按下按钮时无法播放声音

Question

我有以下代码，我总是在“ try btnSound”上得到一个断点。不知道我在哪里做错了。声音文件位于主文件夹中。

import UIKit

import AVFoundation

class ViewController: UIViewController {

    @IBOutlet weak var outputLbl: UILabel!

    var btnSound: AVAudioPlayer = AVAudioPlayer()


    override func viewDidLoad() {
        super.viewDidLoad()

        let path = Bundle.main.path(forResource: "btn", ofType: "wav")

        do {

            try btnSound = AVAudioPlayer(contentsOf: URL(fileURLWithPath: path!))

            btnSound.prepareToPlay()

        } catch let err as NSError {
            print(err.debugDescription)
        }

    }
    @IBAction func numberPressed(btn: UIButton!){
        btnSound.play()
    }

}

Answer 1

好。谢谢大家我只是用过：

var audioPlayer = AVAudioPlayer（）

    let source = Bundle.main.path(forResource: "btn", ofType: "wav")

    do {
        audioPlayer = try AVAudioPlayer(contentsOf: URL(fileURLWithPath: source!))
        audioPlayer.prepareToPlay()
    } catch let err as NSError {
        print(err.debugDescription)
    }

我将“路径”重命名为“声音”，并且开始工作。不知道是什么问题。