wcf小实例（2）

//用app.config实现wcf调用

////定义contrat interface





using System;

using System.ServiceModel;

using System.Text;



namespace DataSericesContract

{

    [ServiceContract(Name = "DataServicesContract", Namespace = "www.msdn.com")]

    public interface IDataObj

    {

        [OperationContract(Name = "MethodA", Action = "www.msdn.com/DataServicesContract/NameMethod", ReplyAction = "www.msdn.com")]

        string NameMethod();

        [OperationContract(Name = "MethodB", Action = "www.msdn.com/DataServicesContract/AdminMethod", ReplyAction = "www.msdn.com")]

        string AdminMethod();

    }

}

///////////实现该接口类



using System;

using System.ServiceModel;

using System.Text;

using DataSericesContract;



namespace DataSerices

{

   public class DataObj : IDataObj

    {



        #region IDataObj 成员



        public string NameMethod()

        {

            return "IDataOjb.NameMethod invoked";

        }



        public string AdminMethod()

        {

            return "IDataOjb.AdminMethod invoked";

        }



        #endregion

    }

}





///////////////////////service host



using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.ServiceModel;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

using DataSerices;

using DataSericesContract;



namespace ServiceHostWCF

{

    public partial class HostWCF : Form

    {

        public HostWCF()

        {

            InitializeComponent();

        }



        private void button1_Click(object sender, EventArgs e)

        {

            ServiceHost host = null;

            try

            {

                using (host = new ServiceHost(typeof(DataObj)))

                {

                    host.Open();

                    this.button1.Enabled = false;

                    this.toolstart.Text = "services start aucceed !";

                }

            }

            catch (Exception ex)

            {

                MessageBox.Show(ex.Message);

                this.button1.Enabled = true;

                this.toolstart.Text = "Services start fail";

            }

            finally

            {

                if (host != null)

                    host.Close();

            }

        }

    }

}





///////////////////app.config//////////////////////

<?xml version="1.0" encoding="utf-8" ?>

<configuration>

  <system.serviceModel>

    <services>

      <service name="DataSerices.DataObj" behaviorConfiguration="serviceBehavior">

        <endpoint address="DataObj" contract="DataSericesContract.IDataObj" binding="basicHttpBinding" />

        <endpoint contract="IMetadataExchange" binding="mexHttpBinding" address="mex"/>

        <host>

          <baseAddresses>

            <add baseAddress="http://localhost:8900"/>

          </baseAddresses>

        </host>

      </service>

    </services>



    <behaviors>

      <serviceBehaviors>

        <behavior name="serviceBehavior">

          <serviceMetadata httpGetEnabled="true"/>

        </behavior>

      </serviceBehaviors>

    </behaviors>



  </system.serviceModel>

</configuration>