weapp_bbs/components/empty/empty.wxml

<!--components/empty/empty.wxml-->
<view class="empty-wrap {{isFixed ? 'is-absolute':''}}" style="top:{{ top }}rpx">
  <image wx:if="{{img.length}}" src="{{ img }}" class="img"></image>
  <text class="tips">{{ tips }}</text>
  <text wx:if="{{subTips.length}}" class="sub-tips">{{ subTips }}</text>
  <button wx:if="{{ btnTxt.length }}" class="btn" bind:tap="handleBtnAction">
    {{ btnTxt }}
  </button>
</view>