Qt打印类的使用案例,
QAbstractPrintDialog
Baseimplementationforprintdialogsusedtoconfigureprinters
QPageSetupDialog
Configurationdialogforthepage-relatedoptionsonaprinter
QPrintDialog
Dialogforspecifyingtheprinter'sconfiguration
QPrintPreviewDialog
Dialogforpreviewingandconfiguringpagelayoutsforprinteroutput
QPrintEngine
DefinesaninterfaceforhowQPrinterinteractswithagivenprintingsubsystem
QPrinter
Paintdevicethatpaintsonaprinter
QPrinterInfo
Givesaccesstoinformationaboutexistingprinters
QPrintPreviewWidget
Widgetforpreviewingpagelayoutsforprinteroutput