combination/miniprogram/packageExtend/pages/extend/barrage/barrage.wxml

<view class="page" data-weui-theme="{{theme}}">

  <video 
    id="myVideo" 
    class="video" 
    src="{{src}}" 
    loop controls 
    bindfullscreenchange="fullscreenchange" 
    vslide-gesture 
    vslide-gesture-in-fullscreen 
    autoplay 
    enable-play-gesture
  >
    <barrage 
      class="barrage" 
      wx:if="{{toggle}}"
    ></barrage>
  </video>
  <button type="primary" bind:tap="handleOpenClick">开启弹幕</button>
  <button type="primary" bind:tap="handleCloseClick">关闭弹幕</button>
  <block wx:if="{{showBarrage}}" >
    <input 
      style="width: 80%;margin: 30px auto;border-bottom: 1px grey solid"
      bindinput="handleInput"
      placeholder="请输入弹幕信息" 
      value="{{barrageValue}}"
    />
    <button type="primary" bind:tap="handleAddClick">发送弹幕</button>
    <button type="primary" bind:tap="handleTunnelShowClick">显示弹道</button>
      <button type="primary" bind:tap="handleTunnelHideClick">隐藏弹道</button>
  </block>
</view>