spring boot——请求与参数校验——cookie&session——httpsession对象的获取&共享数据...

╰半夏微凉° 2023-09-28 23:58 44阅读 0赞

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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);
    
        }
    
    }

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