C# Socket 示例

服务器端代码

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Net;using System.Net.Sockets;using System.Threading;namespace SockeTestServer{    class Program    {        private static byte[] result = new byte[1024];        private static int myProt = 8885;   //监听的端口        static Socket serverSocket;         //创建socket        static void Main(string[] args)        {            //服务器IP地址            IPAddress ip = IPAddress.Parse("127.0.0.1");            serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);            serverSocket.Bind(new IPEndPoint(ip, myProt));  //绑定IP地址：端口            serverSocket.Listen(10);    //设定最多10个排队连接请求            Console.WriteLine("启动监听{0}成功", serverSocket.LocalEndPoint.ToString());            //通过Clientsoket发送数据            Thread myThread = new Thread(ListenClientConnect);            myThread.Start();                        Console.ReadLine();        }        /// <summary>        /// 监听客户端连接        /// </summary>        private static void ListenClientConnect()        {            while (true)            {                Socket clientSocket = serverSocket.Accept();                clientSocket.Send(Encoding.ASCII.GetBytes("Server Say Hello"));                Thread receiveThread = new Thread(ReceiveMessage);                receiveThread.Start(clientSocket);            }        }        /// <summary>        /// 接收消息        /// </summary>        /// <param name="clientSocket"></param>        private static void ReceiveMessage(object clientSocket)        {            Socket myClientSocket = (Socket)clientSocket;                        while (true)            {                try                {                    //通过clientSocket接收数据                    int receiveNumber = myClientSocket.Receive(result);                    Console.WriteLine("接收客户端{0}消息{1}", myClientSocket.RemoteEndPoint.ToString(), Encoding.ASCII.GetString(result, 0, receiveNumber));                }                catch (Exception ex)                {                    Console.WriteLine(ex.Message);                    myClientSocket.Shutdown(SocketShutdown.Both);                    myClientSocket.Close();                    break;                }            }        }    }}

客户端代码

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Net;using System.Net.Sockets;using System.Threading;namespace SocketTestClient{    class Program    {        private static byte[] result = new byte[1024];        static void Main(string[] args)        {            //设定服务器IP地址            IPAddress ip = IPAddress.Parse("127.0.0.1");            Socket clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);            try            {                clientSocket.Connect(new IPEndPoint(ip, 8885)); //配置服务器IP与端口                Console.WriteLine("连接服务器成功");            }            catch            {                Console.WriteLine("连接服务器失败，请按回车键退出！");                return;            }            //通过clientSocket接收数据            int receiveLength = clientSocket.Receive(result);            Console.WriteLine("接收服务器消息：{0}", Encoding.ASCII.GetString(result, 0, receiveLength));            //通过 clientSocket 发送数据            for (int i = 0; i < 10; i++)            {                try                {                    Thread.Sleep(1000);    //等待1秒钟                    string sendMessage = "client send Message Hellp" + DateTime.Now;                    clientSocket.Send(Encoding.ASCII.GetBytes(sendMessage));                    Console.WriteLine("向服务器发送消息：{0}" + sendMessage);                }                catch                {                    clientSocket.Shutdown(SocketShutdown.Both);                    clientSocket.Close();                    break;                }            }            Console.WriteLine("发送完毕，按回车键退出");            Console.ReadLine();        }    }}