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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="%=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
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