dede织梦图集列表页图集内容页调用图片数量的方法

{dede:list pagesize='12'}
<li>
<a href=[field:arcurl/] target=_blank><img src=[field:litpic/] alt="[field:title/]" width=40 height=40 border=0></a><br>
<a href=[field:arcurl/] target=_blank>[field:title/]</a><br>共[field:id  function="Getimgnum(@me)"/]张
</li>
{/dede:list}

function Getimgnum($aid)
{
global $dsql;
$imgurls = '';
$row =$dsql->getone( "Select imgurls From `dede_addonimages` where aid='$aid' ");
$imgurls= $row['imgurls'];
preg_match_all("/{dede:img (.*){\/dede:img/isU",$imgurls,$wordcount);
$count=count($wordcount[1]);
return $count;
}

{dede:sql sql="select count(*) as c from dede_archives where channel=2"}
共有图集：[field:c /]个
{/dede:sql}