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

<view>
  <view class="chapter-container plv-mp-skin__{{ skin }}">
    <view wx:if="{{ playBackListData.length > 0 }}">
      <view
        class="chapter-li"
        wx:for="{{ playBackListData }}"
        wx:key="index"
        bindtap="tapPlayback"
        data-idx="{{ index }}"
      >
        <view class="playback-image">
          <image mode="aspectFill" class="playback-first-image" src="{{ item.firstImage }}"/>
          <image mode="aspectFill" class="cover-icon back-playing" src="{{ index === currentIndex ? currentImage[0] : '../../assets/images/icon-play-back.png' }}" />
        </view>
        <view class="playback-list-msg">
          <text class="charpter-text list-title {{ index === currentIndex ? 'chapter-color' : 'title-color' }} ">{{ item.title }}</text>
          <image mode="aspectFill" class="list-duration-icon"
                 src="{{ index === currentIndex ? currentImage[1] : ('../../assets/images/' + skin + '/icon-duration.png') }}" />
          <text class="harpter-text list-time {{ index === currentIndex ? 'chapter-color' : 'title-color' }}">{{ item.duration }}</text>
        </view>
      </view>
    </view>
  </view>
</view>