问JavaFX小型/中型/大型桌面应用程序最佳实践指南？

EN

ModelWindowname.java      -- Model
Windowname.fxml           -- View
Windowname.css            -- 
ControllerWindowname.java -- Controller

@FXML
void openGuiOne(ActionEvent event) throws IOException {
    /*
     * We don't put the FXMLLoader into try/catch blocks, so we throw the IOException.
     * Why? The user has no impact on what's going on here, so we can avoid the
     * overload on code and trace-information.
     */
    Stage oStage = null; 
    Parent oScene = null;

    // Check if the stage is already opened
    if (StageHandler.stageAlreadyOpened("gui_one") == false) {
        // if not, open a new window based on the One.fxml design and set some properties
        oScene = FXMLLoader.load(getClass().getResource("/com/mytool/one/One.fxml")); // requires to throw IOException 
        oStage = new Stage();           
        oStage.setScene(new Scene(oScene));
        oStage.setTitle("One");
        oStage.setResizable(false);
        oStage.setX(475.0); // Set x-position of the window on startup
        oStage.setY(410.0);  // Set y-position of the window on startup
        oStage.show();

        // Look into StageHandler-Class for detailed information about the class 
        StageHandler.addStage("gui_one", oStage);

        // EventHandler - close only this window if it's closed
        oStage.setOnCloseRequest(new EventHandler<WindowEvent>() {
            @Override
            public void handle(WindowEvent event) {
                StageHandler.delStage("gui_one");
            }
        });
    } else {
        // if window is already opened, pull it to the foreground
        StageHandler.getStage("gui_one").toFront();
    }
}

@FXML
void openGuiOne(ActionEvent event) throws IOException, SQLException {
    /*
     * We don't put the FXMLLoader into try/catch blocks, so we throw the IOException.
     * Why? The user has no impact on what's going on here, so we can avoid the
     * overload on code and trace-information.
     */
    Stage oStage = null;
    FXMLLoader oLoaderOne = new FXMLLoader(getClass().getResource("/com/mytool/one/One.fxml"));

    // Check if the stage is already opened
    if (StageHandler.stageAlreadyOpened("gui_one") == false) {
        // if not, open a new window based on the One.fxml design and set some properties
        oStage = new Stage();           
        oStage.setScene(new Scene(oLoaderOne.load()));
        ControllerOne oControllerOne = oLoaderOne.getController();
        oStage.setTitle("One");
        oStage.setResizable(false);
        oStage.setX(475.0); // Set x-position of the window on startup
        oStage.setY(50.0);  // Set y-position of the window on startup

        oControllerOne.myInitialize("");

        oStage.show();

        // Look into StageHandler-Class for detailed information about the class 
        StageHandler.addStage("gui_one", oStage);

        // EventHandler - close only this window if it's closed
        oStage.setOnCloseRequest(new EventHandler<WindowEvent>() {
            @Override
            public void handle(WindowEvent event) {
                StageHandler.delStage("gui_one");
            }
        });
    } else {
        // if window is already opened, pull it to the foreground
        StageHandler.getStage("gui_one").toFront();
    }
}