只需在include aglibchannel.lib.php      找到下面玄色代码,参加下面白色代码 description,便可   地位在78行    if($type==&＃39;top&＃39;)     {         $sql = "SELECT id,typename,description,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath           From `dede_arctype` WHERE reid=0 And ishidden<>1 order by sortrank asc limit 0, $line ";     }     else if($type==&＃39;son&＃39;)     {         if($typeid==0) return &＃39;&＃39;;         $sql = "SELECT id,typename,description,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath           From `dede_arctype` WHERE reid=&＃39;$typeid&＃39; And ishidden<>1 order by sortrank asc limit 0, $line ";     }     else if($type==&＃39;self&＃39;)     {         if($reid==0) return &＃39;&＃39;;         $sql = "SELECT id,typename,description,typedir,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath             FROM `dede_arctype` WHERE reid=&＃39;$reid&＃39; And ishidden<>1 order by sortrank asc limit 0, $line ";     }

然后便可挪用：
例如：
{dede:channel type=&＃39;son&＃39; typeid=&＃39;21&＃39;}
<p>[field:description/]</p>
{/dede:channel}

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