      public class CookieHelper
        {
            ///
            /// 获取简化COOKIE 删除 setCookie中的 expires=|max-ag=|path=|domain=|HttpOnly
            ///
            ///
            ///
    		public static string GetSmallCookie(IEnumerable cookies)
            {
                string[] strs;
                StringBuilder sb = new StringBuilder(128);
                HashSet hash = new HashSet();
                foreach (var item in cookies)
                {
                    strs = item.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
                    foreach (var sub in strs)
                    {
                        if (!Regex.IsMatch(sub, "expires=|max-ag=|path=|domain=|HttpOnly", RegexOptions.IgnoreCase)) hash.Add(sub.Trim());
                    }

                }
                return string.Join("; ", hash);
            }