经测试,已得到用户设置页数,是不是还要对QPrinter对象进行其它设置?
QPrinter printer(QPrinter::ScreenResolution);
QPrintPreviewDialog preview(&printer, this);
preview.setMinimumSize(1000,900);
connect(&preview, SIGNAL(paintRequested(QPrinter *)),this, SLOT(printFiletable(QPrinter *)));
preview.showMaximized();
preview.exec();