xzy/pages/product/common/freshDetail.wxml

<view class="c-list" wx:if="{{goodsObjact.net_quantity||goodsObjact.storage_condition||goodsObjact.expiration_date}}">
    <view class="c-row title b-b">规格</view>
    <view class="c-row b-b" wx:if="{{goodsObjact.net_quantity}}">
        <text class="tit">净含量</text>
        <text class="con t-r">{{goodsObjact.net_quantity}}</text>
    </view>
    <view class="c-row b-b" wx:if="{{goodsObjact.storage_condition}}">
        <text class="tit">保存条件</text>
        <text class="con t-r">{{goodsObjact.storage_condition}}</text>
    </view>
    <view class="c-row b-b" wx:if="{{goodsObjact.expiration_date}}">
        <text class="tit">保质期</text>
        <text class="con t-r">{{goodsObjact.expiration_date}}</text>
    </view>
</view>