缩放动画

- (CABasicAnimation *)scale:(NSNumber *)Multiple orgin:(NSNumber *)orginMultiple durTimes:(float)time Rep:(float)repeatTimes

{

    

    CABasicAnimation *animation=[CABasicAnimationanimationWithKeyPath:@"transform.scale"];

    

    animation.fromValue=Multiple; 

    

    animation.toValue=orginMultiple;

    

    animation.duration=time;

    

    animation.autoreverses=YES;

    

    animation.repeatCount=repeatTimes;

    

    

    animation.fillMode=kCAFillModeForwards;

    

    return animation;

    

}