// [self performSelector:@selector(play:) withObject:self afterDelay:3];
// dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(2.0*NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
// NSLog(@"========");
// });
[NSTimer scheduledTimerWithTimeInterval:2 target:self selector:@selector(play:) userInfo:nil repeats:NO];
时间: 2024-10-08 11:00:33