<%@?page?import="java.util.ArrayList"?%>
<%@?page?import="com.demo.entity.User"?%>
<%@?page?contentType="text/html;charset=UTF-8"?language="java"?%>
<html>
<head>
????<title>測(cè)試人數(shù)</title>
</head>
<body>
在線人數(shù)：${number}<br>
<%
????ArrayList<User>?users?=?(ArrayList<User>)?request.getServletContext().getAttribute("userList");
????if?(users!=null){
????????for?(int?i=0;i<users.size();i++){
????????????User?user?=?users.get(i);
%>
編號(hào)：<%=user.getIpString()%>,創(chuàng)建時(shí)間：<%=user.getFirstTime()%>IP地址：<%=user.getIpString()%><br>
<%
????????}
????}
%>
</body>
</html>
2017-09-18
attribute 沒(méi)有獲取到