wanyue_yunying_backend/app/admin/validate/index/ConfigValidate.php

<?php
namespace app\admin\validate\index;

use think\Validate;

class ConfigValidate extends Validate
{
    //定义规则
    protected $rule =   [
        'classify_name' => 'require',
        'classify_key'  => 'require',
        'classify_id'   => 'require',
    ];

    //定义描述
    protected $message  =   [
        'classify_name.require' => '分类名称不能为空',
        'classify_key.require'  => '分类键名不能为空',
        'classify_id.require'   => '分类编号不能为空'
    ];

    //定义场景
    protected $scene = [
        'add' => ['classify_name','classify_key'],
        'up' => ['classify_name','classify_key', 'classify_id'],
        'del_up' => ['classify_id'],
    ];
}