order_info = $info; } public function pd_amount() { return $this->order_info['pd_amount']; } static public function create_by_sn($order_sn) { $mod_order = Model('order'); $info = $mod_order->getOrderInfo(array('order_sn' => $order_sn)); if(empty($info)) { return false; } else { return new order($info); } } static public function create_by_id($order_id) { $mod_order = Model('order'); $info = $mod_order->getOrderInfo(array('order_sn' => $order_id)); if(empty($info)) { return false; } else { return new order($info); } } }