在javafx中连续运行任务？

import javafx.application.Application;
import javafx.concurrent.Task;
import javafx.concurrent.WorkerStateEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.ProgressBar;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class Main extends Application {

    private ExecutorService executorService;

    @Override
    public void start(Stage primaryStage) {
        Button startButton = new Button("Start");
        ProgressBar progressBar = new ProgressBar();

        VBox root = new VBox(startButton, progressBar);
        Scene scene = new Scene(root, 200, 100);
        primaryStage.setScene(scene);
        primaryStage.show();

        startButton.setOnAction(event -> {
            // 创建自定义任务对象
            Task<Void> task = new Task<Void>() {
                @Override
                protected Void call() throws Exception {
                    for (int i = 0; i < 10; i++) {
                        // 模拟耗时操作
                        Thread.sleep(1000);
                        // 更新任务进度
                        updateProgress(i + 1, 10);
                    }
                    return null;
                }
            };

            // 监听任务完成事件
            task.setOnSucceeded(new EventHandler<WorkerStateEvent>() {
                @Override
                public void handle(WorkerStateEvent event) {
                    System.out.println("任务完成");
                }
            });

            // 创建线程池并执行任务
            executorService = Executors.newSingleThreadExecutor();
            executorService.submit(task);

            // 绑定进度条的进度属性到任务的进度属性
            progressBar.progressProperty().bind(task.progressProperty());
        });

        primaryStage.setOnCloseRequest(event -> {
            // 关闭窗口时停止任务并关闭线程池
            if (executorService != null) {
                executorService.shutdownNow();
            }
        });
    }

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