无法将ImageView添加到后台JavaFX-没有fxml

Question

    public Login()  {
        grid = new GridPane();
        grid.setAlignment (Pos.CENTER);
        grid.setHgap(10);
        grid.setVgap(10);
        grid.setPadding(new Insets(25,25,25,25));


        Image img = new Image("/src/application/Images/L.png");
        ImageView imgView = new ImageView(getClass().getResource("/src/application/Images/L.png").toExternalForm());
        imgView.setImage(img);
        grid.getChildren().addAll(imgView);
        scene = new Scene (grid, 300, 150);

> Caused by: java.lang.IllegalArgumentException: Invalid URL or resource not found

Answer 1

我从映像路径中删除了src以获取：

Image img = new Image("/application/Images/L.png");    

我又说：

grid.setBackground(
    new Background(
       new BackgroundImage(
           img, 
           BackgroundRepeat.REPEAT, 
           BackgroundRepeat.REPEAT, 
           BackgroundPosition.DEFAULT, 
           BackgroundSize.DEFAULT
       )
    )
);

而且起作用了。