fastadmin_tailored/application/admin/model/lottery/Statistics.php

<?php

namespace app\admin\model\lottery;

use think\Model;

class Statistics extends Model
{
    // 表名
    protected $name = 'shop_lottery_statistics';
    
    // 自动写入时间戳字段
    protected $autoWriteTimestamp = 'integer';

    // 定义时间戳字段名
    protected $createTime = 'createtime';
    protected $updateTime = 'updatetime';

    // 追加属性
    protected $append = [
        'stat_date_text'
    ];

    // 获取器
    public function getStatDateTextAttr($value, $data)
    {
        $value = $value ? $value : (isset($data['stat_date']) ? $data['stat_date'] : '');
        return $value;
    }

    // 关联关系
    public function activity()
    {
        return $this->belongsTo('Activity', 'activity_id', 'id');
    }
}