login.jsp
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<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body>
<form action="user" method="post">
<center>用戶名：<input type="text" name="userName"/>
密碼：<input type="text" name="password"/>
<input type="submit" value="登錄"/>
</form>
</center>
</body>
</html>
struts.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<package name="helloWorld" extends="struts-default">
<action name="hello" class="com.java.action.HelloWorldAction2">
<result name="success">helloWorld.jsp</result>
</action>
<action name="user" class="com.java.action.UserAction">
<result name="success">success.jsp</result>
<result name="error">error.jsp</result>
</action>
</package>
</struts>
UserAction.java
package com.java.action;
import com.java.model.User;
import com.java.service.UserService;
import com.opensymphony.xwork2.ActionSupport;
public class UserAction extends ActionSupport{
private static final long serialVersionUID = 1L;
private UserService userService=new UserService();
private String userName;
private String password;
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
private String name;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
@Override
public String execute() throws Exception {
System.out.println("執行了UserAction的默認方法");
User user=new User();
user.setUsername(userName);
user.setPassword(password);
if(userService.login(user)){
return SUCCESS;
}else{
return ERROR;
}
}
}
User.java
package com.java.model;
public class User {
private String username;
private String password;
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
UserService.java
package com.java.service;
import com.java.model.User;
public class UserService {
public boolean login(User user){
if("java".equals(user.getUsername())&&"20160827".equals(user.getPassword())){
return true;
}else{
return false;
}
}
}
success.jsp
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body>
登錄成功！
</body>
</html>
error.jsp
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body>
登錄失敗！
</body>
</html>
