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表单提交get和post

    博客分类:
  • java
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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="<%=basePath%>">
   
    <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">
        -->
 
  </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="<%=basePath%>">
   
    <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">
        -->
 
  </head>
 
  <body>
    <h1>登录成功</h1>
    <hr>
  </body>
</html>
 
三 运行结果


 
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