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

<?php
namespace app\common\validate;

use think\Db;
use think\Validate;

class TemperatureDevice extends Validate{

    protected $rule = [
        'snaddr|设备码'  =>  'require|checkUnique',
        'dev_name|设备名称'  =>  'require|length:1,30',
    ];

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

        return $ret?'设备码已存在':true;
    }

}