qt加载背景图片的一种方式

//加载背景图片

void LCTGrid::loadBgPicture()

{

    QImage image;

    QPalette palette;

    image.load(m_sPicturePath);

    QPixmap pixmap = QPixmap::fromImage(image.scaled(m_pWidget->width(),

                                                     m_pWidget->height(),

                                                     Qt::IgnoreAspectRatio) );

    palette.setBrush(m_pWidget->backgroundRole(),QBrush(pixmap));

    m_pWidget->setPalette(palette);

}