lanzu_api_2021-12-26/app/Service/WxRefundService.php

<?php

namespace App\Service;

use App\Model\OrderMain;
use EasyWeChat\Factory;
use Hyperf\DbConnection\Db;
use App\Constants\ErrorCode;

class WxRefundService implements WxRefundServiceInterface
{
    /**
     * 微信支付退款
     */
    public function wxPayRefund($global_order_id)
    {
        $config = config('wxpay');
        $app = Factory::payment($config);
        $app['guzzle_handler'] = CoroutineHandler::class;

        // 查询订单
        $orderMain = OrderMain::query()
                ->select('id','global_order_id','order_num','money','state')
                ->where('global_order_id',$global_order_id)
                ->where('pay_type',OrderMain::ORDER_PAY_WX)
                ->where(Db::raw('refund_time is null'))
                ->first();
        if(empty($orderMain)){
            return false;
        };
        $result = $app->refund->byOutTradeNumber(
            $orderMain->global_order_id, 
            $orderMain->global_order_id, 
            $orderMain->money * 100, 
            $orderMain->money * 100
        );

        return $result;
    }

}