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1、Socket服务器与客户端双向通信实例usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Linq;usingSystem.Text;usingSystem.Windows.Forms;usingSystem.Net;usingSystem.Net.Sockets;/添加命名空间usingSystem.Threading;/添加命名空间namespaceWFAsynSocketpublicpartialcla
2、ssForm1:FormThreadLisThread;SocketLisSocket;SocketnewSocket;EndPointpoint;stringstrmes=String.Empty;intport=8000;/定义侦听端口号publicForm1()InitializeComponent();privatevoidbtn_Listen_Click(objectsender,EventArgse)LisThread=newThread(newThreadStart(BeginListern);/开线程执行BeginListern方法LisThread.Start();/线程开始
3、执行publicIPAddressGetIP()/*获取本地服务器的ip地址*/IPHostEntryiep=Dns.GetHostEntry(Dns.GetHostName();IPAddressip=iep.AddressList0;returnip;publicvoidBeginListern()LisSocket=newSocket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);/实例化SocketIPAddressServerIp=GetIP();/*获取本地服务器的ip地址*/IPEndPointiep
4、=newIPEndPoint(ServerIp,port);LisSocket.Bind(iep);/*将Socket绑定ip*/toolStripStatusLabel1.Text=iep.ToString()+正在监听;LisSocket.Listen(50);/Socket开始监听newSocket=LisSocket.Accept();/获取连接请求的Socket/*接收客户端Socket所发的信息*/while(true)trybytebyteMessage=newbyte100;newSocket.Receive(byteMessage);/接收信息MessageBox.Show(
5、Encoding.Default.GetString(byteMessage);Control.CheckForIllegalCrossThreadCalls=false;point=newSocket.RemoteEndPoint;/获取客户端的Socket的相关信息IPEndPointIPpoint=(IPEndPoint)point;strmes+=IPpoint.Address.ToString()+DateTime.Now.ToString()+说+Encoding.Default.GetString(byteMessage).Trim(newchar0)+rn;this.richT
6、extBox1.Text=strmes;catch(SocketExceptionex)toolStripStatusLabel1.Text+=ex.ToString();privatevoidbtn_Cancel_Click(objectsender,EventArgse)tryLisSocket.Close();/关闭SocketLisThread.Abort();/线程停止LisThread=null;catch(Exceptionex)MessageBox.Show(ex.Message);finallyApplication.Exit();privatevoidbtn_Send_Cl
7、ick(objectsender,EventArgse)bytebyteData=Encoding.Default.GetBytes(this.richTextBox2.Text);newSocket.Send(byteData);/发送信息即由服务器往客户端上发信息点击开始监听按钮之后客户端则只要使用Socket去连接到服务器端的Socket就可实现往服务器上发信息usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSy
8、stem.Linq;usingSystem.Text;usingSystem.Windows.Forms;usingSystem.Threading;usingSystem.Net.Sockets;usingSystem.Net;namespaceWFAsynSoketClientpublicpartialclassForm1:FormpublicstaticSocketClientSocket;publicForm1()InitializeComponent();/*往服务器上发送信息按钮事件*/privatevoidbtn_Send_Click(objectsender,EventArgs
9、e)if(ClientSocket.Connected)/判断Socket是否已连接byteSendMessage=newbyte100;SendMessage=Encoding.ASCII.GetBytes(this.richTextBox1.Text);ClientSocket.Send(SendMessage);/从数据中的指示位置开始将数据发送到连接的Socket。MessageBox.Show(Encoding.Default.GetString(SendMessage)+发送成功!);elseMessageBox.Show(未建立连接！);/*退出按钮*/privatevoidbt
10、n_Cancel_Click(objectsender,EventArgse)ClientSocket.Shutdown(SocketShutdown.Both);/发送完成之后停止SocketClientSocket.Close();/发送完成之后关闭SocketApplication.Exit();/*接收来自服务器上的信息*/publicvoidtargett()this.toolStripStatusLabel1.Text=已经建立连接准备接受数据;while(true)bytebytes=newbyte100;intrev=ClientSocket.Receive(bytes,bytes.Length,0);/将数据从连接的Socket接收到接收缓冲区的特定位置
