Postalk - Android Note App
Postalk - Android Note App
0. Introduction
This project is a web application based on Spring Boot, Mybatis, Druid, and MySQL. Its function is posting + chat. This article will record the development process and problems encountered.
1. Design
Database Design
To make development smoother, I first designed an ER diagram based on the relationships between entities.

User Table:
| id | username | password | sex | age | phone_number | registration_date |
|---|
Technology Stack
- Backend: Spring Boot, Spring MVC
- ORM: Mybatis
- Connection Pool: Druid
- Database: MySQL
- Frontend: Android (for the app)
Project Structure
src/
├── main/
│ ├── java/
│ │ └── xyz.aiinirii.postalk/
│ │ ├── controller/
│ │ ├── service/
│ │ ├── mapper/
│ │ └── model/
│ └── resources/
│ ├── mapper/
│ └── application.yml
└── test/
Summary
This is a full-stack project combining Android app with Spring Boot backend.