/// <summary>
        /// 创建Cookie
        /// </summary>
        /// <param name="cookiename">Cookie的变量名称</param>
        /// <param name="value">Cookie的值</param>
        /// <param name="expires">Cookie的过期时间,默认为1</param>
        /// <param name="isexpires">是否存储过期时间</param>
        public static void AddCookie(string cookiename, string value, int expires, bool isexpires)
        {
            //设置过期时间默认值
            //if (expires < 1 || string.IsNullOrEmpty(expires.ToString()))
            //{
            //    expires = 1;
            //}
            if (string.IsNullOrEmpty(expires.ToString()))
            {
                expires = 1;
            }

            //创建票证
            FormsAuthenticationTicket RED_USERID_ticket = new FormsAuthenticationTicket(1, value, DateTime.Now, DateTime.Now.AddDays(expires), true, domin, "/");
            //给票证加密
            var now_ticket = FormsAuthentication.Encrypt(RED_USERID_ticket);

            //创建cookie并给cookie赋值
            CookieHelper_HongRenHui.WriteCookie(MD5Tool.getMd5Hash(cookiename), now_ticket, domin);
            //判断是否有过期时间
            if (isexpires)
            {
                //CookieHelper_HongRenHui.WriteCookie("expires", expires.ToString(), domin);
                //CookieHelper_HongRenHui.WriteCookie(new string[] { MD5Tool.getMd5Hash(cookiename) }, expires);
                CookieHelper_HongRenHui.WriteCookie(MD5Tool.getMd5Hash(cookiename), now_ticket, expires, domin);
            }
        }