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Integration of Java framework and front-end framework in the field of Internet of Things

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Release: 2024-06-05 19:34:00
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Integration of Java and front-end frameworks in IoT: Java frameworks: Spring Boot, Micronaut, Vert.x for building RESTful web services and microservices. Front-end frameworks: Angular, React, Vue for building user interfaces and components. Integration in Action: Demonstrates an example of building an IoT application using Spring Boot and Angular, including back-end API and front-end UI.

Integration of Java framework and front-end framework in the field of Internet of Things

Integration of Java framework and front-end framework in the field of Internet of Things

Introduction
With the development of things With the rise of the Internet of Things (IoT), the demand for the development of IoT devices and services has surged. Java frameworks and front-end frameworks are crucial in developing IoT applications, providing a strong and flexible foundation.

Java Framework

  • Spring Boot: A lightweight framework for building RESTful web services with built-in dependency management and automatic configuration functions.
  • Micronaut: Ultra-fast microservices framework optimized for memory-constrained environments such as the Internet of Things.
  • Vert.x: A reactive and lightweight full-stack framework for handling event-driven IoT applications.

Front-end framework

  • Angular: A comprehensive single page application (SPA) framework that provides powerful functionality and Componentization.
  • React: Popular and easy-to-use library for building interactive user interfaces and components.
  • Vue: A progressive framework that provides a lightweight and flexible solution for building various front-end applications.

Integration practice

The following is an example of building a simple IoT application using the Java framework Spring Boot and the front-end framework Angular:

Backend (Java)

@SpringBootApplication
public class IotApp {
    public static void main(String[] args) {
        SpringApplication.run(IotApp.class, args);
    }
}

@RestController
@RequestMapping("/api/devices")
public class DeviceController {
    private final DeviceService deviceService;

    public DeviceController(DeviceService deviceService) {
        this.deviceService = deviceService;
    }

    @PostMapping
    public Device createDevice(@RequestBody DeviceRequest request) {
        return deviceService.createDevice(request);
    }

    @GetMapping
    public List<Device> getDevices() {
        return deviceService.getDevices();
    }
}
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Frontend (Angular)

import { Component, OnInit } from '@angular/core';
import { Device } from './device';
import { DeviceService } from './device.service';

@Component({
  selector: 'my-app',
  template: `
    <div>
      <h1>IoT Application</h1>
      <ul>
        <li *ngFor="let device of devices">
          {{ device.name }} ({{ device.status }})
        </li>
      </ul>
      <button (click)="createDevice()">Create Device</button>
    </div>
  `,
})
export class AppComponent implements OnInit {
  devices: Device[] = [];

  constructor(private deviceService: DeviceService) {}

  ngOnInit(): void {
    this.getDevices();
  }

  createDevice(): void {
    const request: DeviceRequest = {
      name: 'Device ' + new Date().getTime(),
      status: 'Online',
    };

    this.deviceService.createDevice(request)
      .subscribe((device) => this.devices.push(device));
  }

  getDevices(): void {
    this.deviceService.getDevices()
      .subscribe((devices) => this.devices = devices);
  }
}
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Conclusion
Java framework and front-end framework Integration enables developers to build powerful and scalable IoT applications. This article shows how to integrate key features of the backend using a specific framework, and shows how the frontend UI fetches and displays data through Angular.

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