.net中获取ip地址

     

        /// <summary>
        /// 获取客户端的ip地址
        /// </summary>
        /// <returns></returns>
        public string GetClientIP()
        {
        string result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
        if (null == result || result == String.Empty)
            {
           result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
             }
        if (null == result || result == String.Empty)
            {
            result = HttpContext.Current.Request.UserHostAddress;
            }
        return result;
        }