【SwiftUI】Buttonを押してmp3を再生する

AVFoundationをインポート

import AVFoundation

var sound: AVAudioPlayer?

func playSound() {

    if let path = Bundle.main.path(forResource: "2_cymbal", ofType: "mp3") {
        do {
            sound = try AVAudioPlayer(contentsOf: URL(fileURLWithPath: path))
            print("Playing sound")
            sound?.play()
        } catch {
            print( "Could not find file")
        }
    }
}

参考：

swift - Audio not playing in SwiftUI - Stack Overflow