CATransform3D transform = CATransform3DIdentity;
[self.BottomImage.layer setTransform:CATransform3DRotate(transform, -M_PI_2, 0, 0, 1)];
CATransform3D transform = CATransform3DIdentity;
[self.BottomImage.layer setTransform:CATransform3DRotate(transform, -M_PI_2, 0, 0, 1)];
本文标题:对UIImageView 的layer 做旋转
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