/**
* @param $province String 对应数据表的province_cn
* @param $city String 对应数据表的district_cn
* @param $district String 对应数据表的name_cn
* @return array|null|\yii\db\ActiveRecord
*/
public function getAreaIdFromAreaName($province, $city, $district)
{
$result = SmartWeatherLocation::find()->where(["province_cn" => $province, "district_cn" => $city, "name_cn" => $district])->asArray()->one();
return $result;
}
