video_server/app/Model/Mongo/RepairOrderHistoryModel.php

<?php

declare (strict_types=1);

namespace App\Model\Mongo;

use Hyperf\Mongodb\Mongodb;
use Hyperf\Utils\ApplicationContext;
use MongoDB\Client;

/**
 * Class RepairOrderHistoryModel
 * @return Client|RepairOrderHistoryModel
 *
 * @package App\Model\Mongo
 */
class RepairOrderHistoryModel extends Mongodb
{
    protected $collectionName = 'repair_order_history';    // mongoDB 表名

    public function db()
    {
        $container = ApplicationContext::getContainer();
        /**
         * @var $mongodb Client
         */
        $mongodb   = $container->get(self::class);

        return $mongodb->selectDatabase(env('MONGODB_DB'))
            ->selectCollection($this->collectionName);
    }
}