UI組件縮放和旋轉

旋轉（注意：值是一個180°PI爲單位）spa #pragma mark 改變組件角度旋轉3d - (IBAction)rotationBlock:(UIButton *)sender {orm     [UIView beginAnimations:nil context:nil];ci     [UIView setAnimationDuration:.8];it     //旋轉開始io  

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