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fix(structs): resolve calc input result and add utf-8/meta plus form validation

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This commit is contained in:
likingcode
2026-03-10 00:23:36 +08:00
parent f16401b913
commit ebe4f0467c
11 changed files with 71 additions and 0 deletions
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16
src/main/java/com/example/struts2/UserFormAction.java
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@@ -68,6 +68,22 @@ public class UserFormAction extends ActionSupport {
return SUCCESS; return SUCCESS;
} }
@Override
public void validate() {
if (user == null) {
return;
}
if (user.getName() == null || user.getName().trim().isEmpty()) {
addFieldError("user.name", "姓名不能为空");
}
if (user.getEmail() == null || !user.getEmail().contains("@")) {
addFieldError("user.email", "邮箱格式不正确");
}
if (user.getAge() == null || user.getAge() < 1 || user.getAge() > 120) {
addFieldError("user.age", "年龄必须在 1 到 120 之间");
}
}
// Getters and Setters // Getters and Setters
public User getUser() { return user; } public User getUser() { return user; }
public void setUser(User user) { this.user = user; } public void setUser(User user) { this.user = user; }

3
src/main/resources/struts.xml
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@@ -72,6 +72,7 @@
<action name="calc" class="com.example.struts2.CalculatorAction"> <action name="calc" class="com.example.struts2.CalculatorAction">
<result>/calculator.jsp</result> <result>/calculator.jsp</result>
<result name="input">/calculator.jsp</result>
</action> </action>
<action name="calc_execute" class="com.example.struts2.CalculatorAction" method="calculate"> <action name="calc_execute" class="com.example.struts2.CalculatorAction" method="calculate">
@@ -85,6 +86,7 @@
<action name="user_add" class="com.example.struts2.UserFormAction" method="add"> <action name="user_add" class="com.example.struts2.UserFormAction" method="add">
<result type="redirectAction">user</result> <result type="redirectAction">user</result>
<result name="input">/user-form.jsp</result>
</action> </action>
<action name="user_edit" class="com.example.struts2.UserFormAction" method="edit"> <action name="user_edit" class="com.example.struts2.UserFormAction" method="edit">
@@ -93,6 +95,7 @@
<action name="user_update" class="com.example.struts2.UserFormAction" method="update"> <action name="user_update" class="com.example.struts2.UserFormAction" method="update">
<result type="redirectAction">user</result> <result type="redirectAction">user</result>
<result name="input">/user-form.jsp</result>
</action> </action>
<action name="user_delete" class="com.example.struts2.UserFormAction" method="delete"> <action name="user_delete" class="com.example.struts2.UserFormAction" method="delete">

1
src/main/webapp/calculator.jsp
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@@ -3,6 +3,7 @@
<!DOCTYPE html> <!DOCTYPE html>
<html> <html>
<head> <head>
<meta charset="UTF-8">
<title>计算器 - Struts2 表单示例</title> <title>计算器 - Struts2 表单示例</title>
<style> <style>
body { font-family: Arial, sans-serif; max-width: 600px; margin: 50px auto; padding: 20px; } body { font-family: Arial, sans-serif; max-width: 600px; margin: 50px auto; padding: 20px; }

21
src/main/webapp/error-invalid-input.jsp Normal file
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@@ -0,0 +1,21 @@
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html>
<head>
<title>参数无效</title>
<style>
body { font-family: Arial, sans-serif; max-width: 600px; margin: 100px auto; padding: 20px; text-align: center; }
h1 { color: #e74c3c; }
.error-box { background: #fdeaea; border: 1px solid #e74c3c; padding: 30px; border-radius: 10px; }
.info { color: #7f8c8d; margin-top: 20px; }
</style>
</head>
<body>
<div class="error-box">
<h1>🚫 检测到无效参数</h1>
<p>您的请求包含可疑内容，已被拦截。</p>
<p class="info">此页面由 ValidationInterceptor 拦截器生成</p>
</div>
<p><a href="learn">← 返回学习中心</a></p>
</body>
</html>

21
src/main/webapp/error-rate-limit.jsp Normal file
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@@ -0,0 +1,21 @@
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html>
<head>
<title>请求过于频繁</title>
<style>
body { font-family: Arial, sans-serif; max-width: 600px; margin: 100px auto; padding: 20px; text-align: center; }
h1 { color: #e74c3c; }
.error-box { background: #fdeaea; border: 1px solid #e74c3c; padding: 30px; border-radius: 10px; }
.info { color: #7f8c8d; margin-top: 20px; }
</style>
</head>
<body>
<div class="error-box">
<h1>⚠️ 请求过于频繁</h1>
<p>您的请求次数超过限制，请稍后再试。</p>
<p class="info">此页面由 RateLimitInterceptor 拦截器生成</p>
</div>
<p><a href="learn">← 返回学习中心</a></p>
</body>
</html>

1
src/main/webapp/hello.jsp
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@@ -2,6 +2,7 @@
<!DOCTYPE html> <!DOCTYPE html>
<html> <html>
<head> <head>
<meta charset="UTF-8">
<title>Hello 示例 - Struts2</title> <title>Hello 示例 - Struts2</title>
<style> <style>
body { font-family: Arial, sans-serif; max-width: 900px; margin: 50px auto; padding: 20px; background:#f7f8fa; } body { font-family: Arial, sans-serif; max-width: 900px; margin: 50px auto; padding: 20px; background:#f7f8fa; }

1
src/main/webapp/index.jsp
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@@ -2,6 +2,7 @@
<!DOCTYPE html> <!DOCTYPE html>
<html> <html>
<head> <head>
<meta charset="UTF-8">
<title>Struts2 Learning Scaffold</title> <title>Struts2 Learning Scaffold</title>
<style> <style>
body { font-family: Arial, sans-serif; max-width: 1100px; margin: 40px auto; padding: 20px; background:#f7f8fa; } body { font-family: Arial, sans-serif; max-width: 1100px; margin: 40px auto; padding: 20px; background:#f7f8fa; }

1
src/main/webapp/interceptor-demo.jsp
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@@ -3,6 +3,7 @@
<!DOCTYPE html> <!DOCTYPE html>
<html> <html>
<head> <head>
<meta charset="UTF-8">
<title>拦截器演示 - Struts2</title> <title>拦截器演示 - Struts2</title>
<style> <style>
body { font-family: Arial, sans-serif; max-width: 900px; margin: 50px auto; padding: 20px; } body { font-family: Arial, sans-serif; max-width: 900px; margin: 50px auto; padding: 20px; }

1
src/main/webapp/learn.jsp
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@@ -3,6 +3,7 @@
<!DOCTYPE html> <!DOCTYPE html>
<html> <html>
<head> <head>
<meta charset="UTF-8">
<title>Struts2 学习中心</title> <title>Struts2 学习中心</title>
<style> <style>
body { font-family: Arial, sans-serif; max-width: 1000px; margin: 40px auto; padding: 20px; background:#f7f8fa; } body { font-family: Arial, sans-serif; max-width: 1000px; margin: 40px auto; padding: 20px; background:#f7f8fa; }

4
src/main/webapp/user-form.jsp
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@@ -3,6 +3,7 @@
<!DOCTYPE html> <!DOCTYPE html>
<html> <html>
<head> <head>
<meta charset="UTF-8">
<title>用户表单 - Struts2</title> <title>用户表单 - Struts2</title>
<style> <style>
body { font-family: Arial, sans-serif; max-width: 700px; margin: 40px auto; padding: 20px; background:#f7f8fa; } body { font-family: Arial, sans-serif; max-width: 700px; margin: 40px auto; padding: 20px; background:#f7f8fa; }
@@ -44,16 +45,19 @@
<div class="form-group"> <div class="form-group">
<label>姓名:</label> <label>姓名:</label>
<s:textfield name="user.name" placeholder="请输入姓名"/> <s:textfield name="user.name" placeholder="请输入姓名"/>
<s:fielderror fieldName="user.name" cssStyle="color:#e74c3c;font-size:12px;"/>
</div> </div>
<div class="form-group"> <div class="form-group">
<label>邮箱:</label> <label>邮箱:</label>
<s:textfield name="user.email" placeholder="请输入邮箱"/> <s:textfield name="user.email" placeholder="请输入邮箱"/>
<s:fielderror fieldName="user.email" cssStyle="color:#e74c3c;font-size:12px;"/>
</div> </div>
<div class="form-group"> <div class="form-group">
<label>年龄:</label> <label>年龄:</label>
<s:textfield name="user.age" placeholder="请输入年龄"/> <s:textfield name="user.age" placeholder="请输入年龄"/>
<s:fielderror fieldName="user.age" cssStyle="color:#e74c3c;font-size:12px;"/>
</div> </div>
<button type="submit">保存</button> <button type="submit">保存</button>

1
src/main/webapp/user-list.jsp
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@@ -3,6 +3,7 @@
<!DOCTYPE html> <!DOCTYPE html>
<html> <html>
<head> <head>
<meta charset="UTF-8">
<title>用户管理 - Struts2 CRUD 示例</title> <title>用户管理 - Struts2 CRUD 示例</title>
<style> <style>
body { font-family: Arial, sans-serif; max-width: 1000px; margin: 40px auto; padding: 20px; background:#f7f8fa; } body { font-family: Arial, sans-serif; max-width: 1000px; margin: 40px auto; padding: 20px; background:#f7f8fa; }