iOS-导入音频

1.工程文件->build phases ->link binary with libraries 导入 AVF
2.#import <AVFoundation>

3. NSString *path = [[NSBundle mainBundle] pathForResource:@"enemy3_down.mp3" ofType:nil];

   _bombAudioPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:path] error:nil];
   _bombAudioPlayer.numberOfLoops = 1;
   [_bombAudioPlayer play];