Java数字时钟(简单的桌面应用)

import java.util.*;/*****该程序是一个简单的数字时钟,每变化一秒，颜色随机变色,可以系统托盘,最大的特点是可以和桌面形成一体，也就是容纳这个数字时钟的窗体可以看成是透明的***********/import javax.swing.*;import java.awt.*;import java.awt.event.*;import java.awt.image.BufferedImage;public class app509 extends JFrame{static int i=-1,geli=-1;/*这一部分是系统托盘图标的文件路径，可以自己设置，只要路径正确即可，可以是gif,jpg,png格式*/static Image image=Toolkit.getDefaultToolkit().getImage("D:1\\3.png");static SystemTray systemTray=SystemTray.getSystemTray();static PopupMenu pop01=new PopupMenu();static MenuItem MI01=new MenuItem("打开主程序");static MenuItem MI02=new MenuItem("退出程序");static MenuItem MI03=new MenuItem("隐藏");static TrayIcon trayIcon=new TrayIcon(image,"这是程序图标",pop01);static JLabel beijingtu=new JLabel();static JLabel xingqi=new JLabel(" ",JLabel.CENTER);static JLabel jlabel02=new JLabel("年",JLabel.CENTER);static JLabel jlabel03=new JLabel("月",JLabel.CENTER);static JLabel jlabel04=new JLabel("日",JLabel.CENTER);static JLabel jlabel05=new JLabel("分",JLabel.CENTER);static JLabel jlabel10=new JLabel("时",JLabel.CENTER);static JLabel jlabel12=new JLabel("分",JLabel.CENTER);static JLabel jlabel13=new JLabel("秒",JLabel.CENTER);static JLabel jlabel06=new JLabel(" ",JLabel.CENTER);static JLabel jlabel07=new JLabel(" ",JLabel.CENTER);static JLabel jlabel08=new JLabel(" ",JLabel.CENTER);static JLabel jlabel09=new JLabel(" ",JLabel.CENTER);static JLabel jlabel11=new JLabel(" ",JLabel.CENTER);static JLabel jlabel=new JLabel(" ",JLabel.CENTER);static JLabel jbData[]={jlabel13,jlabel02,jlabel03,jlabel04,jlabel10,jlabel12};static JLabel jbData02[]={jlabel,jlabel07,jlabel08,jlabel09,jlabel11,jlabel06};static int mill=0;static int minute=0;static int hour=0;static int day=0;static int month=0;static int year=0;static int week;static int zuobiaoX,zuobiaoY;static JFrame JF01=new JFrame();static JDialog JF=new JDialog(JF01," ");static Robot robot;static BufferedImage image1;static Rectangle rec;static class mouseListener extends MouseAdapter{public void mouseClicked(MouseEvent a){if(a.getSource()==trayIcon){if(a.getClickCount()==2){i++;if(i%2==1){geli++;if(geli%2==1){image1=robot.createScreenCapture(rec);beijingtu.setIcon(new ImageIcon(image1));JF.setBounds(0,0,120,560);JF.setVisible(true);}}else{JF.setBounds(0,0,400,1);}}}}public void mouseEntered(MouseEvent a){if(a.getSource()==JF){image1=robot.createScreenCapture(rec);beijingtu.setIcon(new ImageIcon(image1));JF.setBounds(0,0,120,560);JF.setVisible(true);}}public void mouseExited(MouseEvent a){if(a.getSource()==JF){JF.setBounds(0,0,400,1);}}}public static void main(String args[]) throws Exception{trayIcon.addMouseListener(new mouseListener());rec=new Rectangle(0,0,(int)Toolkit.getDefaultToolkit().getScreenSize().getWidth(),(int)Toolkit.getDefaultToolkit().getScreenSize().getHeight());try{robot=new Robot(); }catch(Exception b){}image1=robot.createScreenCapture(rec);beijingtu.setIcon(new ImageIcon(image1));MI01.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent a){Image1=robot.createScreenCapture(rec);beijingtu.setIcon(new ImageIcon(image1));JF.setBounds(0,0,120,560);JF.setVisible(true);}});MI03.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent a){JF.setBounds(0,0,400,1);}});MI02.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent a){System.exit(0);}});try{pop01.add(MI01);pop01.add(MI03);pop01.add(MI02);systemTray.add(trayIcon);trayIcon.setImageAutoSize(true);trayIcon.addMouseListener(new mouseListener());}catch(Exception a){} JF.setResizable(false) ;JF.addMouseListener(new mouseListener());JF.setUndecorated(true);beijingtu.setBounds(0,0,(int)Toolkit.getDefaultToolkit().getScreenSize().getWidth(),(int)Toolkit.getDefaultToolkit().getScreenSize().getHeight());JF.setLayout(null);JF.setBounds(0,0,120,560);JF.setVisible(true);jlabel02.setBounds(91,94,24,25);jlabel06.setBounds(15,94,64,28);jlabel03.setBounds(91,175,24,25);jlabel07.setBounds(2,125,86,75);jlabel04.setBounds(91,261,24,25);jlabel08.setBounds(2,210,86,75);jlabel10.setBounds(91,346,24,25);jlabel09.setBounds(2,296,86,75);jlabel11.setBounds(2,382,86,75);jlabel12.setBounds(91,433,24,25);jlabel13.setBounds(91,520,24,25);jlabel.setBounds(2,468,86,75);xingqi.setBounds(2,30,118,62);JF.add(xingqi);xingqi.setHorizontalTextPosition(JLabel.CENTER);xingqi.setFont(new Font("微软雅黑",Font.BOLD,20));for(int i=0;i<jbData.length;i++){JF.add(jbData[i]);JF.add(jbData02[i]);}for(int i=0;i<jbData.length;i++){jbData[i].setFont(new Font("微软雅黑",Font.BOLD,15));jbData02[i].setFont(new Font("微软雅黑",Font.BOLD,30));}jlabel06.setFont(new Font("微软雅黑",Font.BOLD,15));for(int i=0;i<jbData.length;i++){jbData[i].setForeground(Color.blue);jbData02[i].setForeground(Color.red);}for(int i=0;i<jbData.length;i++){jbData[i].setHorizontalTextPosition(JLabel.CENTER);jbData02[i].setHorizontalTextPosition(JLabel.CENTER);}jlabel02.setHorizontalTextPosition(JLabel.RIGHT);JF.add(beijingtu);xiancheng xiancheng01=new xiancheng();xiancheng01.start();}}class xiancheng extends Thread{static GregorianCalendar date=new GregorianCalendar();app509 app=new app509();public void run(){for(int i=0;i<60;){try{sleep(1000);}catch(Exception a){}app.year=(date=new GregorianCalendar()).get(date.YEAR);app.jlabel06.setText(Integer.toString(app.year));app.month=((date=new GregorianCalendar()).get(date.MONTH)+1);app.jlabel07.setText(Integer.toString(app.month));app.day=(date=new GregorianCalendar()).get(date.DAY_OF_MONTH);app.jlabel08.setText(Integer.toString(app.day));app.week=(date=new GregorianCalendar()).get(date.DAY_OF_WEEK);app.hour=(date=new GregorianCalendar()).get(date.HOUR_OF_DAY);app.jlabel09.setText(Integer.toString(app.hour));app.minute=(date=new GregorianCalendar()).get(date.MINUTE);app.jlabel11.setText(Integer.toString(app.minute));l=(date=new GregorianCalendar()).get(date.SECOND);app.jlabel.setText(Integer.toString(l));if(app.jlabel.getText()!=" "){app.xingqi.setForeground(new Color((int)(255*Math.random()),(int)(255*Math.random()),(int)(255*Math.random())));for(int j=0;j<app.jbData.length;j++){app.jbData[j].setForeground(new Color((int)(255*Math.random()),(int)(255*Math.random()),(int)(255*Math.random())));app.jbData02[j].setForeground(new Color((int)(255*Math.random()),(int)(255*Math.random()),(int)(255*Math.random())));}} switch(app.week){case 1 : app.xingqi.setText("星期日");break;case 2 : app.xingqi.setText("星期一");break;case 3 : app.xingqi.setText("星期二");break;case 4 : app.xingqi.setText("星期三");break;case 5 : app.xingqi.setText("星期四");break;case 6 : app.xingqi.setText("星期五");break;case 7 : app.xingqi.setText("星期六");break;}System.gc();}}}/****复制以上代码进行编译即可*****/程序效果图：。