{if isset($eyou.field.videoyoutube) && !empty($eyou.field.videoyoutube)}
<div class="layui-colla-item" id="videoSection">
<h2 class="layui-colla-title product_title_n">Video</h2>
<div class="layui-colla-content layui-show">
<div class="iframe-container">{$eyou.field.videoyoutube}</div>
</div>
</div>
{elseif isset($eyou.field.lanmushiping) && !empty($eyou.field.lanmushiping)}
<div class="layui-colla-item" id="videoSection">
<h2 class="layui-colla-title product_title_n">Video</h2>
<div class="layui-colla-content layui-show">
<div class="iframe-container">{$eyou.field.lanmushiping}</div>
</div>
</div>
{else}
{/if}解釋說明：
欄目視頻：
$eyou.field.lanmushiping
產(chǎn)品內(nèi)頁視頻：
$eyou.field.videoyoutube
當(dāng)欄目頁和產(chǎn)品頁都有視頻，優(yōu)先選擇 產(chǎn)品內(nèi)頁視頻，都沒有視頻時(shí)候，內(nèi)容空！
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不知道還有沒有更簡單的寫法？？就能實(shí)現(xiàn)這樣的功能?