比如:MyClass继承于QPushButton
void MyClass::paintEvent(QPaintEvent *ev)
{
QStylePainter p(this);
QStyleOptionButton option;
option.initFrom(this);
option.features = QStyleOptionButton::None;
option.text = text();
option.icon = icon();
option.iconSize = iconSize();
p.drawControl(QStyle::CE_PushButton, option);
}
可能有些不恰当,呵呵