fourclocks.java

一个JAVA编的一个时钟..不同国家的时钟.还有国家的国旗

        g.drawLine(xcenter3, ycenter3-1, clockxh3, clockyh3);
        g.drawLine(xcenter3-1, ycenter3, clockxh3, clockyh3);//3end
        
        //---------------------------第四个钟-----------------------
        
        g.setColor(handColor4);
        g2d.setStroke(new BasicStroke( 4.0f ) ); 
        g.drawArc(xcenter4-55, ycenter4-55, 110, 110, 0, 360);
        g2d.setStroke(new BasicStroke( 2.0f ) ); 
        g.setColor(numberColor);
        g.drawString("9", xcenter4-45, ycenter4+3); 
        g.drawString("3", xcenter4+40, ycenter4+3);
        g.drawString("12", xcenter4-5, ycenter4-37);
        g.drawString("6", xcenter4-3, ycenter4+45);

        g.setColor(numberColor);
        g.drawString(lastdate4, 175, 420);    
        g.drawLine(xcenter4, ycenter4, clockxs4, clockys4);
        g.setColor(handColor);
        g.drawLine(xcenter4, ycenter4-1, clockxm4, clockym4);
        g.drawLine(xcenter4-1, ycenter4, clockxm4, clockym4);
        g.drawLine(xcenter4, ycenter4-1, clockxh4, clockyh4);
        g.drawLine(xcenter4-1, ycenter4, clockxh4, clockyh4);// 4end
        
        //----------------按钮按下后的时间信息-------------------
        
        g.setColor(numberColor);
        g.setFont( new Font( "Serif", Font.BOLD, 30 ) );
        g.drawString( date, 50, 450 );
	}
	
	public void start()
	{
		timer.start();
	}
	
	public void run()
	{
		
		try
		{
			while(true)
			{
				if(Thread.currentThread()==timer)
				{
			        int s = 0, m = 10, h = 10;
			        
			        //------------------------第一个钟----------------------
			
			        currentDate = new Date();
			        
			        formatter.applyPattern("s");
			        try {
			            s = Integer.parseInt(formatter.format(currentDate)); //取得秒的数值
			        } catch (NumberFormatException n) {
			            s = 0;
			        }
			        formatter.applyPattern("m");
			        try {
			            m = Integer.parseInt(formatter.format(currentDate)); //取得分钟的数值
			        } catch (NumberFormatException n) {
			            m = 10;
			        }    
			        formatter.applyPattern("h");
			        try {
			            h = Integer.parseInt(formatter.format(currentDate)); //取得小时的数值
			        } catch (NumberFormatException n) {
			            h = 10;
			        }
			        clockxs = (int) (Math.cos(s * Math.PI / 30 - Math.PI / 2) * 45 + xcenter);
			        clockys = (int) (Math.sin(s * Math.PI / 30 - Math.PI / 2) * 45 + ycenter);//计算秒针除了圆心以外的那点的坐标
			        clockxm = (int) (Math.cos(m * Math.PI / 30 - Math.PI / 2) * 40 + xcenter);
			        clockym = (int) (Math.sin(m * Math.PI / 30 - Math.PI / 2) * 40 + ycenter);//计算分针除了圆心以外的那点的坐标
			        clockxh = (int) (Math.cos((h*30 + m / 2) * Math.PI / 180 - Math.PI / 2) * 30
			                   + xcenter);
			        clockyh = (int) (Math.sin((h*30 + m / 2) * Math.PI / 180 - Math.PI / 2) * 30
			                   + ycenter);													//计算时针除了圆心以外的那点的坐标
			    
			         //设置时钟下方的数字时钟的格式
			        formatter.applyPattern("                             MMM dd日 HH:mm:ss ");
			        lastdate = formatter.format(currentDate);
			        
			        if( datenum == 1 ) //如果按钮要求是此时间 则刷新程序下方的时间信息
			        {
			        	formatter.applyPattern(" yyyy MMM dd EEE HH:mm:ss "); 
			        	date = formatter.format(currentDate);
			        }
			        
			        
			        //---------------------------第二个钟----------------------------------
			        
					formatter2.applyPattern("s");
			        try {
			            s = Integer.parseInt(formatter2.format(currentDate));
			        } catch (NumberFormatException n) {
			            s = 0;
			        }
			        formatter2.applyPattern("m");
			        try {
			            m = Integer.parseInt(formatter2.format(currentDate));
			        } catch (NumberFormatException n) {
			            m = 10;
			        }    
			        formatter2.applyPattern("h");
			        try {
			            h = Integer.parseInt(formatter2.format(currentDate));
			        } catch (NumberFormatException n) {
			            h = 10;
			        }
			    
			        // Set position of the ends of the hands
			        clockxs2 = (int) (Math.cos(s * Math.PI / 30 - Math.PI / 2) * 45 + xcenter2);
			        clockys2 = (int) (Math.sin(s * Math.PI / 30 - Math.PI / 2) * 45 + ycenter2);
			        clockxm2 = (int) (Math.cos(m * Math.PI / 30 - Math.PI / 2) * 40 + xcenter2);
			        clockym2 = (int) (Math.sin(m * Math.PI / 30 - Math.PI / 2) * 40 + ycenter2);
			        clockxh2 = (int) (Math.cos((h*30 + m / 2) * Math.PI / 180 - Math.PI / 2) * 30
			                   + xcenter2);
			        clockyh2 = (int) (Math.sin((h*30 + m / 2) * Math.PI / 180 - Math.PI / 2) * 30
			                   + ycenter2);
			    
			        // Get the date to print at the bottom
			        formatter2.applyPattern("                                                       MMM dd日 HH:mm:ss ");
			        lastdate2 = formatter2.format(currentDate);
			        
			        if( datenum == 2 )
			        {
			        	formatter2.applyPattern(" yyyy MMM dd EEE HH:mm:ss ");
			        	date = formatter2.format(currentDate);
			        }
			        
			        //----------------------------第三个钟------------------------------
			        
			        formatter3.applyPattern("s");
			        try {
			            s = Integer.parseInt(formatter3.format(currentDate));
			        } catch (NumberFormatException n) {
			            s = 0;
			        }
			        formatter3.applyPattern("m");
			        try {
			            m = Integer.parseInt(formatter3.format(currentDate));
			        } catch (NumberFormatException n) {
			            m = 10;
			        }    
			        formatter3.applyPattern("h");
			        try {
			            h = Integer.parseInt(formatter3.format(currentDate));
			        } catch (NumberFormatException n) {
			            h = 10;
			        }
			    
			        // Set position of the ends of the hands
			        clockxs3 = (int) (Math.cos(s * Math.PI / 30 - Math.PI / 2) * 45 + xcenter3);
			        clockys3 = (int) (Math.sin(s * Math.PI / 30 - Math.PI / 2) * 45 + ycenter3);
			        clockxm3 = (int) (Math.cos(m * Math.PI / 30 - Math.PI / 2) * 40 + xcenter3);
			        clockym3 = (int) (Math.sin(m * Math.PI / 30 - Math.PI / 2) * 40 + ycenter3);
			        clockxh3 = (int) (Math.cos((h*30 + m / 2) * Math.PI / 180 - Math.PI / 2) * 30
			                   + xcenter3);
			        clockyh3 = (int) (Math.sin((h*30 + m / 2) * Math.PI / 180 - Math.PI / 2) * 30
			                   + ycenter3);
			    
			        // Get the date to print at the bottom
			        formatter3.applyPattern("                                 MMM dd日 HH:mm:ss ");
			        lastdate3 = formatter3.format(currentDate);
			        
			        if( datenum == 3 )
			        {
			        	formatter3.applyPattern(" yyyy MMM dd EEE HH:mm:ss ");
			        	date = formatter3.format(currentDate);
			        }
			        
			        //----------------------------------第四个钟---------------------
			        
			        formatter4.applyPattern("s");
			        try {
			            s = Integer.parseInt(formatter4.format(currentDate));
			        } catch (NumberFormatException n) {
			            s = 0;
			        }
			        formatter4.applyPattern("m");
			        try {
			            m = Integer.parseInt(formatter4.format(currentDate));
			        } catch (NumberFormatException n) {
			            m = 10;
			        }    
			        formatter4.applyPattern("h");
			        try {
			            h = Integer.parseInt(formatter4.format(currentDate));
			        } catch (NumberFormatException n) {
			            h = 10;
			        }
			    
			        // Set position of the ends of the hands
			        clockxs4 = (int) (Math.cos(s * Math.PI / 30 - Math.PI / 2) * 45 + xcenter4);
			        clockys4 = (int) (Math.sin(s * Math.PI / 30 - Math.PI / 2) * 45 + ycenter4);
			        clockxm4 = (int) (Math.cos(m * Math.PI / 30 - Math.PI / 2) * 40 + xcenter4);
			        clockym4 = (int) (Math.sin(m * Math.PI / 30 - Math.PI / 2) * 40 + ycenter4);
			        clockxh4 = (int) (Math.cos((h*30 + m / 2) * Math.PI / 180 - Math.PI / 2) * 30
			                   + xcenter4);
			        clockyh4 = (int) (Math.sin((h*30 + m / 2) * Math.PI / 180 - Math.PI / 2) * 30
			                   + ycenter4);
			    
			        // Get the date to print at the bottom
			        formatter4.applyPattern("                                                        MMM dd日 HH:mm:ss ");
			        lastdate4 = formatter4.format(currentDate);
			        
			        if( datenum == 4 )
			        {
			        	formatter4.applyPattern(" yyyy MMM dd EEE HH:mm:ss ");
			        	date = formatter4.format(currentDate);
			        }
			        
			        currentDate = null;
					
					repaint();//重画
					
					Thread.sleep( 1000 );//延迟一秒
				}	
			}
		}
		catch(InterruptedException e){}
	}
	
	public static void main(String args[])
	{
		FourClocks c = new FourClocks();
		
		c.start();
	}
}