schoolwisdoms-student-mp/pages/demo/demo.wxml

<view>
  <view>
    <view bindtap="changeVideo">上传视频</view>
    <video poster="{{poster}}" src="{{src}}"></video>
  </view>

  <view>
    <audio poster="{{poster}}" name="{{name}}" author="{{author}}" src="{{audiosrc}}" id="myAudio" controls></audio>
    <button type="primary" bindtap="getRecord">录音</button>
    <button type="primary" bindtap="endRecord">停止并播放</button>
    <button type="primary" bindtap="audio14">设置当前播放时间为14秒</button>
    <button type="primary" bindtap="audioStart">回到开头</button>
  </view>
</view>