-(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];
//設定後台播放
[[AVAudioSessionsharedInstance]setCategory:AVAudioSessionCategoryPlaybackerror:&err];
//設定激活狀態
[[AVAudioSession sharedInstance]setActive:YES error:&err];
//播放
player=[[AVAudioPlayer alloc]initWithData:data error:&err];
[player play];
}
