Gong-Ying-Lian-API/app/common/model/Category.php

<?php
/**
 * ----------------------------------------------------------------------------
 * 行到水穷处，坐看云起时
 * 开发软件，找贵阳云起信息科技，官网地址:https://www.56q7.com/
 * ----------------------------------------------------------------------------
 * Author: 老成
 * email：85556713@qq.com
 */
declare(strict_types=1);

namespace app\common\model;

use think\Model;

class Category extends Model{
    // 自动写入时间戳字段
    protected $autoWriteTimestamp = true;
    // 定义时间戳字段名
    protected $createTime = 'createtime';
    protected $updateTime = 'updatetime';

    protected $type = [
        'updatetime'     =>  'timestamp:Y-m-d H:i',
        'createtime'     =>  'timestamp:Y-m-d H:i',
    ];
    public static function onAfterInsert($rule)
    {
        $rule->weigh=1000-$rule->id;
        $rule->save();
    }
}