JSP第四周

登录

<%@ page language="java" import="java.util.*" pageEncoding="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 'index.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>
  登录<br/>
   <form action="zhuanfa.jsp" name="myform" method="post" >
   用户名:<input type="text" name="uname"><br/>
   密码:<input type="password" name="upwd"><br/>  
   <input type="submit" value="登录">
   </form>
   
   
   
  </body>
</html>

转发

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
    //获取登录的用户名
    String name = request.getParameter("uname");
    //获取登录密码
    String pwd = request.getParameter("upwd");
    //判断

    if (name.equals("zs") && pwd.equals("123"))
        //转发到ok页面
        request.getRequestDispatcher("ok.jsp").forward(request,response);
    else
        //转发到no页面 
        request.getRequestDispatcher("no.jsp").forward(request,response);
%>

登陆成功

<%@ page language="java" import="java.util.*" pageEncoding="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 'index.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 style="color: red">登录成功</h1>
   
   
  </body>
</html>

 

posted @ 2021-03-28 21:44  洽多  阅读(42)  评论(0编辑  收藏  举报