[ServiceContract]
    public interface IWcfContract
    {
        [OperationContract]
        string GetData(int value);
    }

public class ImplementService : IWcfContract
    {
        public string GetData(int value)
        {
            return "你输入的是：" + value;
        }
    }

<system.serviceModel>
        <services>
            <service name="WcfServer" behaviorConfiguration="WcfServerBehavior">
                <!-- Service Endpoints -->
                <endpoint address="" binding="wsHttpBinding" contract="IContract.IWcfContract"/>
                <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/>
            </service>
        </services>
        <behaviors>
            <serviceBehaviors>
                <behavior name="WcfServerBehavior">
                    <!-- 为避免泄漏元数据信息，请在部署前将以下值设置为 false 并删除上面的元数据终结点-->
                    <serviceMetadata httpGetEnabled="true"/>
                    <!-- 要接收故障异常详细信息以进行调试，请将以下值设置为 true。在部署前设置为 false 以避免泄漏异常信息-->
                    <serviceDebug includeExceptionDetailInFaults="false"/>
                </behavior>
            </serviceBehaviors>
        </behaviors>
    </system.serviceModel>

<system.serviceModel>

<behaviors>
      <serviceBehaviors>
        <behavior name="WcfServerBehavior">
          <!-- 为避免泄漏元数据信息，请在部署前将以下值设置为 false 并删除上面的元数据终结点-->
          <serviceMetadata httpGetEnabled="true"/>
          <!-- 要接收故障异常详细信息以进行调试，请将以下值设置为 true。在部署前设置为 false 以避免泄漏异常信息-->
          <serviceDebug includeExceptionDetailInFaults="false"/>
        </behavior>
      </serviceBehaviors>
    </behaviors>

<services>

<service name="WcfServer" behaviorConfiguration="WcfServerBehavior">
        <endpoint binding="netTcpBinding" contract="IContract.IWcfContract"
                  bindingConfiguration="ServerBinding"
                  address="net.tcp://localhost:3286/App/Server/"/>
        <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" />
        <host>
          <baseAddresses>
            <add baseAddress="http://localhost:3285/App/Server/"/>
          </baseAddresses>
        </host>
      </service>
    
    </services>
   
    <bindings>
      
      <netTcpBinding>
        <binding name="ServerBinding">
          <security mode="None">
            <transport clientCredentialType="None" />
            <message clientCredentialType="None" />
          </security>
        </binding>
      </netTcpBinding>
      
    </bindings>
    
  </system.serviceModel>

<!--创建web宿主的信道工厂-->
  <object id="WebChannelFactory"
      type="System.ServiceModel.ChannelFactory&lt;IContract.IWcfContract>, System.ServiceModel">
    <constructor-arg name="endpointConfigurationName" value="WSHttpBinding_IContract" />
  </object>

<!--调用web宿主的代理类-->
  <object id="WebProxy"
        type="IContract.IWcfContract, IContract"
        factory-object="WebChannelFactory"
        factory-method="CreateChannel" singleton="false" />

<!--创建app宿主的信道工厂-->
  <object id="AppChannelFactory"
    type="System.ServiceModel.ChannelFactory&lt;IContract.IWcfContract>, System.ServiceModel">
    <constructor-arg name="endpointConfigurationName" value="NetTcpBinding_IContract" />
  </object>

<!--调用app宿主的代理类-->
  <object id="AppProxy"
        type="IContract.IWcfContract, IContract"
        factory-object="AppChannelFactory"
        factory-method="CreateChannel"/>

    <client>
      <endpoint address="http://localhost:3287/WebHost.svc" binding="wsHttpBinding"
          bindingConfiguration="WSHttpBinding_IContract" contract="IContract.IWcfContract"
          name="WSHttpBinding_IContract"/>

<endpoint address="net.tcp://localhost:3286/App/Server/" binding="netTcpBinding"
            bindingConfiguration="NetTcpBinding_IContract" contract="IContract.IWcfContract"
            name="NetTcpBinding_IContract"/>
    </client>

class Program
    {
        static void Main(string[] args)
        {
            IApplicationContext cxt = ContextRegistry.GetContext();
            
            //调用web宿主
            IWcfContract webProxy = (IWcfContract)cxt.GetObject("WebProxy");
            Console.WriteLine(webProxy.GetData(1));

//调用app宿主
            IWcfContract appProxy = (IWcfContract)cxt.GetObject("AppProxy");
            Console.WriteLine(appProxy.GetData(2));

Console.ReadLine();
        }
    }