package com.stono.servlet.listenerorder;

import java.io.IOException;

import java.io.PrintWriter;

import java.util.Date;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.servlet.http.HttpSession;

public class SessionON2 extends HttpServlet {

    private static final long serialVersionUID = 1L;

    @Override

    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

        // 获取已经存在的session；

        // HttpSession session = req.getSession(false);

        HttpSession session = req.getSession();

        // 用这个方式竟然不能让session失效；

        session.setMaxInactiveInterval(0);

        // 这个session可能为null；

        boolean new1 = session.isNew();

        System.out.println("session is " + new1);

        System.out.println("当前时间：" + new Date());

        long creationTime = session.getCreationTime();

        Date date = new Date(creationTime);

        System.out.println("创建时间：" + date);

        long lastAccessedTime = session.getLastAccessedTime();

        Date date2 = new Date(lastAccessedTime);

        System.out.println("最后访问时间：" + date2);

        int maxInactiveInterval = session.getMaxInactiveInterval();

        System.out.println("最大间隔：" + maxInactiveInterval);

        // 用这个方法使session失效了；

        session.invalidate();

        PrintWriter writer = resp.getWriter();

        writer.println("com.stono.servlet.listenerorder.SessionON2.doGet(HttpServletRequest, HttpServletResponse)");

    }

}