// MARK: - 系统声音

    /*----- 系统声音 ------*/

    @IBAction func systemSound()

    {

        //建立的SystemSoundID对象

        var soundID: SystemSoundID = 

        //获取声音文件地址

        let path = NSBundle.mainBundle().pathForResource("SaoMa", ofType: "wav")

        //地址转换

        let baseURL = NSURL(fileURLWithPath: path!)

        //赋值

        AudioServicesCreateSystemSoundID(baseURL , &soundID)

        //使用AudioServicesPlaySystemSound播放

        AudioServicesPlaySystemSound(soundID)

    }

/*----- 系统提醒 ------*/

    @IBAction func systemAlert()

    {

        //建立的SystemSoundID对象

        var soundID: SystemSoundID = 

        //获取声音文件地址

        let path = NSBundle.mainBundle().pathForResource("SaoMa", ofType: "wav")

        //地址转换

        let baseURL = NSURL(fileURLWithPath: path!)

        //赋值

        AudioServicesCreateSystemSoundID(baseURL , &soundID)

        //使用AudioServicesPlayAlertSound播放

        AudioServicesPlayAlertSound(soundID)

    }

/*----- 系统震动 ------*/

    @IBAction func systemVibration()

    {

         //建立的SystemSoundID对象

        let soundID = SystemSoundID(kSystemSoundID_Vibrate)

        //使用AudioServicesPlaySystemSound播放

        AudioServicesPlaySystemSound(soundID)

    }

    @IBOutlet var timeLabel:UILabel!//播放的时间／总时间

    @IBOutlet var jinDuSlider:UISlider!//进度条

    var _timer:NSTimer!//定时器线程， 刷新进度条

let mp3Path = NSBundle.mainBundle().pathForResource("xiaoPingGuo", ofType: "mp3")

        let fileUrl = NSURL.fileURLWithPath(mp3Path!)

        do

        {

            audioPlayer = try AVAudioPlayer(contentsOfURL: fileUrl)

        }

        catch let error as NSError {

            print("初始化播放器失败：\(error)")//如果失败，error 会返回错误信息

        }

        audioPlayer.prepareToPlay()

//播放按钮事件

    @IBAction func audioPlayButton()

    {

        if audioPlayer.playing

        {

            return;//如果已在播放，跳出

        }

        //开始播放音频文件

        audioPlayer.play()

        //设置进图条最小是=0

        jinDuSlider.minimumValue = 0.0;

        //设置进度条最大值等于声音的描述

        jinDuSlider.maximumValue = Float(audioPlayer.duration)

        //启动定时器 定时更新进度条和时间label 在updateTime方法中实现

        _timer = NSTimer.scheduledTimerWithTimeInterval(0.5, target: self, selector: "updateTime", userInfo: nil, repeats: true)

    }

//定时器-

    func updateTime()

    {

        //获取音频播放器播放的进度，单位秒

        let cuTime:Float = Float(audioPlayer.currentTime)

        //更新进度条

        jinDuSlider.value = cuTime

        //获取总时间

        let duTime:Float = Float(audioPlayer.duration)

        //播放时间秒数，换算成：时、分、秒

        let hour1:Int = Int(cuTime/(*))

        let minute1:Int = Int(cuTime/)

        let second1:Int = Int(cuTime%)

        //总时间秒数，换算成：时、分、秒

        let hour2:Int = Int(duTime/(*))

        let minute2:Int = Int(duTime/)

        let second2:Int = Int(duTime%)

        //label显示

        timeLabel.text = NSString(format: "%.2d:%.2d:%.2d / %.2d:%.2d:%.2d",hour1,minute1,second1,hour2,minute2,second2) as String

    }

//播放代理 AVAudioPlayerDelegate

    func audioPlayerDidFinishPlaying(player: AVAudioPlayer, successfully flag: Bool)

    {

        //成功播放完毕结束

    }

    func audioPlayerDecodeErrorDidOccur(player: AVAudioPlayer, error: NSError?)

    {

        //音频播放器的解码错误

    }

    //@availability(iOS, introduced=2.2, deprecated=8.0)

    func audioPlayerBeginInterruption(player: AVAudioPlayer)

    {

        //音频播放器开始中断

    }

    //@availability(iOS, introduced=6.0, deprecated=8.0)

    func audioPlayerEndInterruption(player: AVAudioPlayer, withOptions flags: Int)

    {

        //音频播放结束中断

    }

//暂停

    @IBAction func audioPauseButton(sender:UIButton)

    {

        let title = sender.titleForState(UIControlState.Normal)

        if  title == "Pause" && audioPlayer.playing

        {

            audioPlayer.pause()

            sender.setTitle("Continue", forState: UIControlState.Normal)

        }

        else if title == "Continue"

        {

            sender.setTitle("Pause", forState: UIControlState.Normal)

            audioPlayer.play()

        }

    }

    //停止

    @IBAction func audioStopButton(sender:UIButton)

    {

        if(audioPlayer.playing)

        {

            audioPlayer.stop()

            audioPlayer.currentTime=;

            timeLabel.text = "";

        }

    }

    //调 进度

    @IBAction func jinDuChange(sender:UISlider)

    {

        //获取jinDuSlider的值来设置音频播放器进度

        print("当前进度：\(jinDuSlider.value)")

        audioPlayer.currentTime = NSTimeInterval(jinDuSlider.value)

        //播放器播放

        audioPlayer.play()

    }

    //控制声音

    @IBAction func audioSoundChange(sender:UISlider)

    {

        //获取UISlider对象的值，并设置audioPlayer.volume

        audioPlayer.volume = sender.value

        aLabel.text = "\(sender.value)"

    }