public function listByPage($page, $order = array(), $conditions = null, $per_page = 20)
{
$page_option = array('curr_page' => max(1, intval($page)), 'total' => $this->count($conditions), 'per_page' => $per_page);
FPager::build($page_option);
$start = $page_option['start'];
$limit = $page_option['per_page'];
$results = $this->findAll($conditions, array(), array('*'), $start, $limit, $order);
return array('data' => $results, 'page_option' => $page_option);
}
