package com.listener;

import javax.servlet.http.HttpSessionEvent;

import javax.servlet.http.HttpSessionListener;

/**

* 对session的监听

*/

public class HttpSessionListenerDemo implements HttpSessionListener {

public void sessionCreated(HttpSessionEvent event) {

// 创建session时触发

System.out.println("** SESSION 创建，SESSION ID = " + event.getSession().getId());

}

public void sessionDestroyed(HttpSessionEvent event) {

// 销毁session时触发

System.out.println("** SESSION 销毁，SESSION ID = " + event.getSession().getId());

}

}

 

web.xml

<listener>

<listener-class>com.listener.HttpSessionListenerDemo</listener-class>

</listener>