sessioncounter.java

来自「网上商城源码,功能包括商品管理,订单管理,用户管理等」· Java 代码 · 共 23 行

package com.shop.common;

import javax.servlet.*;
import javax.servlet.http.*;

public class SessionCounter implements HttpSessionListener {

	private static int activeSessions = 0;

	public void sessionCreated(HttpSessionEvent se) {
		activeSessions++;
	}

	public void sessionDestroyed(HttpSessionEvent se) {
		if (activeSessions > 0)
			activeSessions--;
	}

	public static int getActiveSessions() {
		return activeSessions;
	}
}