问无法使用Alamofire通过服务器上传音频文件

EN

class VoiceRecogViewController: UIViewController, AVAudioPlayerDelegate, AVAudioRecorderDelegate {


var audioPlayer: AVAudioPlayer?
var audioRecorder: AVAudioRecorder?
var error: NSError?
var soundFileURL: URL?
var soundFilePath: String = ""
var data : NSData?

@IBOutlet weak var startRocordButton: UIButton!
@IBOutlet weak var stopRecordButton: UIButton!
@IBOutlet weak var playRecordButton: UIButton!
@IBOutlet weak var continueButton: UIButton!

override func viewDidLoad() {

    super.viewDidLoad()
    playRecordButton.isEnabled = false
    stopRecordButton.isEnabled = false

    let dirPaths =
        NSSearchPathForDirectoriesInDomains(.documentDirectory,
                                            .userDomainMask, true)

    let docsDir = dirPaths[0]
    soundFilePath = (docsDir as NSString).appendingPathComponent("sound.wav")
    soundFileURL = URL(fileURLWithPath: soundFilePath)

    let recordSettings = [AVEncoderAudioQualityKey: AVAudioQuality.min.rawValue,
                          AVEncoderBitRateKey: 16,
                          AVNumberOfChannelsKey: 2,
                          AVSampleRateKey: 44100.0] as [String : Any]

    let audioSession = AVAudioSession.sharedInstance()
    try! audioSession.setCategory(AVAudioSessionCategoryPlayAndRecord, with: [])
    try! audioSession.setActive(true)

    if let err = error {
        print("audioSession error: \(err.localizedDescription)")
    }

    do {
        audioRecorder = try AVAudioRecorder(url: soundFileURL!,
                                            settings: recordSettings as [String : AnyObject])
    } catch {
        audioRecorder = nil
    }

    audioRecorder?.prepareToRecord()

    // Do any additional setup after loading the view.
}

override func didReceiveMemoryWarning() {
    super.didReceiveMemoryWarning()
    // Dispose of any resources that can be recreated.
}


@IBAction func startRecord(_ sender: AnyObject) {
    if audioRecorder?.isRecording == false {
        playRecordButton.isEnabled = false
        startRocordButton.isEnabled = false
        stopRecordButton.isEnabled = true
        audioRecorder?.record()
    }
}

@IBAction func stopRecord(_ sender: AnyObject) {
    stopRecordButton.isEnabled = false
    playRecordButton.isEnabled = true
    startRocordButton.isEnabled = true

    if audioRecorder?.isRecording == true {
        audioRecorder?.stop()
    } else {
        audioPlayer?.stop()
    }
}

@IBAction func playRecord(_ sender: AnyObject) {
    if audioRecorder?.isRecording == false {
        stopRecordButton.isEnabled = true
        startRocordButton.isEnabled = false
    }

    do {
        try audioPlayer = AVAudioPlayer(contentsOf: soundFileURL!)
        audioPlayer?.delegate = self
        audioPlayer?.prepareToPlay()
        audioPlayer?.play()
    } catch {
        print("audioPlayer error")
    }
}

@IBAction func continueRegist(_ sender: AnyObject) {

    let headers: HTTPHeaders = ["Authorization": "Token ___(**token**)_____",
                                "Accept": "application/json"]

    data = NSData (contentsOf: soundFileURL!)

    let parameters: Parameters = ["from_account_id": "3",
                                  "to_account_id": "4",
                                  "file": data!,
                                 ]

    let URL = "http://leaofımjpüsmfweüdıpckfw"

            Alamofire.request(URL, method: .put, parameters: parameters, headers: headers).responseJSON { response in
                if let data = response.result.value {
                    print(data)
                }
            }
}
func audioPlayerDidFinishPlaying(_ player: AVAudioPlayer, successfully flag: Bool) {
    startRocordButton.isEnabled = true
    stopRecordButton.isEnabled = false
}

func audioPlayerDecodeErrorDidOccur(_ player: AVAudioPlayer, error: Error?) {
    print("Audio Play Decode Error")
}

func audioRecorderDidFinishRecording(_ recorder: AVAudioRecorder, successfully flag: Bool) {
}

func audioRecorderEncodeErrorDidOccur(_ recorder: AVAudioRecorder, error: Error?) {
    print("Audio Record Encode Error")
}