using System; using System.Collections.Generic; using System.Net; using System.Net.Sockets; using System.Text; using System.Threading; using System.Windows.Forms; namespace UAS_PRINT { class ModeBusTCPServer { private bool isOpen = false; string PrinterName = ""; PrinterList print; Thread threadWatch = null; //负责监听客户端的线程 Socket socketWatch = null; //负责监听客户端的套接字 public bool IsOpen { get { return isOpen; } set { isOpen = value; } } public string IP { get { return iP; } set { iP = value; } } public string Port { get { return port; } set { port = value; } } private string iP; private string port; RichTextBox Encodingbox; public ModeBusTCPServer() { IPHostEntry IpEntry = Dns.GetHostEntry(Dns.GetHostName()); for (int i = 0; i < IpEntry.AddressList.Length; i++) { if (IpEntry.AddressList[i].AddressFamily == AddressFamily.InterNetwork) IP = IpEntry.AddressList[i].ToString(); } port = "9100"; } public bool Open() { try { Encodingbox = Application.OpenForms["Form1"].Controls["richTextBox1"] as RichTextBox; //SelectIP = Application.OpenForms["MainWindow"].Controls["SelectIP"] as ComboBox; //SEND = Application.OpenForms["MainWindow"].Controls["SEND"] as Button; //定义一个套接字用于监听客户端发来的信息 包含3个参数(IP4寻址协议,流式连接,TCP协议) socketWatch = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); //服务端发送信息 需要1个IP地址和端口号 IPAddress ipaddress = IPAddress.Parse(iP); //将IP地址和端口号绑定到网络节点endpoint上 IPEndPoint endpoint = new IPEndPoint(ipaddress, int.Parse(port)); //监听绑定的网络节点 socketWatch.Bind(endpoint); //将套接字的监听队列长度限制为20 socketWatch.Listen(20); //创建一个监听线程 threadWatch = new Thread(WatchConnecting); //将窗体线程设置为与后台同步 threadWatch.IsBackground = true; //启动线程 threadWatch.Start(); isOpen = true; return true; } catch (Exception e) { MessageBox.Show(e.Message); return false; } } private void WatchConnecting() { Socket connection = null; while (true) //持续不断监听客户端发来的请求 { try { connection = socketWatch.Accept(); } catch (Exception) { break; } //获取客户端的IP和端口号 IPAddress clientIP = (connection.RemoteEndPoint as IPEndPoint).Address; int clientPort = (connection.RemoteEndPoint as IPEndPoint).Port; //让客户显示"连接成功的"的信息 string sendmsg = "Connect Success!" + "LocalIP:" + clientIP + ",LocalPort" + clientPort.ToString(); byte[] arrSendMsg = Encoding.UTF8.GetBytes(sendmsg); connection.Send(arrSendMsg); //客户端网络结点号 string remoteEndPoint = connection.RemoteEndPoint.ToString(); //显示与客户端连接情况 //IPEndPoint netpoint = new IPEndPoint(clientIP,clientPort); IPEndPoint netpoint = connection.RemoteEndPoint as IPEndPoint; //创建一个通信线程 ParameterizedThreadStart pts = new ParameterizedThreadStart(recv); Thread thread = new Thread(pts); //设置为后台线程,随着主线程退出而退出 thread.IsBackground = true; //启动线程 thread.Start(connection); } } string strSRecMsg = ""; void recv(object socketclientpara) { Socket socketServer = socketclientpara as Socket; while (true) { //创建一个内存缓冲区,其大小为10*1024*1024字节 即10M byte[] arrServerRecMsg = new byte[1024*1024 * 1024]; //将接收到的信息存入到内存缓冲区,并返回其字节数组的长度 try { int length = socketServer.Receive(arrServerRecMsg); if (length == 0) { break; } //将机器接受到的字节数组转换为人可以读懂的字符串 strSRecMsg += Encoding.UTF8.GetString(arrServerRecMsg, 0, length); //将发送的字符串信息附加到文本框txtMsg上 if (strSRecMsg.EndsWith("}")) { print = new PrinterList(strSRecMsg) { StartPosition = FormStartPosition.CenterScreen, TopMost = true }; print.Controls["Confirm"].Click += StartPrint; print.ShowDialog(); strSRecMsg = ""; } } catch (Exception ex) { Console.WriteLine(ex.Message); //关闭之前accept出来的和客户端进行通信的套接字 socketServer.Close(); break; } } if (socketServer != null) { socketServer.Close(); } } private void StartPrint(object sender, EventArgs e) { //设置打印机名称 print.PrintDoc.PrinterSettings.PrinterName = print.Controls["Printer"].Text; PrinterName = print.Controls["Printer"].Text; RadioButton PRXA = (RadioButton)print.Controls["PRXA"]; RadioButton PRPIC = (RadioButton)print.Controls["PRPIC"]; //获取矩阵图的分辨率 //Graphics gr = print.PrintDoc.PrinterSettings.CreateMeasurementGraphics(); //print.browser.FocusedFrame.ExecuteJavaScriptAsync("(function(value,value1){dpi=value,printType=value1})('" + gr.DpiX + "','" + PrintType + "')"); if (PRXA.Checked) { //print.browser.FocusedFrame.ExecuteJavaScriptAsync("document.getElementById('confirmZplPrint').click();"); PrintHandler.zplprint(print.Printcontent, PrinterName); } else { //print.browser.FocusedFrame.ExecuteJavaScriptAsync("document.getElementById('confirmPicturePrint').click();"); //PrintHandler.vendorZplPrint(print, PrinterName, print.Printcontent); } print.Close(); } public void Close() { threadWatch.Abort(); socketWatch.Close(); isOpen = false; } public void SendOrder(string Code) { switch (Code) { default: break; } } } }