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

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

#springboot #springjpa #crud #postgresql

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