mp-weixin-2811-xcx.aigc-quickapp.com/components/pick-regions/pick-regions.wxml

<view class="pick-regions data-v-1f20d2d5"><picker mode="multiSelector" value="{{multiIndex}}" range="{{multiArray}}" data-event-opts="{{[['change',[['handleValueChange',['$event']]]],['columnchange',[['handleColumnChange',['$event']]]]]}}" bindchange="__e" bindcolumnchange="__e" class="data-v-1f20d2d5"><slot></slot></picker></view>