织梦Dedecms首页调用文章评论数

//调用单篇文章评论数

function cnum($id)
{
global $dsql;
$row = $dsql->GetOne("Select count(id) as c from dede_feedback where aid='$id'");
$num=$row['c'];
if($num==0)$num=' 0';
return $num;
}