public class BarPrinter    {        public static byte[] ZPLPrinter(string p_title = "", string p_specs = "", string p_date = "", string p_code = "")        {            try            {                #region ZPL II 打印指令                string title = p_title, specs = p_specs, date = p_date, code = p_code;                //title = title + "古典黄芥沫调味酱";                //specs = specs + "100ML/瓶";                //date = date + "2015-10-31";                //code = "8957891234567895789588535";                StringBuilder zplsb = new StringBuilder();                zplsb.Append("^XA");                zplsb.Append("^LH30,30");                zplsb.Append("^JMA");                zplsb.Append("^MD30");                zplsb.Append("^FO45,50");                Bitmap img = CreateImage(title,600,50, new Font("Arial", 35),1,2);                var t = ((img.Size.Width / 8 + ((img.Size.Width % 8 == 0) ? 0 : 1)) * img.Size.Height).ToString();                var w = (img.Size.Width / 8 + ((img.Size.Width % 8 == 0) ? 0 : 1)).ToString();                string imgCode = ConvertImageToCode(img);                string zpl = string.Format("~DGR:imgName.GRF,{0},{1},{2}", t, w, imgCode);                zplsb.Append(zpl);                zplsb.Append("^XGR:imgName.GRF,1,1^FS");                zplsb.Append("^FO45,120");                img = CreateImage(specs, 600, 50, new Font("Arial", 25), 1, 10);                t = ((img.Size.Width / 8 + ((img.Size.Width % 8 == 0) ? 0 : 1)) * img.Size.Height).ToString();                w = (img.Size.Width / 8 + ((img.Size.Width % 8 == 0) ? 0 : 1)).ToString();                imgCode = ConvertImageToCode(img);                zpl = string.Format("~DGR:imgName.GRF,{0},{1},{2}", t, w, imgCode);                zplsb.Append(zpl);                zplsb.Append("^XGR:imgName.GRF,1,1^FS");                zplsb.Append("^FO45,180");                img = CreateImage(date, 600, 50, new Font("Arial", 25),1,10);                t = ((img.Size.Width / 8 + ((img.Size.Width % 8 == 0) ? 0 : 1)) * img.Size.Height).ToString();                w = (img.Size.Width / 8 + ((img.Size.Width % 8 == 0) ? 0 : 1)).ToString();                imgCode = ConvertImageToCode(img);                zpl = string.Format("~DGR:imgName.GRF,{0},{1},{2}", t, w, imgCode);                zplsb.Append(zpl);                zplsb.Append("^XGR:imgName.GRF,1,1^FS");                zplsb.Append("^FO45,240");                zplsb.Append("^BY4,2");//条码宽度                zplsb.Append("^BCN,100,Y,N,N,A");                zplsb.Append("^FD" + code + "^FS");                zplsb.Append("^XZ");                #endregion                return Encoding.Default.GetBytes(zplsb.ToString());            }            catch (Exception)            {                throw;            }        }        public static void EPLPrinter(string p_title = "", string p_specs = "", string p_date = "", string p_code = "")        {            try            {                #region EPL USB 指令打印                string eplcmd = "N" + "\r\n" +                    "Q400,025" + "\n\r" +                    "A140,45,0,8,1,1,N,\"" + p_title + "\"" + "\r\n" +                    "A140,90,0,8,1,1,N,\"规格:\"" + "\r\n" +                    "A240,95,0,8,1,1,N,\"" + p_specs + "\"" + "\r\n" +                    "A140,135,0,8,1,1,N,\"生产日期:\"" + "\r\n" +                    "A300,140,0,8,1,1,N,\"" + p_date + "\"" + "\r\n" +                    "B140,180,0,1,3,2,100,B,\"" + p_code + "\"" + "\r\n" +                    "P1" + "\r\n";                #endregion                ZebraPrintHelper.PrinterProgrammingLanguage = ProgrammingLanguage.EPL;                ZebraPrintHelper.PrinterName = "ZDesigner GK888t (EPL)";                ZebraPrintHelper.PrinterType = DeviceType.DRV;                ZebraPrintHelper.PrintCommand(eplcmd.ToString());            }            catch (Exception)            {                throw;            }        }        public static Bitmap CreateImage(string data, int Width, int Height, Font f, int x = 1, int y = 1)        {            if (string.IsNullOrEmpty(data))                return null;            var image = new Bitmap(Width, Height);            var g = Graphics.FromImage(image);            var b = new System.Drawing.Drawing2D.LinearGradientBrush(new Rectangle(0, 0, image.Width, image.Height), Color.Black, Color.Black, 1.2f, true);            g.Clear(System.Drawing.Color.White);            g.DrawString(data, f, b, x, y);            return image;        }        public static string ConvertImageToCode(Bitmap img)        {            var sb = new StringBuilder();            long clr = 0, n = 0;            int b = 0;            for (int i = 0; i < img.Size.Height; i++)            {                for (int j = 0; j < img.Size.Width; j++)                {                    b = b * 2;                    clr = img.GetPixel(j, i).ToArgb();                    string s = clr.ToString("X");                    if (s.Substring(s.Length - 6, 6).CompareTo("BBBBBB") < 0)                    {                        b++;                    }                    n++;                    if (j == (img.Size.Width - 1))                    {                        if (n < 8)                        {                            b = b * (2 ^ (8 - (int)n));                            sb.Append(b.ToString("X").PadLeft(2, '0'));                            b = 0;                            n = 0;                        }                    }                    if (n >= 8)                    {                        sb.Append(b.ToString("X").PadLeft(2, '0'));                        b = 0;                        n = 0;                    }                }                sb.Append(System.Environment.NewLine);            }            return sb.ToString();        }     }

using Microsoft.Win32.SafeHandles;using System;using System.Collections.Generic;using System.Drawing;using System.Drawing.Imaging;using System.IO;using System.IO.Ports;using System.Net;using System.Net.Sockets;using System.Runtime.InteropServices;using System.Text;namespace ZebraLibrary{    /// 
    /// 斑马打印助手，支持LPT/COM/USB/TCP四种模式，适用于标签、票据、条码打印。    /// 
    public static class ZebraPrintHelper    {        #region 定义API方法        #region 写打印口(LPT)方法        private const short FILE_ATTRIBUTE_NORMAL = 0x80;        private const short INVALID_HANDLE_VALUE = -1;        private const uint GENERIC_READ = 0x80000000;        private const uint GENERIC_WRITE = 0x40000000;        private const uint CREATE_NEW = 1;        private const uint CREATE_ALWAYS = 2;        private const uint OPEN_EXISTING = 3;        [DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Auto)]        private static extern SafeFileHandle CreateFile(string strFileName,            uint dwDesiredAccess,            uint dwShareMode,            IntPtr intptrSecurityAttributes,            uint dwCreationDisposition,            uint dwFlagsAndAttributes,            IntPtr intptrTemplateFile);        #endregion        [DllImport("winspool.Drv", EntryPoint = "OpenPrinterA", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]        public static extern bool OpenPrinter([MarshalAs(UnmanagedType.LPStr)] string printerName, out IntPtr intptrPrinter, IntPtr intptrPrintDocument);        [DllImport("winspool.Drv", EntryPoint = "ClosePrinter", SetLastError = true, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]        public static extern bool ClosePrinter(IntPtr intptrPrinter);        [DllImport("winspool.Drv", EntryPoint = "StartDocPrinterA", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]        public static extern bool StartDocPrinter(IntPtr intptrPrinter, Int32 level, [In, MarshalAs(UnmanagedType.LPStruct)] DocInfo docInfo);        [DllImport("winspool.Drv", EntryPoint = "EndDocPrinter", SetLastError = true, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]        public static extern bool EndDocPrinter(IntPtr intptrPrinter);        [DllImport("winspool.Drv", EntryPoint = "StartPagePrinter", SetLastError = true, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]        public static extern bool StartPagePrinter(IntPtr intptrPrinter);        [DllImport("winspool.Drv", EntryPoint = "EndPagePrinter", SetLastError = true, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]        public static extern bool EndPagePrinter(IntPtr intptrPrinter);        [DllImport("winspool.Drv", EntryPoint = "WritePrinter", SetLastError = true, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]        public static extern bool WritePrinter(IntPtr intptrPrinter, IntPtr intptrBytes, Int32 count, out Int32 written);        #endregion           #region 定义私有字段        /// 
          /// 线程锁，防止多线程调用。          /// 
          private static object SyncRoot = new object();        /// 
          /// 字节流传递时采用的字符编码          /// 
          private static readonly Encoding TransferFormat = Encoding.GetEncoding("iso-8859-1");        #endregion        #region 定义属性        public static int Port { get; set; }        public static string PrinterName { get; set; }        public static bool IsWriteLog { get; set; }        public static DeviceType PrinterType { get; set; }        public static ProgrammingLanguage PrinterProgrammingLanguage { get; set; }        public static float TcpLabelMaxHeightCM { get; set; }        public static int TcpPrinterDPI { get; set; }        public static string TcpIpAddress { get; set; }        public static int TcpPort { get; set; }        public static int Copies { get; set; }          /// 
          /// 日志保存目录，WEB应用注意不能放在BIN目录下。          /// 
          public static string LogsDirectory { get; set; }        private static byte[] GraphBuffer { get; set; }        private static int GraphWidth { get; set; }        private static int GraphHeight { get; set; }        private static int RowSize        {            get            {                return (((GraphWidth) + 31) >> 5) << 2;            }        }        private static int RowRealBytesCount        {            get            {                if ((GraphWidth % 8) > 0)                {                    return GraphWidth / 8 + 1;                }                else                {                    return GraphWidth / 8;                }            }        }        #endregion          #region 静态构造方法        static ZebraPrintHelper()        {            GraphBuffer = new byte[0];            IsWriteLog = false;            LogsDirectory = "logs";        }        #endregion        #region 定义发送原始数据到打印机的方法        private static bool SendBytesToPrinter(string printerName, IntPtr intptrBytes, Int32 count)        {            Int32 error = 0, written = 0;            IntPtr intptrPrinter = new IntPtr(0);            DocInfo docInfo = new DocInfo();            bool bSuccess = false;            docInfo.DocName = ".NET RAW Document";            docInfo.DataType = "RAW";            // Open the printer.              if (OpenPrinter(printerName.Normalize(), out intptrPrinter, IntPtr.Zero))            {                // Start a document.                  if (StartDocPrinter(intptrPrinter, 1, docInfo))                {                    // Start a page.                      if (StartPagePrinter(intptrPrinter))                    {                        // Write your bytes.                          bSuccess = WritePrinter(intptrPrinter, intptrBytes, count, out written);                        EndPagePrinter(intptrPrinter);                    }                    EndDocPrinter(intptrPrinter);                }                ClosePrinter(intptrPrinter);            }            // If you did not succeed, GetLastError may give more information              // about why not.              if (bSuccess == false)            {                error = Marshal.GetLastWin32Error();            }            return bSuccess;        }        public static bool SendFileToPrinter(string printerName, string fileName)        {            // Open the file.              FileStream fs = new FileStream(fileName, FileMode.Open);            // Create a BinaryReader on the file.              BinaryReader br = new BinaryReader(fs);            // Dim an array of bytes big enough to hold the file's contents.              Byte[] bytes = new Byte[fs.Length];            bool bSuccess = false;            // Your unmanaged pointer.              IntPtr pUnmanagedBytes = new IntPtr(0);            int nLength;            nLength = Convert.ToInt32(fs.Length);            // Read the contents of the file into the array.              bytes = br.ReadBytes(nLength);            // Allocate some unmanaged memory for those bytes.              pUnmanagedBytes = Marshal.AllocCoTaskMem(nLength);            // Copy the managed byte array into the unmanaged array.              Marshal.Copy(bytes, 0, pUnmanagedBytes, nLength);            // Send the unmanaged bytes to the printer.              bSuccess = SendBytesToPrinter(printerName, pUnmanagedBytes, nLength);            // Free the unmanaged memory that you allocated earlier.              Marshal.FreeCoTaskMem(pUnmanagedBytes);            return bSuccess;        }        public static bool SendBytesToPrinter(string printerName, byte[] bytes)        {            bool bSuccess = false;            IntPtr pUnmanagedBytes = new IntPtr(0);            int nLength = bytes.Length;            // Allocate some unmanaged memory for those bytes.              pUnmanagedBytes = Marshal.AllocCoTaskMem(nLength);            // Copy the managed byte array into the unmanaged array.              Marshal.Copy(bytes, 0, pUnmanagedBytes, nLength);            // Send the unmanaged bytes to the printer.              bSuccess = SendBytesToPrinter(printerName, pUnmanagedBytes, nLength);            // Free the unmanaged memory that you allocated earlier.              Marshal.FreeCoTaskMem(pUnmanagedBytes);            return bSuccess;        }        public static bool SendStringToPrinter(string printerName, string text)        {            IntPtr pBytes;            Int32 dwCount;            // How many characters are in the string?              dwCount = (text.Length + 1) * Marshal.SystemMaxDBCSCharSize;            // Assume that the printer is expecting ANSI text, and then convert              // the string to ANSI text.              pBytes = Marshal.StringToCoTaskMemAnsi(text);            // Send the converted ANSI string to the printer.              SendBytesToPrinter(printerName, pBytes, dwCount);            Marshal.FreeCoTaskMem(pBytes);            return true;        }        #endregion          #region 日志记录方法        private static void WriteLog(string text, LogType logType)        {            string endTag = string.Format("\r\n{0}\r\n", new string('=', 80));            string path = string.Format("{0}\\{1}-{2}.log", LogsDirectory, DateTime.Now.ToString("yyyy-MM-dd"), logType);            if (!Directory.Exists(LogsDirectory))            {                Directory.CreateDirectory(LogsDirectory);            }            if (logType == LogType.Error)            {                File.AppendAllText(path, string.Format("{0}{1}", text, endTag), Encoding.Default);            }            if (logType == LogType.Print)            {                if (text.StartsWith("N\r\nGW"))                {                    using (FileStream fs = new FileStream(path, FileMode.Append))                    {                        byte[] bytes = TransferFormat.GetBytes(text);                        byte[] tag = TransferFormat.GetBytes(endTag);                        fs.Write(bytes, 0, bytes.Length);                        fs.Write(tag, 0, tag.Length);                        fs.Close();                    }                }                else                {                    File.AppendAllText(path, string.Format("{0}{1}", text, endTag), Encoding.Default);                }            }        }        private static void WriteLog(byte[] bytes, LogType logType)        {            string endTag = string.Format("\r\n{0}\r\n", new string('=', 80));            string path = string.Format("{0}\\{1}-{2}.log", LogsDirectory, DateTime.Now.ToString("yyyy-MM-dd"), logType);            if (!Directory.Exists(LogsDirectory))            {                Directory.CreateDirectory(LogsDirectory);            }            if (logType == LogType.Error)            {                File.AppendAllText(path, string.Format("{0}{1}", Encoding.Default.GetString(bytes), endTag), Encoding.Default);            }            if (logType == LogType.Print)            {                string transferFormat = TransferFormat.GetString(bytes);                if (transferFormat.StartsWith("N\r\nGW"))                {                    using (FileStream fs = new FileStream(path, FileMode.Append))                    {                        byte[] tag = TransferFormat.GetBytes(endTag);                        fs.Write(bytes, 0, bytes.Length);                        fs.Write(tag, 0, tag.Length);                        fs.Close();                    }                }                else                {                    File.AppendAllText(path, string.Format("{0}{1}", Encoding.Default.GetString(bytes), endTag), Encoding.Default);                }            }        }        #endregion          #region 封装方法，方便调用。        public static bool PrintWithCOM(string cmd, int port, bool isWriteLog)        {            PrinterType = DeviceType.COM;            Port = port;            IsWriteLog = isWriteLog;            return PrintCommand(cmd);        }        public static bool PrintWithCOM(byte[] bytes, int port, bool isWriteLog, ProgrammingLanguage progLanguage)        {            PrinterType = DeviceType.COM;            Port = port;            IsWriteLog = isWriteLog;            PrinterProgrammingLanguage = progLanguage;            return PrintGraphics(bytes);        }        public static bool PrintWithLPT(string cmd, int port, bool isWriteLog)        {            PrinterType = DeviceType.LPT;            Port = port;            IsWriteLog = isWriteLog;            return PrintCommand(cmd);        }        public static bool PrintWithLPT(byte[] bytes, int port, bool isWriteLog, ProgrammingLanguage progLanguage)        {            PrinterType = DeviceType.LPT;            Port = port;            IsWriteLog = isWriteLog;            PrinterProgrammingLanguage = progLanguage;            return PrintGraphics(bytes);        }        public static bool PrintWithDRV(string cmd, string printerName, bool isWriteLog)        {            PrinterType = DeviceType.DRV;            PrinterName = printerName;            IsWriteLog = isWriteLog;            return PrintCommand(cmd);        }        public static bool PrintWithDRV(byte[] bytes, string printerName, bool isWriteLog, ProgrammingLanguage progLanguage)        {            PrinterType = DeviceType.DRV;            PrinterName = printerName;            IsWriteLog = isWriteLog;            PrinterProgrammingLanguage = progLanguage;            return PrintGraphics(bytes);        }        #endregion          #region 打印ZPL、EPL指令        public static bool PrintCommand(string cmd)        {            lock (SyncRoot)            {                bool result = false;                try                {                    switch (PrinterType)                    {                        case DeviceType.COM:                            result = comPrint(Encoding.Default.GetBytes(cmd));                            break;                        case DeviceType.LPT:                            result = lptPrint(Encoding.Default.GetBytes(cmd));                            break;                        case DeviceType.DRV:                            result = drvPrint(Encoding.Default.GetBytes(cmd));                            break;                        case DeviceType.TCP:                            result = tcpPrint(Encoding.Default.GetBytes(cmd));                            break;                      }                    if (!string.IsNullOrEmpty(cmd) && IsWriteLog)                    {                        WriteLog(cmd, LogType.Print);                    }                }                catch (Exception ex)                {                    //记录日志                      if (IsWriteLog)                    {                        WriteLog(string.Format("{0} => {1}\r\n{2}", DateTime.Now, ex.Message, ex), LogType.Error);                    }                }                finally                {                    GraphBuffer = new byte[0];                }                return result;            }        }        #endregion          #region 打印图像字节流        public static bool PrintGraphics(byte[] graph)        {            lock (SyncRoot)            {                bool result = false;                try                {                    GraphBuffer = graph;                    byte[] cmdBytes = new byte[0];                    if (PrinterProgrammingLanguage == ProgrammingLanguage.ZPL)                    {                        cmdBytes = getZPLBytes();                    }                    if (PrinterProgrammingLanguage == ProgrammingLanguage.EPL)                    {                        cmdBytes = getEPLBytes();                    }                    if (PrinterProgrammingLanguage == ProgrammingLanguage.CPCL)                    {                        cmdBytes = getCPCLBytes();                    }                    switch (PrinterType)                    {                        case DeviceType.COM:                            result = comPrint(cmdBytes);                            break;                        case DeviceType.LPT:                            result = lptPrint(cmdBytes);                            break;                        case DeviceType.DRV:                            result = drvPrint(cmdBytes);                            break;                        case DeviceType.TCP:                            result = tcpPrint(cmdBytes);                            break;                      }                    if (cmdBytes.Length > 0 && IsWriteLog)                    {                        WriteLog(cmdBytes, LogType.Print);                    }                }                catch (Exception ex)                {                    //记录日志                      if (IsWriteLog)                    {                        WriteLog(string.Format("{0} => {1}\r\n{2}", DateTime.Now, ex.Message, ex), LogType.Error);                    }                }                finally                {                    GraphBuffer = new byte[0];                }                return result;            }        }        #endregion          #region COM/LPT/DRV三种模式打印方法        private static bool drvPrint(byte[] cmdBytes)        {            bool result = false;            try            {                if (!string.IsNullOrEmpty(PrinterName))                {                    result = SendBytesToPrinter(PrinterName, cmdBytes);                }            }            catch (Exception ex)            {                throw ex;            }            return result;        }        private static bool comPrint(byte[] cmdBytes)        {            bool result = false;            SerialPort com = new SerialPort(string.Format("{0}{1}", PrinterType, Port), 9600, Parity.None, 8, StopBits.One);            try            {                com.Open();                com.Write(cmdBytes, 0, cmdBytes.Length);                result = true;            }            catch (Exception ex)            {                throw ex;            }            finally            {                if (com.IsOpen)                {                    com.Close();                }            }            return result;        }        private static bool lptPrint(byte[] cmdBytes)        {            bool result = false;            FileStream fileStream = null;            StreamWriter streamWriter = null;            SafeFileHandle handle = null;            try            {                handle = CreateFile(string.Format("{0}{1}", PrinterType, Port), GENERIC_WRITE, 0, IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero);                if (!handle.IsInvalid)                {                    fileStream = new FileStream(handle, FileAccess.ReadWrite);                    streamWriter = new StreamWriter(fileStream, Encoding.Default);                    streamWriter.Write(cmdBytes);                    result = true;                }            }            catch (Exception ex)            {                throw ex;            }            finally            {                if (fileStream != null)                {                    fileStream.Close();                    fileStream = null;                }                if (streamWriter != null)                {                    streamWriter.Close();                    streamWriter = null;                }                if (handle != null)                {                    handle.Close();                    handle = null;                }            }            return result;        }        private static bool tcpPrint(byte[] cmdBytes)         {            bool result = false;            try            {                IPAddress ip = IPAddress.Parse(TcpIpAddress);                IPEndPoint iport = new IPEndPoint(ip, 6101);//9100为小票打印机指定端口                Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);                socket.Connect(iport);                socket.Send(cmdBytes);                socket.Close();            }            catch (Exception ex)            {                throw new Exception("打印失败，请检查打印机或网络设置。", ex);            }            return result;          }        #endregion          #region 生成ZPL图像打印指令        private static byte[] getZPLBytes()        {            byte[] result = new byte[0];            byte[] bmpData = getBitmapData();            string textBitmap = string.Empty;            string textHex = BitConverter.ToString(bmpData).Replace("-", string.Empty);            for (int i = 0; i < GraphHeight; i++)            {                textBitmap += textHex.Substring(i * RowRealBytesCount * 2, RowRealBytesCount * 2) + "\r\n";            }            string text = string.Format("~DGR:IMAGE.GRF,{0},{1},\r\n{2}^XGR:IMAGE.GRF,1,1^FS\r\n^IDR:IMAGE.GRF\r\n",                GraphHeight * RowRealBytesCount,                RowRealBytesCount,                textBitmap);            result = Encoding.Default.GetBytes(text);            return result;        }        #endregion        #region 生成EPL图像打印指令        private static byte[] getEPLBytes()        {            byte[] result = new byte[0];            byte[] buffer = getBitmapData();            string text = string.Format("N\r\nGW{0},{1},{2},{3},{4}\r\nP\r\n",                0,                0,                RowRealBytesCount,                GraphHeight,                TransferFormat.GetString(buffer));            result = TransferFormat.GetBytes(text);            return result;        }        #endregion          #region 生成CPCL图像打印指令        public static byte[] getCPCLBytes()        {            //GRAPHICS Commands              //Bit-mapped graphics can be printed by using graphics commands. ASCII hex (hexadecimal) is              //used for expanded graphics data (see example). Data size can be reduced to one-half by utilizing the              //COMPRESSED-GRAPHICS commands with the equivalent binary character(s) of the hex data. When              //using CG, a single 8 bit character is sent for every 8 bits of graphics data. When using EG two characters              //(16 bits) are used to transmit 8 bits of graphics data, making EG only half as efficient. Since this data is              //character data, however, it can be easier to handle and transmit than binary data.              //Format:              //{command} {width} {height} {x} {y} {data}              //where:              //{command}: Choose from the following:              //EXPANDED-GRAPHICS (or EG): Prints expanded graphics horizontally.              //VEXPANDED-GRAPHICS (or VEG): Prints expanded graphics vertically.              //COMPRESSED-GRAPHICS (or CG): Prints compressed graphics horizontally.              //VCOMPRESSED-GRAPHICS (or VCG): Prints compressed graphics vertically.              //{width}: Byte-width of image.              //{height} Dot-height of image.              //{x}: Horizontal starting position.              //{y}: Vertical starting position.              //{data}: Graphics data.              //Graphics command example              //Input:              //! 0 200 200 210 1              //EG 2 16 90 45 F0F0F0F0F0F0F0F00F0F0F0F0F0F0F0F              //F0F0F0F0F0F0F0F00F0F0F0F0F0F0F0F              //FORM              //PRINT              byte[] bmpData = getBitmapData();            int bmpDataLength = bmpData.Length;            for (int i = 0; i < bmpDataLength; i++)            {                bmpData[i] ^= 0xFF;            }            string textHex = BitConverter.ToString(bmpData).Replace("-", string.Empty);            string text = string.Format("! {0} {1} {2} {3} {4}\r\nEG {5} {6} {7} {8} {9}\r\nFORM\r\nPRINT\r\n",                0, //水平偏移量                  TcpPrinterDPI, //横向DPI                  TcpPrinterDPI, //纵向DPI                  (int)(TcpLabelMaxHeightCM / 2.54f * TcpPrinterDPI), //标签最大像素高度=DPI*标签纸高度(英寸)                  Copies, //份数                  RowRealBytesCount, //图像的字节宽度                  GraphHeight, //图像的像素高度                  0, //横向的开始位置                  0, //纵向的开始位置                  textHex                );            return Encoding.UTF8.GetBytes(text);        }        #endregion        #region 获取单色位图数据        /// 
          /// 获取单色位图数据(1bpp)，不含文件头、信息头、调色板三类数据。          /// 
          /// 
               private static byte[] getBitmapData()        {            MemoryStream srcStream = new MemoryStream();            MemoryStream dstStream = new MemoryStream();            Bitmap srcBmp = null;            Bitmap dstBmp = null;            byte[] srcBuffer = null;            byte[] dstBuffer = null;            byte[] result = null;            try            {                srcStream = new MemoryStream(GraphBuffer);                srcBmp = Bitmap.FromStream(srcStream) as Bitmap;                srcBuffer = srcStream.ToArray();                GraphWidth = srcBmp.Width;                GraphHeight = srcBmp.Height;                dstBmp = srcBmp.Clone(new Rectangle(0, 0, srcBmp.Width, srcBmp.Height), PixelFormat.Format1bppIndexed);                dstBmp.Save(dstStream, ImageFormat.Bmp);                dstBuffer = dstStream.ToArray();                int bfSize = BitConverter.ToInt32(dstBuffer, 2);                int bfOffBits = BitConverter.ToInt32(dstBuffer, 10);                int bitmapDataLength = bfSize - bfOffBits;                result = new byte[GraphHeight * RowRealBytesCount];                //读取时需要反向读取每行字节实现上下翻转的效果，打印机打印顺序需要这样读取。                  for (int i = 0; i < GraphHeight; i++)                {                    Array.Copy(dstBuffer, bfOffBits + (GraphHeight - 1 - i) * RowSize, result, i * RowRealBytesCount, RowRealBytesCount);                }            }            catch (Exception ex)            {                throw ex;            }            finally            {                if (srcStream != null)                {                    srcStream.Dispose();                    srcStream = null;                }                if (dstStream != null)                {                    dstStream.Dispose();                    dstStream = null;                }                if (srcBmp != null)                {                    srcBmp.Dispose();                    srcBmp = null;                }                if (dstBmp != null)                {                    dstBmp.Dispose();                    dstBmp = null;                }            }            return result;        }        #endregion          #region 扩展        #region CPCL命令打印24位bmp        private static string get24BitBmpData(string filePath)        {            Bitmap bmp = new Bitmap(filePath);            byte[] bitArray = { 128, 64, 32, 16, 8, 4, 2, 1 };            string imgTxt = "";            Rectangle rect = new Rectangle(0, 0, bmp.Width, bmp.Height);            BitmapData data = bmp.LockBits(rect, System.Drawing.Imaging.ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);            IntPtr firstPix = data.Scan0;            int rowByteCount = bmp.Width * 3;            int filledCount = data.Stride - rowByteCount;            int bytes = data.Stride * data.Height;//Math.Ceiling((double)bmp.Width / 8)            byte[] rgbValues = new byte[bytes];            System.Runtime.InteropServices.Marshal.Copy(firstPix, rgbValues, 0, bytes);            int printRowByteCount = Convert.ToInt32(Math.Ceiling((double)(bmp.Width) / 8));            int printRowByteFillCount = 4 - (printRowByteCount % 4);            //int bitFillCount = 8 - (bmp.Width % 8);            byte[] printData = new byte[(printRowByteCount + printRowByteFillCount) * bmp.Height];            int byteCount = 0;            int bitCount = 0;            int rowPoint = 0;            for (int i = 0; i < rgbValues.Length; i += 3)            {                int rgbValue = rgbValues[i] + rgbValues[i + 1] + rgbValues[i + 2];                if (rgbValue != (255 * 3))                {                    printData[byteCount] = Convert.ToByte(printData[byteCount] | bitArray[bitCount]);                }                if (bitCount == 7)                {                    bitCount = 0;                    byteCount++;                }                else                {                    bitCount++;                }                if ((rowPoint + 3) == rowByteCount)                {                    rowPoint = 0;                    if (bitCount > 0)                    {                        byteCount++;                    }                    bitCount = 0;                    byteCount += printRowByteFillCount;                    i = i + filledCount;                }                else                {                    rowPoint += 3;                }            }            foreach (byte byteData in printData)            {                string hexStr = Convert.ToString(byteData, 16);                if (hexStr.Length == 1)                {                    hexStr = '0' + hexStr;                }                imgTxt += hexStr;            }            bmp.UnlockBits(data);            return imgTxt.ToUpper();        }        public static void Printer(string bitbmpPath)         {            string CRNL = "\r\n";            string imgTxt = get24BitBmpData(bitbmpPath);            string cmddata = "! 0 200 200 300 1" + CRNL +                            "EG " + 24 + " " + 50 + " 10 10 " + imgTxt + CRNL +                            "FORM" + CRNL +                            "PRINT" + CRNL;            try            {                string ipAddress = "192.168.1.212";                int port = 9100;                // Open connection                System.Net.Sockets.TcpClient client = new System.Net.Sockets.TcpClient();                client.Connect(ipAddress, port);                // Write CPCL String to connection                System.IO.StreamWriter writer =new System.IO.StreamWriter(client.GetStream());                writer.Write(cmddata);                writer.Flush();                // Close Connection                writer.Close();                client.Close();            }            catch (Exception)            {                // Catch Exception            }        }        #endregion        #endregion    }    #region 定义设备类型枚举    public enum DeviceType    {        COM = 0,        LPT = 1,        DRV = 2,        TCP = 3    }    #endregion    #region 定义打印机指令类型枚举    public enum ProgrammingLanguage    {        ZPL = 0,        EPL = 1,        CPCL = 2    }    #endregion    #region 定义日志类型枚举    public enum LogType    {        Print = 0,        Error = 1    }    #endregion    #region 定义打印文档信息类    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]    public class DocInfo    {        [MarshalAs(UnmanagedType.LPStr)]        public string DocName;        [MarshalAs(UnmanagedType.LPStr)]        public string OutputFile;        [MarshalAs(UnmanagedType.LPStr)]        public string DataType;    }    #endregion    #region 定义图像设备信息类    public class DeviceInfo    {        #region 属性说明        /*         ColorDepth              图像输出支持的颜色范围的像素深度。有效值为 1、4、8、24 和 32。默认值为 24。仅对 TIFF 呈现支持 ColorDepth，对于其他图像输出格式报表服务器将忽略此设置。          注意：          对于此版本的 SQL Server，此设置的值将被忽略，且通常将 TIFF 图像呈现为 24 位。           Columns              要为报表设置的列数。此值将覆盖报表的原始设置。           ColumnSpacing              要为报表设置的列间距。此值将覆盖报表的原始设置。           DpiX              输出设备在 X 方向的分辨率。默认值为 96。           DpiY              输出设备在 Y 方向的分辨率。默认值为 96。           EndPage              要呈现的报表的最后一页。默认值为 StartPage 的值。           MarginBottom              要为报表设置的下边距值，以英寸为单位。您必须包含一个整数或小数值，后跟“in”（例如，1in）。此值将覆盖报表的原始设置。           MarginLeft              要为报表设置的左边距值，以英寸为单位。您必须包含一个整数或小数值，后跟“in”（例如，1in）。此值将覆盖报表的原始设置。           MarginRight              要为报表设置的右边距值，以英寸为单位。您必须包含一个整数或小数值，后跟“in”（例如，1in）。此值将覆盖报表的原始设置。           MarginTop              要为报表设置的上边距值，以英寸为单位。您必须包含一个整数或小数值，后跟“in”（例如，1in）。此值将覆盖报表的原始设置。           OutputFormat              图形设备接口 (GDI) 支持的输出格式之一：BMP、EMF、GIF、JPEG、PNG 或 TIFF。           PageHeight              要为报表设置的页高，以英寸为单位。您必须包含一个整数或小数值，后跟“in”（例如，11in）。此值将覆盖报表的原始设置。           PageWidth              要为报表设置的页宽，以英寸为单位。您必须包含一个整数或小数值，后跟“in”（例如，8.5in）。此值将覆盖报表的原始设置。           StartPage              要呈现的报告的第一页。值为 0 指示将呈现所有页。默认值为 1。           */        #endregion        public enum GDIOutputFormat { BMP, EMF, GIF, JPEG, PNG, TIFF }        public int ColorDepth { get; set; }        public int Columns { get; set; }        public int ColumnSpacing { get; set; }        public int DpiX { get; set; }        public int DpiY { get; set; }        public int EndPage { get; set; }        public int MarginBottom { get; set; }        public int MarginLeft { get; set; }        public int MarginRight { get; set; }        public int MarginTop { get; set; }        public GDIOutputFormat OutputFormat { get; set; }        public int PageHeight { get; set; }        public int PageWidth { get; set; }        public int StartPage { get; set; }        private const string xmlFormater = @"
                       
      
       {0}
                        
      
       {1}
                        
      
       {2}
                        
      
       {3}
                        
      
       {4}
                        
      
       {5}
                        
      
       {6}
                        
      
       {7}
                        
      
       {8}
                        
      
       {9}
                        
      
       {10}
                        
      
       {11}
                        
      
       {12}
                        
      
       {13}
                        
     ";        public DeviceInfo()        {            this.ColorDepth = 24;            this.Columns = 0;            this.StartPage = 1;            this.EndPage = 1;        }        public string GetDeviceInfo()        {            string result = string.Format(xmlFormater,                this.ColorDepth,                this.Columns,                this.ColumnSpacing,                this.DpiX,                this.DpiY,                this.EndPage,                this.MarginBottom,                this.MarginLeft,                this.MarginRight,                this.MarginTop,                this.OutputFormat,                this.PageHeight,                this.PageWidth,                this.StartPage);            return result;        }        public string GetDeviceInfoForImage()        {            string result = string.Format("
     
      
       {0}
      
      
       {1}
      
      
       {2}
      
      
       {3}
      
      
       {4}
      
     ",                this.StartPage,                this.EndPage,                this.OutputFormat,                this.DpiX,                this.DpiY);            return result;        }    }    #endregion  }

public void SendSocketMsg(string ip, int port,byte[] data)        {            try            {                #region 同步 Socket                Socket mySocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);                IPAddress ipAddress = IPAddress.Parse(ip);                IPEndPoint ipEndPoint = new IPEndPoint(ipAddress, port);                if (SettingConfiguration.GetConfiguration("Logger").ToLower() == "true")                {                    string str = System.Text.Encoding.Default.GetString(data);                    string write = string.Format("{0} 发送打印指令至:{1} ", DateTime.Now, ipAddress + ":" + port);                    Logger.Trace(write);                }                mySocket.Connect(ipEndPoint);                mySocket.Send(data);                mySocket.Close();                #endregion            }            catch (Exception ex)            {                Logger.Trace(ex.Message);                Logger.Trace(ex.StackTrace);            }        }

byte[] data = BarPrinter.ZPLPrinter(mHeads[i].Title + "  ", mHeads[i].Specs + " ", mHeads[i].Date + " ", mHeads[i].Code);SendSocketMsg(str[1],Convert.ToInt32(str[2]), data);