mingde-bd/application/common/validate/ScreenModule.php

<?php
namespace app\common\validate;

use think\Validate;

class ScreenModule extends Validate{

    protected $rule = [
        'title|名称'  =>  'require|length:1,30',
        'name|标识'  =>  'require|length:1,50|unique:screen_module',
//        'img|封面图'  =>  'require',
    ];


}