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下面的代码是用于条形码(斑马条码打印机)打印的web应用程序。如果我在应用程序服务器中打印,我可以打印。c#web应用程序中的条码打印
[DllImport("winspool.Drv", EntryPoint = "WritePrinter", SetLastError = true, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]
public static extern bool WritePrinter(IntPtr hPrinter, IntPtr pBytes, Int32 dwCount, out Int32 dwWritten);
public static bool SendBytesToPrinter(string szPrinterName, IntPtr pBytes, Int32 dwCount)
{
Int32 dwError = 0, dwWritten = 0;
IntPtr hPrinter = new IntPtr(0);
DOCINFOA di = new DOCINFOA();
bool bSuccess = false; // Assume failure unless you specifically succeed.
//di.pDocName = "My C#.NET RAW Document";
//di.pDataType = "RAW";
// Open the printer.
if (OpenPrinter(szPrinterName.Normalize(), out hPrinter, IntPtr.Zero))
{
// Start a document.
if (StartDocPrinter(hPrinter, 1, di))
{
// Start a page.
if (StartPagePrinter(hPrinter))
{
// Write your bytes.
bSuccess = WritePrinter(hPrinter, pBytes, dwCount, out dwWritten);
EndPagePrinter(hPrinter);
}
EndDocPrinter(hPrinter);
}
ClosePrinter(hPrinter);
}
// If you did not succeed, GetLastError may give more information
// about why not.
if (bSuccess == false)
{
dwError = Marshal.GetLastWin32Error();
}
return bSuccess;
}
这里szPrinterName
是从应用程序下拉框中打印机名称。 这里我能够仅将应用服务器中安装的打印机名称打印出来并打印到服务器。
我如何在客户机打印机客户机的打印机名称和打印?
编辑使问题更突出。 – Alex
这就是ASP.NET?您无法从服务器访问客户端硬件。 –
@PabloRomeo:如何才能使它在客户端机器上可行?是否有任何JavaScript代码的打印(使用打印机dialoge盒出) – bharath