swift：音频滑块控制

import UIKit
import AVFoundation

class AgnesAudioViewController: UIViewController {

var audioPlayer = AVAudioPlayer()
var toggleState = 1
@IBOutlet var slider: UiSlider!
@IBOutlet var playedTime: UILabel!

@IBACtion func done(sender: AnyObject) {
    dismissviewControllerAnimated(true,completion: nil)
    audioPlayer.stop()
}

@IBACtion func play(sender: AnyObject) {
    audioPlayer.play()
    updatetiR_338_11845@e()
}

@IBACtion func pause(sender: AnyObject) {
    audioPlayer.pause()
    updatetiR_338_11845@e()
}

@IBACtion func stop(sender: AnyObject) {
    audioPlayer.stop()
    updatetiR_338_11845@e()
}

@IBACtion func scrubAudio(sender: AnyObject) {
    audioPlayer.stop()
    audioPlayer.currentTime = NSTimeInterval(slider.value)
    audioPlayer.prepareToPlay()
    audioPlayer.play()
}

func updatetiR_338_11845@e() {
    var currentTime = Int(audioPlayer.currentTimE)
    var duration = Int(audioPlayer.duration)
    var @R_201_10586@l = currentTime - duration
    var @R_201_10586@lString = String(@R_201_10586@l)

    var minutes = currentTime/60
    var seconds = currentTime - minutes / 60

    playedTime.text = NSString(format: "%02d:%02d",minutes,seconds) as String
}

@IBACtion func playPauseButton(sender: AnyObject) {
    //1 = play
    //2 = pausw
    var playBtn = sender as! UIButton
    if toggleState == 1 {
        audioPlayer.play()
        toggleState = 2
        playBtn.setImage(UIImage(named:"pause2.png"),forState:UIControlState.Normal)
    } else {
        audioPlayer.pause()
        toggleState = 1
        playBtn.setImage(UIImage(named:"play2.png"),forState:UIControlState.Normal)
    }
}

override func viewDidLoad() {
    super.viewDidLoad()

    var updatetiR_338_11845@er = NSTimer.scheduledTimerWithTimeInterval(0.01,SELEctor: SELEctor("updatetiR_338_11845@e"),repeats: truE)
    var timer = NSTimer.scheduledTimerWithTimeInterval(0.01,repeats: truE)

    let pathString = NSBundle.mainBundle().pathForresource("agnes",ofType: "mp3")

    if let pathString = pathString {

        let pathURL = NSURL(fileURLWithPath: pathString)

        do {

            try audioPlayer = AVAudioPlayer(contentsOfURL: pathURL)

        } catch {

            print("error")
        }


    }

    slider.maximumValue = Float(audioPlayer.duration)
}

func updateSlider() {
    slider.value = Float(audioPlayer.currentTimE)
    }
}