fupin/pages/home/guide/detail/index.wxml

<view style="text-align: center;margin: 10px; font-weight: 700;font-size: 40rpx;">{{title}}</view>
<view style="padding: 20rpx 20rpx 150rpx;">
  <rich-text nodes="{{content}}" space="nbsp"></rich-text>
</view>
<view class="footer">
  <view wx:if="{{total != 0}}" class="footer-button" bind:tap="toApplyFor">
    我要申请 <text wx:if="{{total && total< 101}}">(名额剩余：{{total}})</text>
  </view>
  <view wx:if="{{total == 0}}" class="footer-button" style="background-color: gray;">
    我要申请 <text>(名额剩余：0)</text>
  </view>
</view>