payment/app/Helper/Efps/Api.php

<?php

namespace App\Helper\Efps;

use App\Helper\Efps\Request\UnifiedPaymentRequest;
use App\Helper\StringHelper;

class Api extends AbstractApi
{
    public static function unifiedPayment($outTradeNo, $orderInfo, $payAmount, $notifyUrl, $redirectUrl)
    {
        $request = new UnifiedPaymentRequest();
        $request->setVersion('3.0');
        $request->setOutTradeNo($outTradeNo);
        $request->setOrderInfo($orderInfo);
        $request->setPayAmount($payAmount);
        $request->setNotifyUrl($notifyUrl);
        $request->setRedirectUrl($redirectUrl);
        $request->setTransactionStartTime(date('YmdHis'));
        $request->setAreaInfo([]);
        $request->setNonceStr(StringHelper::getRandomString(32));
        return self::request($request);
    }
}