Jeepay: An Open‑Source Enterprise‑Level Payment System Overview

Jeepay is an enterprise‑grade open‑source payment system suitable for internet companies, supporting multiple channels including WeChat Pay, Alipay and UnionPay, and offering both service‑provider and ordinary merchant modes.

It is developed with Spring Boot and Ant Design Vue, integrates Spring Security for permission management, and provides a practical web development framework.

Key Features

Support for multi‑channel integration with automatic payment‑gateway routing.

WeChat Pay service‑provider and merchant interfaces (V2 and V3) already integrated.

Alipay service‑provider and merchant interfaces with RSA and RSA2 signatures.

UnionPay service‑provider interface with selectable payment institutions.

HTTP APIs with SDKs for various languages, facilitating easy integration.

Signed request and response data to ensure transaction security.

Distributed deployment and high‑concurrency support for system stability.

Separate operation platform and merchant system with a clean, user‑friendly UI.

Order notifications from the payment platform to the merchant system implemented via MQ for high availability.

Automatic generation of payment‑channel parameter configuration interfaces.

Permission management implemented with spring security.

Front‑back separation architecture for convenient secondary development.

Developed by the original XxPay team, bringing years of payment‑system experience.

System Architecture

Core Technology Stack

Software Name

Description

Version

Jdk

Java environment

1.8

Spring Boot

Development framework

2.4.5

Redis

Distributed cache

3.2.8 or higher

MySQL

Database

5.7.X or 8.0 higher

MQ

Message middleware

ActiveMQ or RabbitMQ or RocketMQ

Ant Design Vue

Vue implementation of Ant Design (frontend)

2.1.2

MyBatis-Plus

MyBatis enhancement tool

3.4.2

WxJava

WeChat Java SDK

4.1.0

Hutool

Java utility library

5.6.6

Project Structure

jeepay
├── conf -- stores deployment .yml files
└── docs -- project documentation
    ├── script -- startup shell scripts
    └── sql -- initialization SQL files
├── jeepay-core -- core dependency package
├── jeepay-manager -- operation platform server [9217]
├── jeepay-merchant -- merchant system server [9218]
├── jeepay-payment -- payment gateway [9216]
├── jeepay-service -- business layer code
└── jeepay-z-codegen -- MyBatis code generation

Development & Deployment

System development: https://docs.jeequan.com/docs/jeepay/dev_serv

Channel integration: https://docs.jeequan.com/docs/jeepay/dev_channel

Online deployment: https://docs.jeequan.com/docs/jeepay/deploy

API documentation: https://docs.jeequan.com/docs/jeepay/payment_api

System Screenshots

Project Source Code

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