jya-oa-api/application/common/validate/Approval.php

<?php
namespace app\common\validate;

use think\Db;
use think\Validate;

class Approval extends Validate{

    protected $rule = [
        'title|审批名称'  =>  'require|length:1,15',
        'icon'  =>  'require',
    ];

    protected $message = [
        'title.length' => '审批名称必须15字以内',
        'icon.require' => '未选择图标',
    ];

    protected $scene = [

    ];

}