lw_test/app/common/model/PreviousModel.php

<?php

namespace app\common\model;

class PreviousModel extends BaseModel
{
    // 设置表名
    protected $name = 'previous';

    //自动完成
    protected $autoWriteTimestamp = true;

    // 常量
    const STATUS = [1 => '显示', 2 => '隐藏'];
    const MONTH  = [1 => '一月', 2 => '二月', 3 => '三月', 4 => '四月', 5 => '五月', 6 => '六月', 7 => '七月', 8 => '八月', 9 => '九月', 10 => '十月', 11 => '十一月', 12 => '十二月'];

    const STATUS_SHOW = 1;
    const STATUS_HIDE = 2;

    public function getStatusTextAttr($value, $data)
    {
        return self::STATUS[$data['status']];
    }

    public function getMonthTextAttr($value, $data)
    {
        return self::MONTH[$data['month']];
    }

    public function previousYear()
    {
        return $this->hasOne(PreviousYearModel::class, 'id', 'year_id');
    }
}