本文实例讲述了C#使用Socket实现发送和接收图片的方法。分享给大家供大家参考。具体如下：

using System; using System.Collections.Generic; using System.Text; using System.Net.Sockets; using System.Net; using System.IO; namespace ConsoleApplication1 { Class Program { static void Main (String[] args) { // 1. to create a socket Socket sListen = new Socket (AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); // 2. Fill IP IPAddress IP = IPAddress.Parse ("127.0.0.1"); IPEndPoint IPE = new IPEndPoint (IP, 4321); // 3. binding sListen.Bind (IPE); // 4. Monitor Console.WriteLine ("Service is listening ..."); sListen.Listen (2); // 5. loop to accept client connection requests while (true) { Socket clientSocket; try { clientSocket = sListen.Accept (); } catch { throw; } // send data to the client //clientSocket.Send (Encoding.Unicode.GetBytes ("I am a server, you there")); // send the file byte[] buffer = ReadImageFile ("1.jpg"); clientSocket.Send (buffer, buffer.Length, SocketFlags.None); Console.WriteLine ("Send success!"); } } private static byte[] ReadImageFile (String img) { FileInfo fileinfo = new FileInfo (img); byte[] buf = new byte[fileInfo.Length]; FileStream fs = new FileStream (img, FileMode.Open, FileAccess.Read); fs.Read (buf, 0, buf.Length); fs.Close (); //fileInfo.Delete (); GC.ReRegisterForFinalize (fileinfo); GC.ReRegisterForFinalize (fs); return buf; } } }

客户端接收和保存图片的代码如下：

using System; using System.Collections.Generic; using System.Text; using System.Net.Sockets; using System.Net; using System.IO; namespace ConsoleApplication2 { Class Program { static void Main (String[] args) { // 1. to create a socket Socket S = new Socket (AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); // 2. fill in the remote IP IPAddress IP = IPAddress.Parse ("127.0.0.1"); IPEndPoint IPE = new IPEndPoint (IP, 4321); Console.WriteLine ("started connection service ...."); // 3. connect to the server s.Connect (IPE); // 4. receive data byte[] buffer = new byte[1000000]; s.Receive (buffer, buffer.Length, SocketFlags.None); //var Msg = Encoding.Unicode.GetString (buffer); //Console.WriteLine ("received message: (0)", msg); Console.WriteLine ("Receive success"); FileStream fs = File.Create ("1.jpg"); fs.Write (buffer, 0, buffer.Length); fs.Close (); Console.ReadKey (); } } }

希望本文所述对大家的C#程序设计有所帮助。

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