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

<?php
namespace app\common\validate;

use think\Db;
use think\Validate;

class DinnerCate extends Validate{

    protected $rule = [
        'title|名称'  =>  'require|checkUnique',
        'start|售卖开始时间'  =>  'require',
        'end|售卖结束时间'  =>  'require',
        'show_start|展示开始时间'  =>  'require',
        'show_end|展示结束时间'  =>  'require',
    ];

    protected $message = [

    ];

    protected $scene = [

    ];

    protected function checkUnique($value,$rule,$data=[])
    {
        $info = Db::name('dinner_cate')->where('title',$value)->where('del',0)->find();
        if($data['id'] <= 0 && $info){
            return '名称已被使用';
        }
        if($info && $data['id'] > 0 && $info['id'] != $data['id']){
            return '名称已被使用';
        }
        return true;
    }

}