[提问]我的Dialog怎么不能显示图片 [复制链接]

void Dialog::paintEvent(QPaintEvent *)
{
    QPainter painter(this);
    //painter.drawLine(0,0,100,100);
    QPixmap pix;
    pix.load("images/bule.png");
    painter.drawPixmap(50,50,100,100,pix);
}