信封的QTextDocument中的页码

Question

我正在编写一个将地址直接打印到信封上的应用程序.我正在使用QTextDocument,问题是它的方法print()添加了页码,这在信封中是不正确的.

一些代码,以防您需要它:

void MainWindow::print()
{
    QString addressText = textEdit->document()->toPlainText();
    envelopeDocument = new QTextDocument(this);
    printer.setResolution(QPrinter::HighResolution);
    printer.setPrinterName("OKI B6200(PCL6)");
    printer.setOrientation(QPrinter::Landscape);
    QFont font("Trebuchet MS");
    switch (envelopeComboBox->currentIndex()){
    case 0:
        font.setPointSize(12);
        envelopeDocument->setDefaultFont(font);
        envelopeDocument->setPlainText(addressText);
        printer.setPaperSize(QSizeF(114,225),QPrinter::Millimeter);
        printer.setPageMargins(120,60,20,15,QPrinter::Millimeter);
        break;
    case 1:
        font.setPointSize(14);
        envelopeDocument->setDefaultFont(font);
        envelopeDocument->setPlainText(addressText);
        printer.setPaperSize(QSizeF(184,262),QPrinter::Millimeter);
        printer.setPageMargins(140,100,20,20,QPrinter::Millimeter);
        break;
    case 2:
        font.setPointSize(16);
        envelopeDocument->setDefaultFont(font);
        envelopeDocument->setPlainText(addressText);

        printer.setPaperSize(QSizeF(227,324), QPrinter::Millimeter);
        printer.setPageMargins(170,120,30,40,QPrinter::Millimeter);
        break;
    }

    QPrintPreviewDialog preview (&printer,this);
    preview.setWindowFlags(Qt::Window);
    connect(&preview, SIGNAL(paintRequested(QPrinter *)),SLOT(printPreview(QPrinter *)));
    preview.exec();
}

void MainWindow::printPreview(QPrinter *p)
{
    envelopeDocument->print(p);
}

谢谢!

Answer 1

您可以尝试以下代码,它可能会帮助您......

QPrinter printer(QPrinter::ScreenResolution);
printer.setPaperSize(QPrinter::A4);
printer.setOutputFormat(QPrinter::PdfFormat);
printer.setOutputFileName( fileName );
// printer.setPageMargins(0.925, 0.8, 0.5, 0.8, QPrinter::Inch);

QSizeF paperSize;
paperSize.setWidth(printer.width());
paperSize.setHeight(printer.height());
document->setHtml(html);
document->setPageSize(paperSize); // the document needs a valid PageSize
document->print(&printer);

当您参考源代码时print(),您将认识到 QPointF pageNumberPos仅在无效时定义QTextDocument.pageSize().在printPage()页面编号将被打印,如果pageNumberPos不是null.因此,只需设置有效QTextDocumtent.pageSize(),您的打印文档上没有页码.