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

<?php

namespace app\common\validate;

use think\Db;
use think\Validate;

class ShopDay extends Validate
{
    /**
     * 定义验证规则
     * 格式：'字段名' =>  ['规则1','规则2'...]
     *
     * @var array
     */
    protected $rule = [
        'day|排餐日期'  =>  'require',
        'cate|排餐类型'  =>  'require|checkCate',
        'goods|商品'  =>  'require',
        'start|时间段'  =>  'require',
        'end|时间段'  =>  'require',
    ];

    /**
     * 定义错误信息
     * 格式：'字段名.规则名' =>  '错误信息'
     *
     * @var array
     */
    protected $message = [
        'start.require'=>'未选择时间',
        'end.require'=>'未选择时间',
    ];

    protected function checkCate($value, $rule, $data=[]){
        if(isset($data['id']) && $data['id'] > 0){
            $ret = Db::name('shop_day')
                ->where('day',$data['day'])
                ->where('cate',$data['cate'])
                ->where('org_id',$data['org_id'])
                ->where('id','<>',$data['id'])
                ->find();
        }else{
            $ret = Db::name('shop_day')
                ->where('day',$data['day'])
                ->where('cate',$data['cate'])
                ->where('org_id',$data['org_id'])
                ->find();
        }

        return $ret?'同一日期同一类型不能重复':true;
    }
}