ProxyPanel/app/Http/Controllers/Gateway/EPay.php

<?php

namespace App\Http\Controllers\Gateway;

use App\Models\Payment;
use Auth;
use GuzzleHttp\Client;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Response;

class EPay extends AbstractPayment
{
    public function purchase(Request $request): JsonResponse
    {
        $payment = $this->creatNewPayment(Auth::id(), $request->input('id'), $request->input('amount'));

        switch ($request->input('type')) {
            case 2:
                $type = 'qqpay';
                break;
            case 3:
                $type = 'wxpay';
                break;
            case 1:
            default:
                $type = 'alipay';
                break;
        }

        $data = [
            'pid'          => sysConfig('epay_mch_id'),
            'type'         => $type,
            'notify_url'   => (sysConfig('website_callback_url') ?: sysConfig('website_url')).'/callback/notify?method=epay',
            'return_url'   => sysConfig('website_url').'/invoices',
            'out_trade_no' => $payment->trade_no,
            'name'         => sysConfig('subject_name') ?: sysConfig('website_name'),
            'money'        => $payment->amount,
            'sign_type'    => 'MD5',
        ];
        $data['sign'] = $this->aliStyleSign($data, sysConfig('epay_key'));

        $url = sysConfig('epay_url').'submit.php?'.http_build_query($data);
        $payment->update(['url' => $url]);

        return Response::json(['status' => 'success', 'url' => $url, 'message' => '创建订单成功!']);
    }

    public function notify(Request $request): void
    {
        if ($request->input('trade_status') === 'TRADE_SUCCESS'
            && $this->verify($request->except('method'), sysConfig('epay_key'), $request->input('sign'))) {
            $payment = Payment::whereTradeNo($request->input('out_trade_no'))->first();
            if ($payment) {
                $ret = $payment->order->update(['status' => 2]);
                if ($ret) {
                    exit('SUCCESS');
                }
            }
        }
        exit('FAIL');
    }

    public function queryInfo(): JsonResponse
    {
        $request = (new Client())->get(sysConfig('epay_url').'api.php', [
            'query' => [
                'act' => 'query',
                'pid' => sysConfig('epay_mch_id'),
                'key' => sysConfig('epay_key'),
            ],
        ]);
        if ($request->getStatusCode() === 200) {
            return Response::json(['status' => 'success', 'data' => json_decode($request->getBody(), true)]);
        }

        return Response::json(['status' => 'fail', 'message' => '获取失败！请检查配置信息']);
    }
}