package de.bvb.cookie;

import java.io.IOException;

import java.io.PrintWriter;

import java.util.Date;

import javax.enterprise.inject.ResolutionException;

import javax.servlet.ServletException;

import javax.servlet.http.Cookie;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.swing.text.DateFormatter;

/**

 * 显示上次访问时间

 *

 * @author joker

 *

 */

public class CookieDemo1 extends HttpServlet {

    public void doGet(HttpServletRequest request, HttpServletResponse response)

            throws ServletException, IOException {

        response.setCharacterEncoding("UTF-8");

        response.setContentType("text/html; charset=UTF-8");

        PrintWriter out = response.getWriter();

        out.write("您上次访问的时间是: ");

        // 获取上次访问时间

        Cookie[] cookies = request.getCookies();

        for (int i = 0; cookies != null && i < cookies.length; i++) {

            if (cookies[i].getName().equals("lastAccessTime")) {

                Long cookieValue = Long.parseLong(cookies[i].getValue());

                out.write(new Date(cookieValue).toLocaleString());

            }

        }

        // 保存本次访问时间

        Cookie cookie = new Cookie("lastAccessTime", System.currentTimeMillis()

                + "");

        response.addCookie(cookie);

    }

    public void doPost(HttpServletRequest request, HttpServletResponse response)

            throws ServletException, IOException {

        doGet(request, response);

    }

}