通过运用多线程来异步控制程序的运行

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import java.awt.BorderLayout;

import java.awt.Dimension;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.File;

import javax.swing.JButton;

import javax.swing.JFileChooser;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JMenuItem;

import javax.swing.JOptionPane;

import javax.swing.JSplitPane;

import javax.swing.JToolBar;

public
class JController  extends JFrame{

    Counter count = new
Counter();

    Producer produce = new
Producer(count);

    public
JController()

    {

        super();

        setTitle("JFileChooserTest");

        setBounds(100,100,350,150);

        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        final JButton button = new
JButton();

        JButton button2 = new
JButton("button2");

        count.start();

        final JLabel label = new
JLabel();

        button.addActionListener(new
ActionListener(){  //监听事件

            public
void actionPerformed(ActionEvent e){

                boolean isAlive = produce.isAlive();

                if(isAlive){

                }else{

                    produce = new
Producer(count);

                    produce.start();

                }

            }

        });

        button2.addActionListener(new
ActionListener(){  //监听事件

            public
void actionPerformed(ActionEvent e){

              produce.stopRunning();

            }

        });

        getContentPane().add(button,BorderLayout.NORTH);  //布局处理

        getContentPane().add(button2,BorderLayout.CENTER);

        button.setText("button1");

    }

    /**

     * @param args

     */

    public
static void main(String[] args) {

        // TODO Auto-generated method stub

        JController jFileChooserTest = new
JController();

        jFileChooserTest.setVisible(true);

    }

}

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public
class Producer extends Thread{

    volatile
boolean stopRequest = false;

    Counter count = new
Counter();

    public
Producer(Counter count){

        this.count = count;

    }

    @Override

    public
void run(){

        while(!stopRequest){

            try
{

                Thread.sleep(800);

            } catch
(InterruptedException e) {

                // TODO Auto-generated catch block

                System.out.println(e.toString());

            }

            System.out.println(count.getCount());

        }

    }

    public
void stopRunning(){

        stopRequest = true;

    }

    public
static void main(String[] args){

    }

}

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import java.io.IOException;

public
class Counter extends Thread{

    volatile
int count =0;

    public
static void main(String[] args) throws Exception{

        // TODO Auto-generated method stub

    }

    public
void run(){

        while(true){

        try
{

            Thread.sleep(830);

        } catch
(InterruptedException e) {

            // TODO Auto-generated catch block

            System.out.println(e.toString());

        }

        count++;

        }

    }

    public
int getCount(){

        return
count;

    }

}