using System;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Xml.Linq;
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
// 若要允许使用 ASP.NET AJAX 从脚本中调用此 Web 服务，请取消对下行的注释。
// [System.Web.Script.Services.ScriptService]
public class Service : System.Web.Services.WebService
{   public Service () {   //如果使用设计的组件，请取消注释以下行    //InitializeComponent();
    }   //[WebMethod]   //public string HelloWorld()   //{   //    return "Hello World";   //}   [WebMethod(Description = "求和的方法")]   public double addition(double i, double j)   {   return i + j;   }   [WebMethod(Description = "求差的方法")]   public double subtract(double i, double j)   {   return i - j;   }   [WebMethod(Description = "求积的方法")]   public double multiplication(double i, double j)   {   return i * j;   }   [WebMethod(Description = "求商的方法")]   public double division(double i, double j)   {   if (j != 0)   return i / j;   else  return 0;   }
}  

 static void Main(string[] args){ServiceTest.ServiceSoapClient stsoap = new ServiceTest.ServiceSoapClient();double c= stsoap.addition(1, 2);Console.WriteLine(c.ToString());// vs 2010中两种方式ServiceTest.Service st = new ServiceTest.Service();double a = st.addition(1, 2);Console.WriteLine(a.ToString());Console.ReadKey();}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;namespace NETRemotiongInterface
{public interface IRemotingTest{double add(double a,double b);}
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using NETRemotiongInterface;namespace RemotingServer
{class TestServiceImp : MarshalByRefObject,IRemotingTest

{ #region IRemotingTest 成员 public double add(double a, double b) { return a + b; } #endregion } }

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.Remoting.Channels.Tcp;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Channels;namespace RemotingServer
{class Program{static void Main(string[] args){TcpChannel tcpChannel = new TcpChannel(9999);ChannelServices.RegisterChannel(tcpChannel);//注册服务：第一个参数为服务的实现类，第二个参数为服务的名字。
RemotingConfiguration.RegisterWellKnownServiceType(typeof(TestServiceImp),"test", WellKnownObjectMode.Singleton);//注册服务。如果控制台程序，控制不要让程序退出，//主要目的是不要让服务器退出while (true){string s = Console.ReadLine();if (s == "quit"){return;}}}}
}

namespace RemotingClient
{class Program{static void Main(string[] args){TcpChannel tcpChannel = new TcpChannel();ChannelServices.RegisterChannel(tcpChannel, false);IRemotingTest test =(IRemotingTest)Activator.GetObject(typeof(IRemotingTest), "tcp://127.0.0.1:9999/test");//第一个参数为服务实现的接口，第二个参数为服务的地址：最后一部分是服务在服务器端RegisterWellKnownServiceType时第二个参数的名字然后就可以调用服务端方法了。double a = test.add(1, 2);Console.WriteLine(a.ToString());Console.ReadKey();}}
}

using System;
using System.Net;
using System.Net.Sockets;
using System.Text;public class SynchronousSocketClient {public static void StartClient() {// Data buffer for incoming data.byte[] bytes = new byte[1024];// Connect to a remote device.try {// Establish the remote endpoint for the socket.// This example uses port 11000 on the local computer.IPHostEntry ipHostInfo = Dns.Resolve(Dns.GetHostName())IPAddress ipAddress = ipHostInfo.AddressList[0];IPEndPoint remoteEP = new IPEndPoint(ipAddress,11000);// Create a TCP/IP  socket.Socket sender = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp );// Connect the socket to the remote endpoint. Catch any errors.try {sender.Connect(remoteEP);Console.WriteLine("Socket connected to {0}",sender.RemoteEndPoint.ToString());// Encode the data string into a byte array.byte[] msg = Encoding.ASCII.GetBytes("This is a test<EOF>");// Send the data through the socket.int bytesSent = sender.Send(msg);// Receive the response from the remote device.int bytesRec = sender.Receive(bytes);Console.WriteLine("Echoed test = {0}",Encoding.ASCII.GetString(bytes,0,bytesRec));// Release the socket.
                sender.Shutdown(SocketShutdown.Both);sender.Close();} catch (ArgumentNullException ane) {Console.WriteLine("ArgumentNullException : {0}",ane.ToString());} catch (SocketException se) {Console.WriteLine("SocketException : {0}",se.ToString());} catch (Exception e) {Console.WriteLine("Unexpected exception : {0}", e.ToString());}} catch (Exception e) {Console.WriteLine( e.ToString());}}public static int Main(String[] args) {StartClient();return 0;}
}

using System;
using System.Net;
using System.Net.Sockets;
using System.Text;public class SynchronousSocketListener {// Incoming data from the client.public static string data = null;public static void StartListening() {// Data buffer for incoming data.byte[] bytes = new Byte[1024];// Establish the local endpoint for the socket.// Dns.GetHostName returns the name of the // host running the application.IPHostEntry ipHostInfo = Dns.Resolve(Dns.GetHostName());IPAddress ipAddress = ipHostInfo.AddressList[0];IPEndPoint localEndPoint = new IPEndPoint(ipAddress, 11000);// Create a TCP/IP socket.Socket listener = new Socket(AddressFamily.InterNetwork,SocketType.Stream, ProtocolType.Tcp );// Bind the socket to the local endpoint and // listen for incoming connections.try {listener.Bind(localEndPoint);listener.Listen(10);// Start listening for connections.while (true) {Console.WriteLine("Waiting for a connection");// Program is suspended while waiting for an incoming connection.Socket handler = listener.Accept();data = null;// An incoming connection needs to be processed.while (true) {bytes = new byte[1024];int bytesRec = handler.Receive(bytes);data += Encoding.ASCII.GetString(bytes,0,bytesRec);if (data.IndexOf("<EOF>") > -1) {break;}}// Show the data on the console.Console.WriteLine( "Text received : {0}", data);// Echo the data back to the client.byte[] msg = Encoding.ASCII.GetBytes(data);handler.Send(msg);handler.Shutdown(SocketShutdown.Both);handler.Close();}} catch (Exception e) {Console.WriteLine(e.ToString());}Console.WriteLine("\nPress ENTER to continue");Console.Read();}public static int Main(String[] args) {StartListening();return 0;}
}