spring boot——请求与参数校验——cookie&session——httpsession细节

package org.example.controller;

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

@RestController
public class CookieSessionController
{

    @RequestMapping(value = "/cookieTest1")                     //获取请求行数据
    public void test1(HttpServletRequest request,HttpServletResponse response)
    {
        Cookie as = new Cookie("msg","hello");
        as.setMaxAge(20);
        response.addCookie(as);

        response.addCookie(new Cookie("cook-001-name" ,"cookie-001-value"));

    }


    @RequestMapping(value = "/cookieTest2")
    public void test15(HttpServletRequest request,HttpServletResponse response)
    {

        Cookie[] cookies = request.getCookies();

        if ( cookies != null)
        {
            for (Cookie c : cookies)
            {
                System.out.println(c.getName()+"      "+c.getValue());
            }
        }

    }





    @RequestMapping(value = "/sessionTest1")
    public void test3(HttpServletRequest request,HttpServletResponse response)
    {

        HttpSession session = request.getSession();

        session.setAttribute("msg","session-hello");

    }


    @RequestMapping(value = "/sessionTest2")
    public void test4(HttpServletRequest request,HttpServletResponse response)
    {

        HttpSession session = request.getSession();
        Object as = session.getAttribute("msg");
        System.out.println(as);

    }


    @RequestMapping(value = "/sessionTest3")
    public void test5(HttpServletRequest request,HttpServletResponse response)
    {

        //期望服务器关闭后也能获取session

        HttpSession session = request.getSession();
        System.out.println(session);

        Cookie c = new Cookie("JSESSIONID",session.getId());
        c.setMaxAge(60*60*60);
        response.addCookie(c);

    }

}