WCF 服务器与客户端同在一个项目问题
本帖最后由 eugeneyj 于 2013-04-27 10:45:00 编辑 我想在一个项目中即是客户端又是服务器，放在一个窗体里面就会报错，当打开两个exe文件，一个开服务端，一个当客户端就可以正常连接！
以下代码,刚接触WCF 求讲解

        /// <summary>
        /// 链接服务器 发送消息
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button2_Click(object sender, EventArgs e)
        {   
            string address = "net.tcp://localhost:6666/hello";
            ChannelFactory<WindowsServer.Client.IHello> myChannelFactory = new ChannelFactory<WindowsServer.Client.IHello>(new NetTcpBinding(SecurityMode.None), new EndpointAddress(address));
            WindowsServer.Client.IHello wcfClient = myChannelFactory.CreateChannel();
            using (wcfClient as IDisposable)
            {
                wcfClient.Say(messText.Text);
            }
        }


        public ServiceHost StartTCPServer()
        {
            try
            {
                Uri baseAddress = new Uri("http://localhost:8889");
                string address = "net.tcp://localhost:6666/hello";
                ServiceHost serviceHost = new ServiceHost(typeof(HelloService), baseAddress);
                NetTcpBinding binding = new NetTcpBinding(SecurityMode.None);
                serviceHost.AddServiceEndpoint(typeof(WindowsServer.Services.IHello), binding, address);
                serviceHost.Open();
                return serviceHost;
            }
            catch (Exception ex)
            { 
            
            }
            return null;
        }
 
 
        ServiceHost ServiceHostParam=null ;
        /// <summary>
        /// 启动服务
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button3_Click(object sender, EventArgs e)
        {
           ServiceHostParam= StartTCPServer();                      
        }
        /// <summary>
        /// 停止服务
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button4_Click(object sender, EventArgs e)
        {
            ServiceHostParam.Close();
        }



/////////////////客户端IHello//////////////////////
namespace WindowsServer.Client
{
   [ServiceContract]
    interface IHello
    {
        [OperationContract(IsOneWay = true)]
        void Say(string name);
        [OperationContract(IsOneWay = true)]
        void Say1(string name);
    }

}
////////////////////服务端IHello/////////////////////////////
    [ServiceContract]
    public interface IHello
    {
        [OperationContract(IsOneWay =true )]
        void Say(string name);
        [OperationContract(IsOneWay = true)]
        void Say1(string name);
    }
////////////////////////服务端IHello接口实现类//////////////////////////////////////
 [ServiceBehavior]
    public class HelloService:IHello
    {
        [OperationBehavior]
        public void Say(string name)
        {

            OperationContext context = OperationContext.Current;
            MessageProperties messageProperties = context.IncomingMessageProperties;
            RemoteEndpointMessageProperty endpointProperty =messageProperties[RemoteEndpointMessageProperty.Name]
                as RemoteEndpointMessageProperty; 
 

             Console.WriteLine( string.Format("Hello {0}! Your IP address is {1} and your port is {2}", name, endpointProperty.Address, endpointProperty.Port));            
            
        }

        [OperationBehavior]
        public void Say1(string name)
        {            
        }
}

WCF 协议 tcp
[解决办法]
我的理解，大概原因是你的客户端和服务器端都监控了同一个端口。当是一个应用程序时，就分不清你的请求和回复是源自客户端还是服务器端了。