btn.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {new Thread(new Runnable() {@Overridepublic void run() {//执行业务方法System.out.println("执行。这个方法要执行很久！！");}}).start();}});

    private static LinkedList<Thread> threadList = new LinkedList<Thread>();public static LinkedList<Thread> getThreadList() {return threadList;}

            loginBtn.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent evt) {Thread thread = new Thread(new Runnable() {@Overridepublic void run() {System.out.println("登陆。。这个方法要执行5秒");}});thread.start();    //开始执行threadList.add(thread);    //把线程放到List里
                }});

private void stopBtnActionPerformed(ActionEvent e) {Thread thread = null;try{thread = threadList.getLast();thread.stop();System.out.println("操作被已手动停止");}catch(NoSuchElementException ex){System.out.println("没有正在执行的操作！");}catch(Exception exx){exx.printStackTrace();}finally{threadList.remove(thread);  　　　　//从List移除这条线程。}}

import java.lang.Thread.State;
import java.util.LinkedList;import com.alee.utils.ThreadUtils;/*** 保存每个执行操作的线程，并且定期清理已经结束的线程。* 主要用于“取消上次操作”功能。* @author g**/
public class ThreadListScaner implements Runnable{private LinkedList<Thread> threadList;public ThreadListScaner(){this.threadList = UIContext.getThreadList();}@Overridepublic void run() {//2秒扫描一次while(true){ThreadUtils.sleepSafely(2000);LinkedList<Thread> tempThreadList = new LinkedList<Thread>(threadList);for(Thread thread : tempThreadList){State state = thread.getState();if(state.equals(State.TERMINATED)){        //如果是TERMINATED状态，则移除这条线程
                    threadList.remove(thread);}}}}
}