字符串调用方法
- (void)performSelector:(NSString*)name data:(NSArray*)datas {
SEL send = NSSelectorFromString(name);
IMP imp = [self methodForSelector:send];
void (*func)(id,SEL,NSArray*) = (void*)imp;
func(self,send,datas);
}
旋转动画
CABasicAnimation* rotationAnimation;
rotationAnimation = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"];
rotationAnimation.toValue = [NSNumber numberWithFloat: M_PI * 2.0 ];
rotationAnimation.duration = 2;
rotationAnimation.cumulative = YES;
rotationAnimation.repeatCount = 1000;
[self.hud.layer addAnimation:rotationAnimation forKey:@"rotationAnimation"];
git 重命名分支
https://www.php.cn/faq/505467.html
