public static RequestHostInfo GetRequestHostInfo(HttpRequestBase request) { var result = new RequestHostInfo { OSVersion = PFDataHelper.GetOSVersion(request), //ok Browser = PFDataHelper.GetBrowser(request) //,//,ok //IPAddress = PFDataHelper.GetIPAddress(request), , //,ok IPAddress = request.UserHostAddress, }; ////跨域访问时,这段代码报错:不知道这样的主机 //string HostName = string.Empty; //string ip = string.Empty; //string ipv4 = String.Empty; //if (!string.IsNullOrEmpty(request.ServerVariables["HTTP_VIA"])) // ip = Convert.ToString(request.ServerVariables["HTTP_X_FORWARDED_FOR"]); //if (string.IsNullOrEmpty(ip)) // ip = request.UserHostAddress; //// 利用 Dns.GetHostEntry 方法,由获取的 IPv6 位址反查 DNS 纪录,<br> // 再逐一判断何者为 IPv4 协议,即可转为 IPv4 位址。 //foreach (IPAddress ipAddr in Dns.GetHostEntry(ip).AddressList) //{ // if (ipAddr.AddressFamily.ToString() == "InterNetwork") // { // ipv4 = ipAddr.ToString(); // } //} //result.HostName = Dns.GetHostEntry(ip).HostName; return(result); //HostName = "主机名: " + Dns.GetHostEntry(ip).HostName + " IP: " + ipv4; } /// <summary>