[UIViewbeginAnimations:@"rotate"context:nil];
[UIViewsetAnimationDuration:.25f];
if(CGAffineTransformEqualToTransform(button.imageView.transform,CGAffineTransformIdentity)){
button.imageView.transform = CGAffineTransformMakeRotation(M_PI);
}else {
button.imageView.transform =CGAffineTransformIdentity;
}
[UIViewcommitAnimations];
内容全部来源于网络收集，如有侵权，请联系网站删除：QQ：24596024