EF+MVC+Bootstrap 项目实践 Day7

HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"]
HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"]

                IPHostEntry host = Dns.GetHostEntry(Dns.GetHostName());
                foreach(IPAddress ip in host.AddressList){
                    if(ip.AddressFamily == AddressFamily.InterNetwork) return ip.ToString();
                }
                return HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"] ?? HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];