播放音乐

-(void)playVideo:(NSString *)path{
    NSURL *url=[NSURLfileURLWithPath:path];
    _player = [[AVAudioPlayeralloc] initWithContentsOfURL:urlerror:nil];
    //声明一个id
    SystemSoundID numberID=0;
    //创建系统播放
    AudioServicesCreateSystemSoundID((__bridgeCFURLRef  _Nonnull) (url), &numberID);
    //添加注册
    AudioServicesAddSystemSoundCompletion(numberID,NULL, NULL,soundCompleteCallBack, NULL);
    //播放
    AudioServicesPlayAlertSound(numberID);
}
-void soundCompleteCallBack(SystemSoundID soundID,void *clientData){
    NSLog(@"播放完成。。。。");
    
}