织梦CMS统计当前栏目下子栏目数量的实现方法

{dede:field.typeid runphp='yes'}
$id = @me;
global $dsql;
$sql="select COUNT(id) as num from dede_arctype WHERE reid=$id";
$row=$dsql->GetOne($sql);
@me= $row['num'];
{/dede:field.typeid}

$row=$dsql->GetOne($sql);   //在这里等于
$query=mysql_query($sql);
$row=mysql_fetch_array($query);