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

<view class="l-form-container-class">
    <slot/>
</view>
<view class="l-form-btn-class">
    <slot name="submit-front"/>
    <view class="l-form-submit-class" capture-bind:tap="submit">
        <slot name="submit"/>
    </view>
    <slot name="reset-front"/>
    <view class="l-form-reset-class" capture-bind:tap="reset">
        <slot name="reset"/>
    </view>
    <slot name="reset-behind"/>
</view>