/// <summary>

   /// 获取IP地址

   /// </summary>

        public static string IPAddress

        {

            get

            {

                string userIP;

                // HttpRequest Request = HttpContext.Current.Request;

                HttpRequest Request = HttpContext.Current.Request; // ForumContext.Current.Context.Request;

                // 如果使用代理，获取真实IP

                if (Request.ServerVariables["HTTP_X_FORWARDED_FOR"] != "")

                    userIP = Request.ServerVariables["REMOTE_ADDR"];

                else

                    userIP = Request.ServerVariables["HTTP_X_FORWARDED_FOR"];

                if (userIP == null || userIP == "")

                    userIP = Request.UserHostAddress;

                return userIP;

            }

        }