Customer-Service/application/admin/model/Kfonlline.php

<?php
namespace app\admin\model;

use think\Model;

/**
 * 智能问答分组模型
 */
class Kfonlline extends Model
{
    public function getOnlineAll(){
        $return = [] ;
        $ret =   $this->all();
        if ($ret){
            $return[$ret['uid']] = $ret['uid'];
        }
        return $return ;
    }

    public function  user(){
        $this->hasOne('Users','uid','id');
    }

}