book_admin/application/common/model/AppBookCollectDay.php

<?php

namespace app\common\model;

use think\Model;

class AppBookCollectDay extends Model
{
    protected $table = 'app_book_collect_day';

    // 自动写入时间戳字段
    protected $autoWriteTimestamp = 'int';

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

    public function __construct($data = [])
    {
        parent::__construct($data);
        if (!$this->connect) {
            $this->connect(get_db_collect($this->table));
            $this->connect = true;
        }
    }
}