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汤姆猫效果 - OC

来源：花图问答

(IBAction) drink{

//1.把图片加载到数组中
NSMutableArray *arrayM = [NSMutableArray array];

for (int i = 0; i < 81; i++) {
```
  NSString *imgName = [NSString stringWithFormat:@"drink_%02d",i];
  
  UIImage *imgCat = [UIImage imageNamed:imgName];
  
  [arrayM addObject:imgCat];
```
}

//2.设置UIImageView的animationImages为对应图片合集
self.imgViewCat.animationImages = arrayM;

//3.动画持续时间
self.imgViewCat.animationDuration = self.imgViewCat.animationImages.count *0.1;

//4.重复次数
self.imgViewCat.animationRepeatCount = 1;

//5.启动动画
[self.imgViewCat startAnimating];
}