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JSP之Model1

2015-07-26 09:36 477 查看 


package com.po;

public class Users {
private String username;
private String password;

public Users(){

}

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;
}

}


package com.po.Dao;

import com.po.Users;

public class UserDao {
public static boolean isRightUser(Users user){
if("admin".equals(user.getUsername()) && "admin".equals(user.getPassword())){
return true;
}else{
return false;
}
}
}


<%@ page language="java" import="java.util.*" contentType="text/html; charset=utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>My JSP 'login.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->

</head>

<body>
<form action="dologin.jsp" name="loginForm" method="post">
<table>
<tr>
<td>用户名：</td>
<td><input type="text" name="username"/></td>
</tr>
<tr>
<td>密码：</td>
<td><input type="password" name="password"/></td>
</tr>
<tr>
<td><input type="submit" value="登陆"/></td>
</tr>
</table>
</form>
</body>
</html>


<%@ page language="java" import="java.util.*" contentType="text/html; charset=utf-8"%>
<%@ page import="com.po.Users" %>
<%@ page import="com.po.Dao.UserDao" %>
<jsp:useBean id="myUser" class="com.po.Users" scope="page"></jsp:useBean>
<jsp:setProperty property="*" name="myUser"/>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

request.setCharacterEncoding("utf-8");

if(UserDao.isRightUser(myUser)){
session.setAttribute("loginUser", myUser.getUsername());
request.getRequestDispatcher("loginSuccess.jsp").forward(request, response);
}else{
response.sendRedirect("loginFailure.jsp");
}

%>


<%@ page language="java" import="java.util.*" contentType="text/html; charset=utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>My JSP 'login.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->

</head>

<body>
<%
String loginUser = "";
loginUser = session.getAttribute("loginUser").toString();
%>
<h1>欢迎<%=loginUser %>登陆</h1>
</body>
</html>


<%@ page language="java" import="java.util.*" contentType="text/html; charset=utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>My JSP 'login.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->

</head>

<body>
<h1>用户名或者密码错误，请重新登陆</h1><br/>
<a href="login.jsp">返回登陆</a>
</body>
</html>
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