ios音乐播放

引入音频，视频库

#import 
@interface ViewController ()
@property(nonatomic,strong) AVPlayer *playler;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    //播放音乐
    AVAudioSession *session = [AVAudioSession sharedInstance];//他是一个单例，管理音视频的
    [session setActive:YES error:nil];
    [session setCategory:AVAudioSessionCategoryPlayback error:nil];
    //资源
    NSBundle *boudle =[NSBundle mainBundle];
    // url  路径
    NSURL *url = [boudle URLForResource:@"冰雨" withExtension:@"mp3"];
    _playler = [[AVPlayer alloc]initWithURL:url];//初始化播放对像
    [_playler setVolume:1.0];//设置y声音大小，1.0为音量最大
    [_playler play];
    
}