public VBox addVBox(); {
VBox vbox = new VBox();
vbox.setPadding(new Insets(10)); //节点到边缘的空隙
vbox.setSpacing(8); //节点之间的间隙
Text title = new Text("Data");
title.setFont(Font.font("Arial", FontWeight.BOLD, 14));
vbox.getChildren().add(title);
Hyperlink options[] = new Hyperlink[] {
new Hyperlink("Sales"),
new Hyperlink("Marketing"),
new Hyperlink("Distribution"),
new Hyperlink("Costs")};
for (int i=0; i