详解JSP之表单提交get和post的操作步骤

来源:爱站网时间:2019-04-11编辑:网友分享
​​​​​​​get顾名思义是获取的意思,而post意思是通过邮件发送,但实际上GET也可以传输数据,只是GET可以传输的数据量非常小,感兴趣的朋友们可以跟着爱站技术频道小编来学习详解JSP之表单提交get和post的操作步骤吧!

get顾名思义是获取的意思,而post意思是通过邮件发送,但实际上GET也可以传输数据,只是GET可以传输的数据量非常小,感兴趣的朋友们可以跟着爱站技术频道小编来学习详解JSP之表单提交get和post的操作步骤吧!

详解JSP之表单提交get和post的操作步骤

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%>" 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%>" 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>登录成功</h1>
  <hr>
 </body>
</html>

 三 运行结果

以上就是爱站技术频道为各位朋友们介绍的详解JSP之表单提交get和post的操作步骤,希望可以帮助到大家。还有什么问题的话,大家可以关注爱站技术频道!

上一篇:实例演示tomcat共享多个web应用会话的方法

下一篇:详解JSP中out对象的演示

您可能感兴趣的文章

相关阅读