JavaFX滑块更改宽度(厚度)

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.Slider;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

public class SliderExample extends Application {
    @Override
    public void start(Stage primaryStage) {
        Slider slider = new Slider();
        slider.setPrefWidth(200); // 设置滑块的宽度为200

        VBox root = new VBox(slider);
        Scene scene = new Scene(root, 400, 200);

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

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