.net(c#)获取客户端真实IP，非代理_.NET_编程开发_程序员俱乐部

        /// <summary>
        /// 获取客户端真实IP,非代理地址
        /// </summary>
        /// <returns></returns>
        public string GetUserIP()
        {
            string userIP = string.Empty;
            if (Request.ServerVariables["HTTP_VIA"] == null)
            {
                userIP = Request.UserHostAddress;
            }
            else
            {
                userIP = Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
            }
            return userIP;
        }