Java 개발을 통해 IoT 하드웨어 원격제어 기능을 구현하는 방법

public class Light {
    private boolean isOn;

    public void turnOn() {
        // 在这里编写控制灯打开的代码
        isOn = true;
    }

    public void turnOff() {
        // 在这里编写控制灯关闭的代码
        isOn = false;
    }

    public boolean isOn() {
        return isOn;
    }
}

public class Light {
    // 省略其他代码...

    public void receiveRemoteCommand(String command) {
        if (command.equals("ON")) {
            turnOn();
        } else if (command.equals("OFF")) {
            turnOff();
        }
    }
}

import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;

public class Server {
    public static void main(String[] args) {
        try {
            ServerSocket serverSocket = new ServerSocket(8888);
            System.out.println("服务器启动，监听端口8888...");

            while (true) {
                Socket socket = serverSocket.accept();
                new Thread(new Handler(socket)).start();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

class Handler implements Runnable {
    private Socket socket;

    public Handler(Socket socket) {
        this.socket = socket;
    }

    public void run() {
        try {
            // 获取远程控制指令
            String command = socket.getInputStream().readUTF();

            // 调用硬件设备的控制方法
            Light light = new Light();
            light.receiveRemoteCommand(command);

            // 关闭连接
            socket.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

import java.io.IOException;
import java.net.Socket;

public class Client {
    public static void main(String[] args) {
        try {
            Socket socket = new Socket("127.0.0.1", 8888);
            socket.getOutputStream().writeUTF("ON");
            socket.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}