JAVA实现的可定时到秒的秒表，JAVA实现秒表, package

JAVA实现的可定时到秒的秒表，JAVA实现秒表, package

    package timerDemo;      import java.awt.BorderLayout;      public class TimerCountDemo extends JPanel implements Runnable,ActionListener{          private ScrollPane scrollPane;          private TextArea resultTimeText;          private JLabel currentTimeLabel;          private Calendar currentCalendar;          private Date currentDate;          private JButton startJButton;          private JButton quanJButton;          private JButton secondButton;          private JButton stopJButton;          private JButton showTimeJButton;          private Thread t;          private static int i=1;                          //圈数          private static int hour,min,sec,msec,totalTime;          private static boolean flag=true;          public TimerCountDemo() {              // TODO Auto-generated constructor stub              startJButton=new JButton("开始");              showTimeJButton=new JButton("00-00-00");              showTimeJButton.setBackground(SystemColor.activeCaption);              showTimeJButton.setFont(new Font("叶根友钢笔行书升级版", Font.PLAIN, 14));              quanJButton=new JButton("以圈计时");              quanJButton.setEnabled(false);        //初始化时设为false              secondButton=new JButton("以秒计时");              secondButton.setEnabled(false);       //初始化时设为false              stopJButton=new JButton("停止");              stopJButton.setBackground(Color.red);  //设置背景色为红色              scrollPane=new ScrollPane();              resultTimeText=new TextArea(20,20);              resultTimeText.setEditable(false);              scrollPane.setEnabled(true);              currentCalendar=Calendar.getInstance();              scrollPane.setBackground(Color.WHITE);              currentTimeLabel=new JLabel();              currentDate=new Date();              currentTimeLabel.setText("当前时间：");              this.setLayout(new BorderLayout());              JPanel pNorth=new JPanel(new GridLayout(2,1));              pNorth.add(currentTimeLabel);              pNorth.add(showTimeJButton);              this.add(pNorth,BorderLayout.NORTH);             //添加当前时间Label              this.add(scrollPane,BorderLayout.CENTER);                   //添加              JPanel panel=new JPanel(new GridLayout(2,2));              panel.add(quanJButton);              panel.add(secondButton);              panel.add(startJButton);              panel.add(stopJButton);              this.add(panel,BorderLayout.SOUTH);              t=new Thread(this);              t.start();              startJButton.addActionListener(this);              quanJButton.addActionListener(this);              secondButton.addActionListener(this);              stopJButton.addActionListener(this);          }          @Override          public void run() {              // TODO Auto-generated method stub              try {                  while(true){                      int mHour=new Date().getHours();                      int mMin=new Date().getMinutes();                      int mSec=new Date().getSeconds();                      int mTotalTime=mHour*3600+mMin*60+mSec;                      int diffHour=(mTotalTime-totalTime)/3600;                      int diffMin=(mTotalTime-totalTime)%3600/60;                      int diffSec=(mTotalTime-totalTime)%3600%60;                      Thread.sleep(10);                      currentTimeLabel.setText("当前时间："+mHour+":"+mMin+":"+mSec);                      if(!flag){                          showTimeJButton.setText(""+diffHour+"-"+diffMin+"-"+diffSec);                      }//if(!flag)                  }//while              } catch (Exception e) {                  // TODO: handle exception                  e.printStackTrace();              }          }          @SuppressWarnings("deprecation")          @Override          public void actionPerformed(ActionEvent e) {              // TODO Auto-generated method stub              if(e.getSource()==startJButton){                  hour= (new Date()).getHours();                  min=(new Date()).getMinutes();                  sec=(new Date()).getSeconds();                  totalTime=hour*3600+min*60+sec;                  startJButton.setEnabled(false);                  quanJButton.setEnabled(true);                  secondButton.setEnabled(true);                  flag=false;              }              //if(!flag){                  int xhour=new Date().getHours();           //获得此刻小时                  int xmin=new Date().getMinutes();          //获得此刻分钟                  int xSec=new Date().getSeconds();          //获得此刻秒                  int xTotalTime=xhour*3600+xmin*60+xSec;    //获取此刻总时间                  int bHour=(xTotalTime-totalTime)/3600;                  int bMin=(xTotalTime-totalTime)%3600/60;                  int bSec=(xTotalTime-totalTime)%3600%60;                  //quanJButton                  if(e.getSource()==quanJButton){                      resultTimeText.append("第"+(i++)+"圈:"+bHour+":"+bMin+":"+bSec+"\n");                      scrollPane.add(resultTimeText);                      secondButton.setEnabled(false);                  }//quanJButton                  //secondButton                  if(e.getSource()==secondButton){                      resultTimeText.append(bHour+":"+bMin+":"+bSec+"\n");                      scrollPane.add(resultTimeText);                      quanJButton.setEnabled(false);                  }//secondButton                  //stopJButton                  if(e.getSource()==stopJButton){                      if(stopJButton.getText()=="停止"){                          //System.out.println("Test停止");                          hour=0;                          sec=0;                          min=0;                          stopJButton.setText("清除");                          quanJButton.setEnabled(false);                          secondButton.setEnabled(false);                          flag=true;                      }//stopJButton.getText()=="停止"                      else if(stopJButton.getText()=="清除"){                          i=1;                          stopJButton.setText("停止");                          resultTimeText.setText("");                          startJButton.setEnabled(true);                          showTimeJButton.setText("00-00-00");                      }//stopJButton.setText("清除");                  }//stopJButton              }//if(!flag)          //  flag=false;          //}//if(!flag)          public static void main(String args[]){              JFrame jf=new JFrame("Demo");              try{                  UIManager.setLookAndFeel("com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel");              }catch(Exception e){                  e.printStackTrace();              }              TimerCountDemo xCountDemo=new TimerCountDemo();              jf.setBounds(200,200,250,300);              jf.getContentPane().add(xCountDemo);              jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);              jf.setVisible(true);          }      }  

来自：http://blog.csdn.net/carvin_zh/article/details/46509087