在我的JavaFX应用程序执行外部进程时更新其视图

import javafx.application.Application;
import javafx.application.Platform;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class ExternalProcessExample extends Application {

    private Label outputLabel;

    @Override
    public void start(Stage primaryStage) {
        outputLabel = new Label();

        Button executeButton = new Button("Execute");
        executeButton.setOnAction(event -> executeExternalProcess());

        VBox root = new VBox(outputLabel, executeButton);
        Scene scene = new Scene(root, 300, 200);

        primaryStage.setTitle("External Process Example");
        primaryStage.setScene(scene);
        primaryStage.show();
    }

    private void executeExternalProcess() {
        try {
            ProcessBuilder processBuilder = new ProcessBuilder("your_command_here");
            processBuilder.redirectErrorStream(true);
            Process process = processBuilder.start();

            BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));

            new Thread(() -> {
                try {
                    String line;
                    while ((line = reader.readLine()) != null) {
                        String finalLine = line;
                        Platform.runLater(() -> outputLabel.setText(finalLine));
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }).start();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

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