commit c04235c6550aff10a547a0dd11a8adc5a5908a6c
Author: likingcode <likingcode@users.noreply.github.com>
Date:   Sat Mar 7 08:37:40 2026 +0000

    feat: Spring Boot 学习脚手架 v2.0
    
    - 新增 IoC 容器学习模块
    - 新增 AOP 切面编程学习模块
    - 新增 MyBatis 集成学习模块
    - 新增事务管理学习模块
    - 新增用户/产品/订单 CRUD
    - 新增 7 个交互式学习页面
    - 集成性能监控切面

diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..3adb944
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,92 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>3.2.3</version>
+    </parent>
+    <groupId>com.example</groupId>
+    <artifactId>springboot-scaffold</artifactId>
+    <version>1.0.0</version>
+    <properties>
+        <java.version>17</java.version>
+    </properties>
+    <dependencies>
+        <!-- Spring Boot Web -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        
+        <!-- Spring Boot AOP -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-aop</artifactId>
+        </dependency>
+        
+        <!-- Spring Boot Validation -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+        </dependency>
+        
+        <!-- MyBatis -->
+        <dependency>
+            <groupId>org.mybatis.spring.boot</groupId>
+            <artifactId>mybatis-spring-boot-starter</artifactId>
+            <version>3.0.3</version>
+        </dependency>
+        
+        <!-- Spring Data JPA (对比学习) -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+        
+        <!-- H2 Database -->
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        
+        <!-- Lombok (简化代码) -->
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+        
+        <!-- Spring Boot Actuator (监控) -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-actuator</artifactId>
+        </dependency>
+        
+        <!-- Test -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <excludes>
+                        <exclude>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                        </exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>
diff --git a/springboot.log b/springboot.log
new file mode 100644
index 0000000..1fe4c98
--- /dev/null
+++ b/springboot.log
@@ -0,0 +1,193 @@
+
+  .   ____          _            __ _ _
+ /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
+( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
+ \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
+  '  |____| .__|_| |_|_| |_\__, | / / / /
+ =========|_|==============|___/=/_/_/_/
+ :: Spring Boot ::                (v3.2.3)
+
+2026-03-07T08:34:17.523Z  INFO 1388476 --- [springboot-scaffold] [           main] c.e.s.SpringbootScaffoldApplication      : Starting SpringbootScaffoldApplication v1.0.0 using Java 21.0.10 with PID 1388476 (/home/llm/Projects/springboot-scaffold/target/springboot-scaffold-1.0.0.jar started by llm in /home/llm/Projects/springboot-scaffold)
+2026-03-07T08:34:17.535Z DEBUG 1388476 --- [springboot-scaffold] [           main] c.e.s.SpringbootScaffoldApplication      : Running with Spring Boot v3.2.3, Spring v6.1.4
+2026-03-07T08:34:17.539Z  INFO 1388476 --- [springboot-scaffold] [           main] c.e.s.SpringbootScaffoldApplication      : No active profile set, falling back to 1 default profile: "default"
+2026-03-07T08:34:23.786Z  INFO 1388476 --- [springboot-scaffold] [           main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode.
+2026-03-07T08:34:23.807Z  INFO 1388476 --- [springboot-scaffold] [           main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 11 ms. Found 0 JPA repository interfaces.
+2026-03-07T08:34:30.399Z  INFO 1388476 --- [springboot-scaffold] [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat initialized with port 8082 (http)
+2026-03-07T08:34:30.466Z  INFO 1388476 --- [springboot-scaffold] [           main] o.apache.catalina.core.StandardService   : Starting service [Tomcat]
+2026-03-07T08:34:30.467Z  INFO 1388476 --- [springboot-scaffold] [           main] o.apache.catalina.core.StandardEngine    : Starting Servlet engine: [Apache Tomcat/10.1.19]
+2026-03-07T08:34:31.033Z  INFO 1388476 --- [springboot-scaffold] [           main] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext
+2026-03-07T08:34:31.043Z  INFO 1388476 --- [springboot-scaffold] [           main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 13168 ms
+2026-03-07T08:34:32.832Z  INFO 1388476 --- [springboot-scaffold] [           main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Starting...
+2026-03-07T08:34:34.286Z  INFO 1388476 --- [springboot-scaffold] [           main] com.zaxxer.hikari.pool.HikariPool        : HikariPool-1 - Added connection conn0: url=jdbc:h2:file:~/h2/springboot_scaffold user=SA
+2026-03-07T08:34:34.295Z  INFO 1388476 --- [springboot-scaffold] [           main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Start completed.
+2026-03-07T08:34:34.393Z  INFO 1388476 --- [springboot-scaffold] [           main] o.s.b.a.h2.H2ConsoleAutoConfiguration    : H2 console available at '/h2-console'. Database available at 'jdbc:h2:file:~/h2/springboot_scaffold'
+2026-03-07T08:34:37.699Z  INFO 1388476 --- [springboot-scaffold] [           main] o.hibernate.jpa.internal.util.LogHelper  : HHH000204: Processing PersistenceUnitInfo [name: default]
+2026-03-07T08:34:38.061Z  INFO 1388476 --- [springboot-scaffold] [           main] org.hibernate.Version                    : HHH000412: Hibernate ORM core version 6.4.4.Final
+2026-03-07T08:34:38.254Z  INFO 1388476 --- [springboot-scaffold] [           main] o.h.c.internal.RegionFactoryInitiator    : HHH000026: Second-level cache disabled
+2026-03-07T08:34:39.633Z  INFO 1388476 --- [springboot-scaffold] [           main] o.s.o.j.p.SpringPersistenceUnitInfo      : No LoadTimeWeaver setup: ignoring JPA class transformer
+2026-03-07T08:34:45.616Z  INFO 1388476 --- [springboot-scaffold] [           main] o.h.e.t.j.p.i.JtaPlatformInitiator       : HHH000489: No JTA platform available (set 'hibernate.transaction.jta.platform' to enable JTA platform integration)
+Hibernate: 
+    create table orders (
+        id bigint generated by default as identity,
+        created_at timestamp(6),
+        product_id bigint not null,
+        quantity integer not null,
+        status varchar(20),
+        total_price numeric(10,2) not null,
+        user_id bigint not null,
+        primary key (id)
+    )
+Hibernate: 
+    create table products (
+        id bigint generated by default as identity,
+        category varchar(50),
+        created_at timestamp(6),
+        description varchar(500),
+        name varchar(100) not null,
+        price numeric(10,2) not null,
+        stock_quantity integer,
+        primary key (id)
+    )
+Hibernate: 
+    create table users (
+        id bigint generated by default as identity,
+        active boolean not null,
+        bio TEXT,
+        created_at timestamp(6),
+        email varchar(100) not null,
+        phone varchar(20),
+        updated_at timestamp(6),
+        username varchar(50) not null,
+        primary key (id)
+    )
+2026-03-07T08:34:45.879Z  INFO 1388476 --- [springboot-scaffold] [           main] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default'
+Logging initialized using 'class org.apache.ibatis.logging.stdout.StdOutImpl' adapter.
+2026-03-07T08:34:47.256Z ERROR 1388476 --- [springboot-scaffold] [           main] o.m.spring.mapper.MapperFactoryBean      : Error while adding the mapper 'interface com.example.scaffold.mapper.UserMapper' to configuration.
+
+org.apache.ibatis.cache.CacheException: Invalid base cache implementation (class org.apache.ibatis.cache.decorators.LruCache).  Base cache implementations must have a constructor that takes a String id as a parameter.  Cause: java.lang.NoSuchMethodException: org.apache.ibatis.cache.decorators.LruCache.<init>(java.lang.String)
+	at org.apache.ibatis.mapping.CacheBuilder.getBaseCacheConstructor(CacheBuilder.java:195) ~[mybatis-3.5.14.jar!/:3.5.14]
+	at org.apache.ibatis.mapping.CacheBuilder.newBaseCacheInstance(CacheBuilder.java:183) ~[mybatis-3.5.14.jar!/:3.5.14]
+	at org.apache.ibatis.mapping.CacheBuilder.build(CacheBuilder.java:94) ~[mybatis-3.5.14.jar!/:3.5.14]
+	at org.apache.ibatis.builder.MapperBuilderAssistant.useNewCache(MapperBuilderAssistant.java:128) ~[mybatis-3.5.14.jar!/:3.5.14]
+	at org.apache.ibatis.builder.annotation.MapperAnnotationBuilder.parseCache(MapperAnnotationBuilder.java:191) ~[mybatis-3.5.14.jar!/:3.5.14]
+	at org.apache.ibatis.builder.annotation.MapperAnnotationBuilder.parse(MapperAnnotationBuilder.java:121) ~[mybatis-3.5.14.jar!/:3.5.14]
+	at org.apache.ibatis.binding.MapperRegistry.addMapper(MapperRegistry.java:72) ~[mybatis-3.5.14.jar!/:3.5.14]
+	at org.apache.ibatis.session.Configuration.addMapper(Configuration.java:895) ~[mybatis-3.5.14.jar!/:3.5.14]
+	at org.mybatis.spring.mapper.MapperFactoryBean.checkDaoConfig(MapperFactoryBean.java:80) ~[mybatis-spring-3.0.3.jar!/:3.0.3]
+	at org.springframework.dao.support.DaoSupport.afterPropertiesSet(DaoSupport.java:44) ~[spring-tx-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1833) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1782) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:600) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:522) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:325) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:323) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:254) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1443) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1353) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:907) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:785) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:237) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1355) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1192) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:562) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:522) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:325) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:323) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:975) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:959) ~[spring-context-6.1.4.jar!/:6.1.4]
+	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:624) ~[spring-context-6.1.4.jar!/:6.1.4]
+	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:146) ~[spring-boot-3.2.3.jar!/:3.2.3]
+	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:754) ~[spring-boot-3.2.3.jar!/:3.2.3]
+	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:456) ~[spring-boot-3.2.3.jar!/:3.2.3]
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:334) ~[spring-boot-3.2.3.jar!/:3.2.3]
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1354) ~[spring-boot-3.2.3.jar!/:3.2.3]
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1343) ~[spring-boot-3.2.3.jar!/:3.2.3]
+	at com.example.scaffold.SpringbootScaffoldApplication.main(SpringbootScaffoldApplication.java:9) ~[!/:1.0.0]
+	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na]
+	at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na]
+	at org.springframework.boot.loader.launch.Launcher.launch(Launcher.java:91) ~[springboot-scaffold-1.0.0.jar:1.0.0]
+	at org.springframework.boot.loader.launch.Launcher.launch(Launcher.java:53) ~[springboot-scaffold-1.0.0.jar:1.0.0]
+	at org.springframework.boot.loader.launch.JarLauncher.main(JarLauncher.java:58) ~[springboot-scaffold-1.0.0.jar:1.0.0]
+Caused by: java.lang.NoSuchMethodException: org.apache.ibatis.cache.decorators.LruCache.<init>(java.lang.String)
+	at java.base/java.lang.Class.getConstructor0(Class.java:3763) ~[na:na]
+	at java.base/java.lang.Class.getConstructor(Class.java:2444) ~[na:na]
+	at org.apache.ibatis.mapping.CacheBuilder.getBaseCacheConstructor(CacheBuilder.java:193) ~[mybatis-3.5.14.jar!/:3.5.14]
+	... 46 common frames omitted
+
+2026-03-07T08:34:47.276Z  WARN 1388476 --- [springboot-scaffold] [           main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'orderService' defined in URL [jar:nested:/home/llm/Projects/springboot-scaffold/target/springboot-scaffold-1.0.0.jar/!BOOT-INF/classes/!/com/example/scaffold/service/impl/OrderService.class]: Unsatisfied dependency expressed through constructor parameter 2: Error creating bean with name 'userMapper' defined in URL [jar:nested:/home/llm/Projects/springboot-scaffold/target/springboot-scaffold-1.0.0.jar/!BOOT-INF/classes/!/com/example/scaffold/mapper/UserMapper.class]: org.apache.ibatis.cache.CacheException: Invalid base cache implementation (class org.apache.ibatis.cache.decorators.LruCache).  Base cache implementations must have a constructor that takes a String id as a parameter.  Cause: java.lang.NoSuchMethodException: org.apache.ibatis.cache.decorators.LruCache.<init>(java.lang.String)
+2026-03-07T08:34:47.280Z  INFO 1388476 --- [springboot-scaffold] [           main] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default'
+2026-03-07T08:34:47.299Z  INFO 1388476 --- [springboot-scaffold] [           main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Shutdown initiated...
+2026-03-07T08:34:47.328Z  INFO 1388476 --- [springboot-scaffold] [           main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Shutdown completed.
+2026-03-07T08:34:47.337Z  INFO 1388476 --- [springboot-scaffold] [           main] o.apache.catalina.core.StandardService   : Stopping service [Tomcat]
+2026-03-07T08:34:47.461Z  INFO 1388476 --- [springboot-scaffold] [           main] .s.b.a.l.ConditionEvaluationReportLogger : 
+
+Error starting ApplicationContext. To display the condition evaluation report re-run your application with 'debug' enabled.
+2026-03-07T08:34:47.549Z ERROR 1388476 --- [springboot-scaffold] [           main] o.s.boot.SpringApplication               : Application run failed
+
+org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'orderService' defined in URL [jar:nested:/home/llm/Projects/springboot-scaffold/target/springboot-scaffold-1.0.0.jar/!BOOT-INF/classes/!/com/example/scaffold/service/impl/OrderService.class]: Unsatisfied dependency expressed through constructor parameter 2: Error creating bean with name 'userMapper' defined in URL [jar:nested:/home/llm/Projects/springboot-scaffold/target/springboot-scaffold-1.0.0.jar/!BOOT-INF/classes/!/com/example/scaffold/mapper/UserMapper.class]: org.apache.ibatis.cache.CacheException: Invalid base cache implementation (class org.apache.ibatis.cache.decorators.LruCache).  Base cache implementations must have a constructor that takes a String id as a parameter.  Cause: java.lang.NoSuchMethodException: org.apache.ibatis.cache.decorators.LruCache.<init>(java.lang.String)
+	at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:798) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:237) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1355) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1192) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:562) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:522) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:325) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:323) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:975) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:959) ~[spring-context-6.1.4.jar!/:6.1.4]
+	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:624) ~[spring-context-6.1.4.jar!/:6.1.4]
+	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:146) ~[spring-boot-3.2.3.jar!/:3.2.3]
+	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:754) ~[spring-boot-3.2.3.jar!/:3.2.3]
+	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:456) ~[spring-boot-3.2.3.jar!/:3.2.3]
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:334) ~[spring-boot-3.2.3.jar!/:3.2.3]
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1354) ~[spring-boot-3.2.3.jar!/:3.2.3]
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1343) ~[spring-boot-3.2.3.jar!/:3.2.3]
+	at com.example.scaffold.SpringbootScaffoldApplication.main(SpringbootScaffoldApplication.java:9) ~[!/:1.0.0]
+	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na]
+	at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na]
+	at org.springframework.boot.loader.launch.Launcher.launch(Launcher.java:91) ~[springboot-scaffold-1.0.0.jar:1.0.0]
+	at org.springframework.boot.loader.launch.Launcher.launch(Launcher.java:53) ~[springboot-scaffold-1.0.0.jar:1.0.0]
+	at org.springframework.boot.loader.launch.JarLauncher.main(JarLauncher.java:58) ~[springboot-scaffold-1.0.0.jar:1.0.0]
+Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userMapper' defined in URL [jar:nested:/home/llm/Projects/springboot-scaffold/target/springboot-scaffold-1.0.0.jar/!BOOT-INF/classes/!/com/example/scaffold/mapper/UserMapper.class]: org.apache.ibatis.cache.CacheException: Invalid base cache implementation (class org.apache.ibatis.cache.decorators.LruCache).  Base cache implementations must have a constructor that takes a String id as a parameter.  Cause: java.lang.NoSuchMethodException: org.apache.ibatis.cache.decorators.LruCache.<init>(java.lang.String)
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1786) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:600) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:522) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:325) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:323) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:254) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1443) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1353) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:907) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:785) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	... 24 common frames omitted
+Caused by: java.lang.IllegalArgumentException: org.apache.ibatis.cache.CacheException: Invalid base cache implementation (class org.apache.ibatis.cache.decorators.LruCache).  Base cache implementations must have a constructor that takes a String id as a parameter.  Cause: java.lang.NoSuchMethodException: org.apache.ibatis.cache.decorators.LruCache.<init>(java.lang.String)
+	at org.mybatis.spring.mapper.MapperFactoryBean.checkDaoConfig(MapperFactoryBean.java:83) ~[mybatis-spring-3.0.3.jar!/:3.0.3]
+	at org.springframework.dao.support.DaoSupport.afterPropertiesSet(DaoSupport.java:44) ~[spring-tx-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1833) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1782) ~[spring-beans-6.1.4.jar!/:6.1.4]
+	... 35 common frames omitted
+Caused by: org.apache.ibatis.cache.CacheException: Invalid base cache implementation (class org.apache.ibatis.cache.decorators.LruCache).  Base cache implementations must have a constructor that takes a String id as a parameter.  Cause: java.lang.NoSuchMethodException: org.apache.ibatis.cache.decorators.LruCache.<init>(java.lang.String)
+	at org.apache.ibatis.mapping.CacheBuilder.getBaseCacheConstructor(CacheBuilder.java:195) ~[mybatis-3.5.14.jar!/:3.5.14]
+	at org.apache.ibatis.mapping.CacheBuilder.newBaseCacheInstance(CacheBuilder.java:183) ~[mybatis-3.5.14.jar!/:3.5.14]
+	at org.apache.ibatis.mapping.CacheBuilder.build(CacheBuilder.java:94) ~[mybatis-3.5.14.jar!/:3.5.14]
+	at org.apache.ibatis.builder.MapperBuilderAssistant.useNewCache(MapperBuilderAssistant.java:128) ~[mybatis-3.5.14.jar!/:3.5.14]
+	at org.apache.ibatis.builder.annotation.MapperAnnotationBuilder.parseCache(MapperAnnotationBuilder.java:191) ~[mybatis-3.5.14.jar!/:3.5.14]
+	at org.apache.ibatis.builder.annotation.MapperAnnotationBuilder.parse(MapperAnnotationBuilder.java:121) ~[mybatis-3.5.14.jar!/:3.5.14]
+	at org.apache.ibatis.binding.MapperRegistry.addMapper(MapperRegistry.java:72) ~[mybatis-3.5.14.jar!/:3.5.14]
+	at org.apache.ibatis.session.Configuration.addMapper(Configuration.java:895) ~[mybatis-3.5.14.jar!/:3.5.14]
+	at org.mybatis.spring.mapper.MapperFactoryBean.checkDaoConfig(MapperFactoryBean.java:80) ~[mybatis-spring-3.0.3.jar!/:3.0.3]
+	... 38 common frames omitted
+Caused by: java.lang.NoSuchMethodException: org.apache.ibatis.cache.decorators.LruCache.<init>(java.lang.String)
+	at java.base/java.lang.Class.getConstructor0(Class.java:3763) ~[na:na]
+	at java.base/java.lang.Class.getConstructor(Class.java:2444) ~[na:na]
+	at org.apache.ibatis.mapping.CacheBuilder.getBaseCacheConstructor(CacheBuilder.java:193) ~[mybatis-3.5.14.jar!/:3.5.14]
+	... 46 common frames omitted
+
diff --git a/src/main/java/com/example/scaffold/SpringbootScaffoldApplication.java b/src/main/java/com/example/scaffold/SpringbootScaffoldApplication.java
new file mode 100644
index 0000000..17a5b94
--- /dev/null
+++ b/src/main/java/com/example/scaffold/SpringbootScaffoldApplication.java
@@ -0,0 +1,11 @@
+package com.example.scaffold;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringbootScaffoldApplication {
+    public static void main(String[] args) {
+        SpringApplication.run(SpringbootScaffoldApplication.class, args);
+    }
+}
diff --git a/src/main/java/com/example/scaffold/aop/LearningAspect.java b/src/main/java/com/example/scaffold/aop/LearningAspect.java
new file mode 100644
index 0000000..af193f3
--- /dev/null
+++ b/src/main/java/com/example/scaffold/aop/LearningAspect.java
@@ -0,0 +1,115 @@
+package com.example.scaffold.aop;
+
+import lombok.extern.slf4j.Slf4j;
+import org.aspectj.lang.JoinPoint;
+import org.aspectj.lang.ProceedingJoinPoint;
+import org.aspectj.lang.annotation.*;
+import org.springframework.stereotype.Component;
+
+import java.util.Arrays;
+
+/**
+ * 学习切面 - 演示 AOP 各种通知类型
+ * 
+ * 学习要点：
+ * 1. @Aspect - 标记为切面类
+ * 2. @Pointcut - 切入点表达式
+ * 3. @Before - 前置通知
+ * 4. @After - 后置通知
+ * 5. @AfterReturning - 返回通知
+ * 6. @AfterThrowing - 异常通知
+ * 7. @Around - 环绕通知
+ */
+@Slf4j
+@Aspect
+@Component
+public class LearningAspect {
+    
+    /**
+     * 切入点 - 所有 Service 层方法
+     */
+    @Pointcut("execution(* com.example.scaffold.service..*.*(..))")
+    public void serviceLayer() {}
+    
+    /**
+     * 切入点 - 所有 Controller 层方法
+     */
+    @Pointcut("execution(* com.example.scaffold.controller..*.*(..))")
+    public void controllerLayer() {}
+    
+    /**
+     * 切入点 - 所有 Mapper 方法
+     */
+    @Pointcut("execution(* com.example.scaffold.mapper..*.*(..))")
+    public void mapperLayer() {}
+    
+    /**
+     * 前置通知 - 方法执行前
+     */
+    @Before("serviceLayer()")
+    public void beforeService(JoinPoint joinPoint) {
+        log.info("🔹 [AOP @Before] 即将执行: {}.{}()",
+                joinPoint.getTarget().getClass().getSimpleName(),
+                joinPoint.getSignature().getName());
+    }
+    
+    /**
+     * 后置通知 - 方法执行后（无论是否异常）
+     */
+    @After("serviceLayer()")
+    public void afterService(JoinPoint joinPoint) {
+        log.info("🔸 [AOP @After] 执行完成: {}.{}()",
+                joinPoint.getTarget().getClass().getSimpleName(),
+                joinPoint.getSignature().getName());
+    }
+    
+    /**
+     * 返回通知 - 方法成功返回后
+     */
+    @AfterReturning(pointcut = "serviceLayer()", returning = "result")
+    public void afterReturningService(JoinPoint joinPoint, Object result) {
+        log.info("✅ [AOP @AfterReturning] 方法返回: {}.{}() => {}",
+                joinPoint.getTarget().getClass().getSimpleName(),
+                joinPoint.getSignature().getName(),
+                result != null ? result.getClass().getSimpleName() : "null");
+    }
+    
+    /**
+     * 异常通知 - 方法抛出异常后
+     */
+    @AfterThrowing(pointcut = "serviceLayer()", throwing = "ex")
+    public void afterThrowingService(JoinPoint joinPoint, Throwable ex) {
+        log.error("❌ [AOP @AfterThrowing] 方法异常: {}.{}() => {}",
+                joinPoint.getTarget().getClass().getSimpleName(),
+                joinPoint.getSignature().getName(),
+                ex.getMessage());
+    }
+    
+    /**
+     * 环绕通知 - 完全控制方法执行
+     */
+    @Around("controllerLayer()")
+    public Object aroundController(ProceedingJoinPoint joinPoint) throws Throwable {
+        long startTime = System.currentTimeMillis();
+        String className = joinPoint.getTarget().getClass().getSimpleName();
+        String methodName = joinPoint.getSignature().getName();
+        Object[] args = joinPoint.getArgs();
+        
+        log.info("🔄 [AOP @Around] 开始: {}.{}() 参数: {}", className, methodName, Arrays.toString(args));
+        
+        try {
+            // 执行目标方法
+            Object result = joinPoint.proceed();
+            
+            long duration = System.currentTimeMillis() - startTime;
+            log.info("🔄 [AOP @Around] 完成: {}.{}() 耗时: {}ms", className, methodName, duration);
+            
+            return result;
+        } catch (Throwable ex) {
+            long duration = System.currentTimeMillis() - startTime;
+            log.error("🔄 [AOP @Around] 异常: {}.{}() 耗时: {}ms 错误: {}", 
+                    className, methodName, duration, ex.getMessage());
+            throw ex;
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/scaffold/aop/PerformanceAspect.java b/src/main/java/com/example/scaffold/aop/PerformanceAspect.java
new file mode 100644
index 0000000..66f8bf6
--- /dev/null
+++ b/src/main/java/com/example/scaffold/aop/PerformanceAspect.java
@@ -0,0 +1,67 @@
+package com.example.scaffold.aop;
+
+import lombok.extern.slf4j.Slf4j;
+import org.aspectj.lang.ProceedingJoinPoint;
+import org.aspectj.lang.annotation.Around;
+import org.aspectj.lang.annotation.Aspect;
+import org.springframework.stereotype.Component;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.atomic.AtomicLong;
+
+/**
+ * 性能监控切面 - 统计方法执行时间
+ */
+@Slf4j
+@Aspect
+@Component
+public class PerformanceAspect {
+    
+    private final Map<String, MethodStats> statsMap = new ConcurrentHashMap<>();
+    
+    public static class MethodStats {
+        public final AtomicLong totalCount = new AtomicLong();
+        public final AtomicLong totalTime = new AtomicLong();
+        public final AtomicLong maxTime = new AtomicLong();
+        public final AtomicLong errorCount = new AtomicLong();
+    }
+    
+    @Around("execution(* com.example.scaffold..*.*(..))")
+    public Object monitorPerformance(ProceedingJoinPoint joinPoint) throws Throwable {
+        String key = joinPoint.getTarget().getClass().getSimpleName() + "." + joinPoint.getSignature().getName();
+        long startTime = System.nanoTime();
+        
+        try {
+            Object result = joinPoint.proceed();
+            recordSuccess(key, System.nanoTime() - startTime);
+            return result;
+        } catch (Throwable ex) {
+            recordError(key, System.nanoTime() - startTime);
+            throw ex;
+        }
+    }
+    
+    private void recordSuccess(String key, long durationNanos) {
+        MethodStats stats = statsMap.computeIfAbsent(key, k -> new MethodStats());
+        stats.totalCount.incrementAndGet();
+        stats.totalTime.addAndGet(durationNanos);
+        long durationMs = durationNanos / 1_000_000;
+        stats.maxTime.updateAndGet(current -> Math.max(current, durationMs));
+    }
+    
+    private void recordError(String key, long durationNanos) {
+        MethodStats stats = statsMap.computeIfAbsent(key, k -> new MethodStats());
+        stats.totalCount.incrementAndGet();
+        stats.errorCount.incrementAndGet();
+        stats.totalTime.addAndGet(durationNanos);
+    }
+    
+    public Map<String, MethodStats> getStats() {
+        return new ConcurrentHashMap<>(statsMap);
+    }
+    
+    public void resetStats() {
+        statsMap.clear();
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/scaffold/config/AppConfig.java b/src/main/java/com/example/scaffold/config/AppConfig.java
new file mode 100644
index 0000000..aa79413
--- /dev/null
+++ b/src/main/java/com/example/scaffold/config/AppConfig.java
@@ -0,0 +1,38 @@
+package com.example.scaffold.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
+import org.springframework.web.cors.CorsConfiguration;
+import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
+import org.springframework.web.filter.CorsFilter;
+
+/**
+ * 应用配置类
+ * 
+ * 学习要点：
+ * 1. @Configuration - 标记为配置类
+ * 2. @Bean - 声明 Bean
+ * 3. @EnableJpaAuditing - 启用 JPA 审计
+ */
+@Configuration
+@EnableJpaAuditing
+public class AppConfig {
+    
+    /**
+     * CORS 配置 - 允许跨域请求
+     */
+    @Bean
+    public CorsFilter corsFilter() {
+        CorsConfiguration config = new CorsConfiguration();
+        config.setAllowCredentials(true);
+        config.addAllowedOriginPattern("*");
+        config.addAllowedHeader("*");
+        config.addAllowedMethod("*");
+        
+        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
+        source.registerCorsConfiguration("/**", config);
+        
+        return new CorsFilter(source);
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/scaffold/controller/HelloController.java b/src/main/java/com/example/scaffold/controller/HelloController.java
new file mode 100644
index 0000000..7246961
--- /dev/null
+++ b/src/main/java/com/example/scaffold/controller/HelloController.java
@@ -0,0 +1,18 @@
+package com.example.scaffold.controller;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class HelloController {
+    
+    @GetMapping("/api/hello")
+    public String hello() {
+        return "Hello from Spring Boot Scaffold!";
+    }
+    
+    @GetMapping("/api/health")
+    public String health() {
+        return "OK";
+    }
+}
diff --git a/src/main/java/com/example/scaffold/controller/ProductOrderController.java b/src/main/java/com/example/scaffold/controller/ProductOrderController.java
new file mode 100644
index 0000000..3eba241
--- /dev/null
+++ b/src/main/java/com/example/scaffold/controller/ProductOrderController.java
@@ -0,0 +1,125 @@
+package com.example.scaffold.controller;
+
+import com.example.scaffold.dto.OrderCreateRequest;
+import com.example.scaffold.dto.ProductCreateRequest;
+import com.example.scaffold.entity.Order;
+import com.example.scaffold.entity.Product;
+import com.example.scaffold.mapper.ProductMapper;
+import com.example.scaffold.service.impl.OrderService;
+import jakarta.validation.Valid;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.math.BigDecimal;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * 产品和订单控制器 - 演示事务
+ */
+@RestController
+@RequestMapping("/api")
+@RequiredArgsConstructor
+public class ProductOrderController {
+    
+    private final ProductMapper productMapper;
+    private final OrderService orderService;
+    
+    // ==================== 产品 API ====================
+    
+    @GetMapping("/products")
+    public List<Product> listProducts() {
+        return productMapper.findAll();
+    }
+    
+    @GetMapping("/products/{id}")
+    public ResponseEntity<Product> getProduct(@PathVariable Long id) {
+        Product product = productMapper.findById(id);
+        return product != null ? ResponseEntity.ok(product) : ResponseEntity.notFound().build();
+    }
+    
+    @GetMapping("/products/category/{category}")
+    public List<Product> getByCategory(@PathVariable String category) {
+        return productMapper.findByCategory(category);
+    }
+    
+    @GetMapping("/products/price")
+    public List<Product> getByPriceRange(@RequestParam BigDecimal min, @RequestParam BigDecimal max) {
+        return productMapper.findByPriceRange(min, max);
+    }
+    
+    @PostMapping("/products")
+    public ResponseEntity<Product> createProduct(@Valid @RequestBody ProductCreateRequest request) {
+        Product product = new Product();
+        product.setName(request.getName());
+        product.setDescription(request.getDescription());
+        product.setPrice(request.getPrice());
+        product.setStockQuantity(request.getStockQuantity());
+        product.setCategory(request.getCategory());
+        
+        productMapper.insert(product);
+        return ResponseEntity.ok(product);
+    }
+    
+    @DeleteMapping("/products/{id}")
+    public ResponseEntity<Void> deleteProduct(@PathVariable Long id) {
+        productMapper.deleteById(id);
+        return ResponseEntity.noContent().build();
+    }
+    
+    // ==================== 订单 API ====================
+    
+    @GetMapping("/orders")
+    public List<Order> listOrders() {
+        return orderService.findAll();
+    }
+    
+    @GetMapping("/orders/{id}")
+    public ResponseEntity<Order> getOrder(@PathVariable Long id) {
+        Order order = orderService.getOrder(id);
+        return order != null ? ResponseEntity.ok(order) : ResponseEntity.notFound().build();
+    }
+    
+    @GetMapping("/orders/user/{userId}")
+    public List<Order> getOrdersByUser(@PathVariable Long userId) {
+        return orderService.findByUserId(userId);
+    }
+    
+    /**
+     * 创建订单 - 演示事务
+     */
+    @PostMapping("/orders")
+    public ResponseEntity<?> createOrder(@Valid @RequestBody OrderCreateRequest request) {
+        try {
+            Order order = orderService.createOrderWithRollback(
+                    request.getUserId(),
+                    request.getProductId(),
+                    request.getQuantity(),
+                    request.isRollback()
+            );
+            return ResponseEntity.ok(Map.of(
+                    "success", true,
+                    "order", order,
+                    "message", request.isRollback() ? "事务已回滚，但订单仍创建（REQUIRES_NEW演示）" : "订单创建成功"
+            ));
+        } catch (RuntimeException e) {
+            return ResponseEntity.badRequest().body(Map.of(
+                    "success", false,
+                    "error", e.getMessage()
+            ));
+        }
+    }
+    
+    @PatchMapping("/orders/{id}/status")
+    public ResponseEntity<Void> updateOrderStatus(@PathVariable Long id, @RequestParam String status) {
+        orderService.updateStatus(id, status);
+        return ResponseEntity.ok().build();
+    }
+    
+    @DeleteMapping("/orders/{id}")
+    public ResponseEntity<Void> deleteOrder(@PathVariable Long id) {
+        orderService.deleteById(id);
+        return ResponseEntity.noContent().build();
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/scaffold/controller/RootController.java b/src/main/java/com/example/scaffold/controller/RootController.java
new file mode 100644
index 0000000..bec2d6f
--- /dev/null
+++ b/src/main/java/com/example/scaffold/controller/RootController.java
@@ -0,0 +1,13 @@
+package com.example.scaffold.controller;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class RootController {
+    
+    @GetMapping("/")
+    public String root() {
+        return "Spring Boot Scaffold is running!";
+    }
+}
diff --git a/src/main/java/com/example/scaffold/controller/UserController.java b/src/main/java/com/example/scaffold/controller/UserController.java
new file mode 100644
index 0000000..7deed58
--- /dev/null
+++ b/src/main/java/com/example/scaffold/controller/UserController.java
@@ -0,0 +1,100 @@
+package com.example.scaffold.controller;
+
+import com.example.scaffold.dto.UserCreateRequest;
+import com.example.scaffold.entity.User;
+import com.example.scaffold.service.UserService;
+import jakarta.validation.Valid;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * 用户控制器 - RESTful API 演示
+ */
+@Slf4j
+@RestController
+@RequestMapping("/api/users")
+@RequiredArgsConstructor
+public class UserController {
+    
+    private final UserService userService;
+    
+    /**
+     * GET - 查询所有用户
+     */
+    @GetMapping
+    public List<User> list() {
+        return userService.findAll();
+    }
+    
+    /**
+     * GET - 根据 ID 查询
+     */
+    @GetMapping("/{id}")
+    public ResponseEntity<User> getById(@PathVariable Long id) {
+        return userService.findById(id)
+                .map(ResponseEntity::ok)
+                .orElse(ResponseEntity.notFound().build());
+    }
+    
+    /**
+     * GET - 搜索用户
+     */
+    @GetMapping("/search")
+    public List<User> search(@RequestParam String username) {
+        return userService.searchByUsername(username);
+    }
+    
+    /**
+     * POST - 创建用户
+     */
+    @PostMapping
+    public ResponseEntity<User> create(@Valid @RequestBody UserCreateRequest request) {
+        User user = new User();
+        user.setUsername(request.getUsername());
+        user.setEmail(request.getEmail());
+        user.setPhone(request.getPhone());
+        user.setBio(request.getBio());
+        user.setActive(true);
+        
+        User saved = userService.save(user);
+        return ResponseEntity.ok(saved);
+    }
+    
+    /**
+     * PUT - 更新用户
+     */
+    @PutMapping("/{id}")
+    public ResponseEntity<User> update(@PathVariable Long id, @Valid @RequestBody UserCreateRequest request) {
+        return userService.findById(id)
+                .map(existing -> {
+                    existing.setUsername(request.getUsername());
+                    existing.setEmail(request.getEmail());
+                    existing.setPhone(request.getPhone());
+                    existing.setBio(request.getBio());
+                    return ResponseEntity.ok(userService.save(existing));
+                })
+                .orElse(ResponseEntity.notFound().build());
+    }
+    
+    /**
+     * DELETE - 删除用户
+     */
+    @DeleteMapping("/{id}")
+    public ResponseEntity<Void> delete(@PathVariable Long id) {
+        userService.deleteById(id);
+        return ResponseEntity.noContent().build();
+    }
+    
+    /**
+     * GET - 统计
+     */
+    @GetMapping("/count")
+    public Map<String, Long> count() {
+        return Map.of("count", userService.count());
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/scaffold/dto/OrderCreateRequest.java b/src/main/java/com/example/scaffold/dto/OrderCreateRequest.java
new file mode 100644
index 0000000..e04c9de
--- /dev/null
+++ b/src/main/java/com/example/scaffold/dto/OrderCreateRequest.java
@@ -0,0 +1,25 @@
+package com.example.scaffold.dto;
+
+import jakarta.validation.constraints.Min;
+import jakarta.validation.constraints.NotNull;
+import lombok.Data;
+
+/**
+ * 订单创建请求 DTO
+ */
+@Data
+public class OrderCreateRequest {
+    
+    @NotNull(message = "用户ID不能为空")
+    private Long userId;
+    
+    @NotNull(message = "产品ID不能为空")
+    private Long productId;
+    
+    @NotNull(message = "数量不能为空")
+    @Min(value = 1, message = "数量至少为1")
+    private Integer quantity;
+    
+    /** 是否触发回滚（用于演示事务） */
+    private boolean rollback = false;
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/scaffold/dto/ProductCreateRequest.java b/src/main/java/com/example/scaffold/dto/ProductCreateRequest.java
new file mode 100644
index 0000000..3f38d59
--- /dev/null
+++ b/src/main/java/com/example/scaffold/dto/ProductCreateRequest.java
@@ -0,0 +1,28 @@
+package com.example.scaffold.dto;
+
+import jakarta.validation.constraints.Min;
+import jakarta.validation.constraints.NotNull;
+import lombok.Data;
+
+import java.math.BigDecimal;
+
+/**
+ * 产品创建请求 DTO
+ */
+@Data
+public class ProductCreateRequest {
+    
+    @NotNull(message = "产品名称不能为空")
+    private String name;
+    
+    private String description;
+    
+    @NotNull(message = "价格不能为空")
+    @Min(value = 0, message = "价格不能为负数")
+    private BigDecimal price;
+    
+    @Min(value = 0, message = "库存不能为负数")
+    private Integer stockQuantity = 0;
+    
+    private String category;
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/scaffold/dto/UserCreateRequest.java b/src/main/java/com/example/scaffold/dto/UserCreateRequest.java
new file mode 100644
index 0000000..8ad9a9f
--- /dev/null
+++ b/src/main/java/com/example/scaffold/dto/UserCreateRequest.java
@@ -0,0 +1,33 @@
+package com.example.scaffold.dto;
+
+import jakarta.validation.constraints.Email;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Size;
+import lombok.Data;
+
+/**
+ * 用户创建请求 DTO
+ * 
+ * 学习要点：
+ * 1. @Data - Lombok 自动生成 getter/setter
+ * 2. @NotBlank - 验证非空
+ * 3. @Size - 验证长度
+ * 4. @Email - 验证邮箱格式
+ */
+@Data
+public class UserCreateRequest {
+    
+    @NotBlank(message = "用户名不能为空")
+    @Size(min = 2, max = 50, message = "用户名长度必须在2-50之间")
+    private String username;
+    
+    @NotBlank(message = "邮箱不能为空")
+    @Email(message = "邮箱格式不正确")
+    private String email;
+    
+    @Size(max = 20, message = "手机号最长20位")
+    private String phone;
+    
+    @Size(max = 500, message = "简介最长500字")
+    private String bio;
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/scaffold/entity/Order.java b/src/main/java/com/example/scaffold/entity/Order.java
new file mode 100644
index 0000000..5127372
--- /dev/null
+++ b/src/main/java/com/example/scaffold/entity/Order.java
@@ -0,0 +1,42 @@
+package com.example.scaffold.entity;
+
+import jakarta.persistence.*;
+import lombok.Data;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+
+/**
+ * 订单实体 - 用于演示事务传播
+ */
+@Data
+@Entity
+@Table(name = "orders")
+@EntityListeners(AuditingEntityListener.class)
+public class Order {
+    
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+    
+    @Column(name = "user_id", nullable = false)
+    private Long userId;
+    
+    @Column(name = "product_id", nullable = false)
+    private Long productId;
+    
+    @Column(nullable = false)
+    private Integer quantity = 1;
+    
+    @Column(name = "total_price", nullable = false, precision = 10, scale = 2)
+    private BigDecimal totalPrice;
+    
+    @Column(length = 20)
+    private String status = "PENDING"; // PENDING, PAID, SHIPPED, COMPLETED, CANCELLED
+    
+    @Column(name = "created_at", updatable = false)
+    @CreatedDate
+    private LocalDateTime createdAt;
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/scaffold/entity/Product.java b/src/main/java/com/example/scaffold/entity/Product.java
new file mode 100644
index 0000000..b568c64
--- /dev/null
+++ b/src/main/java/com/example/scaffold/entity/Product.java
@@ -0,0 +1,42 @@
+package com.example.scaffold.entity;
+
+import jakarta.persistence.*;
+import lombok.Data;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+
+/**
+ * 产品实体 - 用于演示事务和复杂查询
+ */
+@Data
+@Entity
+@Table(name = "products")
+@EntityListeners(AuditingEntityListener.class)
+public class Product {
+    
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+    
+    @Column(nullable = false, length = 100)
+    private String name;
+    
+    @Column(length = 500)
+    private String description;
+    
+    @Column(nullable = false, precision = 10, scale = 2)
+    private BigDecimal price;
+    
+    @Column(name = "stock_quantity")
+    private Integer stockQuantity = 0;
+    
+    @Column(length = 50)
+    private String category;
+    
+    @Column(name = "created_at", updatable = false)
+    @CreatedDate
+    private LocalDateTime createdAt;
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/scaffold/entity/User.java b/src/main/java/com/example/scaffold/entity/User.java
new file mode 100644
index 0000000..5389caa
--- /dev/null
+++ b/src/main/java/com/example/scaffold/entity/User.java
@@ -0,0 +1,101 @@
+package com.example.scaffold.entity;
+
+import jakarta.persistence.*;
+import lombok.Data;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+import java.time.LocalDateTime;
+
+/**
+ * 用户实体 - 用于演示 JPA 和 MyBatis
+ * 
+ * 学习要点：
+ * 1. @Entity - 标记为 JPA 实体
+ * 2. @Table - 指定表名
+ * 3. @Id + @GeneratedValue - 主键策略
+ * 4. @Column - 列映射
+ * 5. @Data - Lombok 自动生成 getter/setter
+ */
+@Data
+@Entity
+@Table(name = "users")
+@EntityListeners(AuditingEntityListener.class)
+public class User {
+    
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+    
+    @Column(nullable = false, length = 50)
+    private String username;
+    
+    @Column(nullable = false, length = 100)
+    private String email;
+    
+    @Column(length = 20)
+    private String phone;
+    
+    @Column(columnDefinition = "TEXT")
+    private String bio;
+    
+    @Column(nullable = false)
+    private Boolean active = true;
+    
+    @CreatedDate
+    @Column(name = "created_at", updatable = false)
+    private LocalDateTime createdAt;
+    
+    @LastModifiedDate
+    @Column(name = "updated_at")
+    private LocalDateTime updatedAt;
+    
+    /**
+     * 生命周期回调 - 持久化前
+     */
+    @PrePersist
+    public void prePersist() {
+        System.out.println("🔔 [User @PrePersist] 即将保存用户: " + username);
+    }
+    
+    /**
+     * 生命周期回调 - 持久化后
+     */
+    @PostPersist
+    public void postPersist() {
+        System.out.println("✅ [User @PostPersist] 用户已保存, ID: " + id);
+    }
+    
+    /**
+     * 生命周期回调 - 更新前
+     */
+    @PreUpdate
+    public void preUpdate() {
+        System.out.println("🔔 [User @PreUpdate] 即将更新用户: " + id);
+    }
+    
+    /**
+     * 生命周期回调 - 更新后
+     */
+    @PostUpdate
+    public void postUpdate() {
+        System.out.println("✅ [User @PostUpdate] 用户已更新: " + id);
+    }
+    
+    /**
+     * 生命周期回调 - 删除前
+     */
+    @PreRemove
+    public void preRemove() {
+        System.out.println("🔔 [User @PreRemove] 即将删除用户: " + id);
+    }
+    
+    /**
+     * 生命周期回调 - 删除后
+     */
+    @PostRemove
+    public void postRemove() {
+        System.out.println("✅ [User @PostRemove] 用户已删除: " + id);
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/scaffold/learning/AopLearningController.java b/src/main/java/com/example/scaffold/learning/AopLearningController.java
new file mode 100644
index 0000000..e5b06ea
--- /dev/null
+++ b/src/main/java/com/example/scaffold/learning/AopLearningController.java
@@ -0,0 +1,110 @@
+package com.example.scaffold.learning;
+
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.*;
+
+/**
+ * AOP 学习控制器
+ * 
+ * 学习要点：
+ * 1. 切面概念
+ * 2. 通知类型
+ * 3. 切入点表达式
+ */
+@Slf4j
+@RestController
+@RequestMapping("/api/learning/aop")
+@RequiredArgsConstructor
+public class AopLearningController {
+    
+    /**
+     * AOP 概念说明
+     */
+    @GetMapping("/concepts")
+    public Map<String, Object> concepts() {
+        return Map.of(
+            "AOP", "面向切面编程 (Aspect Oriented Programming)",
+            "核心概念", Map.of(
+                "Aspect (切面)", "横切关注点的模块化",
+                "JoinPoint (连接点)", "程序执行的某个特定位置",
+                "Pointcut (切入点)", "匹配连接点的表达式",
+                "Advice (通知)", "在切入点执行的代码",
+                "Target (目标对象)", "被通知的对象",
+                "Proxy (代理)", "AOP 创建的代理对象",
+                "Weaving (织入)", "将切面应用到目标对象的过程"
+            ),
+            "通知类型", Map.of(
+                "@Before", "方法执行前",
+                "@After", "方法执行后（无论是否异常）",
+                "@AfterReturning", "方法成功返回后",
+                "@AfterThrowing", "方法抛出异常后",
+                "@Around", "环绕 - 完全控制方法执行"
+            )
+        );
+    }
+    
+    /**
+     * 切入点表达式语法
+     */
+    @GetMapping("/pointcut-syntax")
+    public Map<String, Object> pointcutSyntax() {
+        return Map.of(
+            "语法", "execution(修饰符? 返回类型 包名.类名.方法名(参数) 异常?)",
+            "示例", List.of(
+                "execution(* com.example.service.*.*(..)) - service包下所有方法",
+                "execution(* com.example.service..*.*(..)) - service包及子包所有方法",
+                "execution(public * *(..)) - 所有public方法",
+                "execution(* set*(..)) - 所有set开头的方法",
+                "execution(* com.example.service.UserService.*(..)) - UserService的所有方法",
+                "@annotation(org.springframework.transaction.annotation.Transactional) - 带@Transactional的方法"
+            ),
+            "通配符", Map.of(
+                "*", "匹配任意字符",
+                "..", "匹配任意层级的包或任意参数",
+                "+", "匹配指定类及其子类"
+            )
+        );
+    }
+    
+    /**
+     * 测试 AOP - 这个方法会被切面拦截
+     */
+    @GetMapping("/test")
+    public Map<String, Object> testAop(@RequestParam(defaultValue = "test") String message) {
+        log.info("📝 [AopLearningController] 测试方法被调用: message={}", message);
+        
+        return Map.of(
+            "message", "AOP 测试成功",
+            "input", message,
+            "tip", "查看控制台日志，观察 AOP 通知的执行顺序",
+            "expectedOrder", List.of(
+                "1. @Around 开始",
+                "2. @Before",
+                "3. 方法执行",
+                "4. @AfterReturning",
+                "5. @After",
+                "6. @Around 结束"
+            )
+        );
+    }
+    
+    /**
+     * 演示异常通知
+     */
+    @GetMapping("/test-error")
+    public Map<String, Object> testError(@RequestParam(defaultValue = "false") boolean error) {
+        log.info("📝 [AopLearningController] 测试异常通知: error={}", error);
+        
+        if (error) {
+            throw new RuntimeException("这是一个测试异常，用于触发 @AfterThrowing");
+        }
+        
+        return Map.of(
+            "message", "正常执行",
+            "tip", "传入 error=true 触发异常，观察 @AfterThrowing"
+        );
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/scaffold/learning/IocLearningController.java b/src/main/java/com/example/scaffold/learning/IocLearningController.java
new file mode 100644
index 0000000..345acd5
--- /dev/null
+++ b/src/main/java/com/example/scaffold/learning/IocLearningController.java
@@ -0,0 +1,164 @@
+package com.example.scaffold.learning;
+
+import com.example.scaffold.aop.PerformanceAspect;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.Scope;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.context.WebApplicationContext;
+
+import jakarta.annotation.PostConstruct;
+import jakarta.annotation.PreDestroy;
+import java.util.*;
+
+/**
+ * IoC 容器学习控制器
+ * 
+ * 学习要点：
+ * 1. Bean 的生命周期
+ * 2. 依赖注入方式
+ * 3. Bean 作用域
+ * 4. 条件化配置
+ */
+@RestController
+@RequestMapping("/api/learning/ioc")
+@RequiredArgsConstructor
+public class IocLearningController {
+    
+    private final ApplicationContext applicationContext;
+    private final PerformanceAspect performanceAspect;
+    
+    // 演示字段注入（不推荐，但可以用）
+    @Autowired
+    @Qualifier("learningBean")
+    private LearningBean learningBean;
+    
+    /**
+     * 查看所有 Bean
+     */
+    @GetMapping("/beans")
+    public Map<String, Object> listBeans() {
+        String[] beanNames = applicationContext.getBeanDefinitionNames();
+        
+        Map<String, Object> result = new LinkedHashMap<>();
+        result.put("total", beanNames.length);
+        result.put("userBeans", Arrays.stream(beanNames)
+                .filter(name -> name.startsWith("user") || name.startsWith("learning") || 
+                        name.contains("Service") || name.contains("Controller") || name.contains("Mapper"))
+                .sorted()
+                .toList());
+        result.put("allBeans", Arrays.stream(beanNames).sorted().toList());
+        
+        return result;
+    }
+    
+    /**
+     * 查看 Bean 详情
+     */
+    @GetMapping("/beans/{name}")
+    public Map<String, Object> getBeanDetail(@PathVariable String name) {
+        try {
+            Object bean = applicationContext.getBean(name);
+            Class<?> clazz = bean.getClass();
+            
+            return Map.of(
+                "name", name,
+                "type", clazz.getName(),
+                "simpleName", clazz.getSimpleName(),
+                "interfaces", Arrays.toString(clazz.getInterfaces()),
+                "annotations", Arrays.toString(clazz.getAnnotations()),
+                "scope", applicationContext.isSingleton(name) ? "singleton" : "prototype"
+            );
+        } catch (BeansException e) {
+            return Map.of("error", "Bean not found: " + name);
+        }
+    }
+    
+    /**
+     * 演示依赖注入方式
+     */
+    @GetMapping("/injection-types")
+    public Map<String, String> injectionTypes() {
+        return Map.of(
+            "构造器注入", "推荐！明确依赖，不可变，易于测试",
+            "Setter注入", "可选依赖，灵活性高",
+            "字段注入", "不推荐！隐藏依赖，难以测试",
+            "本控制器使用", "构造器注入 (RequiredArgsConstructor) + 字段注入演示"
+        );
+    }
+    
+    /**
+     * 演示 Bean 作用域
+     */
+    @GetMapping("/scopes")
+    public Map<String, Object> scopes() {
+        return Map.of(
+            "singleton", "单例 - 整个应用只有一个实例（默认）",
+            "prototype", "原型 - 每次请求都创建新实例",
+            "request", "请求 - 每个 HTTP 请求一个实例",
+            "session", "会话 - 每个 HTTP 会话一个实例",
+            "demo", learningBean.getInstanceInfo()
+        );
+    }
+    
+    /**
+     * 性能统计
+     */
+    @GetMapping("/performance")
+    public Map<String, Object> getPerformance() {
+        var stats = performanceAspect.getStats();
+        Map<String, Object> result = new LinkedHashMap<>();
+        
+        stats.forEach((key, value) -> {
+            long totalMs = value.totalTime.get() / 1_000_000;
+            long avgMs = value.totalCount.get() > 0 ? totalMs / value.totalCount.get() : 0;
+            
+            result.put(key, Map.of(
+                "count", value.totalCount.get(),
+                "errors", value.errorCount.get(),
+                "totalMs", totalMs,
+                "avgMs", avgMs,
+                "maxMs", value.maxTime.get()
+            ));
+        });
+        
+        return result;
+    }
+    
+    /**
+     * 重置性能统计
+     */
+    @PostMapping("/performance/reset")
+    public Map<String, String> resetPerformance() {
+        performanceAspect.resetStats();
+        return Map.of("status", "ok", "message", "性能统计已重置");
+    }
+    
+    /**
+     * 学习 Bean - 演示作用域和生命周期
+     */
+    @org.springframework.stereotype.Component("learningBean")
+    @Scope(WebApplicationContext.SCOPE_SESSION)
+    public static class LearningBean {
+        private final String instanceId = UUID.randomUUID().toString().substring(0, 8);
+        private int accessCount = 0;
+        
+        @PostConstruct
+        public void init() {
+            System.out.println("🟢 [LearningBean @PostConstruct] Bean 初始化: " + instanceId);
+        }
+        
+        @PreDestroy
+        public void destroy() {
+            System.out.println("🔴 [LearningBean @PreDestroy] Bean 销毁: " + instanceId);
+        }
+        
+        public String getInstanceInfo() {
+            accessCount++;
+            return String.format("实例ID: %s, 访问次数: %d, 作用域: session", instanceId, accessCount);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/scaffold/learning/MyBatisLearningController.java b/src/main/java/com/example/scaffold/learning/MyBatisLearningController.java
new file mode 100644
index 0000000..ee3e65a
--- /dev/null
+++ b/src/main/java/com/example/scaffold/learning/MyBatisLearningController.java
@@ -0,0 +1,127 @@
+package com.example.scaffold.learning;
+
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.ibatis.session.SqlSessionFactory;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.*;
+
+/**
+ * MyBatis 学习控制器
+ * 
+ * 学习要点：
+ * 1. MyBatis vs JPA 对比
+ * 2. 动态 SQL
+ * 3. 缓存机制
+ * 4. 结果映射
+ */
+@Slf4j
+@RestController
+@RequestMapping("/api/learning/mybatis")
+@RequiredArgsConstructor
+public class MyBatisLearningController {
+    
+    private final SqlSessionFactory sqlSessionFactory;
+    
+    /**
+     * MyBatis 核心概念
+     */
+    @GetMapping("/concepts")
+    public Map<String, Object> concepts() {
+        return Map.of(
+            "MyBatis", "半自动 ORM 框架，SQL 与 Java 对象映射",
+            "核心组件", Map.of(
+                "SqlSessionFactory", "创建 SqlSession 的工厂",
+                "SqlSession", "执行 SQL 的会话",
+                "Mapper", "接口绑定的 SQL 语句",
+                "Configuration", "MyBatis 配置信息"
+            ),
+            "缓存", Map.of(
+                "一级缓存", "SqlSession 级别，默认开启",
+                "二级缓存", "Mapper 级别，需配置 @CacheNamespace"
+            )
+        );
+    }
+    
+    /**
+     * MyBatis vs JPA 对比
+     */
+    @GetMapping("/vs-jpa")
+    public Map<String, Object> vsJpa() {
+        return Map.of(
+            "MyBatis", Map.of(
+                "优点", List.of("SQL 灵活可控", "性能优化方便", "复杂查询友好"),
+                "缺点", List.of("SQL 与代码耦合", "数据库迁移成本高", "需要手写 SQL"),
+                "适用场景", "复杂查询、性能要求高、DBA 参与项目"
+            ),
+            "JPA/Hibernate", Map.of(
+                "优点", List.of("面向对象", "数据库无关", "开发效率高"),
+                "缺点", List.of("复杂查询困难", "性能调优复杂", "学习曲线陡"),
+                "适用场景", "标准 CRUD、快速开发、领域驱动设计"
+            ),
+            "建议", "小型项目用 JPA，大型/复杂查询项目用 MyBatis"
+        );
+    }
+    
+    /**
+     * 动态 SQL 语法
+     */
+    @GetMapping("/dynamic-sql")
+    public Map<String, Object> dynamicSql() {
+        return Map.of(
+            "if", "条件判断 <if test='name != null'> AND name = #{name} </if>",
+            "choose/when/otherwise", "类似 switch-case",
+            "trim/where/set", "处理 SQL 拼接",
+            "foreach", "循环遍历 <foreach item='item' collection='list' separator=','>#{item}</foreach>",
+            "bind", "定义变量 <bind name='pattern' value=\"'%' + name + '%'\" />",
+            "示例", """
+                <select id='findUser'>
+                    SELECT * FROM users
+                    <where>
+                        <if test='name != null'>AND name LIKE #{name}</if>
+                        <if test='email != null'>AND email = #{email}</if>
+                    </where>
+                </select>
+                """
+        );
+    }
+    
+    /**
+     * 缓存演示
+     */
+    @GetMapping("/cache")
+    public Map<String, Object> cacheDemo() {
+        return Map.of(
+            "一级缓存", Map.of(
+                "范围", "SqlSession 级别",
+                "默认", "开启",
+                "失效条件", List.of("执行 insert/update/delete", "调用 sqlSession.clearCache()", "事务提交/回滚"),
+                "演示", "同一 SqlSession 内连续两次相同查询，第二次不执行 SQL"
+            ),
+            "二级缓存", Map.of(
+                "范围", "Mapper 级别",
+                "配置", "@CacheNamespace 或 XML 配置",
+                "注意", "实体类需要实现 Serializable",
+                "本项目", "UserMapper 已启用二级缓存"
+            ),
+            "验证方式", "查看控制台 SQL 日志，缓存命中时不打印 SQL"
+        );
+    }
+    
+    /**
+     * 查看当前配置
+     */
+    @GetMapping("/config")
+    public Map<String, Object> getConfig() {
+        var config = sqlSessionFactory.getConfiguration();
+        
+        return Map.of(
+            "cacheEnabled", config.isCacheEnabled(),
+            "localCacheScope", config.getLocalCacheScope().name(),
+            "defaultExecutorType", config.getDefaultExecutorType().name(),
+            "mapUnderscoreToCamelCase", config.isMapUnderscoreToCamelCase(),
+            "mappedStatements", config.getMappedStatements().size()
+        );
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/scaffold/learning/TransactionLearningController.java b/src/main/java/com/example/scaffold/learning/TransactionLearningController.java
new file mode 100644
index 0000000..be608f7
--- /dev/null
+++ b/src/main/java/com/example/scaffold/learning/TransactionLearningController.java
@@ -0,0 +1,135 @@
+package com.example.scaffold.learning;
+
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.*;
+
+/**
+ * 事务学习控制器
+ * 
+ * 学习要点：
+ * 1. 事务传播行为
+ * 2. 事务隔离级别
+ * 3. 事务回滚
+ */
+@Slf4j
+@RestController
+@RequestMapping("/api/learning/transaction")
+@RequiredArgsConstructor
+public class TransactionLearningController {
+    
+    /**
+     * 事务概念
+     */
+    @GetMapping("/concepts")
+    public Map<String, Object> concepts() {
+        return Map.of(
+            "ACID", Map.of(
+                "Atomicity (原子性)", "事务是不可分割的工作单位",
+                "Consistency (一致性)", "事务必须使数据库从一个一致性状态变换到另一个一致性状态",
+                "Isolation (隔离性)", "多个用户并发访问数据库时，数据库为每个用户开启的事务不能被其他事务干扰",
+                "Durability (持久性)", "事务一旦提交，对数据库的改变是永久性的"
+            ),
+            "Spring事务", "@Transactional 注解实现声明式事务管理"
+        );
+    }
+    
+    /**
+     * 传播行为详解
+     */
+    @GetMapping("/propagation")
+    public Map<String, Object> propagation() {
+        return Map.of(
+            "REQUIRED (默认)", Map.of(
+                "描述", "有事务则加入，无则新建",
+                "场景", "最常用，大多数业务方法",
+                "示例", "A 调用 B，B 加入 A 的事务"
+            ),
+            "REQUIRES_NEW", Map.of(
+                "描述", "总是新建事务，挂起当前事务",
+                "场景", "日志记录、独立子任务",
+                "示例", "A 调用 B，B 在新事务执行，A 回滚不影响 B"
+            ),
+            "SUPPORTS", Map.of(
+                "描述", "有事务则加入，无则以非事务运行",
+                "场景", "查询方法"
+            ),
+            "NOT_SUPPORTED", Map.of(
+                "描述", "以非事务运行，挂起当前事务",
+                "场景", "不需要事务的操作"
+            ),
+            "MANDATORY", Map.of(
+                "描述", "必须在事务中运行，否则抛异常",
+                "场景", "强制要求事务"
+            ),
+            "NEVER", Map.of(
+                "描述", "不能在事务中运行，否则抛异常",
+                "场景", "确保无事务"
+            ),
+            "NESTED", Map.of(
+                "描述", "嵌套事务，可独立回滚",
+                "场景", "部分失败不影响整体"
+            )
+        );
+    }
+    
+    /**
+     * 隔离级别详解
+     */
+    @GetMapping("/isolation")
+    public Map<String, Object> isolation() {
+        return Map.of(
+            "DEFAULT", "使用数据库默认隔离级别",
+            "READ_UNCOMMITTED", Map.of(
+                "描述", "读未提交",
+                "问题", "脏读、不可重复读、幻读",
+                "性能", "最高"
+            ),
+            "READ_COMMITTED", Map.of(
+                "描述", "读已提交",
+                "问题", "不可重复读、幻读",
+                "性能", "较高",
+                "场景", "大多数数据库默认"
+            ),
+            "REPEATABLE_READ", Map.of(
+                "描述", "可重复读",
+                "问题", "幻读",
+                "性能", "中等",
+                "场景", "MySQL 默认"
+            ),
+            "SERIALIZABLE", Map.of(
+                "描述", "串行化",
+                "问题", "无",
+                "性能", "最低",
+                "场景", "数据一致性要求极高"
+            ),
+            "问题说明", Map.of(
+                "脏读", "读到其他事务未提交的数据",
+                "不可重复读", "同一事务两次读取结果不同（修改导致）",
+                "幻读", "同一事务两次读取结果不同（新增/删除导致）"
+            )
+        );
+    }
+    
+    /**
+     * 回滚规则
+     */
+    @GetMapping("/rollback")
+    public Map<String, Object> rollback() {
+        return Map.of(
+            "默认行为", "只对 RuntimeException 和 Error 回滚",
+            "rollbackFor", "指定需要回滚的异常类型",
+            "noRollbackFor", "指定不需要回滚的异常类型",
+            "示例", """
+                @Transactional(rollbackFor = Exception.class)
+                @Transactional(noRollbackFor = BusinessException.class)
+                """,
+            "测试API", Map.of(
+                "创建订单", "POST /api/orders",
+                "创建订单(回滚)", "POST /api/orders?rollback=true"
+            )
+        );
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/scaffold/mapper/OrderMapper.java b/src/main/java/com/example/scaffold/mapper/OrderMapper.java
new file mode 100644
index 0000000..4206f36
--- /dev/null
+++ b/src/main/java/com/example/scaffold/mapper/OrderMapper.java
@@ -0,0 +1,33 @@
+package com.example.scaffold.mapper;
+
+import com.example.scaffold.entity.Order;
+import org.apache.ibatis.annotations.*;
+
+import java.util.List;
+
+/**
+ * Order MyBatis Mapper
+ */
+@Mapper
+public interface OrderMapper {
+    
+    @Select("SELECT * FROM orders ORDER BY created_at DESC")
+    List<Order> findAll();
+    
+    @Select("SELECT * FROM orders WHERE id = #{id}")
+    Order findById(@Param("id") Long id);
+    
+    @Select("SELECT * FROM orders WHERE user_id = #{userId}")
+    List<Order> findByUserId(@Param("userId") Long userId);
+    
+    @Insert("INSERT INTO orders(user_id, product_id, quantity, total_price, status, created_at) " +
+            "VALUES(#{userId}, #{productId}, #{quantity}, #{totalPrice}, #{status}, NOW())")
+    @Options(useGeneratedKeys = true, keyProperty = "id")
+    int insert(Order order);
+    
+    @Update("UPDATE orders SET status = #{status} WHERE id = #{id}")
+    int updateStatus(@Param("id") Long id, @Param("status") String status);
+    
+    @Delete("DELETE FROM orders WHERE id = #{id}")
+    int deleteById(@Param("id") Long id);
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/scaffold/mapper/ProductMapper.java b/src/main/java/com/example/scaffold/mapper/ProductMapper.java
new file mode 100644
index 0000000..768d08a
--- /dev/null
+++ b/src/main/java/com/example/scaffold/mapper/ProductMapper.java
@@ -0,0 +1,40 @@
+package com.example.scaffold.mapper;
+
+import com.example.scaffold.entity.Product;
+import org.apache.ibatis.annotations.*;
+
+import java.math.BigDecimal;
+import java.util.List;
+
+/**
+ * Product MyBatis Mapper - 演示复杂查询
+ */
+@Mapper
+public interface ProductMapper {
+    
+    @Select("SELECT * FROM products ORDER BY created_at DESC")
+    List<Product> findAll();
+    
+    @Select("SELECT * FROM products WHERE id = #{id}")
+    Product findById(@Param("id") Long id);
+    
+    @Select("SELECT * FROM products WHERE category = #{category}")
+    List<Product> findByCategory(@Param("category") String category);
+    
+    @Select("SELECT * FROM products WHERE price BETWEEN #{min} AND #{max} ORDER BY price")
+    List<Product> findByPriceRange(@Param("min") BigDecimal min, @Param("max") BigDecimal max);
+    
+    @Insert("INSERT INTO products(name, description, price, stock_quantity, category, created_at) " +
+            "VALUES(#{name}, #{description}, #{price}, #{stockQuantity}, #{category}, NOW())")
+    @Options(useGeneratedKeys = true, keyProperty = "id")
+    int insert(Product product);
+    
+    @Update("UPDATE products SET stock_quantity = stock_quantity - #{quantity} WHERE id = #{id} AND stock_quantity >= #{quantity}")
+    int decreaseStock(@Param("id") Long id, @Param("quantity") Integer quantity);
+    
+    @Update("UPDATE products SET stock_quantity = stock_quantity + #{quantity} WHERE id = #{id}")
+    int increaseStock(@Param("id") Long id, @Param("quantity") Integer quantity);
+    
+    @Delete("DELETE FROM products WHERE id = #{id}")
+    int deleteById(@Param("id") Long id);
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/scaffold/mapper/UserMapper.java b/src/main/java/com/example/scaffold/mapper/UserMapper.java
new file mode 100644
index 0000000..49d3cfa
--- /dev/null
+++ b/src/main/java/com/example/scaffold/mapper/UserMapper.java
@@ -0,0 +1,78 @@
+package com.example.scaffold.mapper;
+
+import com.example.scaffold.entity.User;
+import org.apache.ibatis.annotations.*;
+import org.apache.ibatis.cache.decorators.LruCache;
+
+import java.util.List;
+
+/**
+ * User MyBatis Mapper - 演示 MyBatis 注解方式
+ * 
+ * 学习要点：
+ * 1. @Mapper - 标记为 MyBatis Mapper 接口
+ * 2. @Select/@Insert/@Update/@Delete - SQL 注解
+ * 3. @Options - 额外选项（如返回自增ID）
+ * 4. @ResultMap - 结果映射
+ * 5. @CacheNamespace - 二级缓存
+ */
+@Mapper
+@CacheNamespace(implementation = LruCache.class, size = 1024)
+public interface UserMapper {
+    
+    /**
+     * 查询所有用户
+     */
+    @Select("SELECT * FROM users ORDER BY created_at DESC")
+    List<User> findAll();
+    
+    /**
+     * 根据ID查询 - 使用一级缓存
+     */
+    @Select("SELECT * FROM users WHERE id = #{id}")
+    User findById(@Param("id") Long id);
+    
+    /**
+     * 根据用户名模糊查询 - 动态SQL演示
+     */
+    @Select("SELECT * FROM users WHERE username LIKE CONCAT('%', #{username}, '%')")
+    List<User> findByUsernameLike(@Param("username") String username);
+    
+    /**
+     * 插入用户 - 返回自增ID
+     */
+    @Insert("INSERT INTO users(username, email, phone, bio, active, created_at, updated_at) " +
+            "VALUES(#{username}, #{email}, #{phone}, #{bio}, #{active}, NOW(), NOW())")
+    @Options(useGeneratedKeys = true, keyProperty = "id")
+    int insert(User user);
+    
+    /**
+     * 更新用户
+     */
+    @Update("UPDATE users SET username=#{username}, email=#{email}, phone=#{phone}, " +
+            "bio=#{bio}, active=#{active}, updated_at=NOW() WHERE id=#{id}")
+    int update(User user);
+    
+    /**
+     * 删除用户
+     */
+    @Delete("DELETE FROM users WHERE id = #{id}")
+    int deleteById(@Param("id") Long id);
+    
+    /**
+     * 统计用户数量
+     */
+    @Select("SELECT COUNT(*) FROM users")
+    long count();
+    
+    /**
+     * 批量插入 - 演示脚本SQL
+     */
+    @Insert("<script>" +
+            "INSERT INTO users(username, email, phone, active, created_at, updated_at) VALUES " +
+            "<foreach collection='users' item='u' separator=','>" +
+            "(#{u.username}, #{u.email}, #{u.phone}, #{u.active}, NOW(), NOW())" +
+            "</foreach>" +
+            "</script>")
+    int batchInsert(@Param("users") List<User> users);
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/scaffold/service/UserService.java b/src/main/java/com/example/scaffold/service/UserService.java
new file mode 100644
index 0000000..7401f18
--- /dev/null
+++ b/src/main/java/com/example/scaffold/service/UserService.java
@@ -0,0 +1,24 @@
+package com.example.scaffold.service;
+
+import com.example.scaffold.entity.User;
+
+import java.util.List;
+import java.util.Optional;
+
+/**
+ * 用户服务接口 - 演示接口与实现分离
+ */
+public interface UserService {
+    
+    List<User> findAll();
+    
+    Optional<User> findById(Long id);
+    
+    User save(User user);
+    
+    void deleteById(Long id);
+    
+    List<User> searchByUsername(String username);
+    
+    long count();
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/scaffold/service/impl/OrderService.java b/src/main/java/com/example/scaffold/service/impl/OrderService.java
new file mode 100644
index 0000000..de05fa3
--- /dev/null
+++ b/src/main/java/com/example/scaffold/service/impl/OrderService.java
@@ -0,0 +1,126 @@
+package com.example.scaffold.service.impl;
+
+import com.example.scaffold.entity.Order;
+import com.example.scaffold.entity.Product;
+import com.example.scaffold.mapper.OrderMapper;
+import com.example.scaffold.mapper.ProductMapper;
+import com.example.scaffold.mapper.UserMapper;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Isolation;
+import org.springframework.transaction.annotation.Propagation;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.math.BigDecimal;
+import java.util.List;
+
+/**
+ * 订单服务 - 演示事务传播和隔离级别
+ * 
+ * 学习要点：
+ * 1. 事务传播行为 - Propagation
+ * 2. 事务隔离级别 - Isolation
+ * 3. 事务回滚 - rollbackFor
+ */
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class OrderService {
+    
+    private final OrderMapper orderMapper;
+    private final ProductMapper productMapper;
+    private final UserMapper userMapper;
+    
+    /**
+     * 创建订单 - 演示事务
+     * REQUIRED: 有事务则加入，无则新建
+     */
+    @Transactional(propagation = Propagation.REQUIRED, rollbackFor = Exception.class)
+    public Order createOrder(Long userId, Long productId, Integer quantity) {
+        log.info("📦 [OrderService] 创建订单: userId={}, productId={}, quantity={}", userId, productId, quantity);
+        
+        // 检查用户
+        if (userMapper.findById(userId) == null) {
+            throw new RuntimeException("用户不存在: " + userId);
+        }
+        
+        // 检查产品
+        Product product = productMapper.findById(productId);
+        if (product == null) {
+            throw new RuntimeException("产品不存在: " + productId);
+        }
+        
+        // 扣减库存
+        int rows = productMapper.decreaseStock(productId, quantity);
+        if (rows == 0) {
+            throw new RuntimeException("库存不足");
+        }
+        
+        // 创建订单
+        Order order = new Order();
+        order.setUserId(userId);
+        order.setProductId(productId);
+        order.setQuantity(quantity);
+        order.setTotalPrice(product.getPrice().multiply(BigDecimal.valueOf(quantity)));
+        order.setStatus("PENDING");
+        
+        orderMapper.insert(order);
+        log.info("✅ [OrderService] 订单创建成功: orderId={}", order.getId());
+        
+        return order;
+    }
+    
+    /**
+     * 模拟事务回滚
+     */
+    @Transactional(propagation = Propagation.REQUIRED, rollbackFor = Exception.class)
+    public Order createOrderWithRollback(Long userId, Long productId, Integer quantity, boolean shouldRollback) {
+        log.info("📦 [OrderService] 创建订单(可能回滚): userId={}, shouldRollback={}", userId, shouldRollback);
+        
+        Order order = createOrder(userId, productId, quantity);
+        
+        if (shouldRollback) {
+            log.warn("⚠️ [OrderService] 触发回滚!");
+            throw new RuntimeException("模拟事务回滚");
+        }
+        
+        return order;
+    }
+    
+    /**
+     * REQUIRES_NEW - 挂起当前事务，创建新事务
+     */
+    @Transactional(propagation = Propagation.REQUIRES_NEW)
+    public void logOrderOperation(Long orderId, String operation) {
+        log.info("📝 [OrderService] 记录订单操作: orderId={}, operation={}", orderId, operation);
+        // 这个方法会在独立事务中执行
+        // 即使外部事务回滚，这里的记录也会保留
+    }
+    
+    /**
+     * 使用隔离级别 READ_COMMITTED
+     */
+    @Transactional(isolation = Isolation.READ_COMMITTED)
+    public Order getOrder(Long id) {
+        return orderMapper.findById(id);
+    }
+    
+    public List<Order> findAll() {
+        return orderMapper.findAll();
+    }
+    
+    public List<Order> findByUserId(Long userId) {
+        return orderMapper.findByUserId(userId);
+    }
+    
+    @Transactional
+    public void updateStatus(Long id, String status) {
+        orderMapper.updateStatus(id, status);
+    }
+    
+    @Transactional
+    public void deleteById(Long id) {
+        orderMapper.deleteById(id);
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/scaffold/service/impl/UserServiceImpl.java b/src/main/java/com/example/scaffold/service/impl/UserServiceImpl.java
new file mode 100644
index 0000000..2e7f44a
--- /dev/null
+++ b/src/main/java/com/example/scaffold/service/impl/UserServiceImpl.java
@@ -0,0 +1,77 @@
+package com.example.scaffold.service.impl;
+
+import com.example.scaffold.entity.User;
+import com.example.scaffold.mapper.UserMapper;
+import com.example.scaffold.service.UserService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
+import java.util.Optional;
+
+/**
+ * 用户服务实现 - 演示 Spring 服务层
+ * 
+ * 学习要点：
+ * 1. @Service - 标记为服务组件
+ * 2. @Transactional - 声明式事务
+ * 3. @RequiredArgsConstructor - Lombok 构造器注入
+ * 4. @Slf4j - Lombok 日志
+ */
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class UserServiceImpl implements UserService {
+    
+    private final UserMapper userMapper;
+    
+    @Override
+    public List<User> findAll() {
+        log.info("📊 [UserService] 查询所有用户");
+        return userMapper.findAll();
+    }
+    
+    @Override
+    public Optional<User> findById(Long id) {
+        log.info("🔍 [UserService] 查询用户: id={}", id);
+        // 演示 MyBatis 一级缓存 - 连续两次查询
+        User user = userMapper.findById(id);
+        User cached = userMapper.findById(id); // 第二次会命中缓存
+        if (cached != null) {
+            log.info("✅ [UserService] 一级缓存命中: id={}", id);
+        }
+        return Optional.ofNullable(user);
+    }
+    
+    @Override
+    @Transactional
+    public User save(User user) {
+        log.info("💾 [UserService] 保存用户: {}", user.getUsername());
+        if (user.getId() == null) {
+            userMapper.insert(user);
+        } else {
+            userMapper.update(user);
+        }
+        return user;
+    }
+    
+    @Override
+    @Transactional
+    public void deleteById(Long id) {
+        log.info("🗑️ [UserService] 删除用户: id={}", id);
+        userMapper.deleteById(id);
+    }
+    
+    @Override
+    public List<User> searchByUsername(String username) {
+        log.info("🔎 [UserService] 搜索用户: username={}", username);
+        return userMapper.findByUsernameLike(username);
+    }
+    
+    @Override
+    public long count() {
+        return userMapper.count();
+    }
+}
\ No newline at end of file
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
new file mode 100644
index 0000000..21224e8
--- /dev/null
+++ b/src/main/resources/application.properties
@@ -0,0 +1,22 @@
+spring.application.name=springboot-scaffold
+server.port=8082
+
+# H2 Database
+spring.h2.console.enabled=true
+spring.datasource.url=jdbc:h2:file:~/h2/springboot_scaffold
+spring.datasource.driverClassName=org.h2.Driver
+spring.datasource.username=sa
+spring.datasource.password=
+
+# JPA
+spring.jpa.hibernate.ddl-auto=update
+spring.jpa.show-sql=true
+spring.jpa.properties.hibernate.format_sql=true
+
+# MyBatis
+mybatis.configuration.map-underscore-to-camel-case=true
+mybatis.configuration.log-impl=org.apache.ibatis.logging.stdout.StdOutImpl
+
+# Logging
+logging.level.com.example.scaffold=DEBUG
+logging.level.org.springframework.transaction.interceptor=TRACE
\ No newline at end of file
diff --git a/src/main/resources/static/aop.html b/src/main/resources/static/aop.html
new file mode 100644
index 0000000..2773d00
--- /dev/null
+++ b/src/main/resources/static/aop.html
@@ -0,0 +1,159 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>AOP 切面学习 - Spring Boot</title>
+    <style>
+        * { margin: 0; padding: 0; box-sizing: border-box; }
+        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f5f5f5; }
+        .container { max-width: 1400px; margin: 0 auto; padding: 20px; }
+        
+        .header { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); color: white; padding: 30px 20px; text-align: center; margin-bottom: 20px; border-radius: 10px; }
+        .header h1 { font-size: 2em; }
+        
+        .nav { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; justify-content: center; }
+        .nav a { padding: 10px 20px; background: white; border-radius: 20px; text-decoration: none; color: #333; font-size: 0.9em; }
+        .nav a:hover, .nav a.active { background: #f5576c; color: white; }
+        
+        .card { background: white; border-radius: 10px; padding: 20px; margin-bottom: 20px; box-shadow: 0 2px 10px rgba(0,0,0,0.08); }
+        .card h3 { color: #f5576c; margin-bottom: 15px; border-bottom: 2px solid #eee; padding-bottom: 10px; }
+        
+        .advice-box { background: #f8f9fa; border-radius: 8px; padding: 15px; margin: 10px 0; border-left: 4px solid; }
+        .advice-before { border-color: #28a745; }
+        .advice-after { border-color: #6c757d; }
+        .advice-returning { border-color: #17a2b8; }
+        .advice-throwing { border-color: #dc3545; }
+        .advice-around { border-color: #ffc107; }
+        
+        .btn { padding: 10px 20px; background: #f5576c; color: white; border: none; border-radius: 5px; cursor: pointer; margin: 5px; }
+        .btn:hover { background: #e0465b; }
+        
+        .result { background: #1e1e1e; color: #d4d4d4; padding: 15px; border-radius: 5px; margin-top: 10px; font-family: monospace; font-size: 0.9em; overflow-x: auto; max-height: 400px; overflow-y: auto; }
+        
+        .code-block { background: #f4f4f4; padding: 15px; border-radius: 5px; font-family: monospace; font-size: 0.9em; overflow-x: auto; margin: 10px 0; }
+        
+        .flow-diagram { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 10px; padding: 20px; background: #f8f9fa; border-radius: 10px; margin: 15px 0; }
+        .flow-step { padding: 10px 20px; background: white; border-radius: 20px; border: 2px solid #ddd; }
+        .flow-arrow { font-size: 1.5em; color: #999; }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="header">
+            <h1>🔪 AOP 切面编程</h1>
+            <p>Aspect Oriented Programming - 面向切面编程</p>
+        </div>
+        
+        <div class="nav">
+            <a href="index.html">🏠 首页</a>
+            <a href="ioc.html">📦 IoC</a>
+            <a href="aop.html" class="active">🔪 AOP</a>
+            <a href="mybatis.html">💾 MyBatis</a>
+            <a href="transaction.html">🔄 事务</a>
+            <a href="users.html">👥 用户</a>
+            <a href="api.html">🔌 API</a>
+        </div>
+        
+        <div class="card">
+            <h3>📚 核心概念</h3>
+            <p><strong>AOP (面向切面编程)</strong>：将横切关注点（日志、权限、事务等）从业务逻辑中分离出来，实现模块化。</p>
+            <div class="flow-diagram">
+                <div class="flow-step">目标方法</div>
+                <div class="flow-arrow">→</div>
+                <div class="flow-step">@Before</div>
+                <div class="flow-arrow">→</div>
+                <div class="flow-step">@Around (前)</div>
+                <div class="flow-arrow">→</div>
+                <div class="flow-step">方法执行</div>
+                <div class="flow-arrow">→</div>
+                <div class="flow-step">@Around (后)</div>
+                <div class="flow-arrow">→</div>
+                <div class="flow-step">@AfterReturning</div>
+                <div class="flow-arrow">→</div>
+                <div class="flow-step">@After</div>
+            </div>
+        </div>
+        
+        <div class="card">
+            <h3>🔔 五种通知类型</h3>
+            
+            <div class="advice-box advice-before">
+                <h4>@Before - 前置通知</h4>
+                <p>方法执行前触发，可用于参数校验、日志记录</p>
+                <div class="code-block">@Before("execution(* com.example.service..*.*(..))")<br>public void before(JoinPoint jp) {<br>  log.info("即将执行: " + jp.getSignature().getName());<br>}</div>
+            </div>
+            
+            <div class="advice-box advice-after">
+                <h4>@After - 后置通知</h4>
+                <p>方法执行后触发（无论是否异常），可用于资源释放</p>
+                <div class="code-block">@After("execution(* com.example.service..*.*(..))")<br>public void after(JoinPoint jp) {<br>  log.info("执行完成: " + jp.getSignature().getName());<br>}</div>
+            </div>
+            
+            <div class="advice-box advice-returning">
+                <h4>@AfterReturning - 返回通知</h4>
+                <p>方法成功返回后触发，可获取返回值</p>
+                <div class="code-block">@AfterReturning(pointcut="...", returning="result")<br>public void afterReturning(Object result) {<br>  log.info("返回结果: " + result);<br>}</div>
+            </div>
+            
+            <div class="advice-box advice-throwing">
+                <h4>@AfterThrowing - 异常通知</h4>
+                <p>方法抛出异常后触发，可用于异常处理</p>
+                <div class="code-block">@AfterThrowing(pointcut="...", throwing="ex")<br>public void afterThrowing(Exception ex) {<br>  log.error("发生异常: " + ex.getMessage());<br>}</div>
+            </div>
+            
+            <div class="advice-box advice-around">
+                <h4>@Around - 环绕通知</h4>
+                <p>完全控制方法执行，可决定是否执行目标方法</p>
+                <div class="code-block">@Around("execution(* com.example.controller..*.*(..))")<br>public Object around(ProceedingJoinPoint pjp) throws Throwable {<br>  long start = System.currentTimeMillis();<br>  Object result = pjp.proceed(); // 执行目标方法<br>  long cost = System.currentTimeMillis() - start;<br>  log.info("耗时: " + cost + "ms");<br>  return result;<br>}</div>
+            </div>
+        </div>
+        
+        <div class="card">
+            <h3>🧪 在线测试</h3>
+            <p>调用下面的 API，然后查看控制台日志观察 AOP 执行顺序</p>
+            <button class="btn" onclick="testAop()">测试正常执行</button>
+            <button class="btn" onclick="testAopError()">测试异常通知</button>
+            <div id="testResult" class="result"></div>
+        </div>
+        
+        <div class="card">
+            <h3>📝 切入点表达式</h3>
+            <table style="width:100%;border-collapse:collapse;">
+                <tr style="background:#f8f9fa;"><th style="padding:10px;text-align:left;">表达式</th><th style="padding:10px;text-align:left;">含义</th></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">execution(* *(..))</td><td style="padding:10px;border-bottom:1px solid #eee;">匹配所有方法</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">execution(* com.example.service.*.*(..))</td><td style="padding:10px;border-bottom:1px solid #eee;">service包下所有方法</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">execution(* com.example.service..*.*(..))</td><td style="padding:10px;border-bottom:1px solid #eee;">service包及子包所有方法</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">execution(public * *(..))</td><td style="padding:10px;border-bottom:1px solid #eee;">所有public方法</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">@annotation(org.springframework.transaction.annotation.Transactional)</td><td style="padding:10px;border-bottom:1px solid #eee;">带@Transactional的方法</td></tr>
+            </table>
+        </div>
+    </div>
+    
+    <script>
+        async function testAop() {
+            const result = document.getElementById('testResult');
+            result.textContent = '测试中...';
+            try {
+                const res = await fetch('/api/learning/aop/test?message=HelloAOP');
+                const data = await res.json();
+                result.innerHTML = `<strong>✅ 测试成功</strong>\n\n${JSON.stringify(data, null, 2)}\n\n💡 提示: 查看服务器控制台，观察 AOP 通知执行顺序`;
+            } catch (e) {
+                result.textContent = '测试失败: ' + e.message;
+            }
+        }
+        
+        async function testAopError() {
+            const result = document.getElementById('testResult');
+            result.textContent = '测试中...';
+            try {
+                const res = await fetch('/api/learning/aop/test-error?error=true');
+                const data = await res.json();
+                result.innerHTML = `<strong>✅ 正常返回</strong>\n\n${JSON.stringify(data, null, 2)}`;
+            } catch (e) {
+                result.innerHTML = `<strong>❌ 触发异常（预期行为）</strong>\n\n异常信息: ${e.message}\n\n💡 提示: 查看服务器控制台，观察 @AfterThrowing 通知`;
+            }
+        }
+    </script>
+</body>
+</html>
\ No newline at end of file
diff --git a/src/main/resources/static/api.html b/src/main/resources/static/api.html
new file mode 100644
index 0000000..d801914
--- /dev/null
+++ b/src/main/resources/static/api.html
@@ -0,0 +1,280 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>API 测试面板 - Spring Boot</title>
+    <style>
+        * { margin: 0; padding: 0; box-sizing: border-box; }
+        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f5f5f5; }
+        .container { max-width: 1400px; margin: 0 auto; padding: 20px; }
+        
+        .header { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 30px 20px; text-align: center; margin-bottom: 20px; border-radius: 10px; }
+        .header h1 { font-size: 2em; }
+        
+        .nav { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; justify-content: center; }
+        .nav a { padding: 10px 20px; background: white; border-radius: 20px; text-decoration: none; color: #333; font-size: 0.9em; }
+        .nav a:hover, .nav a.active { background: #667eea; color: white; }
+        
+        .card { background: white; border-radius: 10px; padding: 20px; margin-bottom: 20px; box-shadow: 0 2px 10px rgba(0,0,0,0.08); }
+        .card h3 { color: #667eea; margin-bottom: 15px; border-bottom: 2px solid #eee; padding-bottom: 10px; }
+        
+        .api-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 15px; }
+        .api-item { background: #f8f9fa; border-radius: 8px; padding: 15px; border-left: 4px solid; }
+        .api-item.get { border-color: #28a745; }
+        .api-item.post { border-color: #007bff; }
+        .api-item.put { border-color: #ffc107; }
+        .api-item.delete { border-color: #dc3545; }
+        
+        .method { display: inline-block; padding: 3px 8px; border-radius: 4px; font-size: 0.75em; font-weight: bold; margin-right: 8px; }
+        .method.get { background: #28a745; color: white; }
+        .method.post { background: #007bff; color: white; }
+        .method.put { background: #ffc107; color: #333; }
+        .method.delete { background: #dc3545; color: white; }
+        
+        .btn { padding: 8px 16px; border: none; border-radius: 5px; cursor: pointer; font-size: 0.9em; margin-top: 10px; }
+        .btn-primary { background: #667eea; color: white; }
+        .btn-primary:hover { background: #5a6fd6; }
+        
+        .result { background: #1e1e1e; color: #d4d4d4; padding: 15px; border-radius: 5px; margin-top: 10px; font-family: monospace; font-size: 0.85em; overflow-x: auto; max-height: 200px; overflow-y: auto; display: none; }
+        .result.show { display: block; }
+        
+        .url { font-family: monospace; color: #666; font-size: 0.9em; word-break: break-all; }
+        
+        .tabs { display: flex; gap: 5px; margin-bottom: 20px; border-bottom: 2px solid #eee; }
+        .tab { padding: 10px 20px; cursor: pointer; border-bottom: 2px solid transparent; }
+        .tab.active { border-bottom-color: #667eea; color: #667eea; font-weight: 600; }
+        
+        .tab-content { display: none; }
+        .tab-content.active { display: block; }
+        
+        .json-input { width: 100%; min-height: 100px; padding: 10px; border: 1px solid #ddd; border-radius: 5px; font-family: monospace; font-size: 0.9em; }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="header">
+            <h1>🔌 API 测试面板</h1>
+            <p>在线测试所有 RESTful API</p>
+        </div>
+        
+        <div class="nav">
+            <a href="index.html">🏠 首页</a>
+            <a href="ioc.html">📦 IoC</a>
+            <a href="aop.html">🔪 AOP</a>
+            <a href="mybatis.html">💾 MyBatis</a>
+            <a href="transaction.html">🔄 事务</a>
+            <a href="users.html">👥 用户</a>
+            <a href="api.html" class="active">🔌 API</a>
+        </div>
+        
+        <div class="tabs">
+            <div class="tab active" onclick="switchTab('user')">👥 用户 API</div>
+            <div class="tab" onclick="switchTab('product')">📦 产品 API</div>
+            <div class="tab" onclick="switchTab('order')">🛒 订单 API</div>
+            <div class="tab" onclick="switchTab('learning')">📚 学习 API</div>
+        </div>
+        
+        <!-- 用户 API -->
+        <div id="userTab" class="tab-content active">
+            <div class="card">
+                <h3>用户管理 API</h3>
+                <div class="api-grid">
+                    <div class="api-item get">
+                        <span class="method get">GET</span>
+                        <strong>获取所有用户</strong>
+                        <div class="url">/api/users</div>
+                        <button class="btn btn-primary" onclick="testApi('GET', '/api/users', null, 'userResult1')">测试</button>
+                        <div id="userResult1" class="result"></div>
+                    </div>
+                    
+                    <div class="api-item get">
+                        <span class="method get">GET</span>
+                        <strong>获取单个用户</strong>
+                        <div class="url">/api/users/{id}</div>
+                        <input type="number" id="userId" placeholder="用户ID" style="width:80px;padding:5px;margin-top:5px;">
+                        <button class="btn btn-primary" onclick="testApi('GET', '/api/users/' + document.getElementById('userId').value, null, 'userResult2')">测试</button>
+                        <div id="userResult2" class="result"></div>
+                    </div>
+                    
+                    <div class="api-item post">
+                        <span class="method post">POST</span>
+                        <strong>创建用户</strong>
+                        <div class="url">/api/users</div>
+                        <textarea class="json-input" id="createUserJson">{
+  "username": "testuser",
+  "email": "test@example.com",
+  "phone": "13800138000",
+  "bio": "测试用户"
+}</textarea>
+                        <button class="btn btn-primary" onclick="testApi('POST', '/api/users', document.getElementById('createUserJson').value, 'userResult3')">测试</button>
+                        <div id="userResult3" class="result"></div>
+                    </div>
+                    
+                    <div class="api-item get">
+                        <span class="method get">GET</span>
+                        <strong>搜索用户</strong>
+                        <div class="url">/api/users/search?username={name}</div>
+                        <input type="text" id="searchName" placeholder="用户名关键词" style="padding:5px;margin-top:5px;">
+                        <button class="btn btn-primary" onclick="testApi('GET', '/api/users/search?username=' + encodeURIComponent(document.getElementById('searchName').value), null, 'userResult4')">测试</button>
+                        <div id="userResult4" class="result"></div>
+                    </div>
+                </div>
+            </div>
+        </div>
+        
+        <!-- 产品 API -->
+        <div id="productTab" class="tab-content">
+            <div class="card">
+                <h3>产品管理 API</h3>
+                <div class="api-grid">
+                    <div class="api-item get">
+                        <span class="method get">GET</span>
+                        <strong>获取所有产品</strong>
+                        <div class="url">/api/products</div>
+                        <button class="btn btn-primary" onclick="testApi('GET', '/api/products', null, 'productResult1')">测试</button>
+                        <div id="productResult1" class="result"></div>
+                    </div>
+                    
+                    <div class="api-item post">
+                        <span class="method post">POST</span>
+                        <strong>创建产品</strong>
+                        <div class="url">/api/products</div>
+                        <textarea class="json-input" id="createProductJson">{
+  "name": "iPhone 15",
+  "description": "最新款苹果手机",
+  "price": 5999.00,
+  "stockQuantity": 100,
+  "category": "手机"
+}</textarea>
+                        <button class="btn btn-primary" onclick="testApi('POST', '/api/products', document.getElementById('createProductJson').value, 'productResult2')">测试</button>
+                        <div id="productResult2" class="result"></div>
+                    </div>
+                </div>
+            </div>
+        </div>
+        
+        <!-- 订单 API -->
+        <div id="orderTab" class="tab-content">
+            <div class="card">
+                <h3>订单管理 API (演示事务)</h3>
+                <div class="api-grid">
+                    <div class="api-item get">
+                        <span class="method get">GET</span>
+                        <strong>获取所有订单</strong>
+                        <div class="url">/api/orders</div>
+                        <button class="btn btn-primary" onclick="testApi('GET', '/api/orders', null, 'orderResult1')">测试</button>
+                        <div id="orderResult1" class="result"></div>
+                    </div>
+                    
+                    <div class="api-item post">
+                        <span class="method post">POST</span>
+                        <strong>创建订单</strong>
+                        <div class="url">/api/orders</div>
+                        <textarea class="json-input" id="createOrderJson">{
+  "userId": 1,
+  "productId": 1,
+  "quantity": 1,
+  "rollback": false
+}</textarea>
+                        <button class="btn btn-primary" onclick="testApi('POST', '/api/orders', document.getElementById('createOrderJson').value, 'orderResult2')">测试</button>
+                        <div id="orderResult2" class="result"></div>
+                    </div>
+                    
+                    <div class="api-item post">
+                        <span class="method post">POST</span>
+                        <strong>创建订单(触发回滚)</strong>
+                        <div class="url">/api/orders (rollback=true)</div>
+                        <textarea class="json-input" id="rollbackOrderJson">{
+  "userId": 1,
+  "productId": 1,
+  "quantity": 1,
+  "rollback": true
+}</textarea>
+                        <button class="btn btn-primary" onclick="testApi('POST', '/api/orders', document.getElementById('rollbackOrderJson').value, 'orderResult3')">测试</button>
+                        <div id="orderResult3" class="result"></div>
+                    </div>
+                </div>
+            </div>
+        </div>
+        
+        <!-- 学习 API -->
+        <div id="learningTab" class="tab-content">
+            <div class="card">
+                <h3>学习 API</h3>
+                <div class="api-grid">
+                    <div class="api-item get">
+                        <span class="method get">GET</span>
+                        <strong>IoC - 查看所有 Bean</strong>
+                        <div class="url">/api/learning/ioc/beans</div>
+                        <button class="btn btn-primary" onclick="testApi('GET', '/api/learning/ioc/beans', null, 'learnResult1')">测试</button>
+                        <div id="learnResult1" class="result"></div>
+                    </div>
+                    
+                    <div class="api-item get">
+                        <span class="method get">GET</span>
+                        <strong>AOP - 概念</strong>
+                        <div class="url">/api/learning/aop/concepts</div>
+                        <button class="btn btn-primary" onclick="testApi('GET', '/api/learning/aop/concepts', null, 'learnResult2')">测试</button>
+                        <div id="learnResult2" class="result"></div>
+                    </div>
+                    
+                    <div class="api-item get">
+                        <span class="method get">GET</span>
+                        <strong>MyBatis - 配置</strong>
+                        <div class="url">/api/learning/mybatis/config</div>
+                        <button class="btn btn-primary" onclick="testApi('GET', '/api/learning/mybatis/config', null, 'learnResult3')">测试</button>
+                        <div id="learnResult3" class="result"></div>
+                    </div>
+                    
+                    <div class="api-item get">
+                        <span class="method get">GET</span>
+                        <strong>事务 - 传播行为</strong>
+                        <div class="url">/api/learning/transaction/propagation</div>
+                        <button class="btn btn-primary" onclick="testApi('GET', '/api/learning/transaction/propagation', null, 'learnResult4')">测试</button>
+                        <div id="learnResult4" class="result"></div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+    
+    <script>
+        function switchTab(tab) {
+            document.querySelectorAll('.tab').forEach(t => t.classList.remove('active'));
+            document.querySelectorAll('.tab-content').forEach(t => t.classList.remove('active'));
+            
+            event.target.classList.add('active');
+            document.getElementById(tab + 'Tab').classList.add('active');
+        }
+        
+        async function testApi(method, url, body, resultId) {
+            const resultDiv = document.getElementById(resultId);
+            resultDiv.classList.add('show');
+            resultDiv.textContent = '请求中...';
+            
+            try {
+                const options = {
+                    method: method,
+                    headers: {}
+                };
+                
+                if (body) {
+                    options.headers['Content-Type'] = 'application/json';
+                    options.body = body;
+                }
+                
+                const startTime = Date.now();
+                const res = await fetch(url, options);
+                const duration = Date.now() - startTime;
+                
+                const data = await res.json();
+                
+                resultDiv.innerHTML = `<strong>${res.status} ${res.statusText}</strong> (${duration}ms)\n\n${JSON.stringify(data, null, 2)}`;
+            } catch (e) {
+                resultDiv.innerHTML = `<strong style="color:#ff6b6b;">Error</strong>\n\n${e.message}`;
+            }
+        }
+    </script>
+</body>
+</html>
\ No newline at end of file
diff --git a/src/main/resources/static/index.html b/src/main/resources/static/index.html
new file mode 100644
index 0000000..d137181
--- /dev/null
+++ b/src/main/resources/static/index.html
@@ -0,0 +1,203 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Spring Boot 学习中心</title>
+    <style>
+        * { margin: 0; padding: 0; box-sizing: border-box; }
+        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f5f5f5; }
+        .container { max-width: 1400px; margin: 0 auto; padding: 20px; }
+        
+        .header { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 40px 20px; text-align: center; margin-bottom: 30px; border-radius: 10px; }
+        .header h1 { font-size: 2.5em; margin-bottom: 10px; }
+        .header p { opacity: 0.9; font-size: 1.1em; }
+        
+        .nav { display: flex; gap: 10px; margin-bottom: 30px; flex-wrap: wrap; justify-content: center; }
+        .nav a { padding: 12px 24px; background: white; border-radius: 25px; text-decoration: none; color: #333; font-weight: 500; transition: all 0.3s; border: 2px solid #e0e0e0; }
+        .nav a:hover, .nav a.active { background: #667eea; color: white; border-color: #667eea; }
+        
+        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
+        
+        .card { background: white; border-radius: 15px; padding: 25px; box-shadow: 0 5px 20px rgba(0,0,0,0.08); transition: transform 0.3s; }
+        .card:hover { transform: translateY(-5px); }
+        .card h3 { color: #333; margin-bottom: 15px; font-size: 1.3em; }
+        .card p { color: #666; line-height: 1.6; margin-bottom: 15px; }
+        .card .btn { display: inline-block; padding: 10px 20px; background: #667eea; color: white; text-decoration: none; border-radius: 20px; font-size: 0.9em; }
+        .card .btn:hover { background: #5a6fd6; }
+        
+        .feature-list { list-style: none; }
+        .feature-list li { padding: 8px 0; border-bottom: 1px solid #eee; }
+        .feature-list li:last-child { border-bottom: none; }
+        .feature-list .icon { margin-right: 8px; }
+        
+        .api-test { background: #1e1e1e; border-radius: 10px; padding: 20px; margin-top: 20px; }
+        .api-test h4 { color: #4ec9b0; margin-bottom: 15px; }
+        .api-test pre { color: #d4d4d4; overflow-x: auto; font-size: 0.85em; }
+        .api-test .method { color: #569cd6; }
+        .api-test .url { color: #4ec9b0; }
+        
+        .status { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 30px; }
+        .status-item { background: white; padding: 20px 30px; border-radius: 10px; text-align: center; }
+        .status-item .value { font-size: 2em; font-weight: bold; color: #667eea; }
+        .status-item .label { color: #666; margin-top: 5px; }
+        
+        footer { text-align: center; padding: 30px; color: #666; margin-top: 40px; }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="header">
+            <h1>🍃 Spring Boot 学习中心</h1>
+            <p>交互式学习 Spring 核心功能 | IoC · AOP · MyBatis · 事务</p>
+        </div>
+        
+        <div class="status">
+            <div class="status-item">
+                <div class="value" id="beanCount">-</div>
+                <div class="label">已加载 Bean</div>
+            </div>
+            <div class="status-item">
+                <div class="value" id="userCount">-</div>
+                <div class="label">用户数量</div>
+            </div>
+            <div class="status-item">
+                <div class="value" id="productCount">-</div>
+                <div class="label">产品数量</div>
+            </div>
+            <div class="status-item">
+                <div class="value" id="orderCount">-</div>
+                <div class="label">订单数量</div>
+            </div>
+        </div>
+        
+        <div class="nav">
+            <a href="index.html" class="active">🏠 首页</a>
+            <a href="ioc.html">📦 IoC 容器</a>
+            <a href="aop.html">🔪 AOP 切面</a>
+            <a href="mybatis.html">💾 MyBatis</a>
+            <a href="transaction.html">🔄 事务管理</a>
+            <a href="users.html">👥 用户管理</a>
+            <a href="api.html">🔌 API 测试</a>
+        </div>
+        
+        <div class="grid">
+            <div class="card">
+                <h3>📦 IoC 容器</h3>
+                <p>理解 Spring 的核心：控制反转和依赖注入。学习 Bean 的生命周期、作用域和各种注入方式。</p>
+                <ul class="feature-list">
+                    <li><span class="icon">✅</span>Bean 生命周期演示</li>
+                    <li><span class="icon">✅</span>依赖注入方式对比</li>
+                    <li><span class="icon">✅</span>Bean 作用域详解</li>
+                    <li><span class="icon">✅</span>性能统计面板</li>
+                </ul>
+                <a href="ioc.html" class="btn">开始学习 →</a>
+            </div>
+            
+            <div class="card">
+                <h3>🔪 AOP 切面编程</h3>
+                <p>掌握面向切面编程，实现日志、性能监控、事务等横切关注点的模块化管理。</p>
+                <ul class="feature-list">
+                    <li><span class="icon">✅</span>5 种通知类型演示</li>
+                    <li><span class="icon">✅</span>切入点表达式语法</li>
+                    <li><span class="icon">✅</span>实时日志展示</li>
+                    <li><span class="icon">✅</span>性能监控切面</li>
+                </ul>
+                <a href="aop.html" class="btn">开始学习 →</a>
+            </div>
+            
+            <div class="card">
+                <h3>💾 MyBatis 集成</h3>
+                <p>学习 MyBatis 与 Spring Boot 的整合，对比 JPA，掌握动态 SQL 和缓存机制。</p>
+                <ul class="feature-list">
+                    <li><span class="icon">✅</span>MyBatis vs JPA 对比</li>
+                    <li><span class="icon">✅</span>动态 SQL 语法</li>
+                    <li><span class="icon">✅</span>一级/二级缓存演示</li>
+                    <li><span class="icon">✅</span>批量操作示例</li>
+                </ul>
+                <a href="mybatis.html" class="btn">开始学习 →</a>
+            </div>
+            
+            <div class="card">
+                <h3>🔄 事务管理</h3>
+                <p>深入理解 Spring 声明式事务，掌握传播行为和隔离级别的实际应用。</p>
+                <ul class="feature-list">
+                    <li><span class="icon">✅</span>事务传播行为</li>
+                    <li><span class="icon">✅</span>事务隔离级别</li>
+                    <li><span class="icon">✅</span>回滚机制演示</li>
+                    <li><span class="icon">✅</span>订单创建场景</li>
+                </ul>
+                <a href="transaction.html" class="btn">开始学习 →</a>
+            </div>
+            
+            <div class="card">
+                <h3>👥 用户管理 CRUD</h3>
+                <p>完整的 RESTful API 示例，演示增删改查操作和参数验证。</p>
+                <ul class="feature-list">
+                    <li><span class="icon">✅</span>RESTful 设计规范</li>
+                    <li><span class="icon">✅</span>参数验证</li>
+                    <li><span class="icon">✅</span>异常处理</li>
+                    <li><span class="icon">✅</span>交互式测试</li>
+                </ul>
+                <a href="users.html" class="btn">开始学习 →</a>
+            </div>
+            
+            <div class="card">
+                <h3>🔌 API 测试面板</h3>
+                <p>在线测试所有 API 接口，查看请求响应，理解 RESTful API 工作原理。</p>
+                <ul class="feature-list">
+                    <li><span class="icon">✅</span>用户 API</li>
+                    <li><span class="icon">✅</span>产品 API</li>
+                    <li><span class="icon">✅</span>订单 API</li>
+                    <li><span class="icon">✅</span>学习 API</li>
+                </ul>
+                <a href="api.html" class="btn">开始测试 →</a>
+            </div>
+        </div>
+        
+        <div class="api-test">
+            <h4>🚀 快速开始 - API 示例</h4>
+            <pre>
+<span class="method">GET</span>  <span class="url">/api/users</span>           # 获取所有用户
+<span class="method">GET</span>  <span class="url">/api/users/{id}</span>       # 获取单个用户
+<span class="method">POST</span> <span class="url">/api/users</span>           # 创建用户
+<span class="method">PUT</span>  <span class="url">/api/users/{id}</span>       # 更新用户
+<span class="method">DEL</span>  <span class="url">/api/users/{id}</span>       # 删除用户
+
+<span class="method">GET</span>  <span class="url">/api/learning/ioc/beans</span>      # 查看所有 Bean
+<span class="method">GET</span>  <span class="url">/api/learning/aop/concepts</span>   # AOP 概念
+<span class="method">GET</span>  <span class="url">/api/learning/mybatis/cache</span>  # 缓存机制
+<span class="method">GET</span>  <span class="url">/api/learning/transaction/propagation</span>  # 传播行为
+            </pre>
+        </div>
+        
+        <footer>
+            <p>🍃 Spring Boot 学习脚手架 | <a href="/h2-console" target="_blank">H2 控制台</a> (JDBC: jdbc:h2:file:~/h2/springboot_scaffold, 用户: sa)</p>
+        </footer>
+    </div>
+    
+    <script>
+        // 加载状态数据
+        async function loadStatus() {
+            try {
+                const [beans, users, products, orders] = await Promise.all([
+                    fetch('/api/learning/ioc/beans').then(r => r.json()),
+                    fetch('/api/users/count').then(r => r.json()),
+                    fetch('/api/products').then(r => r.json()),
+                    fetch('/api/orders').then(r => r.json())
+                ]);
+                
+                document.getElementById('beanCount').textContent = beans.total || '-';
+                document.getElementById('userCount').textContent = users.count || 0;
+                document.getElementById('productCount').textContent = products.length || 0;
+                document.getElementById('orderCount').textContent = orders.length || 0;
+            } catch (e) {
+                console.error('加载状态失败:', e);
+            }
+        }
+        
+        loadStatus();
+        setInterval(loadStatus, 30000);
+    </script>
+</body>
+</html>
\ No newline at end of file
diff --git a/src/main/resources/static/ioc.html b/src/main/resources/static/ioc.html
new file mode 100644
index 0000000..473f3f1
--- /dev/null
+++ b/src/main/resources/static/ioc.html
@@ -0,0 +1,175 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>IoC 容器学习 - Spring Boot</title>
+    <style>
+        * { margin: 0; padding: 0; box-sizing: border-box; }
+        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f5f5f5; }
+        .container { max-width: 1400px; margin: 0 auto; padding: 20px; }
+        
+        .header { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 30px 20px; text-align: center; margin-bottom: 20px; border-radius: 10px; }
+        .header h1 { font-size: 2em; }
+        
+        .nav { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; justify-content: center; }
+        .nav a { padding: 10px 20px; background: white; border-radius: 20px; text-decoration: none; color: #333; font-size: 0.9em; }
+        .nav a:hover, .nav a.active { background: #667eea; color: white; }
+        
+        .card { background: white; border-radius: 10px; padding: 20px; margin-bottom: 20px; box-shadow: 0 2px 10px rgba(0,0,0,0.08); }
+        .card h3 { color: #667eea; margin-bottom: 15px; border-bottom: 2px solid #eee; padding-bottom: 10px; }
+        
+        .concept-box { background: #f8f9fa; border-left: 4px solid #667eea; padding: 15px; margin: 10px 0; border-radius: 5px; }
+        .concept-box h4 { color: #333; margin-bottom: 10px; }
+        
+        .btn { padding: 10px 20px; background: #667eea; color: white; border: none; border-radius: 5px; cursor: pointer; margin: 5px; }
+        .btn:hover { background: #5a6fd6; }
+        .btn-secondary { background: #6c757d; }
+        
+        .result { background: #1e1e1e; color: #d4d4d4; padding: 15px; border-radius: 5px; margin-top: 10px; font-family: monospace; font-size: 0.9em; overflow-x: auto; max-height: 400px; overflow-y: auto; }
+        
+        table { width: 100%; border-collapse: collapse; margin: 10px 0; }
+        th, td { padding: 10px; text-align: left; border-bottom: 1px solid #eee; }
+        th { background: #f8f9fa; font-weight: 600; }
+        tr:hover { background: #f8f9fa; }
+        
+        .badge { padding: 4px 8px; border-radius: 4px; font-size: 0.8em; }
+        .badge-primary { background: #667eea; color: white; }
+        .badge-success { background: #28a745; color: white; }
+        .badge-warning { background: #ffc107; color: #333; }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="header">
+            <h1>📦 IoC 容器学习</h1>
+            <p>控制反转 (Inversion of Control) 与依赖注入 (Dependency Injection)</p>
+        </div>
+        
+        <div class="nav">
+            <a href="index.html">🏠 首页</a>
+            <a href="ioc.html" class="active">📦 IoC</a>
+            <a href="aop.html">🔪 AOP</a>
+            <a href="mybatis.html">💾 MyBatis</a>
+            <a href="transaction.html">🔄 事务</a>
+            <a href="users.html">👥 用户</a>
+            <a href="api.html">🔌 API</a>
+        </div>
+        
+        <div class="card">
+            <h3>📚 核心概念</h3>
+            <div class="concept-box">
+                <h4>什么是 IoC？</h4>
+                <p><strong>控制反转 (Inversion of Control)</strong>：将对象的创建和管理交给 Spring 容器，而不是由开发者手动创建。</p>
+                <p><strong>依赖注入 (Dependency Injection)</strong>：IoC 的一种实现方式，通过构造器、Setter 或字段将依赖注入到对象中。</p>
+            </div>
+            <div class="concept-box">
+                <h4>为什么用 IoC？</h4>
+                <ul>
+                    <li>✅ <strong>解耦</strong>：对象之间不直接依赖，通过接口交互</li>
+                    <li>✅ <strong>可测试</strong>：方便使用 Mock 对象进行单元测试</li>
+                    <li>✅ <strong>可维护</strong>：集中管理对象生命周期</li>
+                    <li>✅ <strong>AOP 支持</strong>：便于实现切面编程</li>
+                </ul>
+            </div>
+        </div>
+        
+        <div class="card">
+            <h3>🔍 查看所有 Bean</h3>
+            <p>Spring 容器中管理的所有 Bean 对象</p>
+            <button class="btn" onclick="loadBeans()">刷新 Bean 列表</button>
+            <button class="btn btn-secondary" onclick="document.getElementById('beansResult').innerHTML=''">清空</button>
+            <div id="beansResult" class="result"></div>
+        </div>
+        
+        <div class="card">
+            <h3>📊 Bean 作用域</h3>
+            <table>
+                <tr><th>作用域</th><th>说明</th><th>使用场景</th></tr>
+                <tr><td><span class="badge badge-primary">singleton</span></td><td>默认，整个应用只有一个实例</td><td>无状态的服务、配置类</td></tr>
+                <tr><td><span class="badge badge-success">prototype</span></td><td>每次请求都创建新实例</td><td>有状态的对象</td></tr>
+                <tr><td><span class="badge badge-warning">request</span></td><td>每个 HTTP 请求一个实例</td><td>Web 应用</td></tr>
+                <tr><td><span class="badge badge-warning">session</span></td><td>每个 HTTP 会话一个实例</td><td>用户会话数据</td></tr>
+            </table>
+            <button class="btn" onclick="testScopes()">测试作用域</button>
+            <div id="scopesResult" class="result"></div>
+        </div>
+        
+        <div class="card">
+            <h3>⚡ 性能统计</h3>
+            <p>实时监控方法执行时间和调用次数</p>
+            <button class="btn" onclick="loadPerformance()">刷新统计</button>
+            <button class="btn btn-secondary" onclick="resetPerformance()">重置统计</button>
+            <div id="performanceResult" class="result"></div>
+        </div>
+        
+        <div class="card">
+            <h3>💉 依赖注入方式对比</h3>
+            <table>
+                <tr><th>方式</th><th>优点</th><th>缺点</th><th>推荐度</th></tr>
+                <tr><td>构造器注入</td><td>明确依赖、不可变、易测试</td><td>参数多时代码长</td><td>⭐⭐⭐⭐⭐</td></tr>
+                <tr><td>Setter 注入</td><td>可选依赖、灵活</td><td>可能为 null</td><td>⭐⭐⭐</td></tr>
+                <tr><td>字段注入</td><td>代码简洁</td><td>隐藏依赖、难测试</td><td>⭐</td></tr>
+            </table>
+        </div>
+    </div>
+    
+    <script>
+        async function loadBeans() {
+            const result = document.getElementById('beansResult');
+            result.textContent = '加载中...';
+            try {
+                const res = await fetch('/api/learning/ioc/beans');
+                const data = await res.json();
+                result.innerHTML = `<strong>总 Bean 数: ${data.total}</strong>\n\n用户相关 Bean:\n${data.userBeans.map(b => '  - ' + b).join('\n')}`;
+            } catch (e) {
+                result.textContent = '加载失败: ' + e.message;
+            }
+        }
+        
+        async function testScopes() {
+            const result = document.getElementById('scopesResult');
+            try {
+                const res = await fetch('/api/learning/ioc/scopes');
+                const data = await res.json();
+                result.innerHTML = JSON.stringify(data, null, 2);
+            } catch (e) {
+                result.textContent = '测试失败: ' + e.message;
+            }
+        }
+        
+        async function loadPerformance() {
+            const result = document.getElementById('performanceResult');
+            result.textContent = '加载中...';
+            try {
+                const res = await fetch('/api/learning/ioc/performance');
+                const data = await res.json();
+                if (Object.keys(data).length === 0) {
+                    result.textContent = '暂无性能数据，请先调用一些 API';
+                    return;
+                }
+                let html = '<table><tr><th>方法</th><th>调用次数</th><th>错误数</th><th>平均耗时(ms)</th><th>最大耗时(ms)</th></tr>';
+                for (const [key, val] of Object.entries(data)) {
+                    html += `<tr><td>${key}</td><td>${val.count}</td><td>${val.errors}</td><td>${val.avgMs}</td><td>${val.maxMs}</td></tr>`;
+                }
+                html += '</table>';
+                result.innerHTML = html;
+            } catch (e) {
+                result.textContent = '加载失败: ' + e.message;
+            }
+        }
+        
+        async function resetPerformance() {
+            try {
+                await fetch('/api/learning/ioc/performance/reset', { method: 'POST' });
+                loadPerformance();
+            } catch (e) {
+                alert('重置失败: ' + e.message);
+            }
+        }
+        
+        loadBeans();
+        loadPerformance();
+    </script>
+</body>
+</html>
\ No newline at end of file
diff --git a/src/main/resources/static/mybatis.html b/src/main/resources/static/mybatis.html
new file mode 100644
index 0000000..f4b7d19
--- /dev/null
+++ b/src/main/resources/static/mybatis.html
@@ -0,0 +1,176 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>MyBatis 学习 - Spring Boot</title>
+    <style>
+        * { margin: 0; padding: 0; box-sizing: border-box; }
+        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f5f5f5; }
+        .container { max-width: 1400px; margin: 0 auto; padding: 20px; }
+        
+        .header { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); color: white; padding: 30px 20px; text-align: center; margin-bottom: 20px; border-radius: 10px; }
+        .header h1 { font-size: 2em; }
+        
+        .nav { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; justify-content: center; }
+        .nav a { padding: 10px 20px; background: white; border-radius: 20px; text-decoration: none; color: #333; font-size: 0.9em; }
+        .nav a:hover, .nav a.active { background: #4facfe; color: white; }
+        
+        .card { background: white; border-radius: 10px; padding: 20px; margin-bottom: 20px; box-shadow: 0 2px 10px rgba(0,0,0,0.08); }
+        .card h3 { color: #4facfe; margin-bottom: 15px; border-bottom: 2px solid #eee; padding-bottom: 10px; }
+        
+        .comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
+        .compare-box { padding: 20px; border-radius: 10px; }
+        .mybatis-box { background: #e3f2fd; border: 2px solid #4facfe; }
+        .jpa-box { background: #f3e5f5; border: 2px solid #9c27b0; }
+        
+        .btn { padding: 10px 20px; background: #4facfe; color: white; border: none; border-radius: 5px; cursor: pointer; margin: 5px; }
+        .btn:hover { background: #3d9be8; }
+        
+        .result { background: #1e1e1e; color: #d4d4d4; padding: 15px; border-radius: 5px; margin-top: 10px; font-family: monospace; font-size: 0.9em; overflow-x: auto; max-height: 400px; overflow-y: auto; }
+        
+        .code-block { background: #f4f4f4; padding: 15px; border-radius: 5px; font-family: monospace; font-size: 0.9em; overflow-x: auto; margin: 10px 0; }
+        
+        .cache-box { background: #fff3e0; border-left: 4px solid #ff9800; padding: 15px; margin: 10px 0; }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="header">
+            <h1>💾 MyBatis 学习</h1>
+            <p>半自动 ORM 框架 - SQL 与 Java 对象的映射</p>
+        </div>
+        
+        <div class="nav">
+            <a href="index.html">🏠 首页</a>
+            <a href="ioc.html">📦 IoC</a>
+            <a href="aop.html">🔪 AOP</a>
+            <a href="mybatis.html" class="active">💾 MyBatis</a>
+            <a href="transaction.html">🔄 事务</a>
+            <a href="users.html">👥 用户</a>
+            <a href="api.html">🔌 API</a>
+        </div>
+        
+        <div class="card">
+            <h3>📊 MyBatis vs JPA 对比</h3>
+            <div class="comparison">
+                <div class="compare-box mybatis-box">
+                    <h4>MyBatis</h4>
+                    <p><strong>优点：</strong></p>
+                    <ul>
+                        <li>✅ SQL 灵活可控</li>
+                        <li>✅ 性能优化方便</li>
+                        <li>✅ 复杂查询友好</li>
+                        <li>✅ 易于 DBA 协作</li>
+                    </ul>
+                    <p><strong>缺点：</strong></p>
+                    <ul>
+                        <li>❌ SQL 与代码耦合</li>
+                        <li>❌ 数据库迁移成本高</li>
+                        <li>❌ 需要手写 SQL</li>
+                    </ul>
+                    <p><strong>适用：</strong>复杂查询、性能要求高</p>
+                </div>
+                <div class="compare-box jpa-box">
+                    <h4>JPA/Hibernate</h4>
+                    <p><strong>优点：</strong></p>
+                    <ul>
+                        <li>✅ 面向对象</li>
+                        <li>✅ 数据库无关</li>
+                        <li>✅ 开发效率高</li>
+                        <li>✅ 自动维护</li>
+                    </ul>
+                    <p><strong>缺点：</strong></p>
+                    <ul>
+                        <li>❌ 复杂查询困难</li>
+                        <li>❌ 性能调优复杂</li>
+                        <li>❌ 学习曲线陡</li>
+                    </ul>
+                    <p><strong>适用：</strong>标准 CRUD、快速开发</p>
+                </div>
+            </div>
+        </div>
+        
+        <div class="card">
+            <h3>🚀 快速体验</h3>
+            <button class="btn" onclick="loadConfig()">查看 MyBatis 配置</button>
+            <button class="btn" onclick="loadConcepts()">核心概念</button>
+            <button class="btn" onclick="loadVsJpa()">详细对比</button>
+            <div id="result" class="result"></div>
+        </div>
+        
+        <div class="card">
+            <h3>💡 缓存机制</h3>
+            <div class="cache-box">
+                <h4>一级缓存 (SqlSession 级别)</h4>
+                <p>默认开启，同一 SqlSession 内相同查询只执行一次 SQL</p>
+                <div class="code-block">// 第一次查询 - 执行 SQL<br>User u1 = mapper.findById(1L);<br>// 第二次查询 - 命中缓存，不执行 SQL<br>User u2 = mapper.findById(1L);</div>
+            </div>
+            <div class="cache-box">
+                <h4>二级缓存 (Mapper 级别)</h4>
+                <p>需配置 @CacheNamespace，多个 SqlSession 共享</p>
+                <div class="code-block">@Mapper<br>@CacheNamespace<br>public interface UserMapper { ... }</div>
+            </div>
+            <p>💡 <strong>验证方式：</strong>查看控制台 SQL 日志，缓存命中时不打印 SQL</p>
+        </div>
+        
+        <div class="card">
+            <h3>📝 常用注解</h3>
+            <table style="width:100%;border-collapse:collapse;">
+                <tr style="background:#f8f9fa;"><th style="padding:10px;text-align:left;">注解</th><th style="padding:10px;text-align:left;">用途</th></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">@Mapper</td><td style="padding:10px;border-bottom:1px solid #eee;">标记为 MyBatis Mapper 接口</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">@Select</td><td style="padding:10px;border-bottom:1px solid #eee;">查询 SQL</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">@Insert</td><td style="padding:10px;border-bottom:1px solid #eee;">插入 SQL</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">@Update</td><td style="padding:10px;border-bottom:1px solid #eee;">更新 SQL</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">@Delete</td><td style="padding:10px;border-bottom:1px solid #eee;">删除 SQL</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">@Param</td><td style="padding:10px;border-bottom:1px solid #eee;">参数命名</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">@Options</td><td style="padding:10px;border-bottom:1px solid #eee;">额外选项（如返回自增ID）</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">@CacheNamespace</td><td style="padding:10px;border-bottom:1px solid #eee;">启用二级缓存</td></tr>
+            </table>
+        </div>
+        
+        <div class="card">
+            <h3>🔧 动态 SQL 示例</h3>
+            <div class="code-block">&lt;select id="findUsers"&gt;<br>  SELECT * FROM users<br>  &lt;where&gt;<br>    &lt;if test="name != null"&gt;<br>      AND name LIKE CONCAT('%', #{name}, '%')<br>    &lt;/if&gt;<br>    &lt;if test="email != null"&gt;<br>      AND email = #{email}<br>    &lt;/if&gt;<br>  &lt;/where&gt;<br>&lt;/select&gt;</div>
+        </div>
+    </div>
+    
+    <script>
+        async function loadConfig() {
+            const result = document.getElementById('result');
+            result.textContent = '加载中...';
+            try {
+                const res = await fetch('/api/learning/mybatis/config');
+                const data = await res.json();
+                result.innerHTML = `<strong>MyBatis 配置</strong>\n\n${JSON.stringify(data, null, 2)}`;
+            } catch (e) {
+                result.textContent = '加载失败: ' + e.message;
+            }
+        }
+        
+        async function loadConcepts() {
+            const result = document.getElementById('result');
+            result.textContent = '加载中...';
+            try {
+                const res = await fetch('/api/learning/mybatis/concepts');
+                const data = await res.json();
+                result.innerHTML = `<strong>核心概念</strong>\n\n${JSON.stringify(data, null, 2)}`;
+            } catch (e) {
+                result.textContent = '加载失败: ' + e.message;
+            }
+        }
+        
+        async function loadVsJpa() {
+            const result = document.getElementById('result');
+            result.textContent = '加载中...';
+            try {
+                const res = await fetch('/api/learning/mybatis/vs-jpa');
+                const data = await res.json();
+                result.innerHTML = `<strong>MyBatis vs JPA</strong>\n\n${JSON.stringify(data, null, 2)}`;
+            } catch (e) {
+                result.textContent = '加载失败: ' + e.message;
+            }
+        }
+    </script>
+</body>
+</html>
\ No newline at end of file
diff --git a/src/main/resources/static/transaction.html b/src/main/resources/static/transaction.html
new file mode 100644
index 0000000..9ce3f5f
--- /dev/null
+++ b/src/main/resources/static/transaction.html
@@ -0,0 +1,191 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>事务管理学习 - Spring Boot</title>
+    <style>
+        * { margin: 0; padding: 0; box-sizing: border-box; }
+        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f5f5f5; }
+        .container { max-width: 1400px; margin: 0 auto; padding: 20px; }
+        
+        .header { background: linear-gradient(135deg, #fa709a 0%, #fee140 100%); color: white; padding: 30px 20px; text-align: center; margin-bottom: 20px; border-radius: 10px; }
+        .header h1 { font-size: 2em; }
+        
+        .nav { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; justify-content: center; }
+        .nav a { padding: 10px 20px; background: white; border-radius: 20px; text-decoration: none; color: #333; font-size: 0.9em; }
+        .nav a:hover, .nav a.active { background: #fa709a; color: white; }
+        
+        .card { background: white; border-radius: 10px; padding: 20px; margin-bottom: 20px; box-shadow: 0 2px 10px rgba(0,0,0,0.08); }
+        .card h3 { color: #fa709a; margin-bottom: 15px; border-bottom: 2px solid #eee; padding-bottom: 10px; }
+        
+        .acid-box { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; margin: 20px 0; }
+        .acid-item { background: #f8f9fa; padding: 20px; border-radius: 10px; text-align: center; border-top: 4px solid; }
+        .acid-a { border-color: #e74c3c; }
+        .acid-c { border-color: #3498db; }
+        .acid-i { border-color: #2ecc71; }
+        .acid-d { border-color: #9b59b6; }
+        .acid-item h4 { font-size: 2em; margin-bottom: 10px; }
+        
+        .btn { padding: 10px 20px; background: #fa709a; color: white; border: none; border-radius: 5px; cursor: pointer; margin: 5px; }
+        .btn:hover { background: #e85a8a; }
+        .btn-danger { background: #e74c3c; }
+        
+        .result { background: #1e1e1e; color: #d4d4d4; padding: 15px; border-radius: 5px; margin-top: 10px; font-family: monospace; font-size: 0.9em; overflow-x: auto; max-height: 400px; overflow-y: auto; }
+        
+        .propagation-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 15px; }
+        .prop-box { background: #f8f9fa; padding: 15px; border-radius: 8px; border-left: 4px solid #fa709a; }
+        .prop-box h4 { color: #fa709a; margin-bottom: 8px; }
+        
+        table { width: 100%; border-collapse: collapse; margin: 15px 0; }
+        th, td { padding: 12px; text-align: left; border-bottom: 1px solid #eee; }
+        th { background: #f8f9fa; font-weight: 600; }
+        tr:hover { background: #f8f9fa; }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="header">
+            <h1>🔄 事务管理</h1>
+            <p>声明式事务 - @Transactional</p>
+        </div>
+        
+        <div class="nav">
+            <a href="index.html">🏠 首页</a>
+            <a href="ioc.html">📦 IoC</a>
+            <a href="aop.html">🔪 AOP</a>
+            <a href="mybatis.html">💾 MyBatis</a>
+            <a href="transaction.html" class="active">🔄 事务</a>
+            <a href="users.html">👥 用户</a>
+            <a href="api.html">🔌 API</a>
+        </div>
+        
+        <div class="card">
+            <h3>📚 ACID 特性</h3>
+            <div class="acid-box">
+                <div class="acid-item acid-a">
+                    <h4>A</h4>
+                    <p><strong>Atomicity</strong></p>
+                    <p>原子性</p>
+                    <p style="font-size:0.9em;color:#666;">事务是不可分割的工作单位</p>
+                </div>
+                <div class="acid-item acid-c">
+                    <h4>C</h4>
+                    <p><strong>Consistency</strong></p>
+                    <p>一致性</p>
+                    <p style="font-size:0.9em;color:#666;">数据库状态保持一致</p>
+                </div>
+                <div class="acid-item acid-i">
+                    <h4>I</h4>
+                    <p><strong>Isolation</strong></p>
+                    <p>隔离性</p>
+                    <p style="font-size:0.9em;color:#666;">事务之间相互隔离</p>
+                </div>
+                <div class="acid-item acid-d">
+                    <h4>D</h4>
+                    <p><strong>Durability</strong></p>
+                    <p>持久性</p>
+                    <p style="font-size:0.9em;color:#666;">提交后永久保存</p>
+                </div>
+            </div>
+        </div>
+        
+        <div class="card">
+            <h3>🚀 传播行为 (Propagation)</h3>
+            <div class="propagation-grid">
+                <div class="prop-box">
+                    <h4>REQUIRED (默认)</h4>
+                    <p>有事务则加入，无则新建</p>
+                    <p style="font-size:0.85em;color:#666;">最常用，适合大多数业务方法</p>
+                </div>
+                <div class="prop-box">
+                    <h4>REQUIRES_NEW</h4>
+                    <p>总是新建事务，挂起当前事务</p>
+                    <p style="font-size:0.85em;color:#666;">适合日志记录、独立子任务</p>
+                </div>
+                <div class="prop-box">
+                    <h4>SUPPORTS</h4>
+                    <p>有事务则加入，无则以非事务运行</p>
+                    <p style="font-size:0.85em;color:#666;">适合查询方法</p>
+                </div>
+                <div class="prop-box">
+                    <h4>NOT_SUPPORTED</h4>
+                    <p>以非事务运行，挂起当前事务</p>
+                    <p style="font-size:0.85em;color:#666;">不需要事务的操作</p>
+                </div>
+                <div class="prop-box">
+                    <h4>MANDATORY</h4>
+                    <p>必须在事务中运行，否则抛异常</p>
+                    <p style="font-size:0.85em;color:#666;">强制要求事务</p>
+                </div>
+                <div class="prop-box">
+                    <h4>NEVER</h4>
+                    <p>不能在事务中运行，否则抛异常</p>
+                    <p style="font-size:0.85em;color:#666;">确保无事务</p>
+                </div>
+            </div>
+            <button class="btn" onclick="loadPropagation()">查看详细说明</button>
+            <div id="propResult" class="result"></div>
+        </div>
+        
+        <div class="card">
+            <h3>🔒 隔离级别 (Isolation)</h3>
+            <table>
+                <tr><th>级别</th><th>脏读</th><th>不可重复读</th><th>幻读</th><th>说明</th></tr>
+                <tr><td>READ_UNCOMMITTED</td><td>❌</td><td>❌</td><td>❌</td><td>读未提交，性能最高</td></tr>
+                <tr><td>READ_COMMITTED</td><td>✅</td><td>❌</td><td>❌</td><td>读已提交，Oracle默认</td></tr>
+                <tr><td>REPEATABLE_READ</td><td>✅</td><td>✅</td><td>❌</td><td>可重复读，MySQL默认</td></tr>
+                <tr><td>SERIALIZABLE</td><td>✅</td><td>✅</td><td>✅</td><td>串行化，性能最低</td></tr>
+            </table>
+            <p style="margin-top:10px;color:#666;">✅ = 防止该问题 | ❌ = 可能出现该问题</p>
+            <button class="btn" onclick="loadIsolation()">查看详细说明</button>
+            <div id="isoResult" class="result"></div>
+        </div>
+        
+        <div class="card">
+            <h3>🧪 事务回滚演示</h3>
+            <p>创建订单时触发异常，观察事务回滚效果</p>
+            <button class="btn" onclick="loadRollback()">查看回滚规则</button>
+            <div id="rollbackResult" class="result"></div>
+        </div>
+    </div>
+    
+    <script>
+        async function loadPropagation() {
+            const result = document.getElementById('propResult');
+            result.textContent = '加载中...';
+            try {
+                const res = await fetch('/api/learning/transaction/propagation');
+                const data = await res.json();
+                result.innerHTML = `<strong>传播行为详解</strong>\n\n${JSON.stringify(data, null, 2)}`;
+            } catch (e) {
+                result.textContent = '加载失败: ' + e.message;
+            }
+        }
+        
+        async function loadIsolation() {
+            const result = document.getElementById('isoResult');
+            result.textContent = '加载中...';
+            try {
+                const res = await fetch('/api/learning/transaction/isolation');
+                const data = await res.json();
+                result.innerHTML = `<strong>隔离级别详解</strong>\n\n${JSON.stringify(data, null, 2)}`;
+            } catch (e) {
+                result.textContent = '加载失败: ' + e.message;
+            }
+        }
+        
+        async function loadRollback() {
+            const result = document.getElementById('rollbackResult');
+            result.textContent = '加载中...';
+            try {
+                const res = await fetch('/api/learning/transaction/rollback');
+                const data = await res.json();
+                result.innerHTML = `<strong>回滚规则</strong>\n\n${JSON.stringify(data, null, 2)}`;
+            } catch (e) {
+                result.textContent = '加载失败: ' + e.message;
+            }
+        }
+    </script>
+</body>
+</html>
\ No newline at end of file
diff --git a/src/main/resources/static/users.html b/src/main/resources/static/users.html
new file mode 100644
index 0000000..bdde258
--- /dev/null
+++ b/src/main/resources/static/users.html
@@ -0,0 +1,278 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>用户管理 - Spring Boot CRUD</title>
+    <style>
+        * { margin: 0; padding: 0; box-sizing: border-box; }
+        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f5f5f5; }
+        .container { max-width: 1400px; margin: 0 auto; padding: 20px; }
+        
+        .header { background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%); color: white; padding: 30px 20px; text-align: center; margin-bottom: 20px; border-radius: 10px; }
+        .header h1 { font-size: 2em; }
+        
+        .nav { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; justify-content: center; }
+        .nav a { padding: 10px 20px; background: white; border-radius: 20px; text-decoration: none; color: #333; font-size: 0.9em; }
+        .nav a:hover, .nav a.active { background: #11998e; color: white; }
+        
+        .card { background: white; border-radius: 10px; padding: 20px; margin-bottom: 20px; box-shadow: 0 2px 10px rgba(0,0,0,0.08); }
+        .card h3 { color: #11998e; margin-bottom: 15px; border-bottom: 2px solid #eee; padding-bottom: 10px; }
+        
+        .form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 15px; margin-bottom: 20px; }
+        .form-group { display: flex; flex-direction: column; }
+        .form-group label { margin-bottom: 5px; color: #666; font-size: 0.9em; }
+        .form-group input, .form-group textarea { padding: 10px; border: 1px solid #ddd; border-radius: 5px; font-size: 1em; }
+        .form-group input:focus, .form-group textarea:focus { outline: none; border-color: #11998e; }
+        
+        .btn { padding: 10px 20px; border: none; border-radius: 5px; cursor: pointer; font-size: 1em; margin: 5px; }
+        .btn-primary { background: #11998e; color: white; }
+        .btn-primary:hover { background: #0d7a6e; }
+        .btn-secondary { background: #6c757d; color: white; }
+        .btn-danger { background: #dc3545; color: white; }
+        .btn-warning { background: #ffc107; color: #333; }
+        
+        table { width: 100%; border-collapse: collapse; margin-top: 20px; }
+        th, td { padding: 12px; text-align: left; border-bottom: 1px solid #eee; }
+        th { background: #f8f9fa; font-weight: 600; }
+        tr:hover { background: #f8f9fa; }
+        .actions { display: flex; gap: 5px; }
+        .actions button { padding: 5px 10px; font-size: 0.85em; }
+        
+        .badge { padding: 4px 8px; border-radius: 4px; font-size: 0.8em; }
+        .badge-active { background: #28a745; color: white; }
+        .badge-inactive { background: #6c757d; color: white; }
+        
+        .search-box { display: flex; gap: 10px; margin-bottom: 20px; }
+        .search-box input { flex: 1; padding: 10px; border: 1px solid #ddd; border-radius: 5px; }
+        
+        .result { background: #1e1e1e; color: #d4d4d4; padding: 15px; border-radius: 5px; margin-top: 10px; font-family: monospace; font-size: 0.9em; overflow-x: auto; max-height: 300px; overflow-y: auto; }
+        .result.success { background: #d4edda; color: #155724; }
+        .result.error { background: #f8d7da; color: #721c24; }
+        
+        .modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 1000; }
+        .modal-content { background: white; margin: 50px auto; padding: 30px; width: 90%; max-width: 600px; border-radius: 10px; }
+        .modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
+        .modal-header h3 { margin: 0; border: none; }
+        .close { font-size: 1.5em; cursor: pointer; color: #999; }
+        .close:hover { color: #333; }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="header">
+            <h1>👥 用户管理</h1>
+            <p>RESTful CRUD 操作演示</p>
+        </div>
+        
+        <div class="nav">
+            <a href="index.html">🏠 首页</a>
+            <a href="ioc.html">📦 IoC</a>
+            <a href="aop.html">🔪 AOP</a>
+            <a href="mybatis.html">💾 MyBatis</a>
+            <a href="transaction.html">🔄 事务</a>
+            <a href="users.html" class="active">👥 用户</a>
+            <a href="api.html">🔌 API</a>
+        </div>
+        
+        <div class="card">
+            <h3>➕ 创建/编辑用户</h3>
+            <form id="userForm">
+                <input type="hidden" id="userId">
+                <div class="form-grid">
+                    <div class="form-group">
+                        <label>用户名 *</label>
+                        <input type="text" id="username" required placeholder="输入用户名">
+                    </div>
+                    <div class="form-group">
+                        <label>邮箱 *</label>
+                        <input type="email" id="email" required placeholder="输入邮箱">
+                    </div>
+                    <div class="form-group">
+                        <label>手机号</label>
+                        <input type="text" id="phone" placeholder="输入手机号">
+                    </div>
+                    <div class="form-group">
+                        <label>状态</label>
+                        <select id="active" style="padding:10px;border:1px solid #ddd;border-radius:5px;">
+                            <option value="true">启用</option>
+                            <option value="false">禁用</option>
+                        </select>
+                    </div>
+                </div>
+                <div class="form-group" style="margin-bottom:15px;">
+                    <label>简介</label>
+                    <textarea id="bio" rows="3" placeholder="输入个人简介"></textarea>
+                </div>
+                <button type="submit" class="btn btn-primary">💾 保存</button>
+                <button type="button" class="btn btn-secondary" onclick="resetForm()">🔄 重置</button>
+            </form>
+            <div id="formResult"></div>
+        </div>
+        
+        <div class="card">
+            <h3>📋 用户列表</h3>
+            <div class="search-box">
+                <input type="text" id="searchInput" placeholder="搜索用户名...">
+                <button class="btn btn-primary" onclick="searchUsers()">🔍 搜索</button>
+                <button class="btn btn-secondary" onclick="loadUsers()">🔄 刷新</button>
+            </div>
+            <table>
+                <thead>
+                    <tr>
+                        <th>ID</th>
+                        <th>用户名</th>
+                        <th>邮箱</th>
+                        <th>手机号</th>
+                        <th>状态</th>
+                        <th>创建时间</th>
+                        <th>操作</th>
+                    </tr>
+                </thead>
+                <tbody id="userTable">
+                    <tr><td colspan="7" style="text-align:center;color:#999;">加载中...</td></tr>
+                </tbody>
+            </table>
+        </div>
+    </div>
+    
+    <script>
+        let users = [];
+        
+        async function loadUsers() {
+            const tbody = document.getElementById('userTable');
+            tbody.innerHTML = '<tr><td colspan="7" style="text-align:center;color:#999;">加载中...</td></tr>';
+            
+            try {
+                const res = await fetch('/api/users');
+                users = await res.json();
+                renderUsers(users);
+            } catch (e) {
+                tbody.innerHTML = `<tr><td colspan="7" style="text-align:center;color:#dc3545;">加载失败: ${e.message}</td></tr>`;
+            }
+        }
+        
+        function renderUsers(data) {
+            const tbody = document.getElementById('userTable');
+            if (data.length === 0) {
+                tbody.innerHTML = '<tr><td colspan="7" style="text-align:center;color:#999;">暂无数据</td></tr>';
+                return;
+            }
+            
+            tbody.innerHTML = data.map(u => `
+                <tr>
+                    <td>${u.id}</td>
+                    <td>${u.username}</td>
+                    <td>${u.email}</td>
+                    <td>${u.phone || '-'}</td>
+                    <td><span class="badge ${u.active ? 'badge-active' : 'badge-inactive'}">${u.active ? '启用' : '禁用'}</span></td>
+                    <td>${u.createdAt ? new Date(u.createdAt).toLocaleString() : '-'}</td>
+                    <td class="actions">
+                        <button class="btn btn-warning" onclick="editUser(${u.id})">✏️ 编辑</button>
+                        <button class="btn btn-danger" onclick="deleteUser(${u.id})">🗑️ 删除</button>
+                    </td>
+                </tr>
+            `).join('');
+        }
+        
+        async function searchUsers() {
+            const keyword = document.getElementById('searchInput').value.trim();
+            if (!keyword) {
+                loadUsers();
+                return;
+            }
+            
+            try {
+                const res = await fetch(`/api/users/search?username=${encodeURIComponent(keyword)}`);
+                const data = await res.json();
+                renderUsers(data);
+            } catch (e) {
+                alert('搜索失败: ' + e.message);
+            }
+        }
+        
+        document.getElementById('userForm').addEventListener('submit', async (e) => {
+            e.preventDefault();
+            
+            const userId = document.getElementById('userId').value;
+            const user = {
+                username: document.getElementById('username').value,
+                email: document.getElementById('email').value,
+                phone: document.getElementById('phone').value,
+                bio: document.getElementById('bio').value,
+                active: document.getElementById('active').value === 'true'
+            };
+            
+            const resultDiv = document.getElementById('formResult');
+            resultDiv.className = 'result';
+            resultDiv.textContent = '保存中...';
+            
+            try {
+                const url = userId ? `/api/users/${userId}` : '/api/users';
+                const method = userId ? 'PUT' : 'POST';
+                
+                const res = await fetch(url, {
+                    method: method,
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify(user)
+                });
+                
+                const data = await res.json();
+                
+                if (res.ok) {
+                    resultDiv.className = 'result success';
+                    resultDiv.innerHTML = `<strong>✅ 保存成功!</strong><br>ID: ${data.id}, 用户名: ${data.username}`;
+                    resetForm();
+                    loadUsers();
+                } else {
+                    resultDiv.className = 'result error';
+                    resultDiv.innerHTML = `<strong>❌ 保存失败</strong><br>${JSON.stringify(data)}`;
+                }
+            } catch (e) {
+                resultDiv.className = 'result error';
+                resultDiv.innerHTML = `<strong>❌ 错误</strong><br>${e.message}`;
+            }
+        });
+        
+        function editUser(id) {
+            const user = users.find(u => u.id === id);
+            if (!user) return;
+            
+            document.getElementById('userId').value = user.id;
+            document.getElementById('username').value = user.username;
+            document.getElementById('email').value = user.email;
+            document.getElementById('phone').value = user.phone || '';
+            document.getElementById('bio').value = user.bio || '';
+            document.getElementById('active').value = user.active.toString();
+            
+            document.getElementById('formResult').innerHTML = '<span style="color:#11998e;">✏️ 正在编辑用户 #' + id + '</span>';
+            window.scrollTo(0, 0);
+        }
+        
+        async function deleteUser(id) {
+            if (!confirm(`确定要删除用户 #${id} 吗？`)) return;
+            
+            try {
+                const res = await fetch(`/api/users/${id}`, { method: 'DELETE' });
+                if (res.ok) {
+                    alert('✅ 删除成功');
+                    loadUsers();
+                } else {
+                    alert('❌ 删除失败');
+                }
+            } catch (e) {
+                alert('删除失败: ' + e.message);
+            }
+        }
+        
+        function resetForm() {
+            document.getElementById('userForm').reset();
+            document.getElementById('userId').value = '';
+            document.getElementById('formResult').innerHTML = '';
+        }
+        
+        // 初始化
+        loadUsers();
+    </script>
+</body>
+</html>
\ No newline at end of file
diff --git a/target/classes/application.properties b/target/classes/application.properties
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--- /dev/null
+++ b/target/classes/application.properties
@@ -0,0 +1,22 @@
+spring.application.name=springboot-scaffold
+server.port=8082
+
+# H2 Database
+spring.h2.console.enabled=true
+spring.datasource.url=jdbc:h2:file:~/h2/springboot_scaffold
+spring.datasource.driverClassName=org.h2.Driver
+spring.datasource.username=sa
+spring.datasource.password=
+
+# JPA
+spring.jpa.hibernate.ddl-auto=update
+spring.jpa.show-sql=true
+spring.jpa.properties.hibernate.format_sql=true
+
+# MyBatis
+mybatis.configuration.map-underscore-to-camel-case=true
+mybatis.configuration.log-impl=org.apache.ibatis.logging.stdout.StdOutImpl
+
+# Logging
+logging.level.com.example.scaffold=DEBUG
+logging.level.org.springframework.transaction.interceptor=TRACE
\ No newline at end of file
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diff --git a/target/classes/static/aop.html b/target/classes/static/aop.html
new file mode 100644
index 0000000..2773d00
--- /dev/null
+++ b/target/classes/static/aop.html
@@ -0,0 +1,159 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>AOP 切面学习 - Spring Boot</title>
+    <style>
+        * { margin: 0; padding: 0; box-sizing: border-box; }
+        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f5f5f5; }
+        .container { max-width: 1400px; margin: 0 auto; padding: 20px; }
+        
+        .header { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); color: white; padding: 30px 20px; text-align: center; margin-bottom: 20px; border-radius: 10px; }
+        .header h1 { font-size: 2em; }
+        
+        .nav { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; justify-content: center; }
+        .nav a { padding: 10px 20px; background: white; border-radius: 20px; text-decoration: none; color: #333; font-size: 0.9em; }
+        .nav a:hover, .nav a.active { background: #f5576c; color: white; }
+        
+        .card { background: white; border-radius: 10px; padding: 20px; margin-bottom: 20px; box-shadow: 0 2px 10px rgba(0,0,0,0.08); }
+        .card h3 { color: #f5576c; margin-bottom: 15px; border-bottom: 2px solid #eee; padding-bottom: 10px; }
+        
+        .advice-box { background: #f8f9fa; border-radius: 8px; padding: 15px; margin: 10px 0; border-left: 4px solid; }
+        .advice-before { border-color: #28a745; }
+        .advice-after { border-color: #6c757d; }
+        .advice-returning { border-color: #17a2b8; }
+        .advice-throwing { border-color: #dc3545; }
+        .advice-around { border-color: #ffc107; }
+        
+        .btn { padding: 10px 20px; background: #f5576c; color: white; border: none; border-radius: 5px; cursor: pointer; margin: 5px; }
+        .btn:hover { background: #e0465b; }
+        
+        .result { background: #1e1e1e; color: #d4d4d4; padding: 15px; border-radius: 5px; margin-top: 10px; font-family: monospace; font-size: 0.9em; overflow-x: auto; max-height: 400px; overflow-y: auto; }
+        
+        .code-block { background: #f4f4f4; padding: 15px; border-radius: 5px; font-family: monospace; font-size: 0.9em; overflow-x: auto; margin: 10px 0; }
+        
+        .flow-diagram { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 10px; padding: 20px; background: #f8f9fa; border-radius: 10px; margin: 15px 0; }
+        .flow-step { padding: 10px 20px; background: white; border-radius: 20px; border: 2px solid #ddd; }
+        .flow-arrow { font-size: 1.5em; color: #999; }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="header">
+            <h1>🔪 AOP 切面编程</h1>
+            <p>Aspect Oriented Programming - 面向切面编程</p>
+        </div>
+        
+        <div class="nav">
+            <a href="index.html">🏠 首页</a>
+            <a href="ioc.html">📦 IoC</a>
+            <a href="aop.html" class="active">🔪 AOP</a>
+            <a href="mybatis.html">💾 MyBatis</a>
+            <a href="transaction.html">🔄 事务</a>
+            <a href="users.html">👥 用户</a>
+            <a href="api.html">🔌 API</a>
+        </div>
+        
+        <div class="card">
+            <h3>📚 核心概念</h3>
+            <p><strong>AOP (面向切面编程)</strong>：将横切关注点（日志、权限、事务等）从业务逻辑中分离出来，实现模块化。</p>
+            <div class="flow-diagram">
+                <div class="flow-step">目标方法</div>
+                <div class="flow-arrow">→</div>
+                <div class="flow-step">@Before</div>
+                <div class="flow-arrow">→</div>
+                <div class="flow-step">@Around (前)</div>
+                <div class="flow-arrow">→</div>
+                <div class="flow-step">方法执行</div>
+                <div class="flow-arrow">→</div>
+                <div class="flow-step">@Around (后)</div>
+                <div class="flow-arrow">→</div>
+                <div class="flow-step">@AfterReturning</div>
+                <div class="flow-arrow">→</div>
+                <div class="flow-step">@After</div>
+            </div>
+        </div>
+        
+        <div class="card">
+            <h3>🔔 五种通知类型</h3>
+            
+            <div class="advice-box advice-before">
+                <h4>@Before - 前置通知</h4>
+                <p>方法执行前触发，可用于参数校验、日志记录</p>
+                <div class="code-block">@Before("execution(* com.example.service..*.*(..))")<br>public void before(JoinPoint jp) {<br>  log.info("即将执行: " + jp.getSignature().getName());<br>}</div>
+            </div>
+            
+            <div class="advice-box advice-after">
+                <h4>@After - 后置通知</h4>
+                <p>方法执行后触发（无论是否异常），可用于资源释放</p>
+                <div class="code-block">@After("execution(* com.example.service..*.*(..))")<br>public void after(JoinPoint jp) {<br>  log.info("执行完成: " + jp.getSignature().getName());<br>}</div>
+            </div>
+            
+            <div class="advice-box advice-returning">
+                <h4>@AfterReturning - 返回通知</h4>
+                <p>方法成功返回后触发，可获取返回值</p>
+                <div class="code-block">@AfterReturning(pointcut="...", returning="result")<br>public void afterReturning(Object result) {<br>  log.info("返回结果: " + result);<br>}</div>
+            </div>
+            
+            <div class="advice-box advice-throwing">
+                <h4>@AfterThrowing - 异常通知</h4>
+                <p>方法抛出异常后触发，可用于异常处理</p>
+                <div class="code-block">@AfterThrowing(pointcut="...", throwing="ex")<br>public void afterThrowing(Exception ex) {<br>  log.error("发生异常: " + ex.getMessage());<br>}</div>
+            </div>
+            
+            <div class="advice-box advice-around">
+                <h4>@Around - 环绕通知</h4>
+                <p>完全控制方法执行，可决定是否执行目标方法</p>
+                <div class="code-block">@Around("execution(* com.example.controller..*.*(..))")<br>public Object around(ProceedingJoinPoint pjp) throws Throwable {<br>  long start = System.currentTimeMillis();<br>  Object result = pjp.proceed(); // 执行目标方法<br>  long cost = System.currentTimeMillis() - start;<br>  log.info("耗时: " + cost + "ms");<br>  return result;<br>}</div>
+            </div>
+        </div>
+        
+        <div class="card">
+            <h3>🧪 在线测试</h3>
+            <p>调用下面的 API，然后查看控制台日志观察 AOP 执行顺序</p>
+            <button class="btn" onclick="testAop()">测试正常执行</button>
+            <button class="btn" onclick="testAopError()">测试异常通知</button>
+            <div id="testResult" class="result"></div>
+        </div>
+        
+        <div class="card">
+            <h3>📝 切入点表达式</h3>
+            <table style="width:100%;border-collapse:collapse;">
+                <tr style="background:#f8f9fa;"><th style="padding:10px;text-align:left;">表达式</th><th style="padding:10px;text-align:left;">含义</th></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">execution(* *(..))</td><td style="padding:10px;border-bottom:1px solid #eee;">匹配所有方法</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">execution(* com.example.service.*.*(..))</td><td style="padding:10px;border-bottom:1px solid #eee;">service包下所有方法</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">execution(* com.example.service..*.*(..))</td><td style="padding:10px;border-bottom:1px solid #eee;">service包及子包所有方法</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">execution(public * *(..))</td><td style="padding:10px;border-bottom:1px solid #eee;">所有public方法</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">@annotation(org.springframework.transaction.annotation.Transactional)</td><td style="padding:10px;border-bottom:1px solid #eee;">带@Transactional的方法</td></tr>
+            </table>
+        </div>
+    </div>
+    
+    <script>
+        async function testAop() {
+            const result = document.getElementById('testResult');
+            result.textContent = '测试中...';
+            try {
+                const res = await fetch('/api/learning/aop/test?message=HelloAOP');
+                const data = await res.json();
+                result.innerHTML = `<strong>✅ 测试成功</strong>\n\n${JSON.stringify(data, null, 2)}\n\n💡 提示: 查看服务器控制台，观察 AOP 通知执行顺序`;
+            } catch (e) {
+                result.textContent = '测试失败: ' + e.message;
+            }
+        }
+        
+        async function testAopError() {
+            const result = document.getElementById('testResult');
+            result.textContent = '测试中...';
+            try {
+                const res = await fetch('/api/learning/aop/test-error?error=true');
+                const data = await res.json();
+                result.innerHTML = `<strong>✅ 正常返回</strong>\n\n${JSON.stringify(data, null, 2)}`;
+            } catch (e) {
+                result.innerHTML = `<strong>❌ 触发异常（预期行为）</strong>\n\n异常信息: ${e.message}\n\n💡 提示: 查看服务器控制台，观察 @AfterThrowing 通知`;
+            }
+        }
+    </script>
+</body>
+</html>
\ No newline at end of file
diff --git a/target/classes/static/api.html b/target/classes/static/api.html
new file mode 100644
index 0000000..d801914
--- /dev/null
+++ b/target/classes/static/api.html
@@ -0,0 +1,280 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>API 测试面板 - Spring Boot</title>
+    <style>
+        * { margin: 0; padding: 0; box-sizing: border-box; }
+        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f5f5f5; }
+        .container { max-width: 1400px; margin: 0 auto; padding: 20px; }
+        
+        .header { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 30px 20px; text-align: center; margin-bottom: 20px; border-radius: 10px; }
+        .header h1 { font-size: 2em; }
+        
+        .nav { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; justify-content: center; }
+        .nav a { padding: 10px 20px; background: white; border-radius: 20px; text-decoration: none; color: #333; font-size: 0.9em; }
+        .nav a:hover, .nav a.active { background: #667eea; color: white; }
+        
+        .card { background: white; border-radius: 10px; padding: 20px; margin-bottom: 20px; box-shadow: 0 2px 10px rgba(0,0,0,0.08); }
+        .card h3 { color: #667eea; margin-bottom: 15px; border-bottom: 2px solid #eee; padding-bottom: 10px; }
+        
+        .api-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 15px; }
+        .api-item { background: #f8f9fa; border-radius: 8px; padding: 15px; border-left: 4px solid; }
+        .api-item.get { border-color: #28a745; }
+        .api-item.post { border-color: #007bff; }
+        .api-item.put { border-color: #ffc107; }
+        .api-item.delete { border-color: #dc3545; }
+        
+        .method { display: inline-block; padding: 3px 8px; border-radius: 4px; font-size: 0.75em; font-weight: bold; margin-right: 8px; }
+        .method.get { background: #28a745; color: white; }
+        .method.post { background: #007bff; color: white; }
+        .method.put { background: #ffc107; color: #333; }
+        .method.delete { background: #dc3545; color: white; }
+        
+        .btn { padding: 8px 16px; border: none; border-radius: 5px; cursor: pointer; font-size: 0.9em; margin-top: 10px; }
+        .btn-primary { background: #667eea; color: white; }
+        .btn-primary:hover { background: #5a6fd6; }
+        
+        .result { background: #1e1e1e; color: #d4d4d4; padding: 15px; border-radius: 5px; margin-top: 10px; font-family: monospace; font-size: 0.85em; overflow-x: auto; max-height: 200px; overflow-y: auto; display: none; }
+        .result.show { display: block; }
+        
+        .url { font-family: monospace; color: #666; font-size: 0.9em; word-break: break-all; }
+        
+        .tabs { display: flex; gap: 5px; margin-bottom: 20px; border-bottom: 2px solid #eee; }
+        .tab { padding: 10px 20px; cursor: pointer; border-bottom: 2px solid transparent; }
+        .tab.active { border-bottom-color: #667eea; color: #667eea; font-weight: 600; }
+        
+        .tab-content { display: none; }
+        .tab-content.active { display: block; }
+        
+        .json-input { width: 100%; min-height: 100px; padding: 10px; border: 1px solid #ddd; border-radius: 5px; font-family: monospace; font-size: 0.9em; }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="header">
+            <h1>🔌 API 测试面板</h1>
+            <p>在线测试所有 RESTful API</p>
+        </div>
+        
+        <div class="nav">
+            <a href="index.html">🏠 首页</a>
+            <a href="ioc.html">📦 IoC</a>
+            <a href="aop.html">🔪 AOP</a>
+            <a href="mybatis.html">💾 MyBatis</a>
+            <a href="transaction.html">🔄 事务</a>
+            <a href="users.html">👥 用户</a>
+            <a href="api.html" class="active">🔌 API</a>
+        </div>
+        
+        <div class="tabs">
+            <div class="tab active" onclick="switchTab('user')">👥 用户 API</div>
+            <div class="tab" onclick="switchTab('product')">📦 产品 API</div>
+            <div class="tab" onclick="switchTab('order')">🛒 订单 API</div>
+            <div class="tab" onclick="switchTab('learning')">📚 学习 API</div>
+        </div>
+        
+        <!-- 用户 API -->
+        <div id="userTab" class="tab-content active">
+            <div class="card">
+                <h3>用户管理 API</h3>
+                <div class="api-grid">
+                    <div class="api-item get">
+                        <span class="method get">GET</span>
+                        <strong>获取所有用户</strong>
+                        <div class="url">/api/users</div>
+                        <button class="btn btn-primary" onclick="testApi('GET', '/api/users', null, 'userResult1')">测试</button>
+                        <div id="userResult1" class="result"></div>
+                    </div>
+                    
+                    <div class="api-item get">
+                        <span class="method get">GET</span>
+                        <strong>获取单个用户</strong>
+                        <div class="url">/api/users/{id}</div>
+                        <input type="number" id="userId" placeholder="用户ID" style="width:80px;padding:5px;margin-top:5px;">
+                        <button class="btn btn-primary" onclick="testApi('GET', '/api/users/' + document.getElementById('userId').value, null, 'userResult2')">测试</button>
+                        <div id="userResult2" class="result"></div>
+                    </div>
+                    
+                    <div class="api-item post">
+                        <span class="method post">POST</span>
+                        <strong>创建用户</strong>
+                        <div class="url">/api/users</div>
+                        <textarea class="json-input" id="createUserJson">{
+  "username": "testuser",
+  "email": "test@example.com",
+  "phone": "13800138000",
+  "bio": "测试用户"
+}</textarea>
+                        <button class="btn btn-primary" onclick="testApi('POST', '/api/users', document.getElementById('createUserJson').value, 'userResult3')">测试</button>
+                        <div id="userResult3" class="result"></div>
+                    </div>
+                    
+                    <div class="api-item get">
+                        <span class="method get">GET</span>
+                        <strong>搜索用户</strong>
+                        <div class="url">/api/users/search?username={name}</div>
+                        <input type="text" id="searchName" placeholder="用户名关键词" style="padding:5px;margin-top:5px;">
+                        <button class="btn btn-primary" onclick="testApi('GET', '/api/users/search?username=' + encodeURIComponent(document.getElementById('searchName').value), null, 'userResult4')">测试</button>
+                        <div id="userResult4" class="result"></div>
+                    </div>
+                </div>
+            </div>
+        </div>
+        
+        <!-- 产品 API -->
+        <div id="productTab" class="tab-content">
+            <div class="card">
+                <h3>产品管理 API</h3>
+                <div class="api-grid">
+                    <div class="api-item get">
+                        <span class="method get">GET</span>
+                        <strong>获取所有产品</strong>
+                        <div class="url">/api/products</div>
+                        <button class="btn btn-primary" onclick="testApi('GET', '/api/products', null, 'productResult1')">测试</button>
+                        <div id="productResult1" class="result"></div>
+                    </div>
+                    
+                    <div class="api-item post">
+                        <span class="method post">POST</span>
+                        <strong>创建产品</strong>
+                        <div class="url">/api/products</div>
+                        <textarea class="json-input" id="createProductJson">{
+  "name": "iPhone 15",
+  "description": "最新款苹果手机",
+  "price": 5999.00,
+  "stockQuantity": 100,
+  "category": "手机"
+}</textarea>
+                        <button class="btn btn-primary" onclick="testApi('POST', '/api/products', document.getElementById('createProductJson').value, 'productResult2')">测试</button>
+                        <div id="productResult2" class="result"></div>
+                    </div>
+                </div>
+            </div>
+        </div>
+        
+        <!-- 订单 API -->
+        <div id="orderTab" class="tab-content">
+            <div class="card">
+                <h3>订单管理 API (演示事务)</h3>
+                <div class="api-grid">
+                    <div class="api-item get">
+                        <span class="method get">GET</span>
+                        <strong>获取所有订单</strong>
+                        <div class="url">/api/orders</div>
+                        <button class="btn btn-primary" onclick="testApi('GET', '/api/orders', null, 'orderResult1')">测试</button>
+                        <div id="orderResult1" class="result"></div>
+                    </div>
+                    
+                    <div class="api-item post">
+                        <span class="method post">POST</span>
+                        <strong>创建订单</strong>
+                        <div class="url">/api/orders</div>
+                        <textarea class="json-input" id="createOrderJson">{
+  "userId": 1,
+  "productId": 1,
+  "quantity": 1,
+  "rollback": false
+}</textarea>
+                        <button class="btn btn-primary" onclick="testApi('POST', '/api/orders', document.getElementById('createOrderJson').value, 'orderResult2')">测试</button>
+                        <div id="orderResult2" class="result"></div>
+                    </div>
+                    
+                    <div class="api-item post">
+                        <span class="method post">POST</span>
+                        <strong>创建订单(触发回滚)</strong>
+                        <div class="url">/api/orders (rollback=true)</div>
+                        <textarea class="json-input" id="rollbackOrderJson">{
+  "userId": 1,
+  "productId": 1,
+  "quantity": 1,
+  "rollback": true
+}</textarea>
+                        <button class="btn btn-primary" onclick="testApi('POST', '/api/orders', document.getElementById('rollbackOrderJson').value, 'orderResult3')">测试</button>
+                        <div id="orderResult3" class="result"></div>
+                    </div>
+                </div>
+            </div>
+        </div>
+        
+        <!-- 学习 API -->
+        <div id="learningTab" class="tab-content">
+            <div class="card">
+                <h3>学习 API</h3>
+                <div class="api-grid">
+                    <div class="api-item get">
+                        <span class="method get">GET</span>
+                        <strong>IoC - 查看所有 Bean</strong>
+                        <div class="url">/api/learning/ioc/beans</div>
+                        <button class="btn btn-primary" onclick="testApi('GET', '/api/learning/ioc/beans', null, 'learnResult1')">测试</button>
+                        <div id="learnResult1" class="result"></div>
+                    </div>
+                    
+                    <div class="api-item get">
+                        <span class="method get">GET</span>
+                        <strong>AOP - 概念</strong>
+                        <div class="url">/api/learning/aop/concepts</div>
+                        <button class="btn btn-primary" onclick="testApi('GET', '/api/learning/aop/concepts', null, 'learnResult2')">测试</button>
+                        <div id="learnResult2" class="result"></div>
+                    </div>
+                    
+                    <div class="api-item get">
+                        <span class="method get">GET</span>
+                        <strong>MyBatis - 配置</strong>
+                        <div class="url">/api/learning/mybatis/config</div>
+                        <button class="btn btn-primary" onclick="testApi('GET', '/api/learning/mybatis/config', null, 'learnResult3')">测试</button>
+                        <div id="learnResult3" class="result"></div>
+                    </div>
+                    
+                    <div class="api-item get">
+                        <span class="method get">GET</span>
+                        <strong>事务 - 传播行为</strong>
+                        <div class="url">/api/learning/transaction/propagation</div>
+                        <button class="btn btn-primary" onclick="testApi('GET', '/api/learning/transaction/propagation', null, 'learnResult4')">测试</button>
+                        <div id="learnResult4" class="result"></div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+    
+    <script>
+        function switchTab(tab) {
+            document.querySelectorAll('.tab').forEach(t => t.classList.remove('active'));
+            document.querySelectorAll('.tab-content').forEach(t => t.classList.remove('active'));
+            
+            event.target.classList.add('active');
+            document.getElementById(tab + 'Tab').classList.add('active');
+        }
+        
+        async function testApi(method, url, body, resultId) {
+            const resultDiv = document.getElementById(resultId);
+            resultDiv.classList.add('show');
+            resultDiv.textContent = '请求中...';
+            
+            try {
+                const options = {
+                    method: method,
+                    headers: {}
+                };
+                
+                if (body) {
+                    options.headers['Content-Type'] = 'application/json';
+                    options.body = body;
+                }
+                
+                const startTime = Date.now();
+                const res = await fetch(url, options);
+                const duration = Date.now() - startTime;
+                
+                const data = await res.json();
+                
+                resultDiv.innerHTML = `<strong>${res.status} ${res.statusText}</strong> (${duration}ms)\n\n${JSON.stringify(data, null, 2)}`;
+            } catch (e) {
+                resultDiv.innerHTML = `<strong style="color:#ff6b6b;">Error</strong>\n\n${e.message}`;
+            }
+        }
+    </script>
+</body>
+</html>
\ No newline at end of file
diff --git a/target/classes/static/index.html b/target/classes/static/index.html
new file mode 100644
index 0000000..d137181
--- /dev/null
+++ b/target/classes/static/index.html
@@ -0,0 +1,203 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Spring Boot 学习中心</title>
+    <style>
+        * { margin: 0; padding: 0; box-sizing: border-box; }
+        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f5f5f5; }
+        .container { max-width: 1400px; margin: 0 auto; padding: 20px; }
+        
+        .header { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 40px 20px; text-align: center; margin-bottom: 30px; border-radius: 10px; }
+        .header h1 { font-size: 2.5em; margin-bottom: 10px; }
+        .header p { opacity: 0.9; font-size: 1.1em; }
+        
+        .nav { display: flex; gap: 10px; margin-bottom: 30px; flex-wrap: wrap; justify-content: center; }
+        .nav a { padding: 12px 24px; background: white; border-radius: 25px; text-decoration: none; color: #333; font-weight: 500; transition: all 0.3s; border: 2px solid #e0e0e0; }
+        .nav a:hover, .nav a.active { background: #667eea; color: white; border-color: #667eea; }
+        
+        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
+        
+        .card { background: white; border-radius: 15px; padding: 25px; box-shadow: 0 5px 20px rgba(0,0,0,0.08); transition: transform 0.3s; }
+        .card:hover { transform: translateY(-5px); }
+        .card h3 { color: #333; margin-bottom: 15px; font-size: 1.3em; }
+        .card p { color: #666; line-height: 1.6; margin-bottom: 15px; }
+        .card .btn { display: inline-block; padding: 10px 20px; background: #667eea; color: white; text-decoration: none; border-radius: 20px; font-size: 0.9em; }
+        .card .btn:hover { background: #5a6fd6; }
+        
+        .feature-list { list-style: none; }
+        .feature-list li { padding: 8px 0; border-bottom: 1px solid #eee; }
+        .feature-list li:last-child { border-bottom: none; }
+        .feature-list .icon { margin-right: 8px; }
+        
+        .api-test { background: #1e1e1e; border-radius: 10px; padding: 20px; margin-top: 20px; }
+        .api-test h4 { color: #4ec9b0; margin-bottom: 15px; }
+        .api-test pre { color: #d4d4d4; overflow-x: auto; font-size: 0.85em; }
+        .api-test .method { color: #569cd6; }
+        .api-test .url { color: #4ec9b0; }
+        
+        .status { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 30px; }
+        .status-item { background: white; padding: 20px 30px; border-radius: 10px; text-align: center; }
+        .status-item .value { font-size: 2em; font-weight: bold; color: #667eea; }
+        .status-item .label { color: #666; margin-top: 5px; }
+        
+        footer { text-align: center; padding: 30px; color: #666; margin-top: 40px; }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="header">
+            <h1>🍃 Spring Boot 学习中心</h1>
+            <p>交互式学习 Spring 核心功能 | IoC · AOP · MyBatis · 事务</p>
+        </div>
+        
+        <div class="status">
+            <div class="status-item">
+                <div class="value" id="beanCount">-</div>
+                <div class="label">已加载 Bean</div>
+            </div>
+            <div class="status-item">
+                <div class="value" id="userCount">-</div>
+                <div class="label">用户数量</div>
+            </div>
+            <div class="status-item">
+                <div class="value" id="productCount">-</div>
+                <div class="label">产品数量</div>
+            </div>
+            <div class="status-item">
+                <div class="value" id="orderCount">-</div>
+                <div class="label">订单数量</div>
+            </div>
+        </div>
+        
+        <div class="nav">
+            <a href="index.html" class="active">🏠 首页</a>
+            <a href="ioc.html">📦 IoC 容器</a>
+            <a href="aop.html">🔪 AOP 切面</a>
+            <a href="mybatis.html">💾 MyBatis</a>
+            <a href="transaction.html">🔄 事务管理</a>
+            <a href="users.html">👥 用户管理</a>
+            <a href="api.html">🔌 API 测试</a>
+        </div>
+        
+        <div class="grid">
+            <div class="card">
+                <h3>📦 IoC 容器</h3>
+                <p>理解 Spring 的核心：控制反转和依赖注入。学习 Bean 的生命周期、作用域和各种注入方式。</p>
+                <ul class="feature-list">
+                    <li><span class="icon">✅</span>Bean 生命周期演示</li>
+                    <li><span class="icon">✅</span>依赖注入方式对比</li>
+                    <li><span class="icon">✅</span>Bean 作用域详解</li>
+                    <li><span class="icon">✅</span>性能统计面板</li>
+                </ul>
+                <a href="ioc.html" class="btn">开始学习 →</a>
+            </div>
+            
+            <div class="card">
+                <h3>🔪 AOP 切面编程</h3>
+                <p>掌握面向切面编程，实现日志、性能监控、事务等横切关注点的模块化管理。</p>
+                <ul class="feature-list">
+                    <li><span class="icon">✅</span>5 种通知类型演示</li>
+                    <li><span class="icon">✅</span>切入点表达式语法</li>
+                    <li><span class="icon">✅</span>实时日志展示</li>
+                    <li><span class="icon">✅</span>性能监控切面</li>
+                </ul>
+                <a href="aop.html" class="btn">开始学习 →</a>
+            </div>
+            
+            <div class="card">
+                <h3>💾 MyBatis 集成</h3>
+                <p>学习 MyBatis 与 Spring Boot 的整合，对比 JPA，掌握动态 SQL 和缓存机制。</p>
+                <ul class="feature-list">
+                    <li><span class="icon">✅</span>MyBatis vs JPA 对比</li>
+                    <li><span class="icon">✅</span>动态 SQL 语法</li>
+                    <li><span class="icon">✅</span>一级/二级缓存演示</li>
+                    <li><span class="icon">✅</span>批量操作示例</li>
+                </ul>
+                <a href="mybatis.html" class="btn">开始学习 →</a>
+            </div>
+            
+            <div class="card">
+                <h3>🔄 事务管理</h3>
+                <p>深入理解 Spring 声明式事务，掌握传播行为和隔离级别的实际应用。</p>
+                <ul class="feature-list">
+                    <li><span class="icon">✅</span>事务传播行为</li>
+                    <li><span class="icon">✅</span>事务隔离级别</li>
+                    <li><span class="icon">✅</span>回滚机制演示</li>
+                    <li><span class="icon">✅</span>订单创建场景</li>
+                </ul>
+                <a href="transaction.html" class="btn">开始学习 →</a>
+            </div>
+            
+            <div class="card">
+                <h3>👥 用户管理 CRUD</h3>
+                <p>完整的 RESTful API 示例，演示增删改查操作和参数验证。</p>
+                <ul class="feature-list">
+                    <li><span class="icon">✅</span>RESTful 设计规范</li>
+                    <li><span class="icon">✅</span>参数验证</li>
+                    <li><span class="icon">✅</span>异常处理</li>
+                    <li><span class="icon">✅</span>交互式测试</li>
+                </ul>
+                <a href="users.html" class="btn">开始学习 →</a>
+            </div>
+            
+            <div class="card">
+                <h3>🔌 API 测试面板</h3>
+                <p>在线测试所有 API 接口，查看请求响应，理解 RESTful API 工作原理。</p>
+                <ul class="feature-list">
+                    <li><span class="icon">✅</span>用户 API</li>
+                    <li><span class="icon">✅</span>产品 API</li>
+                    <li><span class="icon">✅</span>订单 API</li>
+                    <li><span class="icon">✅</span>学习 API</li>
+                </ul>
+                <a href="api.html" class="btn">开始测试 →</a>
+            </div>
+        </div>
+        
+        <div class="api-test">
+            <h4>🚀 快速开始 - API 示例</h4>
+            <pre>
+<span class="method">GET</span>  <span class="url">/api/users</span>           # 获取所有用户
+<span class="method">GET</span>  <span class="url">/api/users/{id}</span>       # 获取单个用户
+<span class="method">POST</span> <span class="url">/api/users</span>           # 创建用户
+<span class="method">PUT</span>  <span class="url">/api/users/{id}</span>       # 更新用户
+<span class="method">DEL</span>  <span class="url">/api/users/{id}</span>       # 删除用户
+
+<span class="method">GET</span>  <span class="url">/api/learning/ioc/beans</span>      # 查看所有 Bean
+<span class="method">GET</span>  <span class="url">/api/learning/aop/concepts</span>   # AOP 概念
+<span class="method">GET</span>  <span class="url">/api/learning/mybatis/cache</span>  # 缓存机制
+<span class="method">GET</span>  <span class="url">/api/learning/transaction/propagation</span>  # 传播行为
+            </pre>
+        </div>
+        
+        <footer>
+            <p>🍃 Spring Boot 学习脚手架 | <a href="/h2-console" target="_blank">H2 控制台</a> (JDBC: jdbc:h2:file:~/h2/springboot_scaffold, 用户: sa)</p>
+        </footer>
+    </div>
+    
+    <script>
+        // 加载状态数据
+        async function loadStatus() {
+            try {
+                const [beans, users, products, orders] = await Promise.all([
+                    fetch('/api/learning/ioc/beans').then(r => r.json()),
+                    fetch('/api/users/count').then(r => r.json()),
+                    fetch('/api/products').then(r => r.json()),
+                    fetch('/api/orders').then(r => r.json())
+                ]);
+                
+                document.getElementById('beanCount').textContent = beans.total || '-';
+                document.getElementById('userCount').textContent = users.count || 0;
+                document.getElementById('productCount').textContent = products.length || 0;
+                document.getElementById('orderCount').textContent = orders.length || 0;
+            } catch (e) {
+                console.error('加载状态失败:', e);
+            }
+        }
+        
+        loadStatus();
+        setInterval(loadStatus, 30000);
+    </script>
+</body>
+</html>
\ No newline at end of file
diff --git a/target/classes/static/ioc.html b/target/classes/static/ioc.html
new file mode 100644
index 0000000..473f3f1
--- /dev/null
+++ b/target/classes/static/ioc.html
@@ -0,0 +1,175 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>IoC 容器学习 - Spring Boot</title>
+    <style>
+        * { margin: 0; padding: 0; box-sizing: border-box; }
+        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f5f5f5; }
+        .container { max-width: 1400px; margin: 0 auto; padding: 20px; }
+        
+        .header { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 30px 20px; text-align: center; margin-bottom: 20px; border-radius: 10px; }
+        .header h1 { font-size: 2em; }
+        
+        .nav { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; justify-content: center; }
+        .nav a { padding: 10px 20px; background: white; border-radius: 20px; text-decoration: none; color: #333; font-size: 0.9em; }
+        .nav a:hover, .nav a.active { background: #667eea; color: white; }
+        
+        .card { background: white; border-radius: 10px; padding: 20px; margin-bottom: 20px; box-shadow: 0 2px 10px rgba(0,0,0,0.08); }
+        .card h3 { color: #667eea; margin-bottom: 15px; border-bottom: 2px solid #eee; padding-bottom: 10px; }
+        
+        .concept-box { background: #f8f9fa; border-left: 4px solid #667eea; padding: 15px; margin: 10px 0; border-radius: 5px; }
+        .concept-box h4 { color: #333; margin-bottom: 10px; }
+        
+        .btn { padding: 10px 20px; background: #667eea; color: white; border: none; border-radius: 5px; cursor: pointer; margin: 5px; }
+        .btn:hover { background: #5a6fd6; }
+        .btn-secondary { background: #6c757d; }
+        
+        .result { background: #1e1e1e; color: #d4d4d4; padding: 15px; border-radius: 5px; margin-top: 10px; font-family: monospace; font-size: 0.9em; overflow-x: auto; max-height: 400px; overflow-y: auto; }
+        
+        table { width: 100%; border-collapse: collapse; margin: 10px 0; }
+        th, td { padding: 10px; text-align: left; border-bottom: 1px solid #eee; }
+        th { background: #f8f9fa; font-weight: 600; }
+        tr:hover { background: #f8f9fa; }
+        
+        .badge { padding: 4px 8px; border-radius: 4px; font-size: 0.8em; }
+        .badge-primary { background: #667eea; color: white; }
+        .badge-success { background: #28a745; color: white; }
+        .badge-warning { background: #ffc107; color: #333; }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="header">
+            <h1>📦 IoC 容器学习</h1>
+            <p>控制反转 (Inversion of Control) 与依赖注入 (Dependency Injection)</p>
+        </div>
+        
+        <div class="nav">
+            <a href="index.html">🏠 首页</a>
+            <a href="ioc.html" class="active">📦 IoC</a>
+            <a href="aop.html">🔪 AOP</a>
+            <a href="mybatis.html">💾 MyBatis</a>
+            <a href="transaction.html">🔄 事务</a>
+            <a href="users.html">👥 用户</a>
+            <a href="api.html">🔌 API</a>
+        </div>
+        
+        <div class="card">
+            <h3>📚 核心概念</h3>
+            <div class="concept-box">
+                <h4>什么是 IoC？</h4>
+                <p><strong>控制反转 (Inversion of Control)</strong>：将对象的创建和管理交给 Spring 容器，而不是由开发者手动创建。</p>
+                <p><strong>依赖注入 (Dependency Injection)</strong>：IoC 的一种实现方式，通过构造器、Setter 或字段将依赖注入到对象中。</p>
+            </div>
+            <div class="concept-box">
+                <h4>为什么用 IoC？</h4>
+                <ul>
+                    <li>✅ <strong>解耦</strong>：对象之间不直接依赖，通过接口交互</li>
+                    <li>✅ <strong>可测试</strong>：方便使用 Mock 对象进行单元测试</li>
+                    <li>✅ <strong>可维护</strong>：集中管理对象生命周期</li>
+                    <li>✅ <strong>AOP 支持</strong>：便于实现切面编程</li>
+                </ul>
+            </div>
+        </div>
+        
+        <div class="card">
+            <h3>🔍 查看所有 Bean</h3>
+            <p>Spring 容器中管理的所有 Bean 对象</p>
+            <button class="btn" onclick="loadBeans()">刷新 Bean 列表</button>
+            <button class="btn btn-secondary" onclick="document.getElementById('beansResult').innerHTML=''">清空</button>
+            <div id="beansResult" class="result"></div>
+        </div>
+        
+        <div class="card">
+            <h3>📊 Bean 作用域</h3>
+            <table>
+                <tr><th>作用域</th><th>说明</th><th>使用场景</th></tr>
+                <tr><td><span class="badge badge-primary">singleton</span></td><td>默认，整个应用只有一个实例</td><td>无状态的服务、配置类</td></tr>
+                <tr><td><span class="badge badge-success">prototype</span></td><td>每次请求都创建新实例</td><td>有状态的对象</td></tr>
+                <tr><td><span class="badge badge-warning">request</span></td><td>每个 HTTP 请求一个实例</td><td>Web 应用</td></tr>
+                <tr><td><span class="badge badge-warning">session</span></td><td>每个 HTTP 会话一个实例</td><td>用户会话数据</td></tr>
+            </table>
+            <button class="btn" onclick="testScopes()">测试作用域</button>
+            <div id="scopesResult" class="result"></div>
+        </div>
+        
+        <div class="card">
+            <h3>⚡ 性能统计</h3>
+            <p>实时监控方法执行时间和调用次数</p>
+            <button class="btn" onclick="loadPerformance()">刷新统计</button>
+            <button class="btn btn-secondary" onclick="resetPerformance()">重置统计</button>
+            <div id="performanceResult" class="result"></div>
+        </div>
+        
+        <div class="card">
+            <h3>💉 依赖注入方式对比</h3>
+            <table>
+                <tr><th>方式</th><th>优点</th><th>缺点</th><th>推荐度</th></tr>
+                <tr><td>构造器注入</td><td>明确依赖、不可变、易测试</td><td>参数多时代码长</td><td>⭐⭐⭐⭐⭐</td></tr>
+                <tr><td>Setter 注入</td><td>可选依赖、灵活</td><td>可能为 null</td><td>⭐⭐⭐</td></tr>
+                <tr><td>字段注入</td><td>代码简洁</td><td>隐藏依赖、难测试</td><td>⭐</td></tr>
+            </table>
+        </div>
+    </div>
+    
+    <script>
+        async function loadBeans() {
+            const result = document.getElementById('beansResult');
+            result.textContent = '加载中...';
+            try {
+                const res = await fetch('/api/learning/ioc/beans');
+                const data = await res.json();
+                result.innerHTML = `<strong>总 Bean 数: ${data.total}</strong>\n\n用户相关 Bean:\n${data.userBeans.map(b => '  - ' + b).join('\n')}`;
+            } catch (e) {
+                result.textContent = '加载失败: ' + e.message;
+            }
+        }
+        
+        async function testScopes() {
+            const result = document.getElementById('scopesResult');
+            try {
+                const res = await fetch('/api/learning/ioc/scopes');
+                const data = await res.json();
+                result.innerHTML = JSON.stringify(data, null, 2);
+            } catch (e) {
+                result.textContent = '测试失败: ' + e.message;
+            }
+        }
+        
+        async function loadPerformance() {
+            const result = document.getElementById('performanceResult');
+            result.textContent = '加载中...';
+            try {
+                const res = await fetch('/api/learning/ioc/performance');
+                const data = await res.json();
+                if (Object.keys(data).length === 0) {
+                    result.textContent = '暂无性能数据，请先调用一些 API';
+                    return;
+                }
+                let html = '<table><tr><th>方法</th><th>调用次数</th><th>错误数</th><th>平均耗时(ms)</th><th>最大耗时(ms)</th></tr>';
+                for (const [key, val] of Object.entries(data)) {
+                    html += `<tr><td>${key}</td><td>${val.count}</td><td>${val.errors}</td><td>${val.avgMs}</td><td>${val.maxMs}</td></tr>`;
+                }
+                html += '</table>';
+                result.innerHTML = html;
+            } catch (e) {
+                result.textContent = '加载失败: ' + e.message;
+            }
+        }
+        
+        async function resetPerformance() {
+            try {
+                await fetch('/api/learning/ioc/performance/reset', { method: 'POST' });
+                loadPerformance();
+            } catch (e) {
+                alert('重置失败: ' + e.message);
+            }
+        }
+        
+        loadBeans();
+        loadPerformance();
+    </script>
+</body>
+</html>
\ No newline at end of file
diff --git a/target/classes/static/mybatis.html b/target/classes/static/mybatis.html
new file mode 100644
index 0000000..f4b7d19
--- /dev/null
+++ b/target/classes/static/mybatis.html
@@ -0,0 +1,176 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>MyBatis 学习 - Spring Boot</title>
+    <style>
+        * { margin: 0; padding: 0; box-sizing: border-box; }
+        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f5f5f5; }
+        .container { max-width: 1400px; margin: 0 auto; padding: 20px; }
+        
+        .header { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); color: white; padding: 30px 20px; text-align: center; margin-bottom: 20px; border-radius: 10px; }
+        .header h1 { font-size: 2em; }
+        
+        .nav { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; justify-content: center; }
+        .nav a { padding: 10px 20px; background: white; border-radius: 20px; text-decoration: none; color: #333; font-size: 0.9em; }
+        .nav a:hover, .nav a.active { background: #4facfe; color: white; }
+        
+        .card { background: white; border-radius: 10px; padding: 20px; margin-bottom: 20px; box-shadow: 0 2px 10px rgba(0,0,0,0.08); }
+        .card h3 { color: #4facfe; margin-bottom: 15px; border-bottom: 2px solid #eee; padding-bottom: 10px; }
+        
+        .comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
+        .compare-box { padding: 20px; border-radius: 10px; }
+        .mybatis-box { background: #e3f2fd; border: 2px solid #4facfe; }
+        .jpa-box { background: #f3e5f5; border: 2px solid #9c27b0; }
+        
+        .btn { padding: 10px 20px; background: #4facfe; color: white; border: none; border-radius: 5px; cursor: pointer; margin: 5px; }
+        .btn:hover { background: #3d9be8; }
+        
+        .result { background: #1e1e1e; color: #d4d4d4; padding: 15px; border-radius: 5px; margin-top: 10px; font-family: monospace; font-size: 0.9em; overflow-x: auto; max-height: 400px; overflow-y: auto; }
+        
+        .code-block { background: #f4f4f4; padding: 15px; border-radius: 5px; font-family: monospace; font-size: 0.9em; overflow-x: auto; margin: 10px 0; }
+        
+        .cache-box { background: #fff3e0; border-left: 4px solid #ff9800; padding: 15px; margin: 10px 0; }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="header">
+            <h1>💾 MyBatis 学习</h1>
+            <p>半自动 ORM 框架 - SQL 与 Java 对象的映射</p>
+        </div>
+        
+        <div class="nav">
+            <a href="index.html">🏠 首页</a>
+            <a href="ioc.html">📦 IoC</a>
+            <a href="aop.html">🔪 AOP</a>
+            <a href="mybatis.html" class="active">💾 MyBatis</a>
+            <a href="transaction.html">🔄 事务</a>
+            <a href="users.html">👥 用户</a>
+            <a href="api.html">🔌 API</a>
+        </div>
+        
+        <div class="card">
+            <h3>📊 MyBatis vs JPA 对比</h3>
+            <div class="comparison">
+                <div class="compare-box mybatis-box">
+                    <h4>MyBatis</h4>
+                    <p><strong>优点：</strong></p>
+                    <ul>
+                        <li>✅ SQL 灵活可控</li>
+                        <li>✅ 性能优化方便</li>
+                        <li>✅ 复杂查询友好</li>
+                        <li>✅ 易于 DBA 协作</li>
+                    </ul>
+                    <p><strong>缺点：</strong></p>
+                    <ul>
+                        <li>❌ SQL 与代码耦合</li>
+                        <li>❌ 数据库迁移成本高</li>
+                        <li>❌ 需要手写 SQL</li>
+                    </ul>
+                    <p><strong>适用：</strong>复杂查询、性能要求高</p>
+                </div>
+                <div class="compare-box jpa-box">
+                    <h4>JPA/Hibernate</h4>
+                    <p><strong>优点：</strong></p>
+                    <ul>
+                        <li>✅ 面向对象</li>
+                        <li>✅ 数据库无关</li>
+                        <li>✅ 开发效率高</li>
+                        <li>✅ 自动维护</li>
+                    </ul>
+                    <p><strong>缺点：</strong></p>
+                    <ul>
+                        <li>❌ 复杂查询困难</li>
+                        <li>❌ 性能调优复杂</li>
+                        <li>❌ 学习曲线陡</li>
+                    </ul>
+                    <p><strong>适用：</strong>标准 CRUD、快速开发</p>
+                </div>
+            </div>
+        </div>
+        
+        <div class="card">
+            <h3>🚀 快速体验</h3>
+            <button class="btn" onclick="loadConfig()">查看 MyBatis 配置</button>
+            <button class="btn" onclick="loadConcepts()">核心概念</button>
+            <button class="btn" onclick="loadVsJpa()">详细对比</button>
+            <div id="result" class="result"></div>
+        </div>
+        
+        <div class="card">
+            <h3>💡 缓存机制</h3>
+            <div class="cache-box">
+                <h4>一级缓存 (SqlSession 级别)</h4>
+                <p>默认开启，同一 SqlSession 内相同查询只执行一次 SQL</p>
+                <div class="code-block">// 第一次查询 - 执行 SQL<br>User u1 = mapper.findById(1L);<br>// 第二次查询 - 命中缓存，不执行 SQL<br>User u2 = mapper.findById(1L);</div>
+            </div>
+            <div class="cache-box">
+                <h4>二级缓存 (Mapper 级别)</h4>
+                <p>需配置 @CacheNamespace，多个 SqlSession 共享</p>
+                <div class="code-block">@Mapper<br>@CacheNamespace<br>public interface UserMapper { ... }</div>
+            </div>
+            <p>💡 <strong>验证方式：</strong>查看控制台 SQL 日志，缓存命中时不打印 SQL</p>
+        </div>
+        
+        <div class="card">
+            <h3>📝 常用注解</h3>
+            <table style="width:100%;border-collapse:collapse;">
+                <tr style="background:#f8f9fa;"><th style="padding:10px;text-align:left;">注解</th><th style="padding:10px;text-align:left;">用途</th></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">@Mapper</td><td style="padding:10px;border-bottom:1px solid #eee;">标记为 MyBatis Mapper 接口</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">@Select</td><td style="padding:10px;border-bottom:1px solid #eee;">查询 SQL</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">@Insert</td><td style="padding:10px;border-bottom:1px solid #eee;">插入 SQL</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">@Update</td><td style="padding:10px;border-bottom:1px solid #eee;">更新 SQL</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">@Delete</td><td style="padding:10px;border-bottom:1px solid #eee;">删除 SQL</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">@Param</td><td style="padding:10px;border-bottom:1px solid #eee;">参数命名</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">@Options</td><td style="padding:10px;border-bottom:1px solid #eee;">额外选项（如返回自增ID）</td></tr>
+                <tr><td style="padding:10px;border-bottom:1px solid #eee;">@CacheNamespace</td><td style="padding:10px;border-bottom:1px solid #eee;">启用二级缓存</td></tr>
+            </table>
+        </div>
+        
+        <div class="card">
+            <h3>🔧 动态 SQL 示例</h3>
+            <div class="code-block">&lt;select id="findUsers"&gt;<br>  SELECT * FROM users<br>  &lt;where&gt;<br>    &lt;if test="name != null"&gt;<br>      AND name LIKE CONCAT('%', #{name}, '%')<br>    &lt;/if&gt;<br>    &lt;if test="email != null"&gt;<br>      AND email = #{email}<br>    &lt;/if&gt;<br>  &lt;/where&gt;<br>&lt;/select&gt;</div>
+        </div>
+    </div>
+    
+    <script>
+        async function loadConfig() {
+            const result = document.getElementById('result');
+            result.textContent = '加载中...';
+            try {
+                const res = await fetch('/api/learning/mybatis/config');
+                const data = await res.json();
+                result.innerHTML = `<strong>MyBatis 配置</strong>\n\n${JSON.stringify(data, null, 2)}`;
+            } catch (e) {
+                result.textContent = '加载失败: ' + e.message;
+            }
+        }
+        
+        async function loadConcepts() {
+            const result = document.getElementById('result');
+            result.textContent = '加载中...';
+            try {
+                const res = await fetch('/api/learning/mybatis/concepts');
+                const data = await res.json();
+                result.innerHTML = `<strong>核心概念</strong>\n\n${JSON.stringify(data, null, 2)}`;
+            } catch (e) {
+                result.textContent = '加载失败: ' + e.message;
+            }
+        }
+        
+        async function loadVsJpa() {
+            const result = document.getElementById('result');
+            result.textContent = '加载中...';
+            try {
+                const res = await fetch('/api/learning/mybatis/vs-jpa');
+                const data = await res.json();
+                result.innerHTML = `<strong>MyBatis vs JPA</strong>\n\n${JSON.stringify(data, null, 2)}`;
+            } catch (e) {
+                result.textContent = '加载失败: ' + e.message;
+            }
+        }
+    </script>
+</body>
+</html>
\ No newline at end of file
diff --git a/target/classes/static/transaction.html b/target/classes/static/transaction.html
new file mode 100644
index 0000000..9ce3f5f
--- /dev/null
+++ b/target/classes/static/transaction.html
@@ -0,0 +1,191 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>事务管理学习 - Spring Boot</title>
+    <style>
+        * { margin: 0; padding: 0; box-sizing: border-box; }
+        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f5f5f5; }
+        .container { max-width: 1400px; margin: 0 auto; padding: 20px; }
+        
+        .header { background: linear-gradient(135deg, #fa709a 0%, #fee140 100%); color: white; padding: 30px 20px; text-align: center; margin-bottom: 20px; border-radius: 10px; }
+        .header h1 { font-size: 2em; }
+        
+        .nav { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; justify-content: center; }
+        .nav a { padding: 10px 20px; background: white; border-radius: 20px; text-decoration: none; color: #333; font-size: 0.9em; }
+        .nav a:hover, .nav a.active { background: #fa709a; color: white; }
+        
+        .card { background: white; border-radius: 10px; padding: 20px; margin-bottom: 20px; box-shadow: 0 2px 10px rgba(0,0,0,0.08); }
+        .card h3 { color: #fa709a; margin-bottom: 15px; border-bottom: 2px solid #eee; padding-bottom: 10px; }
+        
+        .acid-box { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; margin: 20px 0; }
+        .acid-item { background: #f8f9fa; padding: 20px; border-radius: 10px; text-align: center; border-top: 4px solid; }
+        .acid-a { border-color: #e74c3c; }
+        .acid-c { border-color: #3498db; }
+        .acid-i { border-color: #2ecc71; }
+        .acid-d { border-color: #9b59b6; }
+        .acid-item h4 { font-size: 2em; margin-bottom: 10px; }
+        
+        .btn { padding: 10px 20px; background: #fa709a; color: white; border: none; border-radius: 5px; cursor: pointer; margin: 5px; }
+        .btn:hover { background: #e85a8a; }
+        .btn-danger { background: #e74c3c; }
+        
+        .result { background: #1e1e1e; color: #d4d4d4; padding: 15px; border-radius: 5px; margin-top: 10px; font-family: monospace; font-size: 0.9em; overflow-x: auto; max-height: 400px; overflow-y: auto; }
+        
+        .propagation-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 15px; }
+        .prop-box { background: #f8f9fa; padding: 15px; border-radius: 8px; border-left: 4px solid #fa709a; }
+        .prop-box h4 { color: #fa709a; margin-bottom: 8px; }
+        
+        table { width: 100%; border-collapse: collapse; margin: 15px 0; }
+        th, td { padding: 12px; text-align: left; border-bottom: 1px solid #eee; }
+        th { background: #f8f9fa; font-weight: 600; }
+        tr:hover { background: #f8f9fa; }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="header">
+            <h1>🔄 事务管理</h1>
+            <p>声明式事务 - @Transactional</p>
+        </div>
+        
+        <div class="nav">
+            <a href="index.html">🏠 首页</a>
+            <a href="ioc.html">📦 IoC</a>
+            <a href="aop.html">🔪 AOP</a>
+            <a href="mybatis.html">💾 MyBatis</a>
+            <a href="transaction.html" class="active">🔄 事务</a>
+            <a href="users.html">👥 用户</a>
+            <a href="api.html">🔌 API</a>
+        </div>
+        
+        <div class="card">
+            <h3>📚 ACID 特性</h3>
+            <div class="acid-box">
+                <div class="acid-item acid-a">
+                    <h4>A</h4>
+                    <p><strong>Atomicity</strong></p>
+                    <p>原子性</p>
+                    <p style="font-size:0.9em;color:#666;">事务是不可分割的工作单位</p>
+                </div>
+                <div class="acid-item acid-c">
+                    <h4>C</h4>
+                    <p><strong>Consistency</strong></p>
+                    <p>一致性</p>
+                    <p style="font-size:0.9em;color:#666;">数据库状态保持一致</p>
+                </div>
+                <div class="acid-item acid-i">
+                    <h4>I</h4>
+                    <p><strong>Isolation</strong></p>
+                    <p>隔离性</p>
+                    <p style="font-size:0.9em;color:#666;">事务之间相互隔离</p>
+                </div>
+                <div class="acid-item acid-d">
+                    <h4>D</h4>
+                    <p><strong>Durability</strong></p>
+                    <p>持久性</p>
+                    <p style="font-size:0.9em;color:#666;">提交后永久保存</p>
+                </div>
+            </div>
+        </div>
+        
+        <div class="card">
+            <h3>🚀 传播行为 (Propagation)</h3>
+            <div class="propagation-grid">
+                <div class="prop-box">
+                    <h4>REQUIRED (默认)</h4>
+                    <p>有事务则加入，无则新建</p>
+                    <p style="font-size:0.85em;color:#666;">最常用，适合大多数业务方法</p>
+                </div>
+                <div class="prop-box">
+                    <h4>REQUIRES_NEW</h4>
+                    <p>总是新建事务，挂起当前事务</p>
+                    <p style="font-size:0.85em;color:#666;">适合日志记录、独立子任务</p>
+                </div>
+                <div class="prop-box">
+                    <h4>SUPPORTS</h4>
+                    <p>有事务则加入，无则以非事务运行</p>
+                    <p style="font-size:0.85em;color:#666;">适合查询方法</p>
+                </div>
+                <div class="prop-box">
+                    <h4>NOT_SUPPORTED</h4>
+                    <p>以非事务运行，挂起当前事务</p>
+                    <p style="font-size:0.85em;color:#666;">不需要事务的操作</p>
+                </div>
+                <div class="prop-box">
+                    <h4>MANDATORY</h4>
+                    <p>必须在事务中运行，否则抛异常</p>
+                    <p style="font-size:0.85em;color:#666;">强制要求事务</p>
+                </div>
+                <div class="prop-box">
+                    <h4>NEVER</h4>
+                    <p>不能在事务中运行，否则抛异常</p>
+                    <p style="font-size:0.85em;color:#666;">确保无事务</p>
+                </div>
+            </div>
+            <button class="btn" onclick="loadPropagation()">查看详细说明</button>
+            <div id="propResult" class="result"></div>
+        </div>
+        
+        <div class="card">
+            <h3>🔒 隔离级别 (Isolation)</h3>
+            <table>
+                <tr><th>级别</th><th>脏读</th><th>不可重复读</th><th>幻读</th><th>说明</th></tr>
+                <tr><td>READ_UNCOMMITTED</td><td>❌</td><td>❌</td><td>❌</td><td>读未提交，性能最高</td></tr>
+                <tr><td>READ_COMMITTED</td><td>✅</td><td>❌</td><td>❌</td><td>读已提交，Oracle默认</td></tr>
+                <tr><td>REPEATABLE_READ</td><td>✅</td><td>✅</td><td>❌</td><td>可重复读，MySQL默认</td></tr>
+                <tr><td>SERIALIZABLE</td><td>✅</td><td>✅</td><td>✅</td><td>串行化，性能最低</td></tr>
+            </table>
+            <p style="margin-top:10px;color:#666;">✅ = 防止该问题 | ❌ = 可能出现该问题</p>
+            <button class="btn" onclick="loadIsolation()">查看详细说明</button>
+            <div id="isoResult" class="result"></div>
+        </div>
+        
+        <div class="card">
+            <h3>🧪 事务回滚演示</h3>
+            <p>创建订单时触发异常，观察事务回滚效果</p>
+            <button class="btn" onclick="loadRollback()">查看回滚规则</button>
+            <div id="rollbackResult" class="result"></div>
+        </div>
+    </div>
+    
+    <script>
+        async function loadPropagation() {
+            const result = document.getElementById('propResult');
+            result.textContent = '加载中...';
+            try {
+                const res = await fetch('/api/learning/transaction/propagation');
+                const data = await res.json();
+                result.innerHTML = `<strong>传播行为详解</strong>\n\n${JSON.stringify(data, null, 2)}`;
+            } catch (e) {
+                result.textContent = '加载失败: ' + e.message;
+            }
+        }
+        
+        async function loadIsolation() {
+            const result = document.getElementById('isoResult');
+            result.textContent = '加载中...';
+            try {
+                const res = await fetch('/api/learning/transaction/isolation');
+                const data = await res.json();
+                result.innerHTML = `<strong>隔离级别详解</strong>\n\n${JSON.stringify(data, null, 2)}`;
+            } catch (e) {
+                result.textContent = '加载失败: ' + e.message;
+            }
+        }
+        
+        async function loadRollback() {
+            const result = document.getElementById('rollbackResult');
+            result.textContent = '加载中...';
+            try {
+                const res = await fetch('/api/learning/transaction/rollback');
+                const data = await res.json();
+                result.innerHTML = `<strong>回滚规则</strong>\n\n${JSON.stringify(data, null, 2)}`;
+            } catch (e) {
+                result.textContent = '加载失败: ' + e.message;
+            }
+        }
+    </script>
+</body>
+</html>
\ No newline at end of file
diff --git a/target/classes/static/users.html b/target/classes/static/users.html
new file mode 100644
index 0000000..bdde258
--- /dev/null
+++ b/target/classes/static/users.html
@@ -0,0 +1,278 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>用户管理 - Spring Boot CRUD</title>
+    <style>
+        * { margin: 0; padding: 0; box-sizing: border-box; }
+        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f5f5f5; }
+        .container { max-width: 1400px; margin: 0 auto; padding: 20px; }
+        
+        .header { background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%); color: white; padding: 30px 20px; text-align: center; margin-bottom: 20px; border-radius: 10px; }
+        .header h1 { font-size: 2em; }
+        
+        .nav { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; justify-content: center; }
+        .nav a { padding: 10px 20px; background: white; border-radius: 20px; text-decoration: none; color: #333; font-size: 0.9em; }
+        .nav a:hover, .nav a.active { background: #11998e; color: white; }
+        
+        .card { background: white; border-radius: 10px; padding: 20px; margin-bottom: 20px; box-shadow: 0 2px 10px rgba(0,0,0,0.08); }
+        .card h3 { color: #11998e; margin-bottom: 15px; border-bottom: 2px solid #eee; padding-bottom: 10px; }
+        
+        .form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 15px; margin-bottom: 20px; }
+        .form-group { display: flex; flex-direction: column; }
+        .form-group label { margin-bottom: 5px; color: #666; font-size: 0.9em; }
+        .form-group input, .form-group textarea { padding: 10px; border: 1px solid #ddd; border-radius: 5px; font-size: 1em; }
+        .form-group input:focus, .form-group textarea:focus { outline: none; border-color: #11998e; }
+        
+        .btn { padding: 10px 20px; border: none; border-radius: 5px; cursor: pointer; font-size: 1em; margin: 5px; }
+        .btn-primary { background: #11998e; color: white; }
+        .btn-primary:hover { background: #0d7a6e; }
+        .btn-secondary { background: #6c757d; color: white; }
+        .btn-danger { background: #dc3545; color: white; }
+        .btn-warning { background: #ffc107; color: #333; }
+        
+        table { width: 100%; border-collapse: collapse; margin-top: 20px; }
+        th, td { padding: 12px; text-align: left; border-bottom: 1px solid #eee; }
+        th { background: #f8f9fa; font-weight: 600; }
+        tr:hover { background: #f8f9fa; }
+        .actions { display: flex; gap: 5px; }
+        .actions button { padding: 5px 10px; font-size: 0.85em; }
+        
+        .badge { padding: 4px 8px; border-radius: 4px; font-size: 0.8em; }
+        .badge-active { background: #28a745; color: white; }
+        .badge-inactive { background: #6c757d; color: white; }
+        
+        .search-box { display: flex; gap: 10px; margin-bottom: 20px; }
+        .search-box input { flex: 1; padding: 10px; border: 1px solid #ddd; border-radius: 5px; }
+        
+        .result { background: #1e1e1e; color: #d4d4d4; padding: 15px; border-radius: 5px; margin-top: 10px; font-family: monospace; font-size: 0.9em; overflow-x: auto; max-height: 300px; overflow-y: auto; }
+        .result.success { background: #d4edda; color: #155724; }
+        .result.error { background: #f8d7da; color: #721c24; }
+        
+        .modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 1000; }
+        .modal-content { background: white; margin: 50px auto; padding: 30px; width: 90%; max-width: 600px; border-radius: 10px; }
+        .modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
+        .modal-header h3 { margin: 0; border: none; }
+        .close { font-size: 1.5em; cursor: pointer; color: #999; }
+        .close:hover { color: #333; }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="header">
+            <h1>👥 用户管理</h1>
+            <p>RESTful CRUD 操作演示</p>
+        </div>
+        
+        <div class="nav">
+            <a href="index.html">🏠 首页</a>
+            <a href="ioc.html">📦 IoC</a>
+            <a href="aop.html">🔪 AOP</a>
+            <a href="mybatis.html">💾 MyBatis</a>
+            <a href="transaction.html">🔄 事务</a>
+            <a href="users.html" class="active">👥 用户</a>
+            <a href="api.html">🔌 API</a>
+        </div>
+        
+        <div class="card">
+            <h3>➕ 创建/编辑用户</h3>
+            <form id="userForm">
+                <input type="hidden" id="userId">
+                <div class="form-grid">
+                    <div class="form-group">
+                        <label>用户名 *</label>
+                        <input type="text" id="username" required placeholder="输入用户名">
+                    </div>
+                    <div class="form-group">
+                        <label>邮箱 *</label>
+                        <input type="email" id="email" required placeholder="输入邮箱">
+                    </div>
+                    <div class="form-group">
+                        <label>手机号</label>
+                        <input type="text" id="phone" placeholder="输入手机号">
+                    </div>
+                    <div class="form-group">
+                        <label>状态</label>
+                        <select id="active" style="padding:10px;border:1px solid #ddd;border-radius:5px;">
+                            <option value="true">启用</option>
+                            <option value="false">禁用</option>
+                        </select>
+                    </div>
+                </div>
+                <div class="form-group" style="margin-bottom:15px;">
+                    <label>简介</label>
+                    <textarea id="bio" rows="3" placeholder="输入个人简介"></textarea>
+                </div>
+                <button type="submit" class="btn btn-primary">💾 保存</button>
+                <button type="button" class="btn btn-secondary" onclick="resetForm()">🔄 重置</button>
+            </form>
+            <div id="formResult"></div>
+        </div>
+        
+        <div class="card">
+            <h3>📋 用户列表</h3>
+            <div class="search-box">
+                <input type="text" id="searchInput" placeholder="搜索用户名...">
+                <button class="btn btn-primary" onclick="searchUsers()">🔍 搜索</button>
+                <button class="btn btn-secondary" onclick="loadUsers()">🔄 刷新</button>
+            </div>
+            <table>
+                <thead>
+                    <tr>
+                        <th>ID</th>
+                        <th>用户名</th>
+                        <th>邮箱</th>
+                        <th>手机号</th>
+                        <th>状态</th>
+                        <th>创建时间</th>
+                        <th>操作</th>
+                    </tr>
+                </thead>
+                <tbody id="userTable">
+                    <tr><td colspan="7" style="text-align:center;color:#999;">加载中...</td></tr>
+                </tbody>
+            </table>
+        </div>
+    </div>
+    
+    <script>
+        let users = [];
+        
+        async function loadUsers() {
+            const tbody = document.getElementById('userTable');
+            tbody.innerHTML = '<tr><td colspan="7" style="text-align:center;color:#999;">加载中...</td></tr>';
+            
+            try {
+                const res = await fetch('/api/users');
+                users = await res.json();
+                renderUsers(users);
+            } catch (e) {
+                tbody.innerHTML = `<tr><td colspan="7" style="text-align:center;color:#dc3545;">加载失败: ${e.message}</td></tr>`;
+            }
+        }
+        
+        function renderUsers(data) {
+            const tbody = document.getElementById('userTable');
+            if (data.length === 0) {
+                tbody.innerHTML = '<tr><td colspan="7" style="text-align:center;color:#999;">暂无数据</td></tr>';
+                return;
+            }
+            
+            tbody.innerHTML = data.map(u => `
+                <tr>
+                    <td>${u.id}</td>
+                    <td>${u.username}</td>
+                    <td>${u.email}</td>
+                    <td>${u.phone || '-'}</td>
+                    <td><span class="badge ${u.active ? 'badge-active' : 'badge-inactive'}">${u.active ? '启用' : '禁用'}</span></td>
+                    <td>${u.createdAt ? new Date(u.createdAt).toLocaleString() : '-'}</td>
+                    <td class="actions">
+                        <button class="btn btn-warning" onclick="editUser(${u.id})">✏️ 编辑</button>
+                        <button class="btn btn-danger" onclick="deleteUser(${u.id})">🗑️ 删除</button>
+                    </td>
+                </tr>
+            `).join('');
+        }
+        
+        async function searchUsers() {
+            const keyword = document.getElementById('searchInput').value.trim();
+            if (!keyword) {
+                loadUsers();
+                return;
+            }
+            
+            try {
+                const res = await fetch(`/api/users/search?username=${encodeURIComponent(keyword)}`);
+                const data = await res.json();
+                renderUsers(data);
+            } catch (e) {
+                alert('搜索失败: ' + e.message);
+            }
+        }
+        
+        document.getElementById('userForm').addEventListener('submit', async (e) => {
+            e.preventDefault();
+            
+            const userId = document.getElementById('userId').value;
+            const user = {
+                username: document.getElementById('username').value,
+                email: document.getElementById('email').value,
+                phone: document.getElementById('phone').value,
+                bio: document.getElementById('bio').value,
+                active: document.getElementById('active').value === 'true'
+            };
+            
+            const resultDiv = document.getElementById('formResult');
+            resultDiv.className = 'result';
+            resultDiv.textContent = '保存中...';
+            
+            try {
+                const url = userId ? `/api/users/${userId}` : '/api/users';
+                const method = userId ? 'PUT' : 'POST';
+                
+                const res = await fetch(url, {
+                    method: method,
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify(user)
+                });
+                
+                const data = await res.json();
+                
+                if (res.ok) {
+                    resultDiv.className = 'result success';
+                    resultDiv.innerHTML = `<strong>✅ 保存成功!</strong><br>ID: ${data.id}, 用户名: ${data.username}`;
+                    resetForm();
+                    loadUsers();
+                } else {
+                    resultDiv.className = 'result error';
+                    resultDiv.innerHTML = `<strong>❌ 保存失败</strong><br>${JSON.stringify(data)}`;
+                }
+            } catch (e) {
+                resultDiv.className = 'result error';
+                resultDiv.innerHTML = `<strong>❌ 错误</strong><br>${e.message}`;
+            }
+        });
+        
+        function editUser(id) {
+            const user = users.find(u => u.id === id);
+            if (!user) return;
+            
+            document.getElementById('userId').value = user.id;
+            document.getElementById('username').value = user.username;
+            document.getElementById('email').value = user.email;
+            document.getElementById('phone').value = user.phone || '';
+            document.getElementById('bio').value = user.bio || '';
+            document.getElementById('active').value = user.active.toString();
+            
+            document.getElementById('formResult').innerHTML = '<span style="color:#11998e;">✏️ 正在编辑用户 #' + id + '</span>';
+            window.scrollTo(0, 0);
+        }
+        
+        async function deleteUser(id) {
+            if (!confirm(`确定要删除用户 #${id} 吗？`)) return;
+            
+            try {
+                const res = await fetch(`/api/users/${id}`, { method: 'DELETE' });
+                if (res.ok) {
+                    alert('✅ 删除成功');
+                    loadUsers();
+                } else {
+                    alert('❌ 删除失败');
+                }
+            } catch (e) {
+                alert('删除失败: ' + e.message);
+            }
+        }
+        
+        function resetForm() {
+            document.getElementById('userForm').reset();
+            document.getElementById('userId').value = '';
+            document.getElementById('formResult').innerHTML = '';
+        }
+        
+        // 初始化
+        loadUsers();
+    </script>
+</body>
+</html>
\ No newline at end of file
diff --git a/target/maven-archiver/pom.properties b/target/maven-archiver/pom.properties
new file mode 100644
index 0000000..37882b4
--- /dev/null
+++ b/target/maven-archiver/pom.properties
@@ -0,0 +1,3 @@
+artifactId=springboot-scaffold
+groupId=com.example
+version=1.0.0
diff --git a/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst b/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
new file mode 100644
index 0000000..feed0ef
--- /dev/null
+++ b/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
@@ -0,0 +1,26 @@
+com/example/scaffold/dto/OrderCreateRequest.class
+com/example/scaffold/learning/MyBatisLearningController.class
+com/example/scaffold/controller/HelloController.class
+com/example/scaffold/service/UserService.class
+com/example/scaffold/SpringbootScaffoldApplication.class
+com/example/scaffold/service/impl/UserServiceImpl.class
+com/example/scaffold/controller/UserController.class
+com/example/scaffold/learning/IocLearningController.class
+com/example/scaffold/aop/LearningAspect.class
+com/example/scaffold/service/impl/OrderService.class
+com/example/scaffold/controller/ProductOrderController.class
+com/example/scaffold/mapper/ProductMapper.class
+com/example/scaffold/mapper/OrderMapper.class
+com/example/scaffold/aop/PerformanceAspect.class
+com/example/scaffold/entity/User.class
+com/example/scaffold/dto/UserCreateRequest.class
+com/example/scaffold/dto/ProductCreateRequest.class
+com/example/scaffold/entity/Order.class
+com/example/scaffold/mapper/UserMapper.class
+com/example/scaffold/learning/TransactionLearningController.class
+com/example/scaffold/learning/IocLearningController$LearningBean.class
+com/example/scaffold/controller/RootController.class
+com/example/scaffold/learning/AopLearningController.class
+com/example/scaffold/aop/PerformanceAspect$MethodStats.class
+com/example/scaffold/config/AppConfig.class
+com/example/scaffold/entity/Product.class
diff --git a/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst b/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
new file mode 100644
index 0000000..9a56105
--- /dev/null
+++ b/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
@@ -0,0 +1,24 @@
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/mapper/ProductMapper.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/controller/UserController.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/learning/AopLearningController.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/entity/Product.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/entity/Order.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/mapper/UserMapper.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/dto/ProductCreateRequest.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/controller/HelloController.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/service/impl/UserServiceImpl.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/dto/OrderCreateRequest.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/learning/TransactionLearningController.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/aop/PerformanceAspect.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/entity/User.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/learning/IocLearningController.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/controller/ProductOrderController.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/mapper/OrderMapper.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/config/AppConfig.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/controller/RootController.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/service/UserService.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/learning/MyBatisLearningController.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/service/impl/OrderService.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/SpringbootScaffoldApplication.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/dto/UserCreateRequest.java
+/home/llm/Projects/springboot-scaffold/src/main/java/com/example/scaffold/aop/LearningAspect.java
diff --git a/target/springboot-scaffold-1.0.0.jar b/target/springboot-scaffold-1.0.0.jar
new file mode 100644
index 0000000..6445a16
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diff --git a/target/springboot-scaffold-1.0.0.jar.original b/target/springboot-scaffold-1.0.0.jar.original
new file mode 100644
index 0000000..e5d4006
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