finecarmini/pages/buy/pricespace.wxml

<view 
  class="price_c"
  style="height: {{selectbar=='price'?windowh:'0'}}rpx;"
>
  <view class="price_list">
    <view 
        class="price_item {{searchdata.price == ''?'price_item_active':''}}" 
        data-id=""
        bindtap="changePrice"
      >
        不限价格
      </view>
    <block wx:for="{{wheres.price}}" wx:key="price_id">
      <view 
        class="price_item {{searchdata.price == item.price_id?'price_item_active':''}}" 
        data-id="{{item.price_id}}"
        bindtap="changePrice"
      >
        {{item.price_name}}
      </view>
    </block>
  </view>
</view>