CRM

An simple GUI to manage customers

This is a UI for managing cutomers. Actions contain "add", "delete", and "update". This is a Maven project, use Spring boot framework to work with thymeleaf. Also use SpringData JPA to decrease the codes of traditional DAO layer.

Technologies

• Java
• Spring Boot
• MySQL
• JPA
• HTML
• Bootstrap

Demo screenshots

Home page: list all customer

Delete: pop-up alert before action

Save: create a new customer info

Update: read data from DB and allow to be updated

3 versions to implement (use findAll as an example)

Native Hibernate JPA (EntityManager to get currentSession)

Standard JPA (EntityManager)

Spring Data JPA (JpaRepository)

Data in JSON format

No service layer & controller, use Spring Rest dependency to implement: