//MySQL 語句SELECT * FROM `MyTable`WHERE `id` IN (11,1,111) ORDER BY FIELD(`id`, 11,1,111); 

$ids = array(1,17,2);

$ids_ordered = implode(',', $itemIds);

$items = static::whereIn('id', $ids)->orderByRaw(DB::raw("FIELD(id, $ids_ordered)"))->get();