Controller.php

<?php

namespace App\Http\Controllers;

use Laravel\Lumen\Routing\Controller as BaseController;

class Controller extends BaseController
{
    //
    const DEFAULT_PAGE_SIZE = 10;
    const DEFAULT_PAGE = 1;

    public function Export( $Errcode=0,$ErrMsg='', $dataArr=[]) {
        if(!empty($dataArr) && !is_array($dataArr)) {
            $Errcode = -1;
            $ErrMsg  = '系统错误';
        }

        $data=['errcode'=>$Errcode, 'errmsg'=>$ErrMsg];
        if(($data['errcode'] < 10000 || $data['errcode'] >= 50000) && $data['errcode'] !==0 )//非正常返回码，上报
            ErrorLog($Errcode,$ErrMsg);

        if(!empty($dataArr)) foreach ($dataArr as $k=>$v) $data[$k]=$v;
        return json_encode($data);
    }

}