HttpSessionBindingListener监听器里面的二个方法倒底什么时候触好啊?

HttpSession.putValue()和removeValue()都是Deprecated的。

解决方案 »

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//MySessionListener.javapackage com.yan;import javax.servlet.http.HttpSessionAttributeListener;
import javax.servlet.http.HttpSessionBindingEvent;public class MySessionListener implements HttpSessionAttributeListener { public void attributeAdded(HttpSessionBindingEvent arg0) {
System.out.println("attributeAdded"); } public void attributeRemoved(HttpSessionBindingEvent arg0) {
System.out.println("attributeRemoved"); } public void attributeReplaced(HttpSessionBindingEvent arg0) {
System.out.println("attributeReplaced"); }}
//web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<listener>
<listener-class>com.yan.MySessionListener</listener-class>
</listener></web-app>
//MyJsp.jsp<%@ page language="java" import="java.util.*" pageEncoding="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 'MyJsp.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">

    
  </head>

  <body>
    This is my JSP page. <br>
    <%
   //session.setAttribute("aaa","AAA");
   session.setAttribute("SSSSSSS",new Vector());
   // session.removeAttribute("aaa");
//session.getSessionContext();
//session.setMaxInactiveInterval(0);
   session.invalidate();
   %>

  </body>
</html>
相关文档：
http://edocs.bea.com/wls/docs81/webapp/app_events.html