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Spring Boot + Angular 6 example | Spring Data JPA + REST + PostgreSQL CRUD example

loizenai profile image loizenai ・3 min read

https://ozenero.com/spring-boot-angular-6-example-spring-data-rest-postgresql-example

Spring Boot + Angular 6 example | Spring Data JPA + REST + PostgreSQL CRUD example

In this tutorial, we show you Angular 6 Http Client & Spring Boot Server example that uses Spring JPA to do CRUD with PostgreSQL and Angular 6 as a front-end technology to make request and receive response.

Related Posts:

I. Technologies

– Java 1.8
– Maven 3.3.9
– Spring Tool Suite – Version 3.8.4.RELEASE
– Spring Boot: 2.0.3.RELEASE
– Angular 6

  • RxJS 6

    II. Overview

    angular-http-service-architecture

    Demo

    1. Spring Boot Server

    spring-boot-angular-6-spring-rest-api-data-postgresql-spring-server-architecture

    2. Angular 6 Client

    spring-boot-angular-6-spring-rest-api-data-postgresql-angular-client-architecture

    III. Practice

    1. Project Structure

    1.1 Spring Boot Server

    spring-boot-angular-6-spring-rest-api-data-postgresql-spring-server-structure

  • Customer class corresponds to entity and table customer.

  • 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: getAllCustomers, postCustomer, deleteCustomer, deleteAllCustomers, findByAge, updateCustomer.

  • Configuration for Spring Datasource and Spring JPA properties in application.properties

  • Dependencies for Spring Boot and PostgreSQL in pom.xml

    1.2 Angular 6 Client

    spring-boot-angular-6-spring-rest-api-data-postgresql-angular-client-structure

In this example, we focus on:

  • 4 components: customers-list, customer-details, create-customer, search-customer.
  • 3 modules: FormsModule, HttpClientModule, AppRoutingModule.
  • customer.ts: class Customer (id, firstName, lastName)
  • customer.service.ts: Service for Http Client methods

    2. How to do

    2.1 Spring Boot Server

    2.1.1 Dependency

More at:

https://ozenero.com/spring-boot-angular-6-example-spring-data-rest-postgresql-example

Spring Boot + Angular 6 example | Spring Data JPA + REST + PostgreSQL CRUD example

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