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1、importjava.awt.BasicStroke;importjava.awt.Color;importjava.awt.Container;importjava.awt.Font;importjava.awt.Graphics;importjava.awt.Graphics2D;importjava.awt.geom.Line2D;importjava.util.Calendar;importjava.util.GregorianCalendar;importjavax.swing.JFrame
2、;importjavax.swing.JLabel;importjavax.swing.JPanel;publicclassclock1extendsJFrame{privatestaticfinallongserialVersionUID=1L;ints,m,h,r=110,mr=80,hr=60;//秒,分,时,秒钟长,分针长,时针长intcx=200,cy=166;//中心点jpmainmybp;//jpmain,jph,jpm,jps是自定义的面板类,yh,mym,mys是其实例jphmyh;
3、jpmmym;jpsmys;staticssts;//ss,mm,hh是三个自定义线程,ts,tm,th是其实例staticmmtm;statichhth;publicvoidgettime()//获得当前时间{GregorianCalendarmytime=newGregorianCalendar();s=mytime.get(Calendar.SECOND);m=mytime.get(Calendar.MINUTE);h=mytime.get(Calendar.HOUR_OF_DAY);}publ
4、icclock1(){super("java小时钟");setSize(400,420);setDefaultCloseOperation(EXIT_ON_CLOSE);setVisible(true);setLocationRelativeTo(null);setLayout(null);Containerct=getContentPane();ct.setBackground(Color.DARK_GRAY);mybp=newjpmain();mybp.setBounds(0,0,400,420)
5、;mybp.setOpaque(false);ct.add(mybp);mys=newjps();mys.setBounds(0,0,400,420);mys.setOpaque(false);ct.add(mys);mym=newjpm();mym.setBounds(0,0,400,420);mym.setOpaque(false);ct.add(mym);myh=newjph();myh.setBounds(0,0,400,420);myh.setOpaque(false);ct.add(myh
6、);}publicstaticvoidmain(String[]args){clock1kk=newclock1();ts=kk.newss();ts.start();tm=kk.newmm();tm.start();th=kk.newhh();th.start();}classjpmainextendsJPanel//表盘(圆环,刻度,数字){publicvoidpaint(Graphicsg){gettime();Graphics2Dg2D=(Graphics2D)g;g.setColor(Col
7、or.WHITE);g2D.setStroke(newBasicStroke(4.0f));g.drawOval(48,14,304,304);//外圆,半径152g.drawOval(66,32,268,268);//内圆,半径134intang=-60,kd=6;g.setFont(newFont("黑体",1,12));//绘制时钟上的12个数字for(inti=1;i<=12;i++){g.drawString(""+i,(int)(143*Math.cos(Math.PI/180*ang)+
8、cx-4),(int)(143*Math.sin(Math.PI/180*ang)+cy+4));ang+=30;}for(intj=0;j<=60;j++){if(j%5==0){g.setColor(Color.BLUE);g.fillOval((int)(134*Math.cos(Math.PI/180*j*kd)+cx-2),(int)(134*Math.sin(Math.PI/180*j*kd)+cy-3),6,6);}else{g.setCo