将串行端口上接收到的数据发送到JavaFX控制器

import javafx.application.Application;
import javafx.application.Platform;
import javafx.fxml.FXML;
import javafx.fxml.FXMLLoader;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
import jssc.SerialPort;
import jssc.SerialPortEvent;
import jssc.SerialPortEventListener;
import jssc.SerialPortException;

public class SerialPortExample extends Application {

    @FXML
    private Label dataLabel;

    private SerialPort serialPort;

    public static void main(String[] args) {
        launch(args);
    }

    @Override
    public void start(Stage primaryStage) throws Exception {
        FXMLLoader loader = new FXMLLoader(getClass().getResource("sample.fxml"));
        loader.setController(this);
        VBox root = loader.load();
        Scene scene = new Scene(root, 300, 200);
        primaryStage.setScene(scene);
        primaryStage.show();

        // 打开串行端口
        serialPort = new SerialPort("COM1");
        serialPort.openPort();
        serialPort.setParams(SerialPort.BAUDRATE_9600, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
        serialPort.addEventListener(new SerialPortEventListener() {
            @Override
            public void serialEvent(SerialPortEvent event) {
                if (event.isRXCHAR() && event.getEventValue() > 0) {
                    try {
                        // 读取串行端口上的数据
                        byte[] buffer = serialPort.readBytes();
                        String data = new String(buffer);
                        // 发送数据到JavaFX控制器
                        Platform.runLater(() -> handleSerialData(data));
                    } catch (SerialPortException e) {
                        e.printStackTrace();
                    }
                }
            }
        });
    }

    private void handleSerialData(String data) {
        // 处理接收到的数据
        dataLabel.setText(data);
    }

    @Override
    public void stop() throws Exception {
        // 关闭串行端口
        if (serialPort != null && serialPort.isOpened()) {
            serialPort.closePort();
        }
        super.stop();
    }
}