screen/application/common/service/Jdpay.php

<?php
namespace app\common\service;

use addons\epay\library\Service;
use jdpay\com\jdjr\pay\demo\common\SignUtil;
use jdpay\com\jdjr\pay\demo\common\TDESUtil;

class Jdpay{
    protected $appid;
    protected $merchantNo;
    protected $desKey;
    public function __construct()
    {
        $this->appid=config('site.appId');
        $this->merchantNo=config('site.merchantNo');
        $this->desKey=config('site.jd_desKey');
    }

    public function order($orderNo,$amount,$desc){
        $arr=[
            'version'=>'V1.0.0',
            'appId'=>$this->appid,
            'merchantNo'=>$this->merchantNo,
            'orderId'=>$orderNo,
            'amount'=>bcmul($amount,100,0),
            'virtualType'=>'01',
            'sourcePlat'=>'h5',
            'tradeName'=>$desc,
            'outTradeIp'=>request()->ip(),
            'successNotifyUrl'=>Service::notifyUrlJd($orderNo),
            'expireTime'=>'3600',
            'outTradePort'=>(string)request()->port(),
        ];

        $newArr=$arr;
        $key=base64_decode($this->desKey);
        foreach ($newArr as $key=>$item){
            if(in_array($key,['merchantNo'])){
                continue;
            }
            $newArr[$key]=TDESUtil::encrypt2HexStr($key,$item);
        }

        $query=[
            'merchantNo'=>$this->merchantNo,
            'cipherJson'=>TDESUtil::encrypt2HexStr($key,json_encode($newArr)),
            'sign'=>SignUtil::signWithoutToHex($arr,[]),
        ];
        $link='https://payx.jd.com/cashier/h5/saveOrder?'.http_build_query($query);

        return [
            'pay_url'=>$link,
            'data'=>$newArr
        ];
    }
}