zc_saas_h5/pages3/static/polyv-sdk/components/ppt/ppt.wxml

<view class="plv-ppt plv-mp-skin__{{ skin }}" style="width:{{width}}rpx;height:{{height}}rpx">
  <view id="plvPPTDom" class="plv-ppt-dom">
        <image src="{{imgUrl}}" class="plv-ppt-dom-img" mode="aspectFit" bindload='handleImgLoad' hidden="{{ isBoard }}"></image>
    <view id="plvPPTDomLoad" class="plv-ppt-dom-load" style="display:{{isLoading?'block':'none'}}">
      <view class="line-spin-fade-loader">
        <view class="line-spin-fade-laoder__view"></view>
        <view class="line-spin-fade-laoder__view"></view>
        <view class="line-spin-fade-laoder__view"></view>
        <view class="line-spin-fade-laoder__view"></view>
        <view class="line-spin-fade-laoder__view"></view>
        <view class="line-spin-fade-laoder__view"></view>
        <view class="line-spin-fade-laoder__view"></view>
        <view class="line-spin-fade-laoder__view"></view>
      </view>
    </view>
    <canvas class="plv-ppt-dom-paint" canvas-id="paintbrush" style="{{canvasStyle}}{{isBoard?'background:#fff;':''}}" id="paintbrush"></canvas>
    <view style="{{canvasStyle}}">
      <image src="../../assets/images/draw-laser.png" class="plv-ppt-dom-laser" hidden="{{!showLaser}}" style="left:{{laserStyle.x-5}}px;top:{{laserStyle.y-5}}px;"></image>
    </view>
  </view>
  <!-- <view style="position:absolute;top:0;left:0;height:100%;width:30%;color:red;">{{log}}</view> -->
</view>