xiaoshi-wx/myComponents/floatButton/floatButton.wxml

<!--myComponents/floatButton/floatButton.wxml-->
<view wx:if="{{count>0}}" class="float-btn-container" style="top:{{top}}px;left: {{left}};" catchtouchmove="onButtonMove" catchtouchstart="onButtonTouchStart" catchtouchend="onButtonTouchEnd" catch:tap="click"> 

    <!-- 按钮内容，比如图标或文字 -->  
    <!-- <wux-badge count="{{10}}">
      <text class="iconfont {{icon}}"></text>  
    </wux-badge> -->
    <view class="badge">
      <view class="iconfont {{icon}}"></view>
      <view class="count">
        <text wx:if="{{count>=max}}" class="num">{{count - 1}}+</text>
        <text wx:else>{{count}}</text>
      </view>
      <!-- <van-tag round color="#3f395c" class="count">
        <text wx:if="{{count>=max}}" class="num">{{count - 1}}+</text>
        <text wx:else>{{count}}</text>
      </van-tag> -->
    </view>
</view>