/**
*  开始动画
*
*  @param view        添加动画的view
*  @param rect        view 的绝对frame
*  @param finishPoint 下落的位置
*  @param animationFinisnBlock 动画完成回调
*/
- (void)startAnimationandView:(UIView *)view andRect:(CGRect)rect andFinisnRect:(CGPoint)finishPoint andFinishBlock:(animationFinisnBlock)completion;