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JSP之application对象

2015-07-19 18:09 417 查看

<%@ 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%>">

<title>My JSP 'application.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>
<%
application.setAttribute("username", "张三");
application.setAttribute("password", "123456");
application.setAttribute("hobby", "run");
%>
<%=application.getAttribute("hobby") %><br/>
<%
Enumeration<String> attrs =  application.getAttributeNames();
while(attrs.hasMoreElements()){
out.println(attrs.nextElement()+"  ");
}
%><br/>
<%=application.getServerInfo() %>
</body>
</html>

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