Connection program between web and cardterminal.

종료 등록 시간: 6년 전 착불
종료 착불

INTRODUCTION:

The product is a local windows program "POSconnect" that interacts between:

1. A web application

2. A tax control unit (locally connected as COM port via USB)

3. A card payment terminal (connected via TCP / IP in local area network with fixed IP number to the computer, and connected to the bank via the internet)

4. A printer

FUNCTION

The web application is a Point-of-Sale system (hereinafter referred to as POS). The user registers products, prices and customer, then completes the sales transaction when the user presses the PAY button and selects payment mode.

The POS program communicates with the POSconnect application. The feed is fed via an XML url with posted replies to a URL specified in settings.

Then the following happens if the user selected CREDITCARD as payment method:

1. Total amounts, items, prices and customer are written in the XML table

2. The POSconnect program regularly reads the XML table and sees that the table is updated, after which the POSconnect application activates the card terminal through a dynamic link library (DLL).

3. The terminal then carries out a card purchase against the bank.

4. The purchase can then be approved or rejected by the bank.

5A. If the purchase is rejected by the bank:

I. POSconnect posts the result to URL and is ready for a new transaction.

II. POSconnect logs the activities

5B. If the purchase is approved by the bank:

I. POSconnect posts the result to URL

II. POSconnect asks the tax control unit for a "control number" (a serial number that the tax control unit creates). Then, control number is sent together with all transaction data to the tax control unit which saves them in its memory.

III. POSconnect prints the control number on the receipt together with the other receipt information.

IV. POSconnect logs the activities

All activity is logged in a file that is readable to the human eye.

.NET C# 프로그래밍 PHP 소프트웨어 아키텍처 XML

프로젝트 ID: #16139387

프로젝트 소개

22 건(제안서) 재택 근무형 프로젝트 서비스 이용 중: 6년 전

이 일자리에 대한 프리랜서 22 명의 평균 입찰가: €1270

hiretechexperts

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€1250 EUR (10일 이내)
(77 리뷰)
8.3
super2lao

Hi, Dear Employer! How are you? I am really interested in your project. I have enough experience on WEB, python, C/C++, C#, java programming. I am 100% sure i can satisfy your requirements perfectly. User-Friendl 기타

€1184 EUR (20일 이내)
(98 리뷰)
7.5
sherifamgadnabih

i am a lead .NET software engineer and responsible for creating a web and desktop applications using different languages and technologies if u r interested just send me a message thank you and good luck

€1000 EUR (10일 이내)
(153 리뷰)
7.5
mmadi

Hey jesperquad, I have gone through your project Connection program between web and cardterminal. Thanks for posting this job, which comes under our expertise area. We are happy to offer you our dedicated services if 기타

€1050 EUR (24일 이내)
(50 리뷰)
7.1
thecloudkernel

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€3000 EUR (35일 이내)
(17 리뷰)
7.2
royalwebraisers

Hi I am having six + years of exp in that area Please let me know when we can start working. Thanks Mohit

€1055 EUR (20일 이내)
(159 리뷰)
6.8
webdesignexpert1

Hello, I have reviewed all provided details and wanted to confirm you that we have 7+ years of extensive experience in developing web & desktop POS system using ASP.Net, C#, VB.Net, SQL, MVC 3 / 4 / 5, HTML5, CSS3, 기타

€1800 EUR (24일 이내)
(33 리뷰)
6.0
JeevanSolutions

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€1388 EUR (20일 이내)
(8 리뷰)
2.4
Codingcorner

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€750 EUR (5일 이내)
(0 리뷰)
0.0