JSP之Session对象

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//session_page1.jsp<%@ page language="java" import="java.util.*, java.text.*" 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>  <%  SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd,HH-mm-ss");session.setAttribute("username", "bluze");session.setAttribute("password", "123456");session.setAttribute("hobby", "run");//session.setMaxInactiveInterval(3);  %>    <%=sdf.format(session.getCreationTime()) %><br/>    <%=session.getId() %><br/>    <%=session.getAttribute("username") %><br/>    <%=session.getMaxInactiveInterval() %><br/>    <a href="session_page2.jsp">链接到session_page2.jsp</a>    <%    session.invalidate();    %>  </body></html>

//session_page2.jsp<%@ page language="java" import="java.util.*, java.text.*" 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>  <%  SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd,HH-mm-ss");  String[] att = session.getValueNames();  for(int i=0;i<att.length;i++){  out.println(att[i]);  }  %>    <%=sdf.format(session.getCreationTime()) %><br/>    <%=session.getId() %>  </body></html>

//web.xml    <session-config>    <session-timeout>30</session-timeout></session-config>

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