start åsupend ç¨äºä¸ä¸ªåãæå¾æ¹äºã
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.concurrent.TimeUnit;
public class Count {
public static void main(String[] args) {
View view = new View();
}
static class View implements ActionListener {
private JFrame frame;
private JButton suspend;
private JButton resume;
private JTextField count;
private int index;
private boolean stop = false;
public View() {
frame = new JFrame("haha");
frame.setBounds(300, 200, 500, 500);
frame.getContentPane().setLayout(null);
frame.setBackground(Color.blue);
frame.setResizable(false);
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
suspend = new JButton("suspend");
suspend.setBounds(38, 197, 93, 60);
suspend.addActionListener(this);
frame.getContentPane().add(suspend);
resume = new JButton("resume");
resume.setBounds(200, 197, 93, 60);
resume.addActionListener(this);
frame.getContentPane().add(resume);
count = new JTextField();
count.addActionListener(this);
count.setBounds(38, 100, 93, 40);
count.setBackground(Color.WHITE);
count.setEditable(false);
frame.getContentPane().add(count);
try {
init();
start();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
private void init() throws InterruptedException {
index = 0;
count.setText("count is " + index);
}
private void start() throws InterruptedException {
while (true) {
if (!stop) {
count.setText("count is " + ++index);
}
TimeUnit.MILLISECONDS.sleep(100L);
}
}
@Override
public void actionPerformed(ActionEvent e) {
if (e.getSource() == suspend) {
stop = stop ? false : true;
} else if (e.getSource() == resume) {
try {
init();
} catch (InterruptedException e1) {
e1.printStackTrace();
}
}
}
}
}
追é®è¿è¡åºæ¥äºï¼ä½åé£ä¸ªé¢ä¸å¤ªä¸æ ·ï¼è¿æ¯æçä½ä¸ï¼æ以â¦â¦æèªå·±åäºä¸ä¸ªï¼ä½è¿æç¹ä¸å¤ªæ¸
æ¥ï¼å
·ä½çæåä½ ç¾åº¦äºäºï¼è½å¸®æççåï¼