Swift 播放url 和本地 音频文件

avplayer 播放URL

示例中url 地址，不对

    var playerItem:AVPlayerItem!
    var avplayer:AVPlayer!
    var playerLayer:AVPlayerLayer!
    
      guard let url = NSURL(string: "https://courseware.uuabc.com/uuabc/videos/xxxxxx") else { fatalError("连接错误") }
      
      playerItem = AVPlayerItem(url: url as URL) // 创建视频资源
      // 将视频资源赋值给视频播放对象
      avplayer = AVPlayer(playerItem: playerItem)
      // 初始化视频显示layer
      playerLayer = AVPlayerLayer(player: avplayer)
      avplayer.play()
  

AVAudioPlayer 播放

 var audioPlayer:AVAudioPlayer!
guard let url = NSURL(string: "https://courseware.uuabc.com/uuabc/videos/xxxx") else { fatalError("连接错误") }

        do {         
            let data = try Data.init(contentsOf: url as URL)
            audioPlayer = try AVAudioPlayer.init(data: data)
            audioPlayer.play() 
            } catch let error{
                print(error.localizedDescription)
            }

avplayer 播放本地文件

本地文件： audio57.aac

      var audioPlayer:AVAudioPlayer!
      let path = Bundle.main.path(forResource: "audio57", ofType: "aac")!
      let url = URL(fileURLWithPath: path)
      do {
        print("xxx ")
        audioPlayer =  try AVAudioPlayer(contentsOf: url)
      } catch {
        // can't load file
      }
      audioPlayer.play()
      

或者
本地文件： audio57.aac

     var playerItem:AVPlayerItem!
     var avplayer:AVPlayer!
     var playerLayer:AVPlayerLayer!

      let path = Bundle.main.path(forResource: "audio57", ofType: "aac")!
      let url = URL(fileURLWithPath: path)
      
      playerItem = AVPlayerItem(url: url as URL) // 创建视频资源
     // 将视频资源赋值给视频播放对象
     avplayer = AVPlayer(playerItem: playerItem)
     // 初始化视频显示layer
     playerLayer = AVPlayerLayer(player: avplayer)
     avplayer.play()