<div class="wrapper">
  <ul style="background: #f6f6f6;">
    <li>头像</li>
    <li>昵称</li>
    <li>性别</li>
    <li>阅读时间</li>
  </ul>
  <ul *ngFor="let readerItem of readerList">
    <li>
      <div class="headimg">
        <img src="{{getDefaultHead(readerItem.imagePath)}}" alt="头像">
      </div>
    </li>
    <li>{{lifeCommonService.isEmpty(readerItem.nickName)}}</li>
    <li>{{getGender(readerItem.gender)}}</li>
    <li>{{readerItem.trackInTime.substr(5,11)}}</li>
  </ul>
</div>