package cookie;

import javax.servlet.ServletException;

import javax.servlet.annotation.WebServlet;

import javax.servlet.http.Cookie;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import java.io.IOException;

/**

* @author ： CodeWater

* @create ：2022-03-15-14:04

* @Function Description ：

*/

@WebServlet("/cookieDemo04")

public class CookieDemo04 extends HttpServlet {

@Override

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

Cookie c1 = new Cookie("msg", "setMaxAge");

//将cookie持久化到硬盘，30秒后会自动删除cookie文件

c1.setMaxAge(10);

//删除Cookie

// c1.setMaxAge( 0 );

resp.addCookie(c1);

}

@Override

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

this.doPost(req, resp);

}

}