NSString *musicPath = [[NSBundle mainBundle] pathForResource:@"净土"
ofType:@"mp3"];
if (musicPath)
{
NSURL *musicURL = [NSURL fileURLWithPath:musicPath];
[[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryPlayback error:nil];
audioPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:musicURL error:nil];
[audioPlayer setDelegate:self];
}