<?php

namespace app\modules\car\models;

use Yii;

/**
 * This is the model class for table "{{%f_stats_cost_hkm}}".
 *
 * @property int $id 序号
 * @property int $car_id 外键关联f_car_infor(car_id)
 * @property float|null $opt_cost_hkm 百公里运行费
 * @property float|null $sum_costs_per_km 百公里费用
 * @property int|null $year 年
 * @property int|null $month 月
 */
class FStatsCostHkm extends \app\common\models\EActiveRecord
{
    /**
     * {@inheritdoc}
     */
    public static function tableName()
    {
        return '{{%f_stats_cost_hkm}}';
    }

    /**
     * {@inheritdoc}
     */
    public function rules()
    {
        return [
            [['car_id'], 'required'],
            [['car_id', 'year', 'month'], 'integer'],
            [['opt_cost_hkm', 'sum_costs_per_km'], 'number'],
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function attributeLabels()
    {
        return [
            'id' => '序号',
            'car_id' => '外键关联f_car_infor(car_id)',
            'opt_cost_hkm' => '百公里运行费',
            'sum_costs_per_km' => '百公里费用',
            'year' => '年',
            'month' => '月',
        ];
    }
    public function getCarinfo()
    {
        return FCarInfo::find()->where("car_id=$this->car_id")->limit(1)->one();
    }
}