javaFX 控件寬度隨父元素寬度變化

@FXML
    private ScrollPane pane;
    @FXML
    private FlowPane flowPane;
 
    @Override
    public void initialize(URL location, ResourceBundle resources) {
        flowPane.prefWidthProperty().bind(pane.widthProperty());//寬度綁定為Pane寬度
    }