QT——生成高清图片

				QImage bitmap(labelOne->size(), QImage::Format_ARGB32_Premultiplied);
				bitmap.fill(Qt::transparent);
				QPainter painter(&bitmap);
				labelOne->render(&painter, QPoint(), QRegion(), QWidget::DrawChildren);


				QString numPath = "C:/1.png";
				bitmap.save(numPath);