forked from admin/struts2-demo
47 lines
1.3 KiB
Java
47 lines
1.3 KiB
Java
package com.demo.action;
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import com.opensymphony.xwork2.ActionSupport;
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/**
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* 用户登录 Action
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* 展示：
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* - 表单参数接收
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* - 数据验证
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* - Session 使用
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* - 返回不同结果
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*/
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public class LoginAction extends ActionSupport {
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private String username;
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private String password;
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@Override
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public String execute() throws Exception {
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// 模拟登录验证
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if ("admin".equals(username) && "123456".equals(password)) {
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// 登录成功，设置 session
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return SUCCESS;
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} else if (username != null && !username.isEmpty()) {
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// 登录失败
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addActionError("用户名或密码错误!");
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return INPUT;
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}
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return INPUT;
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}
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// 表单验证
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@Override
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public void validate() {
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if (username == null || username.trim().length() < 3) {
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addFieldError("username", "用户名至少3个字符");
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}
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if (password == null || password.length() < 6) {
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addFieldError("password", "密码至少6个字符");
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}
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}
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public String getUsername() { return username; }
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public void setUsername(String username) { this.username = username; }
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public String getPassword() { return password; }
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public void setPassword(String password) { this.password = password; }
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} |