根据下级栏目获得顶级栏目名称的SQL语句

{dede:field.typeid runphp='yes'} $ID = @me; global $dsql; $sql = "SELECT * FROM `dede_arctype` WHERE id=$ID"; $dsql->Execute('a', $sql); $row = $dsql->GetArray('a'); $relID = "$row[reid]"; if($relID == 0) { @me = $row[typename]; } else{ $sql = "SELECT `typename` FROM `dede_arctype` WHERE id=$relID"; $dsql->Execute('t', $sql); $row = $dsql->GetArray('t');   @me = $row[typename]; } {/dede:field.typeid}