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package com.guipei.listener;
 
import java.util.Hashtable;
import java.util.Iterator;
 
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;
 
public class SessionListener implements HttpSessionListener {
 
    // ¼¯ºÏ¶ÔÏ󣬱£´æsession ¶ÔÏóµÄÒýÓÃ
    static Hashtable ht = new Hashtable();
 
    // ʵÏÖHttpSessionListener½Ó¿Ú£¬Íê³Ésession´´½¨Ê¼þ¿ØÖÆ
    public void sessionCreated(HttpSessionEvent arg0) {
       HttpSession session = arg0.getSession();
       ht.put(session.getId(), session );
       System.out.println("create session :" + session.getId() );
    }
 
    // ʵÏÖHttpSessionListener½Ó¿Ú£¬Íê³ÉsessionÏú»Ùʼþ¿ØÖÆ
public void sessionDestroyed(HttpSessionEvent arg0) {
       HttpSession session = arg0.getSession();
       System.out.println("destory session :" + session.getId() );