static void Main(string[] args)
        {
            CookieContainer cc = new CookieContainer();
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://www.baidu.com");
            request.CookieContainer = cc;
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            foreach (Cookie c in response.Cookies)
            {
                Console.WriteLine(c.ToString());
            }
            int s = cc.Count;
            Console.WriteLine(s);
            Console.ReadKey();
        }