/** * 获取直辖市下子区域信息 */ public function getCharteredCities() { $mDistrict = new District(); $result = $mDistrict->getByUpid(['2', '19', '792', '2238']); if ($result && is_array($result)) { foreach ($result as $key => $value) { $arr[] = $value['id']; } } return $arr; }