weixin/miniprogram_npm/lin-ui/checkbox/index.wxml

<view mut-bind:lintap="onCheckboxChangeTap" mut-bind:tap="onCheckboxChangeTap" class="label label-{{placement}} label-placement-{{parentPlacement}} {{disabled ? 'label-disabled l-disabled-class' : 'l-class'}}">
        <view class="checkbox-{{placement}} l-icon-class" style="color:{{checked ? selectColor : (disabled ? disabledColor : color)}};font-size: {{size}}">
            <slot wx:if="{{custom}}" name="icon"/>
            <view wx:else class="iconfont {{checked? 'icon-select': 'icon-unselect'}}"></view>
        </view>
        <slot/>
</view>