表单验证 [ 2.0 版本 ]

class CarPriceSearch
{

public $price;//定义
/**
 * @inheritdoc
 */
public function rules()
{
    return [
        [['user_id', 'car_model_id','car_brand_id','car_series_id', 'sale_price', 'create_time', 'update_time','id','status'], 'integer'],
        [['price'], 'safe'],
    ];
}