从资源库中读取数据 并播放

-(void)Eduqu{

NSError *err=nil;

NSString *str=[NSStringstringWithFormat:@"http://127.0.0.1/audio/upload/%d.aif",I];

NSURL *fileUrl=[NSURL URLWithString:str];

NSData *data=[NSData dataWithContentsOfURL:fileUrl];

//设定后台播放

[[AVAudioSessionsharedInstance]setCategory:AVAudioSessionCategoryPlaybackerror:&err];

//设定激活状态

[[AVAudioSession sharedInstance]setActive:YES error:&err];

//播放

player=[[AVAudioPlayer alloc]initWithData:data error:&err];

[player play];

}