public class OuterPortReflector : SoapExtensionReflector
    {
        private static Dictionary<string, bool> portsName = new Dictionary<string, bool>();

        public override void ReflectMethod()
        {            
        }

        public override void ReflectDescription()
        {
            ServiceDescription description = ReflectionContext.ServiceDescription;
            foreach (Service service in description.Services)
            {
                foreach (Port port in service.Ports)
                {
                    if (!portsName.ContainsKey(port.Binding.Name))
                    {
                        portsName.Add(port.Binding.Name, true);
                    }

                    foreach (ServiceDescriptionFormatExtension extension in port.Extensions)
                    {
                        SoapAddressBinding binding = extension as SoapAddressBinding;
                        if (null != binding)
                        {
                            binding.Location = binding.Location.Replace("http://localhost", "http://I can remove this Port");
                        }
                        else
                        {
                            // 这里在实际调试中并不会进来

                            HttpAddressBinding httpBinding = extension as HttpAddressBinding;
                            if (httpBinding != null)
                            {
                                httpBinding.Location = httpBinding.Location.Replace("http://localhost", "http://I can remove this Port");
                            }
                            else
                            {
                                Soap12AddressBinding soap12Binding = extension as Soap12AddressBinding;
                                if (soap12Binding != null)
                                {
                                    soap12Binding.Location = soap12Binding.Location.Replace("http://localhost", "http://I can remove this Port");
                                }
                            }
                        }
                    }
                }
            }

            // 通过查看生成的webService.wsdl 可以发现 并未有HTTP的port
            description.Write("D:\\Logs\\webService.wsdl");
        }      
    }

  <wsdl:service name="WebService1">
    <wsdl:port name="WebService1Soap" binding="tns:WebService1Soap">
      <!--这个location地址已经被修改到了-->
      <soap:address location="http://I can remove this Port:3821/WebService1.asmx" />
    </wsdl:port>
    <wsdl:port name="WebService1Soap12" binding="tns:WebService1Soap12">
      <!--这个location地址已经被修改到了-->
      <soap12:address location="http://I can remove this Port:3821/WebService1.asmx" />
    </wsdl:port>
    <wsdl:port name="WebService1HttpGet" binding="tns:WebService1HttpGet">
    <!--这个location地址未被修改到！！HttpGet-->
      <http:address location="http://localhost:3821/WebService1.asmx" />
    </wsdl:port>
    <wsdl:port name="WebService1HttpPost" binding="tns:WebService1HttpPost">
      <!--这个location地址未被修改到！！HttpPost-->
      <http:address location="http://localhost:3821/WebService1.asmx" />
    </wsdl:port>
  </wsdl:service>