evshop_api/app/common/payment/PaymentFactory.php

<?php
namespace app\common\payment;

use think\Exception;

use app\common\payment\LinePay;
use app\common\payment\EcpayCredit;
use app\common\payment\GomypayATM;
use app\common\payment\GomyPayCVS;
use app\common\payment\GomypayCredit;
use app\common\payment\EcpayCVS;
use app\common\payment\EcpayATM;
use app\common\payment\TapPayCredit;


class PaymentFactory
{
    public static function createPaymentService($serviceName) {
        switch ($serviceName) {
            case 'linepay':
                return new LinePay();
                break;
            case 'eccredit':
                return new EcpayCredit();
                break;
            case 'gmpatm':
                return new GomypayATM();
                break;
            case 'gmpcvs':
                return new GomyPayCVS();
                break;
            case 'gmpcredit':
                return new GomypayCredit();
                break;
            case 'eccvs':
                return new EcpayCVS();
                break;
            case 'ecatm':
                return new EcpayATM();
                break;    
            case 'tpcredit':
                return new TapPayCredit();
                break;    
            default:
                throw new Exception("Unsupported payment service: $serviceName");
        }
    }
}