HTML源码展示：
<!DOCTYPE html>
<html>
<head>
<style type="text/css">
div#container{width:100%;}
div#menu {background-color:#e2e6ee;height:500px;width:50%;float:left;text-align:center; background-image:margin:0; color:#333333;}
div#content {background-color:#EEEEEE;height:500px;width:50%;float:left;width:expression(window.screen.height);}
body{background:#1d3647;}
#from{ margin-top:20%;margin-left:10%;}
#logo{margin-top:20%; float:right; margin-right:10%; }
#adv{margin-top:27%; float:right; margin-right:1%; font:"宋体"; color:#777; font-size:14px;}
</style>
</head>
<body>
<br/>
<br/>
<div id="container">
<div id="menu">
<img src="platefrom/images/LOGO01.gif"id="logo"/><br/>
<div id="adv">
<strong> 1- 地区商家信息网门户站建立的首选方案...</strong><br/><br/>
<strong>2- 一站通式的整合方式，方便用户使用...</strong><br/><br/>
<strong>3- 强大的后台系统，管理内容易如反掌...</strong>
</div>
</div>
<div id="content">
<!--表单-->
<form action="./LoginServlet" method="get" id="from">
<strong style="font:'宋体'; color:#777; font-size:16px;">登入后台信息管理</strong><br/><br/>
用户名: <input type="text" name="username" /><br /><br/>
密 码: <input type="password" name="password" /><br /> <br/><br/>
<input type="submit" value="登 陆" style="font:'宋体'; font-size:16px;"/>
<input type="submit" value="取 消" style="font:'宋体'; font-size:16px;"/>
</form>
</div>
</div>
</body>
</html>
后台Servlet
package com.platefrom.servlet;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class LoginServlet extends HttpServlet {
/**
*
*/
private static final long serialVersionUID = 1L;
@Override
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
// TODO Auto-generated method stub
//默认用户名和密码：admin和123456
String username=request.getParameter("username");
String password=request.getParameter("password");
//逻辑判断操作
if(username.equals("admin")&&password.equals("123456")){
//功能界面
response.sendRedirect("./platefrom/main.html");
}else{
//登入页面
response.sendRedirect("./platefrom/login.html");
}
}
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
// TODO Auto-generated method stub
this.doGet(request, response);
}
}
