beauti-nof/application/service/fast_hand/Refund.php

<?php
namespace app\service\fast_hand;
/*
 * +----------------------------------------------------------------------+
 * |                          xiegeng admin system                              |
 * +----------------------------------------------------------------------+
 * |    Administrator-13:25-2022-PhpStorm
 * +----------------------------------------------------------------------+
 * | Author: xiegeng <957723538@qq.com>                                   |
 * | FILENAME: AccessToken.php                                               |
 * +----------------------------------------------------------------------+
 */

use app\common\model\Payment;
use GuzzleHttp\Client;

class Refund{
    /** @var Payment */
    protected $payment;
    protected $body;
    protected $amount;

    /**
     * @param Payment $payment
     */
    public function setPayment(Payment $payment): void
    {
        $this->payment = $payment;
    }

    /**
     * @param mixed $body
     */
    public function setBody($body): void
    {
        $this->body = $body;
    }

    /**
     * @param mixed $amount
     */
    public function setAmount($amount): void
    {
        $this->amount = $amount;
    }

    public function get(){
        $orderNo=$this->payment['refund_no'];
        $data=[
            'out_order_no'=>$this->payment->order_no,
            'out_refund_no'=>$orderNo,
            'reason'=>$this->body,
            'notify_url'=>sprintf('%s/%s',request()->domain(),'index/payment/refund_url/type/ks/order/'.$orderNo),
            'refund_amount'=>$this->amount,
        ];

        return KsClient::post('https://open.kuaishou.com/openapi/mp/developer/epay/apply_refund',$data);
    }
}