如何进行键盘事件 [英] How to cast a keyboard event
本文介绍了如何进行键盘事件的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
在显示**spacebarpressed**
的地方,我想投射一个事件:
Where it says **spacebarpressed**
, I want to cast an event:
public static void main(String[] args) throws IOException, AWTException{
final Robot robot = new Robot();
robot.delay(2000);
while(true)
{
if( **spacebarpressed** ) {
robot.mousePress(InputEvent.BUTTON1_MASK);
robot.mouseRelease(InputEvent.BUTTON1_MASK);
robot.delay(50);
}
else {
robot.delay(50);
}
}
}
推荐答案
您要检查是否按下空格键吗?如果是这样,则需要一个实现KeyListener
的内部私有类,但需要将其连接到JFrame
,但是...我不知道其他任何方式.
You want to check if spacebar is pressed? If that's so, you need an inner private class that implements KeyListener
, but you need to hook it up to a JFrame
however... I don't know about any other way.
private class Key
implements KeyListener
{
private boolean spacebarPressed = false;
@Override
public void keyTyped(KeyEvent e)
{
}
@Override
public void keyPressed(KeyEvent e)
{
if(e.getKeyCode() == KeyEvent.VK_SPACE)
{
spacebarPressed = true;
}
}
@Override
public void keyReleased(KeyEvent e)
{
if(e.getKeyCode() == KeyEvent.VK_SPACE)
{
spacebarPressed = false;
}
}
public boolean isSpacebarPressed()
{
return spacebarPressed;
}
}
然后在while循环中调用isSpacebarPressed()
进行检查.
And then just call isSpacebarPressed()
in your while loop to check.
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