elexample6.jsp

来自「用java编写的程序」· JSP 代码 · 共 49 行

JSP
49
字号
<%@ page language="java" contentType="text/html; charset=UTF-8"%>
<%@ page import="java.util.*" %>
<%@ page import="webbook.beanutils.example.*" %>
<html>
<head>
<title>JSP EL使用例子</title>
	</head>
	<body>
	<h2>JSP EL使用例子(六)</h2>		
	<br>
	<% 
		pageContext.setAttribute("username","刘伟");
		request.setAttribute("username","张利国");
		session.setAttribute("username","刘备");
		application.setAttribute("username","张飞");				
	 %>
	<table border="1">
      <tr>
	    <td><b>EL表达式</b></td>
	    <td><b>输出结果</b></td>
	  </tr>	 
	  <tr>
	    <td>\${pageScope.username}</td>
	    <td>${pageScope.username }</td>
	  </tr>
	  <tr>
	    <td>\${pageScope["username"]}</td>
	    <td>${pageScope["username"]}</td>
	  </tr>
	    <tr>
	    <td>\${requestScope.username}</td>
	    <td>${requestScope.username }</td>
	  </tr>
	  <tr>
	    <td>\${sessionScope.username}</td>
	    <td>${sessionScope.username }</td>
	  </tr>
	  <tr>
	    <td>\${applicationScope.username}</td>
	    <td>${applicationScope.username }</td>
	  </tr>
	  <tr>
	    <td>\${username}</td>
	    <td>${username}</td>
	  </tr>	
	</table>
	</body>
</html>

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