此源码转载自网络,仅供学习测试.服务器和客户端均为控制台应用程序.
我加了许多备注,初学C#,还有许多没加上的,是因为自己半知不解,所以还是不加了.
备注加问号的都是自己不能确定的,还希望各路朋友指正
源码会在稍后上传
以下是服务器代码:
using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Net.Sockets;using System.Net;using System.Threading;namespace socserver{ class Program { private static byte[] result = new byte[1024]; private static int myProt=8885; static Socket serverSocket; static void Main(string[] args) { IPAddress ip = IPAddress.Parse("127.0.0.1");//设定IP serverSocket = new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);//创建套接字 serverSocket.Bind(new IPEndPoint(ip, myProt)); //绑定IP和端口 serverSocket.Listen(10);//设定最多10个排队连接请求 Console.WriteLine("启用监听{0}端口成功",serverSocket.LocalEndPoint.ToString()); Thread myThread = new Thread(ListenClientConnect);//创建一个线程来监听用户请求 myThread.Start();//启动线程 Console.ReadLine(); } /// <summary> /// 监听客户端连接 /// </summary> private static void ListenClientConnect() { while (true) { Socket clientSocket = serverSocket.Accept();//这个大概是为新建连接创建新的SOCKET套接字的意思吧,也就是说每连接一个客户端就新建一个套接字? clientSocket.Send(Encoding.ASCII.GetBytes("Server Say Hello!"));//向客户端发送信息 Thread receiveThread = new Thread(ReceiveMessage);//创建一个线程以接收客户端发来的信息 receiveThread.Start(clientSocket);//启动这个线程以开始监听的意思吗? } } /// <summary> /// 接收消息 /// </summary> /// <param name="clientSocket"></param> private static void ReceiveMessage(object clientSocket) { Socket myClientSocket = (Socket)clientSocket;//这个是定义一个套接字吗 while (true) { try { int receiveNumber = myClientSocket.Receive(result);//把接收的信息总字节数存储进定义的变量之中? Console.WriteLine("接受客户端{0}消息{1}", myClientSocket.RemoteEndPoint.ToString(), Encoding.ASCII.GetString(result, 0, receiveNumber)); } catch (Exception ex) { Console.WriteLine("错误:"+ex.Message); myClientSocket.Shutdown(SocketShutdown.Both); myClientSocket.Close(); break; } } } }}以下是客户端代码:
using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Net;using System.Net.Sockets;using System.Threading;namespace socClient{ class Program { private static byte[] result = new byte[1024]; static void Main(string[] args) { IPAddress ip = IPAddress.Parse("127.0.0.1");//实例化一个IP对象 Socket clientSocket = new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);//大概还是定义一个套接字用来连接服务器 try { clientSocket.Connect(new IPEndPoint(ip, 8885));//连接服务器 Console.WriteLine("连接服务器成功"); } catch { Console.WriteLine("连接失败,按回车键退出!"); return; } int receiveLength = clientSocket.Receive(result);//通过clientSocket接收数据并把数据字节数长度赋值给左边变量 Console.WriteLine("接收服务器消息:{0}",Encoding.ASCII.GetString(result,0,receiveLength)); try { Thread.Sleep(1000);//等待1秒钟 string sendMessage = "client send Message Help!" + DateTime.Now; clientSocket.Send(Encoding.ASCII.GetBytes(sendMessage));//向服务器发送信息 Console.WriteLine("向服务器发送消息:{0}",sendMessage); } catch { clientSocket.Shutdown(SocketShutdown.Both); clientSocket.Close(); } Console.WriteLine("发送完毕,按回车键退出"); Console.ReadLine(); } }}
