基本思路:

在类中创建thread 供按钮监听器调用。

界面设计:

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" alt="" />

代码:

 package thread;

 import java.awt.*;
import java.awt.event.*; import javax.swing.*; public class Threadtest extends JFrame implements Runnable{
JFrame frm=new JFrame("watch");
JPanel bottom=new JPanel();
JPanel mid=new JPanel();
JLabel h=new JLabel("0");
JLabel biao=new JLabel(":");
JLabel s=new JLabel("00");
JButton hajime=new JButton("开始计时");
JButton pause=new JButton("暂停");
JButton tozero=new JButton("清零");
Thread t=new Thread(this);
private int i=0,j=0;
public void run(){
try
{
while(true){
Thread.sleep(100);
i++;
if(i>=1&&i<10)
{
s.setText("0"+i);
}
else if(i>=10&&i<60)
s.setText(""+i);
if(i==60)
{
i=0;
j++;
s.setText("00");
h.setText(""+j);
}
}
}catch(Exception e){
System.out.println("");
}
}
public Threadtest()
{
frm.setLayout(new BorderLayout());
frm.setBounds(200, 200, 300, 150);
frm.setVisible(true);
frm.add("South",bottom);
frm.add("Center",mid); mid.add(h);
mid.add(biao);
mid.add(s);
h.setFont(new Font("Consulas",Font.PLAIN,36));
biao.setFont(new Font("Consulas",Font.PLAIN,36));
s.setFont(new Font("Consulas",Font.PLAIN,36));
bottom.add(hajime);
bottom.add(pause);
bottom.add(tozero); hajime.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
if(t.isAlive())
t.resume();
else t.start();
}});
pause.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
t.suspend();
}});
tozero.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
h.setText("0");
s.setText("00");
i=0;
j=0;
}
});
} public static void main(String[] args){
new Threadtest();
}
}

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