C#生成TSC打印指令打印一个50*60的标签包含CODE128条码
时间: 2023-11-26 09:05:13 浏览: 228
好的,您可以使用以下代码生成TSC打印指令来打印一个50x60的标签,并包含CODE128条码:
```c#
using System;
using System.Drawing;
using System.IO;
using System.Text;
class Program
{
static void Main(string[] args)
{
// 设定打印指令
StringBuilder sb = new StringBuilder();
sb.AppendLine("SIZE 50 mm, 60 mm");
sb.AppendLine("CLS");
sb.AppendLine("BARCODE 50,10,\"128\",30,0,0,2,2,\"1234567890\"");
sb.AppendLine("TEXT 25,50,\"Arial\",0,1,1,\"Label Text\"");
sb.AppendLine("PRINT 1");
// 将指令转换为字节数组
byte[] buffer = Encoding.GetEncoding("gb18030").GetBytes(sb.ToString());
// 保存字节数组为文件
using (FileStream fs = new FileStream("print.txt", FileMode.Create))
{
fs.Write(buffer, 0, buffer.Length);
}
// 发送打印指令到打印机
string printerName = "Your Printer Name";
using (Stream stream = new FileStream("print.txt", FileMode.Open))
{
using (var printer = new RawPrinterHelper(printerName))
{
printer.SendStream(stream, "Label");
}
}
// 删除临时文件
File.Delete("print.txt");
}
}
public class RawPrinterHelper
{
public string PrinterName { get; set; }
public RawPrinterHelper(string printerName)
{
PrinterName = printerName;
}
public void SendStream(Stream stream, string documentName)
{
// 打开打印机
IntPtr printerHandle;
if (!OpenPrinter(PrinterName, out printerHandle, IntPtr.Zero))
throw new Exception("Failed to open printer");
// 打印文档
DOCINFO documentInfo = new DOCINFO
{
pDocName = documentName,
pDataType = "RAW"
};
if (!StartDocPrinter(printerHandle, 1, documentInfo))
throw new Exception("Failed to start document");
if (!StartPagePrinter(printerHandle))
throw new Exception("Failed to start page");
byte[] buffer = new byte[4096];
int bytesRead = 0;
while ((bytesRead = stream.Read(buffer, 0, buffer.Length)) > 0)
{
IntPtr unmanagedBytes = Marshal.AllocCoTaskMem(bytesRead);
Marshal.Copy(buffer, 0, unmanagedBytes, bytesRead);
if (!WritePrinter(printerHandle, unmanagedBytes, (uint)bytesRead, out uint bytesWritten))
throw new Exception("Failed to write to printer");
Marshal.FreeCoTaskMem(unmanagedBytes);
}
if (!EndPagePrinter(printerHandle))
throw new Exception("Failed to end page");
if (!EndDocPrinter(printerHandle))
throw new Exception("Failed to end document");
// 关闭打印机
ClosePrinter(printerHandle);
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DOCINFO
{
[MarshalAs(UnmanagedType.LPWStr)] public string pDocName;
[MarshalAs(UnmanagedType.LPWStr)] public string pOutputFile;
[MarshalAs(UnmanagedType.LPWStr)] public string pDataType;
}
[DllImport("winspool.drv", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool OpenPrinter(string pPrinterName, out IntPtr phPrinter, IntPtr pDefault);
[DllImport("winspool.drv", SetLastError = true)]
public static extern bool ClosePrinter(IntPtr hPrinter);
[DllImport("winspool.drv", SetLastError = true)]
public static extern bool StartDocPrinter(IntPtr hPrinter, int level, [In] ref DOCINFO di);
[DllImport("winspool.drv", SetLastError = true)]
public static extern bool EndDocPrinter(IntPtr hPrinter);
[DllImport("winspool.drv", SetLastError = true)]
public static extern bool StartPagePrinter(IntPtr hPrinter);
[DllImport("winspool.drv", SetLastError = true)]
public static extern bool EndPagePrinter(IntPtr hPrinter);
[DllImport("winspool.drv", SetLastError = true)]
public static extern bool WritePrinter(IntPtr hPrinter, IntPtr pBytes, uint dwCount, out uint dwWritten);
}
```
这段代码会生成一个 TSC 打印指令,并将其保存到一个临时文件中。然后,它会将指令发送到打印机,并删除临时文件。
请注意将 `Your Printer Name` 替换为您的打印机名称。
此外,您需要使用 `RawPrinterHelper` 类来发送打印指令。这个类使用 Win32 API 来与打印机通信,因此您需要在项目中添加以下 `DllImport` 声明:
```c#
[DllImport("winspool.drv", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool OpenPrinter(string pPrinterName, out IntPtr phPrinter, IntPtr pDefault);
[DllImport("winspool.drv", SetLastError = true)]
public static extern bool ClosePrinter(IntPtr hPrinter);
[DllImport("winspool.drv", SetLastError = true)]
public static extern bool StartDocPrinter(IntPtr hPrinter, int level, [In] ref DOCINFO di);
[DllImport("winspool.drv", SetLastError = true)]
public static extern bool EndDocPrinter(IntPtr hPrinter);
[DllImport("winspool.drv", SetLastError = true)]
public static extern bool StartPagePrinter(IntPtr hPrinter);
[DllImport("winspool.drv", SetLastError = true)]
public static extern bool EndPagePrinter(IntPtr hPrinter);
[DllImport("winspool.drv", SetLastError = true)]
public static extern bool WritePrinter(IntPtr hPrinter, IntPtr pBytes, uint dwCount, out uint dwWritten);
```
请注意,这段代码仅适用于 Windows 操作系统。如果您的应用程序需要在其他平台上运行,您需要使用适当的方法来与打印机通信。