我是这样设置动画的:self.testAnimation=[CAKeyframeAnimationanimationWithKeyPath:@"TestAnimation"];[self.animationImagesAsCGImagesaddObject:(id)[UIImageimageNamed:@"c1.png"].CGImage];[self.animationImagesAsCGImagesaddObject:(id)[UIImageimageNamed:@"c2.png"].CGImage];[self.animationImagesAsCGImagesaddObject