JavaFX 将Titled Panes（标题窗格）加入到Accordion（手风琴控件）中

import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Accordion;
import javafx.scene.control.Button;
import javafx.scene.control. dPane;
import javafx.scene.paint.Color;
import javafx.stage.Stage;

public class Main extends Application {
  public static void main(String[] args) {
    Application.launch(args);
  }

  @Override
  public void start(Stage primaryStage) {
    primaryStage.set (\"Text Fonts\");

    Group g = new Group();
    Scene scene = new Scene(g, 550, 250, Color.web(\"0x0000FF\", 1.0));

     dPane t1 = new  dPane(\"T1\", new Button(\"B1\"));
     dPane t2 = new  dPane(\"T2\", new Button(\"B2\"));
     dPane t3 = new  dPane(\"T3\", new Button(\"B3\"));
    Accordion accordion = new Accordion();
    accordion.getPanes().addAll(t1, t2, t3);

    g.getChildren().add(accordion);

    primaryStage.setScene(scene);
    primaryStage.show();
  }
}