EL 隐含对象 param,paramValues使用

index.jsp
<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%
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 'index.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>
  <h2>
   EL 隐含对象 param,paramValues
  </h2>
  <FORM action="Param.jsp" method="post">
   <p>
    姓名:<INPUT type="text" name="username" size="20" />
   </p>
   <P>
    密码:<INPUT type="password" name="password" size="20" />
   </P>
   <P>
    性别:<INPUT type="radio" name="sex" value="Male" checked />男
        <INPUT type="radio" name="sex" value="Female" />女
   </P>
   <P>
    年龄:
    <SELECT name="old">
     <option value="10">10~20</option>
     <option value="20" selected>20~30</option>
     <option value="30">30~40</option>
     <option value="40">40~50</option>
     <option value="50">50~60</option>
     <option value="60">60~70</option>
    </select>
   </P>
   <P>
    兴趣:
    <input type="checkbox" name="habit" value="Reading" />Reading
    <input type="checkbox" name="habit" value="Game" />Game
    <INPUT type="checkbox" name="habit" value="Travel" />Travel
    <INPUT type="checkbox" name="habit" value="Music" />Music
    <INPUT type="checkbox" name="habit" value="TV" />TV
   </P>
   <P>
    <input type="Submit" value=" Send ">
    <INPUT type="Reset" value=" Reset ">
   </P>
  </FORM>
 </body>
</html>

Param.jsp
<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%
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 'Param.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>
  <h2>
   EL 隐含对象 param,paramValues
  </h2>
  姓名:${param.username}<br />
  密码:${param.password}<br />
  性别:${param.sex}<br />
  年龄:${param.old}<br />
  兴趣:${paramValues.habit[0]}
      ${paramValues.habit[1]}
      ${paramValues.habit[2]}
      ${paramValues.habit[3]}
      ${paramValues.habit[4]}
 </body>
</html>

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