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

<?php
namespace app\common\validate;

use think\Db;
use think\Validate;

class SalaryApply extends Validate{

    protected $rule = [
        'type|分类'  =>  'require|in:1,2,3,4,5,6,7,8,9',
        'title|名称' => 'require',
        'userids' => 'require|checkUser',
        'cate|类型'  =>  'require|in:1,2,3,4,5',
    ];

    protected $message = [
        'userids.require' => '未选择审核人员',
    ];

    protected $scene = [

    ];

    protected  function checkUser($value,$rule,$data=[]){
        $users = explode(',',$value);
        $arr = [];
        foreach ($users as $v){
            if($v){
                $arr[] = $v;
            }
        }
        if(!$arr){
            return '未选择审核人员';
        }
        return true;
    }

}