51application内置对象

 

 
<%@ page language="java" import="java.util.*" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<h1>application内置对象</h1>
<%
    application.setAttribute("city","北京");
    application.setAttribute("postcode","10000");
    application.setAttribute("email","lisi@126.com");
%>
    所在城市是:<%=application.getAttribute("city") %><br>
    application中的属性为:<%
    Enumeration attributes=application.getAttributeNames();
    while(attributes.hasMoreElements()){
        out.println(attributes.nextElement()+"&nbsp;");
    }
    
    %><br>
    JSP(SERVKET)版本号:<%=application.getServerInfo() %>
    
</body>
</html>

 

posted @ 2022-07-13 18:28  前端导师歌谣  阅读(35)  评论(0)    收藏  举报