1 NSString *musicFilePath = [[NSBundle mainBundle] pathForResource:@"changan" ofType:@"mp3"]; //创建音乐文件路径
 2 NSURL *musicURL = [[NSURL alloc] initFileURLWithPath:musicFilePath];
 3 
 4 AVAudioPlayer *thePlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:musicURL error:nil];
 5 
 6 //创建播放器
 7 self.myBackMusic = thePlayer; //赋值给自己定义的类变量
 8 
 9 [musicURL release];
10 [thePlayer release];
11 
12 [myBackMusic prepareToPlay];
13 [myBackMusic setVolume:1]; //设置音量大小
14 myBackMusic.numberOfLoops = -1;//设置音乐播放次数 -1为一直循环
15 [myBackMusic play]; //播放

NSString *thesoundFilePath = [[NSBundle mainBundle] pathForResource:@"Clapping Crowd Studio 01" ofType:@"caf"]; //创建音乐文件路径
CFURLRef thesoundURL = (CFURLRef) [NSURL fileURLWithPath:thesoundFilePath];
AudioServicesCreateSystemSoundID(thesoundURL, &sameViewSoundID);

//变量SoundID与URL对应
AudioServicesPlaySystemSound(sameViewSoundID); //播放SoundID声音