标签：space == 网盘 imp 手机 多个 eal ber RoCE
链接: https://pan.baidu.com/s/1-U-ayVaXgo9UUFVj1bO8qg 提取码: bhe6 复制这段内容后打开百度网盘手机App，操作更方便哦
使用多个浏览器打开模拟多用户登录
package com.my.deal;
import javax.servlet.ServletContext;import javax.servlet.http.HttpSession;import javax.servlet.http.HttpSessionEvent;import javax.servlet.http.HttpSessionListener;public class ServletListener implements HttpSessionListener{ /** * 创建 */ @Override public void sessionCreated(HttpSessionEvent se) { HttpSession session=se.getSession(); ServletContext servletContext = session.getServletContext(); Object object = servletContext.getAttribute("num"); if (object == null) { servletContext.setAttribute("num", 1); } else { Object num = servletContext.getAttribute("num"); int num1 = (int) num; servletContext.setAttribute("num", num1 + 1); } } /** * 销毁 */ @Override public void sessionDestroyed(HttpSessionEvent se) { ServletContext servletContext = se.getSession().getServletContext(); servletContext.setAttribute("num", (long)servletContext.getAttribute("num")-1); }}<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
version="4.0">
<listener>
<listener-class>ServletListener</listener-class>
</listener>
</web-app>
标签：space == 网盘 imp 手机 多个 eal ber RoCE
原文地址：https://www.cnblogs.com/WLYW/p/10704679.html
