重写dragMoveEvent(QDragMoveEvent *e)
void dragMoveEvent(QDragMoveEvent *e)
{
e->setDropAction(Qt::MoveAction);
e->accept();
}
重写dragMoveEvent(QDragMoveEvent *e)
void dragMoveEvent(QDragMoveEvent *e)
{
e->setDropAction(Qt::MoveAction);
e->accept();
}