swkz_wx/pages/user/my_host_course/index.wxml

<!--pages/user/my_course/my_course.wxml-->
<t-pull-down-refresh value="{{enable}}" loadingTexts="{{['下拉刷新', '松手刷新', '正在刷新', '刷新完成']}}" bind:refresh="onRefresh"
  bind:scroll="onScroll">
  <!-- 包裹页面全部内容 -->
  <view class="container">
    <view class="list">
      <view class="course_item_container" wx:for="{{testData}}" wx:key="index">
        <view class="course_item ">
          <t-image class="cover" src="https://ossxiaoan.4dage.com/720yun_fd_manage/fodder/20230506_163327998.jpg"
            mode="aspectFill" aria-label="一个放置在墙角的黄色行李箱" />
          <view class="content">
            <view class="title">
              天安门广场+明清皇家宫殿紫禁城+八达岭长城赏塞外风光+半部, 天安门广场+明清皇家宫殿紫禁城+八达岭长城赏塞外风光+半部, 天安门广场+明清皇家宫殿紫禁城+八达岭长城赏塞外风光+半部
            </view>
            <view class="sub_info">
              <view class="author">
                余老师带你飞
              </view>
              <view class="status">
                <image class="time" src="../../../imgs/time.png"></image>
                <text>45分钟</text>
              </view>
            </view>
          </view>
        </view>
        <view class="entry">
          <t-count-down class="count" size="small" content="default" time="{{ time }}" format="HH:mm:ss:SSS"
            theme="square" millisecond> </t-count-down>
          <!-- <text>xxxx</text> -->
          <view class="btn">
            <t-button theme="danger" size="extra-small" shape="round">开始课程</t-button>
          </view>

        </view>
      </view>

    </view>

    <t-back-top text="顶部" scroll-top="{{scrollTop}}" visibility-height="{{100}}" />
  </view>
</t-pull-down-refresh>