<view
  class="cart-btn {{ show ? '' : 'cart-btn-hide' }}"
  style="z-index: {{ zIndex }}; right: {{ right }}rpx; bottom: {{ bottom }}rpx"
  bind:tap="goCart"
>
  <van-icon name="cart" dot="{{ dot }}" info="{{ info }}" size="{{ size }}" color="{{ color }}" />
</view>
