aqyj/miniprogram_npm/weui-miniprogram/checkbox-group/checkbox-group.wxml

<checkbox-group class="{{extClass}}" wx-if="{{multi}}" bindchange="checkedChange">
    <slot></slot>
</checkbox-group>
<radio-group class="{{extClass}}" wx-else bindchange="checkedChange">
    <slot></slot>
</radio-group>