vue+laravel使用微信Natvite支付

/**     * 微信二维码预支付     * @param string $total 价格     * @param string $outTradeNo 商户订单号     * @param int $duration 二维码有效时长 单位:秒     * @return array 返回二维码链接     */    public static function wxNativePrePay(string $total, string $outTradeNo, $duration = 180)    {        try {            $config = Common::get_platform_payInfo();            $time = time();            $time_expire = $time + $duration;            $rfc3339_time = date(DATE_RFC3339, $time_expire);            $total = intval(bcmul($total, 100));            $payInfo = [                'out_trade_no' => $outTradeNo,                'appid' => $config['appId'],                'description' => '支付维修费用',                'total' => $total,                'time_expire' => (string)$rfc3339_time,            ];            $instance = Common::wxPayObj();            $resp = $instance                ->chain('v3/pay/transactions/native')                ->post(['json' => [                    'mchid' => $config['merchantId'],                    'out_trade_no' => $payInfo['out_trade_no'],                    'time_expire' => $payInfo['time_expire'],                    'appid' => $config['appId'],                    'description' => $payInfo['description'],                    'notify_url' => $config['notify_url'],                    'amount' => [                        'total' => $payInfo['total'],                        'currency' => 'CNY'                    ],                ]]);            $data = [];            $data['code'] = (int)$resp->getStatusCode();            $data['body'] = $resp->getBody();            return $data;        } catch (Exception $exception) {            if ($exception instanceof RequestException && $exception->hasResponse()) {                $message = "错误回复：" + $exception->getResponse() + "错误码:" + $exception->getResponse()->getStatusCode();                +"错误原因" + $exception->getResponse()->getReasonPhrase();                Log::info($message);            }            return [];        }    }

public static function  get_platform_payInfo() {        $data['merchantPrivateKeyFilePath'] = env('MERCHANT_FILE_PATH');        $data['platformCertificateFilePath'] = env('PLATFORM_FILE_PATH');        $data['merchantId'] = env('WX_MERCHANT_ID');        $data['merchantCertificateSerial'] = env('CERTIFICATE_SERIAL');        $data['appId'] = env('WX_APP_ID');        $data['appSecret'] = env('WX_APP_SECRET');        $data['notify_url'] = env('WX_NOTIFY_URL');        $data['api_key'] = env('WX_API_KEY');        return $data;    }    public static function wxPayObj()    {        try {           $payInfo = self::get_platform_payInfo();            // 从本地文件中加载「商户API私钥」，「商户API私钥」会用来生成请求的签名            $merchantPrivateKeyInstance = Rsa::from($payInfo['merchantPrivateKeyFilePath'], Rsa::KEY_TYPE_PRIVATE);            // 从本地文件中加载「微信支付平台证书」，用来验证微信支付应答的签名            $platformPublicKeyInstance = Rsa::from($payInfo['platformCertificateFilePath'], Rsa::KEY_TYPE_PUBLIC);            // 从「微信支付平台证书」中获取「证书序列号」            $platformCertificateSerial = PemUtil::parseCertificateSerialNo($payInfo['platformCertificateFilePath']);            // 构造一个 APIv3 客户端实例            $instance = Builder::factory([                'mchid'      => $payInfo['merchantId'],                'serial'     => $payInfo['merchantCertificateSerial'],                'privateKey' => $merchantPrivateKeyInstance,                'certs'      => [                    $platformCertificateSerial => $platformPublicKeyInstance,                ],            ]);            return $instance;        } catch (Exception $e) {            Log::info("返回微信支付对象失败", $e);            return false;        }    }