直接上代码
服务端:
using System; using System.Net; using System.Net.Sockets; using System.Text; using System.Threading; using System.Threading.Tasks; using System.Windows; namespace SocketServer { /// <summary> /// MainWindow.xaml 的交互逻辑 /// </summary> public partial class MainWindow : Window { private Socket _socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); private byte[] _result = new byte[1024]; public MainWindow() { InitializeComponent(); } private void ButtonBase_OnClick(object sender, RoutedEventArgs e) { SocketService(); } public void SocketService() { textBlock.Text += ("服务端已启动"); var host = "127.0.0.1"; var port = 5000; _socket.Bind(new IPEndPoint(IPAddress.Parse(host), port)); _socket.Listen(10); // 设定最多10个排队连接请求 Task.Run(ListenClientConnect); } private void ListenClientConnect() { while (true) { var clientSocket = _socket.Accept(); clientSocket.Send(Encoding.UTF8.GetBytes("我是服务器")); var receiveThread = new Thread(ReceiveMessage); receiveThread.Start(clientSocket); } } private void ReceiveMessage(object clientSocket) { Socket myClientSocket = (Socket)clientSocket; while (true) { try { //通过clientSocket接收数据 int receiveNumber = myClientSocket.Receive(_result); if (receiveNumber == 0) return; Application.Current.Dispatcher.Invoke(() => { textBlock.Text += string.Format("接收客户端{0} 的消息:{1}", myClientSocket.RemoteEndPoint.ToString(), Encoding.UTF8.GetString(_result, 0, receiveNumber)); }); //给Client端返回信息 string sendStr = "已成功接到您发送的消息"; byte[] bs = Encoding.UTF8.GetBytes(sendStr);//Encoding.UTF8.GetBytes()不然中文会乱码 myClientSocket.Send(bs, bs.Length, 0); //返回信息给客户端 //myClientSocket.Close(); //发送完数据关闭Socket并释放资源//长连接的话就不关闭 //Console.ReadLine(); } catch (Exception ex) { Application.Current.Dispatcher.Invoke(() => { textBlock.Text += (ex.Message); }); myClientSocket.Close();//关闭Socket并释放资源 //myClientSocket.Shutdown(SocketShutdown.Both);//禁止发送和上传 break; } } } } }
客户端:文章来源:https://www.toymoban.com/news/detail-591620.html
using System; using System.Net; using System.Net.Sockets; using System.Text; using System.Threading; using System.Windows; namespace SocketClient { /// <summary> /// MainWindow.xaml 的交互逻辑 /// </summary> public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } private void ButtonBase_OnClick(object sender, RoutedEventArgs e) { ShotLink("321"); // LongLink(); } /// <summary> /// 短连接,最后调用Close释放资源 /// </summary> /// <param name="input"></param> private void ShotLink(string input) { //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, 5000)); //配置服务器IP与端口 textBlock.Text += ("连接服务器成功"); } catch { textBlock.Text += ("连接服务器失败!"); return; } string sendMessage = "你好";//发送到服务端的内容 clientSocket.Send(Encoding.UTF8.GetBytes(sendMessage));//向服务器发送数据,需要发送中文则需要使用Encoding.UTF8.GetBytes(),否则会乱码 textBlock.Text += ("向服务器发送消息:" + sendMessage); //接受从服务器返回的信息 string recvStr = ""; byte[] recvBytes = new byte[1024]; int bytes; bytes = clientSocket.Receive(recvBytes, recvBytes.Length, 0); //从服务器端接受返回信息 recvStr += Encoding.UTF8.GetString(recvBytes, 0, bytes); textBlock.Text += string.Format("服务端发来消息:{0}", recvStr);//回显服务器的返回信息 //每次完成通信后,关闭连接并释放资源 clientSocket.Close(); Console.ReadLine(); } /// <summary> /// 长连接不调用Close释放资源 /// </summary> private void LongLink() { //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, 5000)); //配置服务器IP与端口 textBlock.Text += ("连接服务器成功"); } catch { textBlock.Text += ("连接服务器失败"); return; } //循环读取输入数据 while (true) { textBlock.Text += ("请输入"); string sentstr = "123"; SentMsg(sentstr, clientSocket); Thread.Sleep(5000); } } /// <summary> /// 长连接,不释放资源 /// </summary> /// <param name="sentstr"></param> /// <param name="clientSocket"></param> private void SentMsg(string sentstr, Socket clientSocket) { string sendMessage = "你好";//发送到服务端的内容 sendMessage = sentstr;//发送到服务端的内容 //向服务器发送数据,需要发送中文则需要使用Encoding.UTF8.GetBytes(),否则会乱码 clientSocket.Send(Encoding.UTF8.GetBytes(sendMessage)); textBlock.Text += ("向服务器发送消息:" + sendMessage); //接受从服务器返回的信息 string recvStr = ""; byte[] recvBytes = new byte[1024]; int bytes; bytes = clientSocket.Receive(recvBytes, recvBytes.Length, 0); //从服务器端接受返回信息 recvStr += Encoding.UTF8.GetString(recvBytes, 0, bytes); textBlock.Text += string.Format("服务端发来消息:{0}", recvStr); //回显服务器的返回信息 //clientSocket.Close();//关闭连接并释放资源//如果是长连接,注释掉close } } }
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