1.Server

using System; using System.Collections.Generic; using System.Text; //添加Socket類 using System.Net; using System.Net.Sockets;namespace ScoketServer {class Program{static void Main(string[] args){int port = 8080;string host = "17.1.1.78";//創建終結點IPAddress ip = IPAddress.Parse(host);IPEndPoint ipe = new IPEndPoint(ip, port);//創建Socket并開始監聽 Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); //創建一個Socket對象，如果用UDP協議，則要用SocketTyype.Dgram類型的套接字s.Bind(ipe); //綁定EndPoint對象(2000端口和ip地址)s.Listen(0); //開始監聽Console.WriteLine("等待客戶端連接");//接受到Client連接，為此連接建立新的Socket，并接受消息Socket temp = s.Accept(); //為新建立的連接創建新的SocketConsole.WriteLine("建立連接");string recvStr = "";byte[] recvBytes = new byte[1024];int bytes;bytes = temp.Receive(recvBytes, recvBytes.Length, 0); //從客戶端接受消息recvStr += Encoding.ASCII.GetString(recvBytes, 0, bytes);//給Client端返回信息Console.WriteLine("server get message:{0}", recvStr); //把客戶端傳來的信息顯示出來string sendStr = "ok!Client send message successful!";byte[] bs = Encoding.ASCII.GetBytes(sendStr);temp.Send(bs, bs.Length, 0); //返回信息給客戶端 temp.Close();s.Close();Console.ReadLine();}} }

2.client

using System; using System.Collections.Generic; using System.Text; //添加Socket類 using System.Net; using System.Net.Sockets;namespace SocketClient {class Program{static void Main(string[] args){try{int port = 8080;string host = "17.1.1.78";//創建中街店EndPointIPAddress ip = IPAddress.Parse(host);IPEndPoint ipe = new IPEndPoint(ip, port); //把ip和端口轉化為IPEndPoint的實例//創建Socket并連接到服務器Socket c = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); //創建SocketConsole.WriteLine("Connecting...");c.Connect(ipe); //連接到服務器//向服務器發送信息string endStr = "Hello,this is a socket test";byte[] bs = Encoding.ASCII.GetBytes(endStr); //把字符串編碼為字節Console.WriteLine("Send message");c.Send(bs, bs.Length, 0); //發送信息//接受從服務器返回的信息string recvStr = "";byte[] recvBytes = new byte[1024];int bytes;bytes = c.Receive(recvBytes, recvBytes.Length, 0); //從服務器端接收返回信息recvStr += Encoding.ASCII.GetString(recvBytes, 0, bytes);Console.WriteLine("client get message:{0}", recvStr); //回顯服務器的返回信息 Console.Read();//一定要記著用完Socket后要關閉 c.Close();}catch (ArgumentException e){Console.WriteLine("argumentNullException:{0}", e);}catch (SocketException e){Console.WriteLine("SocketException:{0}",e);}}} }

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