dedecms 调用三级栏目下文章的内容（不固定id）

{dede:channelartlist type='reid' }

{dede:arclist titlelen='42' row='2' flag="i" isweight="Y" orderby='weight'}

<div class="con"> <a href="[field:arcurl /]"> <img src="[field:litpic/]" > <em>患者：[field:shorttitle/]</em> <span>疾病：[field:keywords/]</span>

<p>病情描述：[field:description function="cn_substr(@me,24)"/]...<font>【阅读全文】</font></p>

</a>

</div>

{/dede:arclist}

{/dede:channelartlist}

找到\include\taglib\channelartlist.lib.php