<!--pages/test/test.wxml-->
  <view class="date-chart" hidden="{{resHidden}}">
    <ec-canvas id="mychart-dom-pie"  canvas-id="mychart-pie" ec="{{ ec }}"></ec-canvas>
    <view class="mask-total row" wx:if='{{show_dataIcon_arr_length>0}}'>
      <view class="num-left col-6">
        <text class="total-tit text-center">学生成绩</text>
        <text class='total-num text-center'>{{show_dataIcon_arr_length}}人</text>
      </view>
    </view>
  </view>