laravel 监听mysql操作 生成时间

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model as EloquentModel;

class Model extends EloquentModel
{
    public $timestamps = false;

    public static function boot()
    {
        parent::boot();

        static::creating(function ($model) {
            $model->created_at = now()->timestamp;
        });

        static::updating(function ($model) {
            $model->updated_at = now()->timestamp;
        });
    }
}