classroom-music-activation/miniprogram/common-components/w-area/index.wxml

<van-popup round="{{true}}" lock-scroll="{{true}}" z-index="{{zIndex}}" show="{{innerShow}}" position="bottom" safe-area-inset-bottom="{{false}}" bind:close="onClose" bind:after-leave="onAfterLeave" bind:before-enter="onBeforeEnter">
  <van-area wx:if="{{ !showAfterLeave }}" id='area1' areaList="{{areaList}}" visible-item-count="{{ visibleItemCount }}" item-height="{{ itemHeight }}" value="{{  regionCode || cityCode }}" bind:cancel="onClose" bind:confirm="submitArea" />
</van-popup>