■ SerialPort 클래스에서 유진시스텍 YJ-730T 키오스크 프린터를 사용하는 방법을 보여준다.
▶ DataReceivedEventArgs.cs
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using System; namespace TestProject { /// <summary> /// 데이터 수신시 이벤트 인자 /// </summary> public class DataReceivedEventArgs : EventArgs { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 데이터 - Data /// <summary> /// 데이터 /// </summary> public string Data { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - DataReceivedEventArgs(data) /// <summary> /// 생성자 /// </summary> /// <param name="data">데이터</param> public DataReceivedEventArgs(string data) { Data = data; } #endregion } } |
▶ PrinterHelper.cs
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using System; using System.Diagnostics; using System.IO.Ports; using System.Management; using System.Text; using System.Text.RegularExpressions; namespace TestProject { /// <summary> /// 프린터 헬퍼 /// </summary> /// <remarks> /// 유진시스텍 YJ-730T 키오스크 프린터 /// </remarks> public static class PrinterHelper { //////////////////////////////////////////////////////////////////////////////////////////////////// Event ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 데이터 수신시 - DataReceived /// <summary> /// 데이터 수신시 /// </summary> public static event EventHandler<DataReceivedEventArgs> DataReceived; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 직렬 포트 /// </summary> private static SerialPort _serialPort = new SerialPort(); /// <summary> /// 프린터 COM 포트 /// </summary> private static readonly string _printerCOMPort = "2"; /// <summary> /// 매장명 /// </summary> private static readonly string _storeName = "수원역점"; /// <summary> /// 주문 번호 /// </summary> private static readonly string _orderNumber = "주문번호"; /// <summary> /// 영수증 제목 /// </summary> private static readonly string _receiptTItle = "영수증 (고객용)"; /// <summary> /// 감사말 /// </summary> private static readonly string _thankYou = "감사합니다."; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public ////////////////////////////////////////////////////////////////////// Function #region 연결 여부 구하기 - IsConnected() /// <summary> /// 연결 여부 구하기 /// </summary> /// <returns>연결 여부</returns> public static bool IsConnected() { bool isConnected = false; string query = "SELECT * FROM Win32_PnPEntity WHERE ClassGuid = '{4d36e978-e325-11ce-bfc1-08002be10318}'"; try { using(ManagementObjectSearcher managementObjectSearcher = new ManagementObjectSearcher("root\\CIMV2", query)) { foreach(ManagementObject managementObject in managementObjectSearcher.Get()) { string port = Regex.Replace(managementObject["Name"].ToString(), "[^0-9]", ""); if(port.Equals(_printerCOMPort)) { isConnected = true; break; } } } } catch(Exception exception) { Debug.WriteLine(exception.ToString()); } return isConnected; } #endregion #region 열기 - Open() /// <summary> /// 열기 /// </summary> /// <returns>처리 결과</returns> public static bool Open() { try { if(_serialPort != null) { _serialPort.Close(); } _serialPort = new SerialPort(); _serialPort.PortName = $"COM{_printerCOMPort}"; _serialPort.BaudRate = 9600; _serialPort.Parity = Parity.None; _serialPort.DataBits = 8; _serialPort.StopBits = StopBits.One; _serialPort.Handshake = Handshake.XOnXOff; _serialPort.DataReceived += serialPort_DataReceived; _serialPort.Open(); Debug.WriteLine($"OPEN : {_serialPort.PortName} {_serialPort.IsOpen}"); } catch(Exception exception) { Debug.WriteLine(exception.ToString()); } return _serialPort.IsOpen; } #endregion #region 상태 요청하기 - RequestStatus() /// <summary> /// 상태 요청하기 /// </summary> public static void RequestStatus() { try { Debug.WriteLine("REQUEST STATUS"); byte[] commandByteArray = new byte[2] { 0x1B, 0x07 }; SendCommand(commandByteArray); } catch(Exception exception) { Debug.WriteLine(exception.ToString()); } } #endregion #region 닫기 - Close() /// <summary> /// 닫기 /// </summary> public static void Close() { _serialPort.Close(); Debug.WriteLine($"CLOSE : {_serialPort.PortName} {_serialPort.IsOpen}"); } #endregion #region 주문서 인쇄하기 - PrintOrderSheet(orderNumber) /// <summary> /// 주문서 인쇄하기 /// </summary> /// <param name="orderNumber">주문 번호</param> public static void PrintOrderSheet(string orderNumber) { try { Debug.WriteLine($"PRINT ORDER SHEET : ORDER NUMBER = {orderNumber}"); // Center Alignment SendCommand(new byte[] { 0x1B, 0x61, 0x01 }); byte fontSize1 = ((byte)0xF0 & ((byte)0x00 << 4) | ((byte)0x0F & (byte)(0x00))); byte fontSize2 = ((byte)0xF0 & ((byte)0x01 << 4) | ((byte)0x0F & (byte)(0x01))); SendCommand(new byte[] { 0x1D, 0x21, fontSize1 }); byte[] commandByteArray = Encoding.Default.GetBytes($"{_storeName}\n{DateTime.Now:yyyy-MM-dd HH:mm:ss}"); SendCommand(commandByteArray); // Write Buffer SendCommand(new byte[] { 0x1B, 0x64, 0x02 }); // Print & n Line Feed SendCommand(new byte[] { 0x1D, 0x21, fontSize2 }); commandByteArray = Encoding.Default.GetBytes($"[{_orderNumber} : {orderNumber}]"); SendCommand(commandByteArray); // Write Buffer SendCommand(new byte[] { 0x1B, 0x64, 0x02 }); // Print & n Line Feed SendCommand(new byte[] { 0x1D, 0x21, fontSize1 }); commandByteArray = Encoding.Default.GetBytes($"{_thankYou}\n"); SendCommand(commandByteArray); // Write Buffer SendCommand(new byte[] { 0x1B, 0x64, 0x06 }); // Print & n Line Feed //SendCommand(new byte[] { 0x1B, 0x69 }); // Partial Cut SendCommand(new byte[] { 0x1B, 0x6D }); // Full Cut } catch(Exception exception) { Debug.WriteLine(exception.ToString()); } } #endregion #region 영수증 인쇄하기 - PrintReceipt(storeInformation, orderNumberInformation, orderItemInformation, paymentInformation) /// <summary> /// 영수증 인쇄하기 /// </summary> /// <param name="storeInformation">매장 정보</param> /// <param name="orderNumberInformation">주문 번호 정보</param> /// <param name="orderItemInformation">주문 항목 정보</param> /// <param name="paymentInformation">결제 정보</param> public static void PrintReceipt(string storeInformation, string orderNumberInformation, string orderItemInformation, string paymentInformation) { try { Debug.WriteLine($"PRINT RECEIPT : {orderNumberInformation}"); byte fontSize1 = ((byte)0xF0 & ((byte)0x00 << 4) | ((byte)0x0F & (byte)(0x00))); byte fontSize2 = ((byte)0xF0 & ((byte)0x01 << 4) | ((byte)0x0F & (byte)(0x01))); SendCommand(new byte[] { 0x1B, 0x61, 0x00 }); // Left Alignment SendCommand(new byte[] { 0x1D, 0x21, fontSize1 }); byte[] commandByteArray = Encoding.Default.GetBytes(storeInformation); SendCommand(commandByteArray); // Write Buffer SendCommand(new byte[] { 0x1B, 0x64, 0x01 }); // Print & n Line Feed SendCommand(new byte[] { 0x1B, 0x61, 0x01 }); // Center Alignment SendCommand(new byte[] { 0x1D, 0x21, fontSize2 }); commandByteArray = Encoding.Default.GetBytes(orderNumberInformation); SendCommand(commandByteArray); // Write Buffer SendCommand(new byte[] { 0x1B, 0x64, 0x01 }); // Print & n Line Feed SendCommand(new byte[] { 0x1B, 0x61, 0x00 }); // Left Alignment SendCommand(new byte[] { 0x1D, 0x21, fontSize1 }); commandByteArray = Encoding.Default.GetBytes(orderItemInformation); SendCommand(commandByteArray); // Write Buffer commandByteArray = Encoding.Default.GetBytes(_receiptTItle.PadLeft(26, ' ')); SendCommand(commandByteArray); // Write Buffer SendCommand(new byte[] { 0x1B, 0x64, 0x00 }); // Print & n Line Feed SendCommand(new byte[] { 0x1B, 0x61, 0x00 }); // Left Alignment commandByteArray = Encoding.Default.GetBytes(paymentInformation); SendCommand(commandByteArray); // Write Buffer SendCommand(new byte[] { 0x1B, 0x64, 0x01 }); // Print & n Line Feed SendCommand(new byte[] { 0x1B, 0x61, 0x01 }); // Center Alignment commandByteArray = Encoding.Default.GetBytes(_thankYou); SendCommand(commandByteArray); // Write Buffer SendCommand(new byte[] { 0x1B, 0x64, 0x06 }); // Print & n Line Feed //SendCommand(new byte[] { 0x1B, 0x69 }); // Partial Cut SendCommand(new byte[] { 0x1B, 0x6D }); // Full Cut } catch(Exception exception) { Debug.WriteLine(exception.ToString()); } } #endregion //////////////////////////////////////////////////////////////////////////////// Private ////////////////////////////////////////////////////////////////////// Event #region 직렬 포트 데이터 수신시 처리하기 - serialPort_DataReceived(sender, e) /// <summary> /// 직렬 포트 데이터 수신시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private static void serialPort_DataReceived(object sender, SerialDataReceivedEventArgs e) { try { int byteCountToRead = _serialPort.BytesToRead; if(byteCountToRead > 0) { byte[] bufferByteArray = new byte[byteCountToRead]; _serialPort.Read(bufferByteArray, 0, byteCountToRead); if(DataReceived != null) { Debug.WriteLine($"SERIAL PORT DATA RECEIVED : [{BitConverter.ToString(bufferByteArray)}]"); string argument = string.Empty; byte flagByte = byteCountToRead == 2 ? bufferByteArray[1] : bufferByteArray[0]; switch(flagByte) { case 0x41 : // Paper Empty argument = "Paper Empty"; break; case 0x42 : // Caver Open argument = "Caver Open"; break; case 0x50 : // Roll Paper Empty case 0x21 : // Roll Paper Empty argument = "Roll Paper Empty"; break; case 0x44 : // Head TM Over argument = "Head TM Over"; break; case 0x40 : // OK break; } if(!string.IsNullOrEmpty(argument)) { DataReceived(sender, new DataReceivedEventArgs(argument)); } } } } catch(Exception exception) { Debug.WriteLine(exception.ToString()); } } #endregion ////////////////////////////////////////////////////////////////////// Function #region 명령 보내기 - SendCommand(commandByteArray) /// <summary> /// 명령 보내기 /// </summary> /// <param name="commandByteArray">명령 바이트 배열</param> private static void SendCommand(byte[] commandByteArray) { try { if(!_serialPort.IsOpen) { PrinterHelper.Open(); } if(_serialPort.IsOpen) { _serialPort.Write(commandByteArray, 0, commandByteArray.Length); Debug.WriteLine($"SEND COMMAND : [{BitConverter.ToString(commandByteArray)}]"); } } catch(Exception exception) { Debug.WriteLine(exception.ToString()); } } #endregion } } |