Qt 动画之QPropertyAnimation

 1 //定义
 2 QPropertyAnimation* _pAnimation= new QPropertyAnimation(this, "geometry");
 3 //设置动画持续时间
 4 _pAnimation _pAnimation->setDuration(200);
 5 //开始位置
 6 _pAnimation->setKeyValueAt(0, QRect(rect().left(), rect().top(), rect().width(), rect().height()));
 7 //结束位置
 8  _pAnimation->setKeyValueAt(1, QRect(rect().left(), -rect().height(), rect().width(), rect().height()));
 9 //开始动画效果
10  _pAnimation->start();