efunbox-schedule-miniApps/pages/art/art.wxml

<!--pages/art/art.wxml-->
<view class="container">
  <!-- 标题 -->
  <tarbar id="tarbar"/>
  <!-- 内容 -->
  <view class="content">
      <scroll-view scroll-y="true"  scroll-with-animation="true" scroll-with-animation="true" enable-back-to-top="true" scroll-into-view="{{position}}">
          <!-- 科学艺术 -->
          <view class="art">
            <target wxObjectives="{{wxObjectives}}"/>

            <lessonList 
            lessonData="{{list}}"
            height="{{lessonListHeight}}"/>

            <preview 
            materialData="{{courseData.lessonPage.list}}"
            height="{{previewHeight}}"/>

            <chat id="upload"
                ind="7"
                id="chat"
                productionData="{{productionData}}" 
                title="作品展示"
                query="上传作品"
                type="2"
                columnType="6"
                bind:myevent="onMyEvent"
                bind:getHeight="onGetHeight"
                data-type="2"
                more="{{productionMore}}"/>

            <chat id="questions"
                productionData="{{questionsData}}" 
                title="答疑讨论"
                query="我有疑问"
                type="1"
                columnType="6"
                bind:myevent="onMyEvent"
                data-type="1"
                more="{{questionsMore}}"/>

            <view class="questions-one" data-id="questions" bindtap="location">
                <image src="../image/q_discuss.png" ></image>
                <text class="row" wx:if="{{questionsdian > 0}}"></text>
            </view>

            <view class="upload-one" data-id="upload" bindtap="location">
                <image src="../image/works.png" ></image>
            </view>  
            <view class="canvas-box">
                <canvas canvas-id="myCanvas" style="width:100%; height: {{canvasHeight}}px;"></canvas>
            </view>
          </view>
      </scroll-view>
  </view>
</view>