1 [CATransaction begin];
2 [CATransaction setAnimationDuration:2];
3 self.layer.zPosition = 3;
4 self.layer.bounds = CGRectMake(0, 0, 100, 100);
5 [CATransaction commit];
1 [CATransaction begin];
2 [CATransaction setAnimationDuration:2];
3 self.layer.zPosition = 3;
4 self.layer.bounds = CGRectMake(0, 0, 100, 100);
5 [CATransaction commit];
转载于:https://www.cnblogs.com/sell/archive/2013/02/14/2911205.html