markdown JavaFx场景键按下（键盘）

Posted 2021-05-05

## Escape Pressed

```java
scene.addEventHandler(KeyEvent.KEY_RELEASED,  t -> {
    if(t.getCode()==KeyCode.ESCAPE)
    {
        System.out.println("click on escape");
    }
});
```

## Arrows Pressed

```java
  scene.addEventHandler(KeyEvent.KEY_PRESSED, e -> {
            switch (e.getCode()) {
                case LEFT:
                    ...
                    break;
                case RIGHT:
                    ...
                    break;
                default:
                    ...
            }
            ...
        });
```