Angular 4 + Spring JPA + PostgreSQL example | Angular 4 Http Client - Spring Boot RestApi

https://ozenero.com/angular-4-spring-jpa-postgresql-example-angular-4-http-client-spring-boot-restapi-server

Angular 4 + Spring JPA + PostgreSQL example | Angular 4 Http Client – Spring Boot RestApi Server

In this tutorial, ozenero shows you Angular 4 Http Client & Spring Boot Server example that uses Spring JPA to interact with PostgreSQL and Angular 4 as a front-end technology to make request and receive response.

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I. Technologies

– Java 1.8 – Maven 3.3.9 – Spring Tool Suite – Version 3.8.4.RELEASE – Spring Boot: RELEASE – Angular 4

II. Overview

angular-http-service-architecture

1. Spring Boot Server

angular-4-spring-jpa-postgresql-spring-boot-architecture

For more details about Spring JPA - PostgreSQL, please visit:
How to use Spring JPA with PostgreSQL | Spring Boot

2. Angular 4 Client

angular-4-spring-jpa-postgresql-angular-architecture

For more details:

III. Practice

1. Project Structure

1.1 Spring Boot Server

angular-4-spring-jpa-postgresql-spring-boot-structure
  • Class Customer corresponds to entity and table customer, it should be implemented Serializable.
  • CustomerRepository is an interface extends CrudRepository, will be autowired in CustomerController for implementing repository methods and custom finder methods.
  • CustomerController is a REST Controller which has request mapping methods for RESTful requests such as: getAll, postCustomer, delete, findByLastName.
  • Configuration for Spring Datasource and Spring JPA properties in application.properties
  • Dependencies for Spring Boot and PostgreSQL in pom.xml

1.2 Angular 4 Client

angular-4-spring-jpa-postgresql-angular-structure

More at:
https://ozenero.com/angular-4-spring-jpa-postgresql-example-angular-4-http-client-spring-boot-restapi-server

Angular 4 + Spring JPA + PostgreSQL example | Angular 4 Http Client – Spring Boot RestApi Server

#angular #springboot #springjpa #restapi

Angular 4 + Spring JPA + PostgreSQL example | Angular 4 Http Client - Spring Boot RestApi