lianjie_admin/app/Admin/Repositories/CouponTie.php

<?php
namespace App\Admin\Repositories;

use Dcat\Admin\Grid;
use Dcat\Admin\Repositories\Repository;
use Illuminate\Pagination\LengthAwarePaginator;
use SimpleSSDB;

class CouponTie extends Repository{

    public function getPrimaryKeyColumn()
    {
        return '_id';
    }

    public function get(Grid\Model $model)
    {
        $host = env('SSDB_HOST');
        $port = env('SSDB_PORT');
        try{
            $ssdb = new SimpleSSDB($host, $port);
            $ssdb->auth(env('SSDB_AUTH'));
        }catch(\Exception $e){
            dd($e);
        }

        $activity = $ssdb->get('coupon_rebate_activity');
        $forward = $ssdb->hgetall('coupon_rebate_forward_'.$activity);
        $forward = is_array($forward) ? implode(' , ',$forward) : $forward ; 
        $repay = $ssdb->get('coupon_rebate_repay_'.$activity);

        return $model->makePaginator(
            1,
            [
                [
                    'id'=>1,
                    'activity'=>$activity,
                    'forward'=>$forward,
                    'repay' => $repay
                ],
            ],
        );
    }

}