dedecms文章列表模板上加上序号效果

{dede:arclist orderby=pubdate type=’commend.’ titlelen=’26′ row=’10′ channel=3}
<LI>[field:global runphp='yes' name=autoindex]
$a="<SPAN class=’num active’>";
$b="</SPAN>";
$c="<SPAN class=’num’>";
if (@me > 3) @me = $c.@me.$b;
else @me = $a.@me.$b;
[/field:global] <SPAN class=tit><A title="[field:title/]"
href="[field:filename/]">[field:title/]</A></SPAN></LI>
{/dede:arclist}