Struts2.0做的登陆

package com.test.action; import com.opensymphony.xwork2.ActionSupport; public class LoginAction extends ActionSupport { private String userName; private String userPwd; public String getUserName() { return userName; } public void setUserName(String userName) { this.userName = userName; } public String getUserPwd() { return userPwd; } public void setUserPwd(String userPwd) { this.userPwd = userPwd; } public String execute() throws Exception { String userName = this.getUserName(); String userPwd = this.getUserPwd(); if("haha".equals(userName) && "111".equals(userPwd)) { return "ok"; } else { this.addFieldError("userName","用户名或密码错误！"); return "fail"; } } @Override public void validate() { if(null == this.getUserName() || "".equals(this.getUserName().trim())) { this.addFieldError("userName", "用户名不能为空"); } if(null == this.getUserPwd() || "".equals(this.getUserPwd().trim())) { this.addFieldError("userPwd", "密码不能为空"); } } }