C# Socket簡單例子(伺服器與客戶端通訊)
阿新 • • 發佈:2019-02-04
這個例子只是簡單實現瞭如何使用 Socket 類實現面向連線的通訊。
注意:此例子的目的只是為了說明用套接字寫程式的大概思路,而不是實際專案中的使用程式。在這個例子中,實際上還有很多問題沒有解決,如訊息邊界問題、埠號是否被佔用、訊息命令的解析問題等。。
下面是兩個程式的程式碼,(兩個程式均為控制檯程式)
先發服務端的(Server)完整程式碼如下:
引入名稱空間:
using System.Net.Sockets;
using System.Net;
using System.Threading;
完整程式碼如下:
namespace SocketServer { class Program { private static byte[] result = new byte[1024]; private static int myProt = 8885; //埠 static Socket serverSocket; static void Main(string[] args) { //伺服器IP地址 IPAddress ip = IPAddress.Parse("127.0.0.1"); serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); serverSocket.Bind(new IPEndPoint(ip, myProt)); //繫結IP地址:埠 serverSocket.Listen(10); //設定最多10個排隊連線請求 Console.WriteLine("啟動監聽{0}成功", serverSocket.LocalEndPoint.ToString()); //通過Clientsoket傳送資料 Thread myThread = new Thread(ListenClientConnect); myThread.Start(); Console.ReadLine(); } /// <summary> /// 監聽客戶端連線 /// </summary> private static void ListenClientConnect() { while (true) { Socket clientSocket = serverSocket.Accept(); clientSocket.Send(Encoding.ASCII.GetBytes("Server Say Hello")); Thread receiveThread = new Thread(ReceiveMessage); receiveThread.Start(clientSocket); } } /// <summary> /// 接收訊息 /// </summary> /// <param name="clientSocket"></param> private static void ReceiveMessage(object clientSocket) { Socket myClientSocket = (Socket)clientSocket; while (true) { try { //通過clientSocket接收資料 int receiveNumber = myClientSocket.Receive(result); Console.WriteLine("接收客戶端{0}訊息{1}", myClientSocket.RemoteEndPoint.ToString(), Encoding.ASCII.GetString(result, 0, receiveNumber)); } catch(Exception ex) { Console.WriteLine(ex.Message); myClientSocket.Shutdown(SocketShutdown.Both); myClientSocket.Close(); break; } } } } }
以上是服務端(server)的完整程式碼。
客戶端(Client)的完整程式碼如下:
引入名稱空間:
using System.Net;
using System.Net.Sockets;
using System.Threading;
完整程式碼:
namespace SocketClient { class Program { private static byte[] result = new byte[1024]; static void Main(string[] args) { //設定伺服器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, 8885)); //配置伺服器IP與埠 Console.WriteLine("連線伺服器成功"); } catch { Console.WriteLine("連線伺服器失敗,請按回車鍵退出!"); return; } //通過clientSocket接收資料 int receiveLength = clientSocket.Receive(result); Console.WriteLine("接收伺服器訊息:{0}",Encoding.ASCII.GetString(result,0,receiveLength)); //通過 clientSocket 傳送資料 for (int i = 0; i < 10; i++) { try { Thread.Sleep(1000); //等待1秒鐘 string sendMessage = "client send Message Hellp" + DateTime.Now; clientSocket.Send(Encoding.ASCII.GetBytes(sendMessage)); Console.WriteLine("向伺服器傳送訊息:{0}" + sendMessage); } catch { clientSocket.Shutdown(SocketShutdown.Both); clientSocket.Close(); break; } } Console.WriteLine("傳送完畢,按回車鍵退出"); Console.ReadLine(); } } }
編譯成功後,先執行 服務端(server),再執行客戶端(client)即可達到通訊效果。
效果如下圖:
該程式已在區域網測試通過。(192.168.X.X)
若編譯失敗,可到下面的地址下載專案檔案: