dede表前缀不定时，查询表#@__archives

 $query = "SELECT arc.*,tp.typedir,tp.typename,
              tp.isdefault,tp.defaultname,tp.namerule,tp.namerule2,tp.ispart,tp.moresite,tp.siteurl,tp.sitepath
          FROM `#@__archives` arc LEFT JOIN `#@__arctype` tp ON tp.id=arc.typeid
          WHERE arc.id in($ids) ORDER BY arc.{$order} $orderway ";