screen/application/common/service/OrderPayService.php

<?php
namespace app\common\service;

use addons\epay\library\Service;
use app\common\model\Orders;
use app\common\model\Payment;
use fast\Arr;
use think\App;

class OrderPayService{
    /** @var Payment */
    protected $payment;
    /** @var string */
    protected $body;
    protected $expire=null;
    public static $methods=[
        Orders::PT_QYWY=>'companyBank',
        Orders::PT_WX=>'wechat',
        Orders::PT_ZFB=>'alipay',
        Orders::PT_YL=>'bankUnion',
        Orders::PT_DF=>'otherUser',
        Orders::PT_OFF=>'offline',
    ];

    /**
     * @param null $expire
     */
    public function setExpire($expire): void
    {
        $this->expire = $expire;
    }
    /**
     * @param Payment $payment
     */
    public function setPayment(Payment $payment): void
    {
        $this->payment = $payment;
    }

    /**
     * @param string $body
     */
    public function setBody(string $body): void
    {
        $this->body = $body;
    }

    /**
     * @return string
     */
    public function getBody(): string
    {
        return $this->body;
    }
    /**
     * @return mixed
     */
    public function getAmount($unit='y')
    {
        return moneyFormat($this->payment->amount,$unit);
    }

   public function companyBank(){}
   public function wechat(){
        $payData=Service::submitOrder(
            $this->getAmount('f'),
            $this->payment->order_no,
            'wechat',
            $this->getBody(),
            $this->notifyUrl(),
            $this->returnUrl(),
            'scan',
            '',
            $this->expire,
        );

        $str=$payData['code_url'];
        return [
            'qr'=>makeQrcode($str),
        ];
   }
   public function notifyUrl(){
        return request()->root(true)."/index/payment/notify/order_no/".$this->payment->order_no;
   }
    public function returnUrl(){
        return request()->root(true);
    }
   public function alipay(){
       $payData=Service::submitOrder(
           $this->getAmount(),
           $this->payment->order_no,
           'alipay',
           $this->getBody(),
           $this->notifyUrl(),
           $this->returnUrl(),
           'scan',
           '',
           $this->expire,
       );

       $str=$payData['qr_code'];
       return [
           'qr'=>makeQrcode($str),
       ];
   }
   public function bankUnion(){
        require __DIR__.'/../library/upacp_demo_b2c/demo/api_01_gateway/Form_6_2_FrontConsume.php';
        $html=ylUnifyOrder($this->payment->order_no,$this->getAmount('f'));
        return [
            'html'=>$html
        ];
   }
   public function otherUser(){}
   public function offline(){}
   public function pay(){
        $method=Arr::get(self::$methods,$this->payment->pay_type);
        return App::invokeMethod([$this,$method]);
   }
}