iOS开发（OC）——根据url播放音频

@property (nonatomic,strong)MPMoviePlayerController *moviePlayer;

-(void)playWithUrlString:(NSString *)urlString{    [self.moviePlayer stop];    self.moviePlayer =[[MPMoviePlayerController alloc]initWithContentURL:[NSURL URLWithString:urlString]];//远程    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(moviePlayBackDidFinish:)name:MPMoviePlayerPlaybackDidFinishNotification object:_moviePlayer];    [self.moviePlayer play];}

//播放完成
-(void)moviePlayBackDidFinish:(NSNotification *)sender
{

}