深度讲解Java多线程开发—电子表项目实现

        @Override
	public void actionPerformed(ActionEvent e) {
		
		// 如果点击了确认修改按钮
		if (e.getSource() == amend_JB) {
			
			//获取到下拉框的值
			String hour_amend = hourAmend.getSelectedItem().toString();
			String minute_amend = minuteAmend.getSelectedItem().toString();
			String second_amend = secondAmend.getSelectedItem().toString();
			//JOptionPane.showMessageDialog(null, "修改成功！");
			isThreadShow = false;	//设置线程标记为False，中止线程
			//将修改的值进行显示
			hourShow.setText(hour_amend);
			minuteShow.setText(minute_amend);
			secondShow.setText(second_amend);
			
			System.out.println("修改的时间是：" + hour_amend + ":" + minute_amend + ":" + second_amend);
			threadAmend.start();//启动修改后运行时间的线程
		}
		
		
		//如果点击了启动秒表的按钮
		if (e.getSource() == second_JB) {
			
			//如果当前秒表是启动状态，也就是显示的是让停止计时
			if (second_JB.getText() == "停止计时") {
				second_JB.setText("启动秒表");
				second_JB.setBackground(Color.yellow);
				//threadSecond.stop();
				isStartSecond = false;
			}
			else {
				//如果当前秒表是关闭状态			
				second_JB.setText("停止计时");
				second_JB.setBackground(Color.RED);
				
				threadSecond.start();//启动秒表线程
				isStartSecond = true;
			}							
		}
		
		//如果点击了暂停按钮
		if (e.getSource() == pause_JB) {
			if (pause_JB.getText() == "暂停") {
				pause_JB.setText("继续");
				pause_JB.setBackground(Color.cyan);
				threadSecond.suspend();		//使该线程暂停
			}
			else {
				pause_JB.setText("暂停");
				pause_JB.setBackground(Color.RED);
				threadSecond.resume();		//使该线程继续
			}
		}
	}

        @Override
	public void run() {
		
		while (true) {
				
		// TODO Auto-generated method stub
		Date date = new Date();		//实例化时间类对象
		
		//将当前获取到的时间规范化
		SimpleDateFormat yearFormat = new SimpleDateFormat("yyyy");
		SimpleDateFormat monthFormat = new SimpleDateFormat("MM");
		SimpleDateFormat dayFormat = new SimpleDateFormat("dd");
		SimpleDateFormat weekFormat = new SimpleDateFormat("EEEE");
		SimpleDateFormat hourFormat = new SimpleDateFormat("HH");
		SimpleDateFormat minuteFormat = new SimpleDateFormat("mm");
		SimpleDateFormat secondFormat = new SimpleDateFormat("ss");
		
		//获取到当前的年、月、日、时、分、秒
		year = yearFormat.format(date);
		month = monthFormat.format(date);
		day = dayFormat.format(date);
		week = weekFormat.format(date);
		hour = hourFormat.format(date);
		minute = minuteFormat.format(date);
		second = secondFormat.format(date);
		
		hourShow.setText(hour);
		minuteShow.setText(minute);
		secondShow.setText(second);
		
		timeShow.setText(year + "年" + month + "月" + day + "日" + week);
		
		
		try {
			Thread.sleep(1000);		//让线程每一秒执行一次
		} catch (InterruptedException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		//如果线程中止，跳出循环
		if (!isThreadShow) {
			break;
		}
		
		}
	}

                //设置threadAmend线程
		threadAmend = new Thread(new Runnable() {
			
			@Override
			public void run() {
				
				while (true) {

				int hourAmend = Integer.parseInt(hourShow.getText());
				int minuteAmend = Integer.parseInt(minuteShow.getText());
				int secondAmend = Integer.parseInt(secondShow.getText());
				secondAmend++;
				//对获取到的时间进行判断并作出处理
				if (secondAmend == 60) {
					minuteAmend++;
					secondAmend = 0;
				}
				if (minuteAmend == 60) {
					hourAmend++;
					minuteAmend=0;
				}
				if (hourAmend == 24) {
					hourAmend = 0;
					minuteAmend = 0;
					secondAmend = 0;
				}
				
				//将时间进行显示
				hourShow.setText(Integer.toString(hourAmend));
				minuteShow.setText(Integer.toString(minuteAmend));
				secondShow.setText(Integer.toString(secondAmend));
				try {
					threadAmend.sleep(1000);
				} catch (InterruptedException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}
			}
		});

                //设置threadSecond秒表线程
		threadSecond = new Thread(new Runnable() {
			
			@Override
			public void run() {
				//在每次开启秒表时，将数据初始化为0
				hourSecond = 0;
				minuteSecond = 0;
				secondSecond = 0;
				
				while (true) {
				secondSecond++;		//秒数加1
				//对获取到的时间进行判断并作出处理
				if (secondSecond == 60) {
					minuteSecond++;
					secondSecond = 0;
				}
				if (minuteSecond == 60) {
					hourSecond++;
					minuteSecond=0;
				}
				String SecondText = Integer.toString(hourSecond) + ":" +  Integer.toString(minuteSecond) + ":" + Integer.toString(secondSecond);
				second_Time.setText(SecondText);
				try {
					threadSecond.sleep(1000);	//让线程每次休息一秒
				} catch (InterruptedException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				
				//如果监控秒表线程的StartSecond为falsh，跳出循环
				if (!isStartSecond) {
					isStartSecond = true;
					break;
				}
				}
			}
		});

	public static void main(String[] args) {
		ElectronicClock eClock = new ElectronicClock();		
	}