building_tx_mini_wx_rebuild/components/area-picker/index.wxml

<!--components/area-picker/index.wxml-->
<picker
class="picker-box"
  mode="multiSelector"
  value="{{valueIndex}}"
  range="{{addressList}}"
  range-key="name"
  bindcolumnchange="changeColumn"
  bindchange="changeValue"
	
>
  <view class="{{result_show?'picker1':'picker2'}}">{{result_show?result_show:'请选择'}}<van-icon class="icon" name="arrow" /></view>
</picker>