C#开发中如何处理远程调用和远程过程调用

using System;

namespace RemoteCallExample
{
    public interface IRemoteService
    {
        string SayHello(string name);
    }
}

using System;

namespace RemoteCallExample
{
    public class RemoteService : MarshalByRefObject, IRemoteService
    {
        public string SayHello(string name)
        {
            return $"Hello, {name}!";
        }
    }
}

using System;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Channels;
using System.Runtime.Remoting.Channels.Tcp;

namespace RemoteCallExample
{
    class Program
    {
        static void Main(string[] args)
        {
            TcpChannel channel = new TcpChannel(8080);
            ChannelServices.RegisterChannel(channel, false);

            RemotingConfiguration.RegisterWellKnownServiceType(typeof(RemoteService), "RemoteService", WellKnownObjectMode.Singleton);

            Console.WriteLine("Remote service is running.");
            Console.ReadKey();
        }
    }
}

using System;

namespace RemoteCallExample
{
    class Program
    {
        static void Main(string[] args)
        {
            IRemoteService remoteService = (IRemoteService)Activator.GetObject(typeof(IRemoteService), "tcp://localhost:8080/RemoteService");

            string result = remoteService.SayHello("John");
            Console.WriteLine(result);

            Console.ReadKey();
        }
    }
}

using System.ServiceModel;

namespace RemoteCallExample
{
    [ServiceContract]
    public interface IRemoteService
    {
        [OperationContract]
        string SayHello(string name);
    }
}

namespace RemoteCallExample
{
    public class RemoteService : IRemoteService
    {
        public string SayHello(string name)
        {
            return $"Hello, {name}!";
        }
    }
}

<system.serviceModel>
  <services>
    <service name="RemoteCallExample.RemoteService">
      <endpoint address="" binding="basicHttpBinding" contract="RemoteCallExample.IRemoteService" />
      <host>
        <baseAddresses>
          <add baseAddress="http://localhost:8080/RemoteService" />
        </baseAddresses>
      </host>
    </service>
  </services>
</system.serviceModel>

using System;
using System.ServiceModel;

namespace RemoteCallExample
{
    class Program
    {
        static void Main(string[] args)
        {
            ChannelFactory<IRemoteService> channelFactory = new ChannelFactory<IRemoteService>(new BasicHttpBinding(), new EndpointAddress("http://localhost:8080/RemoteService"));
            IRemoteService remoteService = channelFactory.CreateChannel();

            string result = remoteService.SayHello("John");
            Console.WriteLine(result);

            Console.ReadKey();
        }
    }
}