Introduction

Spring Boot and Angular is a powerful combination for full-stack web development. This guide provides an introduction to integrating Spring Boot with Angular, explains the basics of Angular, and offers sample code with explanations for its implementation.

Why Use Angular with Spring Boot?

Angular is a popular front-end framework that offers numerous advantages when integrated with Spring Boot:

• Rich User Interfaces: Angular provides tools for building responsive and interactive user interfaces.
• Modularity: Angular's component-based architecture allows you to create reusable UI components.
• Single-Page Applications (SPAs): Angular supports the development of SPAs, resulting in a smoother user experience.

Getting Started with Spring Boot and Angular

To start building a full-stack web application with Spring Boot and Angular, follow these steps:

1. Create a Spring Boot project using the Spring Initializr or your preferred IDE.
2. Create a new Angular project using the Angular CLI:

ng new my-angular-app
        

3. Integrate Angular with Spring Boot by serving the Angular app from the Spring Boot backend. Set up a proxy configuration in your Angular app's angular.json file.

"architect": {
  "build": {
    "options": {
      "proxyConfig": "proxy.conf.json"
    }
  }
}
        

4. Create a RESTful API using Spring Boot to serve data to your Angular app. Use Spring Boot's controller and service classes for this purpose.

@RestController
@RequestMapping("/api")
public class MyController {
    @GetMapping("/data")
    public ResponseEntity<String> getData() {
        return ResponseEntity.ok("Data from Spring Boot");
    }
}
        

5. Develop your Angular front-end to consume the RESTful API created in the previous step. Use Angular components and services to make HTTP requests to your Spring Boot backend.

Conclusion

Spring Boot and Angular is an excellent choice for full-stack web development. This guide introduced the integration, explained the benefits of Angular, and offered sample code for creating a basic full-stack web application. As you explore this combination further, you'll find it valuable for building modern and interactive web applications.