//提示，線程里面不要給控件賦值LinkSocket.Send(result, length, 0);自己掛起 private void button1_Click(object sender, EventArgs e){bool ok = guaqi(IPAddress.Parse(rip.Text) ,int.Parse (rpont .Text ));if (ok){richTextBox1.Text = "掛起成功！";jiantingkehuduan();//監聽}else richTextBox1.Text = "掛起失敗"; }連接別人 private void button2_Click(object sender, EventArgs e) {bool ok = Link (IPAddress.Parse(rip.Text), int.Parse(rpont.Text));if (ok){richTextBox1.Text = "連接成功！";clientSocket.Send(Encoding.UTF8.GetBytes("aaaaa"));}else richTextBox1.Text = "連接失敗"; } //CS************************************************//定義public int Pont;//端口public IPAddress Ip;//ippublic Socket MySocket;//定義一個套接字//掛起socket public bool guaqi(IPAddress ip, int pont) {try //掛起socket,可以根據這個地方try一下判斷啟動服務器是否成功{Pont = pont;Ip = ip;MySocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);MySocket.Bind(new IPEndPoint(Ip, Pont));MySocket.Listen(30);//最多監聽30個return true;//掛起成功}catch{return false;//掛起失敗} }//監聽客戶端 public void jiantingkehuduan() {Thread myThread = new Thread(listen);myThread.IsBackground = true;myThread.Start(); } //監聽函數 public void listen() {while (true){Socket now = MySocket.Accept();//監聽到的這個賦值在p1ser..上//每接收到一個連接就給他開一個單獨的send便于交流Thread tt = new Thread(send);//send是接收并發送消息tt.IsBackground = true;tt.Start(now);//建立一個和p1一起的發送接受線程} }//send//接收和發送消息 public void send(object clientSocket) {Socket nowsocket = (Socket)clientSocket;byte[] result = new byte[1024];while (true)//一直和p1保持聯系{try //可以try一下，catch的時候就是對方下線或者故障了 {//接收******************int len = nowsocket.Receive(result);//接收消息，并且存在result里string tmp = Encoding.UTF8.GetString(result, 0, len);//可以用if（tmp==""）來判斷干什么 //發送**************//nowsocket.Send(Encoding.UTF8.GetBytes("aaaaa"));}catch{return; //連接斷開}} }//連接 Socket clientSocket; public bool Link(IPAddress ip, int pont) {clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);try{clientSocket.Connect(new IPEndPoint(ip, pont));//int len = clientSocket.Receive(result);//string tmp = Encoding.UTF8.GetString(result, 0, len);return true;}catch{return false;} }
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