PDFBox：如何使用指定的打印机打印pdf？ [英] PDFBox: How to print pdf with specified printer?

问题描述

我想使用PDFBox打印由iText创建的PDF文件。我已经使用PDDocument类及其方法print（）成功地尝试了这个。您可以在此处找到文档： http://pdfbox.apache.org/apidocs/ 。

I want to use PDFBox for printing PDF files created by iText. I have tried this successfully with PDDocument class and its method print(). You can find documentation here: http://pdfbox.apache.org/apidocs/.

（我正在使用此代码：）

(I am using this code:)

public static void printPDF(String fileName)
        throws IOException, PrinterException {
    PDDocument doc = PDDocument.load(fileName);
    doc.print();
}

方法print（）效果很好，但有一个问题：当我需要打印多个文件时，该方法要求我为每个文档选择打印机..

The method print() works great, but there is one problem: When I need to print multiple files, the method asks me to select printer for each one of documents..

有什么方法仅设置一次打印机？

对于打印机选择我可以使用此代码，例如：

For printer selection I can use this code for example:

public static PrintService choosePrinter() {
    PrinterJob printJob = PrinterJob.getPrinterJob();
    if(printJob.printDialog()) {
        return printJob.getPrintService();          
    }
    else {
        return null;
    }
}

提前致谢

public static PrintService choosePrinter() {
    PrinterJob printJob = PrinterJob.getPrinterJob();
    if(printJob.printDialog()) {
        return printJob.getPrintService();          
    }
    else {
        return null;
    }
}

public static void printPDF(String fileName, PrintService printer)
        throws IOException, PrinterException {
    PrinterJob job = PrinterJob.getPrinterJob();
    job.setPrintService(printer);
    PDDocument doc = PDDocument.load(fileName);
    doc.silentPrint(job);
}

推荐答案

PDDocument 还提供其他打印方法，而不是无参数 print（）：

PDDocument also offers other print methods than the parameterless print():

public void print(PrinterJob printJob) throws PrinterException;
public void silentPrint() throws PrinterException;
public void silentPrint(PrinterJob printJob) throws PrinterException;

silentPrint 方法不会显示对话框。

The silentPrint methods don't show the dialog.

首先选择一台打印机，然后用<$ c $打电话给 silentPrint ，你可以得到你想要的东西。 c> PrinterJob 相应地初始化实例。

You may get what you want by first selecting a printer and then call silentPrint with PrinterJob instances initialized accordingly.

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