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:
- How to use Spring JPA with PostgreSQL | Spring Boot
- Spring JPA + PostgreSQL + AngularJS example | Spring Boot
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
Demo
1. Spring Boot Server
2. Angular 6 Client
III. Practice
1. Project Structure
1.1 Spring Boot Server
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
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
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Spring Boot + Angular 6 example | Spring Data JPA + REST + PostgreSQL CRUD example
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