bjtu_order/bjtu_app/dist/sticky-item/index.wxml

<view class="wux-class {{ classes.wrap }}">
    <view class="{{ classes.hd }}">
        <view class="{{ classes.title }}" wx:if="{{ title }}">
            {{ title }}
        </view>
        <view class="{{ classes.title }}" wx:else>
            <slot name="title"></slot>
        </view>
    </view>
    <view class="{{ classes.bd }}">
        <view class="{{ classes.content }}" wx:if="{{ content }}">
            {{ content }}
        </view>
        <view class="{{ classes.content }}" wx:else>
            <slot name="content"></slot>
        </view>
    </view>
</view>