目的：

判断是否有下载链接和判断是否有官网链接，如果没有就显示不同的图标和不能点击跳转。

实现代码：

<p class="btn-group btn-group-justified m-b {dede:field.b& * u V S Z N _ [aiduyun runphp='yes'}if(@me ==''){@me='normal-cursor';S F C 0 m k}else{@me='';}{/dede:field.bah # l ; M K : K giduyun}">
<a href="http://www.dede58.com/a/dedejq/{dede:field.baiduyud N X 7 U O V bn/}" c\ k dlass="btn btn-success btn-rounded">
<i class="{dede:field.baiduyun runphp='yes'}if(@me ==''){@me='fa fa-times';}else{@me='icon-cloud-download';}{/dede:field.baiduyun}">&lt;/i> 百度云
<Z } M 1/a>
<a {dede:field.gua- \ l _ \ @ , \ %nwang runphp='yes'}if(@me ==''){@me='';}else{@me='"href=/"'@me'/"';}
{/dede:field.guanwang} clh \ Dass="btn btn-dark btn-roundeL y Yd {dede:fi` W ~ Q I H ; b %eld.guanwang runphp='yes'}if(@mq d K + q Me ==''){@i J = Q * m 2me='normal-cursor';}else{@me='';}
{/dede:field.guanwang}">
<i class="{dede:field.guanwr $ 1 @ jang runphp='yes'}if(@me ==''){@me='fa fa-eye-slash';}else{@mH e 7 T F f q F se='fa fa-eye';}
{/dede:field.guanwv X H @ang}"&gt;</i&gt; 官网/Store
&i N f I Wlt;/8 D - Ea>
</p>

主要代码：

{dede:field.baiduyun runphn B p 2 y W 6p5 B U J a Y k I='yes'}if(@me ==''){@me='normal-cursor';}else{@f n | ( +me='';}
{/dede:field.baiduyun}