class="c#" name="code">using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Net; using System.Net.Sockets; namespace MySocket { public class SocketClient { public SocketClient() { } /// <summary> /// Socket 通信客户端 /// </summary> /// <param name="ip">服务器的IP</param> /// <param name="port">服务器端口</param> /// <param name="sendMsg">发送的消息</param> public void StartClient(string ip, int port, string sendMsg) { // Data buffer for incoming data. byte[] bytes = new byte[2048]; // Connect to a remote device. try { // Establish the remote endpoint for the socket. IPAddress ipa = IPAddress.Parse(ip); IPEndPoint ipe = new IPEndPoint(ipa, port); // Create a TCP/IP socket. Socket sender = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); Console.WriteLine("====================MySocket=====================准备连接服务器"); // Connect the socket to the remote endpoint. Catch any errors. try { sender.Connect(ipe); Console.WriteLine("====================MySocket=====================Socket connected to {0}", sender.RemoteEndPoint.ToString()); // Encode the data string into a byte array. byte[] msg = Encoding.Default.GetBytes(sendMsg); // Send the data through the socket. int bytesSent = sender.Send(msg); // Receive the response from the remote device. int bytesRec = sender.Receive(bytes); //接收远程服务器信息 string reMsg = Encoding.Default.GetString(bytes, 0, bytesRec); Console.WriteLine("====================MySocket=====================Echoed test = {0}", reMsg); // Release the socket. sender.Shutdown(SocketShutdown.Both); sender.Close(); } catch (ArgumentNullException ane) { Console.WriteLine("====================MySocket.Exception=====================ArgumentNullException : {0}", ane.ToString()); } catch (SocketException se) { Console.WriteLine("====================MySocket.Exception=====================SocketException : {0}", se.ToString()); } catch (Exception e) { Console.WriteLine("====================MySocket.Exception=====================Unexpected exception : {0}", e.ToString()); } } catch (Exception e) { Console.WriteLine("====================MySocket.Exception=====================" + e.ToString()); } } } }
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