neiyou_user_web/app/Http/Controllers/Gateway/Zypay.php

<?php

namespace App\Http\Controllers\Gateway;

use App\Models\Payment;
use Auth;


use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Response;
use Http;
use Log;

class Zypay 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;
//        }

//        Log::info("[河马支付]请求金额". var_export($payment->amount, true));
//        Log::info("[河马支付]格式化金额". var_export(number_format($payment->amount,2,'.',''), true));
        $key = "ef32cf2c4b1a352b7340a2465a563cdc9daaf3af";
        $data = [
            'version' => '1.0',
            'customerid' => "11635",
            'sdorderno' => $payment->trade_no,
            'total_fee' => number_format($payment->amount,2,'.',''),
            'notifyurl' => route('payment.notify', ['method' => 'zpay']),
            'returnurl' => route('invoice'),
            'paytype' => 'alipay',
            'bankcode' => '',
            'remark' => '测试',
            'get_code' => 1,

        ];
        #ksort($data);


        // 构建签名字符串
        $signStr = 'version=' . $data["version"] .
            '&customerid=' . $data["customerid"] .
            '&total_fee=' . $data["total_fee"] .
            '&sdorderno=' . $data["sdorderno"] .
            '&notifyurl=' . $data["notifyurl"] .
            '&returnurl=' . $data["returnurl"] .
            '&' . $key;

        Log::info("[河马支付]原始构建签名字符串". var_export($data, true));
        Log::info("[河马支付]构建签名字符串". var_export($signStr, true));
        // 计算签名
        $data['sign'] = md5($signStr);


        Log::info("[河马支付]构建参数". var_export($data, true));

        $response = Http::get('http://pay.mssdk.com/apisubmit', $data);
        if ($response->ok()) {

            $result = $response->json();
            Log::error('【河马支付】 返回错误信息：'.var_export($result, true));
            if ($result['status'] === 1) {
                return Response::json(['status' => 'success', 'url' => $result['page_url'], 'message' => '创建订单成功!']);
            }
        }

        return Response::json(['status' => 'fail', 'message' => '创建在线订单失败，请工单通知管理员！']);
    }

    public function notify(Request $request): void
    {
        if ($this->verifySign($request->post())){
            exit('SIGN FAIL');
        }
        if ($request->has(['sdorderno']) && $this->paymentReceived($request->input(['sdorderno']))  ) {
            $this->addPamentCallback($request->input('sdorderno'),$request->input('sdpayno'),"");
            Log::info('【河马支付】paymentReceived：'.var_export($request->all(), true));
            exit(json_encode(['status' => 200]));
        }
    }

    function verifySign($params)
    {
        $key = "ef32cf2c4b1a352b7340a2465a563cdc9daaf3af";
        $sign = $params['sign'];
        $data = [
            'customerid' => $params['customerid'],
            'status' => $params['status'],
            'sdpayno' => $params['sdpayno'],
            'sdorderno' => $params['sdorderno'],
            'total_fee' => $params['total_fee'],
            'paytype' => $params['paytype'],
        ];
        // 构建签名字符串
        $signStr = 'customerid=' . $params["customerid"] .
            '&status=' . $params["status"] .
            '&sdpayno=' . $params["sdpayno"] .
            '&sdorderno=' . $params["sdorderno"] .
            '&total_fee=' . $params["total_fee"] .
            '&paytype=' . $params["paytype"] .
            '&' . $key;

        //$str = http_build_query($data) . '&' . $key;
        if ($sign !== md5($signStr)) {
            return false;
        }
        return true;
    }
}