JSP之表單提交get和post的區(qū)別詳解及實(shí)例

更新時間：2017年09月27日 14:40:56 投稿：lqh

這篇文章主要介紹了JSP之表單提交get和post的詳解及實(shí)例的相關(guān)資料,希望通過本文大家能夠掌握使用get與post的方法，需要的朋友可以參考下

JSP之表單提交get和post的詳解及實(shí)例

一 get和post的區(qū)別

二實(shí)戰(zhàn)（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="<%=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="styles.css" rel="external nofollow" rel="external nofollow" >
    -->
 
 </head>
 
 <body>
  <h1>用戶登錄</h1>
  <hr>
  <form action="dologin.jsp" name="loginForm" method="post">
   <table>
    <tr>
     <td>用戶名：</td>
     <td><input type="text" name="username"/></td>
    </tr>
    <tr>
     <td>密碼：</td>
     <td><input type="password" name="password"/></td>
    </tr>
    <tr>
     <td colspan="2"><input type="submit" value="登錄"></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="<%=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="styles.css" rel="external nofollow" rel="external nofollow" >
    -->
 
 </head>
 
 <body>
  <h1>登錄成功</h1>
  <hr>
 </body>
</html>

三運(yùn)行結(jié)果