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<%@ page language="java" import="java.util.*"
contentType="text/html; charset=utf-8"%>
<%@ page import="com.lskyo.*" %>
<%
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 'testScope.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>
<h1>Javabean的四个作用域范围</h1>
<hr>
<body>
<%--
<h3>通过getProperty来获得属性</h3>
<jsp:useBean id="myUsers" class="com.lskyo.Users" scope="application" />
用户名：<jsp:getProperty property="username" name="myUsers" /><br>
密码：<jsp:getProperty property="password" name="myUsers" /><br>
<br>
--%>
<%--
<h3>通过application</h3>
用户名：<%=((Users)application.getAttribute("myUsers")).getUsername() %><br>
密码：<%=((Users)application.getAttribute("myUsers")).getPassword() %><br>
<br>
--%>
<%--
<h3>通过session</h3>
用户名：<%=((Users)session.getAttribute("myUsers")).getUsername() %><br>
密码：<%=((Users)session.getAttribute("myUsers")).getPassword() %><br>
<br>
--%>
<h3>通过request</h3>
<jsp:useBean id="myUsers" class="com.lskyo.Users" scope="request" />
用户名：<%=((Users)request.getAttribute("myUsers")).getUsername() %><br>
密码：<%=((Users)request.getAttribute("myUsers")).getPassword() %><br>
<br>
</body>
</html>