JSP之表单提交get和post的区别详解及实例

Java  /  管理员 发布于 7年前   170

JSP之表单提交get和post的详解及实例

一 get和post的区别

二 实战（post方式提交）

1、login.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="https:/article/<%=basePath%>" rel="external nofollow" rel="external nofollow" >    <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="https:/article/styles.css" rel="external nofollow" rel="external nofollow" >    -->  </head>  <body>  <h1>用户登录</h1>  <hr>  <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 colspan="2"><input type="submit" value="登录"></td>    </tr>   </table>  </form> </body></html>

2、dologin.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="https:/article/<%=basePath%>" rel="external nofollow" rel="external nofollow" >    <title>My JSP 'dologin.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="https:/article/styles.css" rel="external nofollow" rel="external nofollow" >    -->  </head>  <body>  <h1>登录成功</h1>  <hr> </body></html>

 三 运行结果

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