這篇文章主要介紹了.net的socket異步通訊示例,操作在下面,需要的朋友可以參考下
1、首先添加兩個windows窗體項目,一個作為服務端server,一個作為客戶端Client 2、然後添加服務端代碼,添加命名空間,界面上添加TextBox控件 代碼如下: using System.Net; using System.Net.Sockets; 3、FormLoad方法添加代碼 代碼如下: private void Form1_Load(object sender, EventArgs e) { IPEndPoint epServer = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 7878);//IP地址和端口號 Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);//定義socket socket.Bind(epServer);//綁定 socket.Listen(10);//監聽 socket.BeginAccept(new AsyncCallback(RecVing), socket);//異步接收,回調方法為RecVing } 4、添加回調方法代碼 代碼如下: private void RecVing(IAsyncResult rec_socket) { string cmdstr = ""; Socket sc = (Socket)rec_socket.AsyncState; Socket socket = sc.EndAccept(rec_socket); byte[] bytes = new byte[1024]; int i = socket.Receive(bytes); cmdstr = Encoding.UTF8.GetString(bytes, 0, i); showstrs(cmdstr); sc.BeginAccept(new AsyncCallback(RecVing), sc); } 5、添加showstrs方法, 定義委托private delegate void shixudong_invoke(string invokefun); 代碼如下: private void showstrs(string recv_strs) { if (recv_strs.Length != 0) { if (this.InvokeRequired) { shixudong_invoke invoke = new shixudong_invoke(showstrs); this.Invoke(invoke, (object)recv_strs); } else { textBox1.Text = recv_strs; } } 6、到此為止,服務端已經添加完畢 7,客戶端代碼,首先跟服務端一樣,添加命名空間,在界面上添加button事件 代碼如下: private void button1_Click(object sender, EventArgs e) { IPEndPoint IPEndPoint = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 7878);//IP,端口號 Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); socket.BeginConnect(IPEndPoint, new AsyncCallback(Sending), socket);//回調方法Sending } 8、添加回調方法,代碼如下 代碼如下: private void Sending(IAsyncResult rec_socket) { Socket socket = (Socket)rec_socket.AsyncState; try { if (socket.Connected) { byte[] msgBuff = Encoding.UTF8.GetBytes(textBox1.Text); socket.Send(msgBuff); //socket.Accept(); } else { Console.WriteLine("Error!", "Error!"); } } catch { Console.WriteLine("Error!", "Error!"); } 9、到此為止,客戶端代碼已經完成,調試的時候先啟動服務端,然後啟動客戶端 10、運行截圖如下,點擊按鈕前,在文本框中輸入shixudong