WXXR/miniprogram/components/xr-demo-viewer/index.wxml

<view class="demo-wrap">
  <scroll-view class="demo-viewer" scroll-y="{{true}}">
    <block bind:sceneReady="handleSceneReady">
      <slot></slot>
    </block>
    <view class="intro">
      <view class="intro-detail">
        <view class="intro-title" ><text>{{title}}</text> <button class="share" open-type="share">分享给好友</button></view>
        <view class="description">{{intro}}</view>
        <slot name="intro"></slot>
      </view>
    </view>
    <view wx:if="{{hint.length > 0}}">
      <view class="hint-wrap">
        <text class="hint-words" >{{hint}}</text>
      </view>
    </view>
    <view wx:if="{{code.length > 0}}">
      <view class="intro">
        <view class="intro-detail">
          <view class="title">代码演示</view>
          <view class="code-inner">
            <rich-text nodes="{{code}}"></rich-text>
          </view>
        </view>
      </view>
    </view>
    <view wx:if="{{js.length > 0}}">
      <view class="intro">
        <view class="intro-detail">
          <view class="title">脚本演示</view>
          <view class="code-inner">
            <rich-text nodes="{{js}}"></rich-text>
          </view>
        </view>
      </view>
    </view>
    <view wx:if="{{json.length > 0}}">
      <view class="intro">
        <view class="intro-detail">
          <view class="title">动画数据结构</view>
          <view class="code-inner">
            <rich-text nodes="{{json}}"></rich-text>
          </view>
        </view>
      </view>
    </view>
    <view class="holder"></view>
  </scroll-view>
  <view class="back-btn-wrap" wx:if="{{showBackBtn}}" bind:tap="onClickBack">
    <view class="back-line-t"></view>
    <view class="back-line-b"></view>
  </view>
</view>