在dedecms文章页中获取当前栏目字段如content字段

{dede:field.typeid runphp='yes'} 
$sql = "SELECT content FROM `dede_arctype` WHERE id=@me"; 
$query = mysql_query($sql); 
$row=mysql_fetch_array($query); 
@me = $row[content]; 
{/dede:field.typeid}