config-service/app/Repositories/BannerRepository.php

<?php
namespace App\Repositories;
use App\Models\Banner;
/**
 * Created by PhpStorm.
 * User: durong
 * Date: 2019/6/15
 * Time: 下午5:39
 */

class BannerRepository
{
    public function __construct(Banner $banner)
    {
        $this->banner = $banner;
    }

    public function bannerData($request)
    {
        $where = [];
        $ids = explode(",", $request['ids']);
        $bannerLists = $this->banner
            ->where($where)
            ->get();
        $banner_data =  [];
        foreach ($ids as $v){
            foreach ($bannerLists as $value){
                if($v == $value['id']){
                    $banner_data[] = $value;
                }
            }
        }
        return $banner_data;
    }

}