HTML代码：
<view class="bubble voice" bindtap="playVoice('https://learn-english-number.ifcode.com/gameover.mp3')">
  <view class="icon other-voice"></view>
</view>

JS代码：

playVoice: function(url,index) {
    const context = wx.createInnerAudioContext()
    context.autoplay = true
    context.src = url
    context.onPlay(() => {
      console.log('play', url)
    })
    context.onError((res) => {
      console.error('play.error',res)
    })
    context.onEnded(() => {
      console.log('end')
    })
  }