listsession.java

gensou.rar为某渔具厂的一个简单ERP系统。为比较基础的工程

package com.gensou.util;

import java.util.HashMap;

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

public class ListSession implements HttpSessionListener {

	public void sessionCreated(HttpSessionEvent arg0) {
		// TODO Auto-generated method stub

	}

	public void sessionDestroyed(HttpSessionEvent arg0) {
       String user=(String)arg0.getSession().getAttribute("username");
       HashMap hash=(HashMap)arg0.getSession().getServletContext().getAttribute("hash");
       hash.remove(user);
	}

}