题目要求：

效果：

 

 index.jsp

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

<!DOCTYPE HTML >
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>邮箱登录页面</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>
  <h3>邮箱登录</h3>
  <hr>
  	<form action="lucky.jsp" method="post">
	    用户名：<input type="text" name="uname"><br><br>
	    密&nbsp;码：&nbsp;&nbsp;<input type="password" name="upwd"><br><br>
	    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
	    <input type="submit" value="登录">&nbsp; <input type="reset" value="清空">
	    </form>
  </body>
</html>

doindex.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
	<title>邮箱处理页面</title>
	
  </head>
<%
	//设置编码
	request.setCharacterEncoding("UTF-8");

	String uname=request.getParameter("uname");
	String pwd=request.getParameter("upwd");
 	if(uname.equals("lucky")&&pwd.equals("123456")){
 		//成功
 		out.print("你好,"+uname+"!");
		request.getRequestDispatcher("lucky.jsp").forward(request, response);
 	}else{
 		response.sendRedirect("index.jsp");
		//request.getRequestDispatcher("index.jsp").forward(request, response);
 	}

%>

lucky.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
	<title>邮箱验证成功页面</title>

<h1>验证成功！</h1>
<h2>你好,
<%
	
	String name=request.getParameter("uname");
	String pwd=request.getParameter("upwd");
	if(!name.equals("lucky")&&!pwd.equals("123456")){
  			response.sendRedirect("index.jsp");
  		}
	out.print(name);
%>
</h2>

# java
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