2019独角兽企业重金招聘Python工程师标准>>> 
QPushButton *btn = new QPushButton("Button", this);
btn->setGeometry(10, 10, 100, 30);
QPropertyAnimation *animation;
animation = new QPropertyAnimation(btn, "geometry", this);
animation->setDuration(3000);//从起始坐标到结束坐标的时长[单位ms]3s，默认250ms
animation->setStartValue(QRect(10, 10, 100, 30)); //设置起始坐标
animation->setEndValue(QRect(200, 150, 100, 30)); //结束坐标，当坐标值改变时，会发生valueChanged信号事件
animation->start();
