maintenance/application/admin/controller/Screen.php

<?php
namespace app\admin\controller;
use app\common\controller\Backend;
use think\Config;
use think\Db;
use think\Request;
/**
 * 数字大屏接口
 *
 * @icon fa fa-dashboard
 */

class Screen extends Backend
{
    protected $model = null;
    protected $qc_model = null;
    protected $qr_model = null;
    protected $zjfl_model = null;
    protected $layout = '';

    protected $noNeedRight = ['index'];

    public function _initialize()
    {
        parent::_initialize();
        $groupIds = $this->auth->getGroupIds();
    }

    /**
     * 数字大屏接口
     */
    public function index()
    {
        return $this->view->fetch();
    }



}