package com.fgkj.Listeners;

import java.util.Map;

import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;

import com.fgkj.dto.UserClient;

public class Sessionlister implements HttpSessionListener {

	public void sessionCreated(HttpSessionEvent event) {
		//System.out.println("session被创建");
	}

	public void sessionDestroyed(HttpSessionEvent event) {
		//System.out.println("session被销毁");
		HttpSession session=event.getSession();
		String ip=(String)session.getAttribute("ip");		
		Map<String,UserClient> map=(Map)session.getServletContext().getAttribute("users");
		if(map!=null){			
			if(map.get(ip)!=null){
				map.remove(ip);
			}			
		}
	}
}