pay_center_server/app/Models/BaseModel.php

<?php

namespace App\Models;

use DateTimeInterface;
use Illuminate\Database\Eloquent\Model;

class BaseModel extends Model
{
    /**
     * 自动维护时间戳created_at和updated_at
     *
     * @var bool
     */
    public $timestamps = true;

    /**
     * 自增主键
     * @var bool
     */
    public $incrementing = true;

    /**
     * 保护字段.
     * @var string[]
     */
    protected $guarded = ['id'];

    /**
     * 定义分页尺码
     *
     * @var int
     */
    protected $perPage = 20;

    /**
     * 时间序列化修改
     *
     * @param DateTimeInterface $date
     * @return string
     */
    protected function serializeDate(DateTimeInterface $date)
    {
        return $date->format("Y-m-d H:i:s");
    }
}