c#_socket编程实例

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1、//Socket基本编程//服务端：usingSystem.Net;usingSystem.Net.Sockets;usingSystem.Text;usingSystem.Threading;Threadmythread;Socketsocket;//清理所有正在使用的资源。protectedoverridevoidDispose(booldisposing){　try　{　　　　socket.Close();//释放资源　　mythread.Abort();//中止线程　}　catch{}　if(disposing)　{　　if(components!=null)　　{　

2、　　components.Dispose();　　}　}　base.Dispose(disposing);}publicstaticIPAddressGetServerIP(){　IPHostEntryieh=Dns.GetHostByName(Dns.GetHostName());　returnieh.AddressList[0];}privatevoidBeginListen(){　IPAddressServerIp=GetServerIP();　IPEndPointiep=newIPEndPoint(ServerIp,8000);　socket=newSocket(Ad

3、dressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);　byte[]byteMessage=newbyte[100];　this.label1.Text=iep.ToString();　socket.Bind(iep);　//do　while(true)　{　　try　　{　　　socket.Listen(5);　　　SocketnewSocket=socket.Accept();　　　newSocket.Receive(byteMessage);　　　stringsTime=DateTime.Now.ToS

4、hortTimeString();　　　stringmsg=sTime+":"+"Messagefrom:";　　　msg+=newSocket.RemoteEndPoint.ToString()+Encoding.Default.GetString(byteMessage);　　　this.listBox1.Items.Add(msg);　}　　catch(SocketExceptionex)　　{　　　this.label1.Text+=ex.ToString();　　}　}//while(byteMessage!=null);}//开始监听privatevoidbutt

5、on1_Click(objectsender,System.EventArgse){　try　{　　mythread=newThread(newThreadStart(BeginListen));　　mythread.Start();　}　catch(System.Exceptioner)　{　　MessageBox.Show(er.Message,"完成",MessageBoxButtons.OK,MessageBoxIcon.Stop);　}}//客户端：usingSystem.Net;usingSystem.Net.Sockets;usingSystem.Text;pr

6、ivatevoidbutton1_Click(objectsender,System.EventArgse){　BeginSend();}privatevoidBeginSend(){　stringip=this.txtip.Text;　stringport=this.txtport.Text;　IPAddressserverIp=IPAddress.Parse(ip);　intserverPort=Convert.ToInt32(port);　IPEndPointiep=newIPEndPoint(serverIp,serverPort);　byte[]byteMessag

7、e;　Socketsocket=newSocket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);　socket.Connect(iep);　byteMessage=Encoding.ASCII.GetBytes(textBox1.Text);　socket.Send(byteMessage);　socket.Shutdown(SocketShutdown.Both);　socket.Close();}//基于TCP协议的发