session.getvalueanames()顺序不对
session_page1.jsp
<%@page import="java.text.SimpleDateFormat"%>
<%@ 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 'session_page1.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>
<h1> session内置对象</h1>
<hr>
<%
SimpleDateFormat sdf=new SimpleDateFormat("yyyy年MM月dd日 HH:mm:ss");
Date d=new Date(session.getCreationTime());
session.setAttribute("最喜欢的人是","最喜欢的人是");
session.setAttribute("myz", "myz");
session.setAttribute("是你的什么?", "是我的心肝儿");
session.setAttribute("是我的心肝儿", "是我的心肝儿");
session.setAttribute("是我的甜蜜饯儿", "是我的甜蜜饯儿");
//session.setMaxInactiveInterval(10);
%>
session创建时间:<%=sdf.format(d)%><br>
session的ID号:<%=session.getId() %><br>
从session中获取用户名:<%=session.getAttribute("myz")%><br>
<a href="session_page2.jsp" target="_blank">要上天啊</a>
</body>
</html>
session_page2.jsp
<%@ 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 'session_page2.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>
session的ID号:<%=session.getId() %><br>
从session中获取用户名:<%=session.getAttribute("myz")%><br>
session保存的属性:<%
String[] names=session.getValueNames();
for(int i=0;i<names.length;i++){
out.println(names[i]+" ");
}
%>
</body>
</html>