timer.schedule(new PressTask(), 2000, rand);
我希望上面的每一次都有不同的数字。例如,第一次定时器。 schedule 被调用,让我们说 rand 是5345.下次调用它时,它应该是一个不同的数字,而不是5345.我该怎么做?
原谅凌乱的编码,这只是我为自己做的一点练习。
public class Keypress
{
static Timer timer = new Timer();
static JFrame frame = new JFrame();
static JButton btn = new JButton("start");
static JButton btn2 = new JButton("stop");
static JTextField txt = new JTextField();
static Robot robot;
static Random couch = new Random();
static int rand = couch.nextInt(10000 - 5000) + 5000;
public static void main(String[] args)
{
System.out.println(rand);
frame.setSize(500,300);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
btn.addActionListener(new startPress());
btn2.addActionListener(new stopPress());
frame.setLayout(new GridLayout(3, 1));
frame.add(btn);
frame.add(btn2);
frame.add(txt);
try
{
robot = new Robot();
}
catch (AWTException e)
{
e.printStackTrace();
}
frame.setVisible(true);
}
static class startPress implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
timer.schedule(new PressTask(), 2000, rand);
}
}
public static class PressTask extends TimerTask
{
public void run()
{
robot.keyPress(KeyEvent.VK_1);
robot.keyRelease(KeyEvent.VK_1);
}
}
static class stopPress implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
System.exit(0);
}
}
}