LED显示模拟（java的GUI显示）

//先上效果图，每一秒改变一次颜色

//这个小程序生成的jar包下载地址：http://pan.baidu.com/s/1sjFj9ST

下面上源代码：

//1.color.java

package com.huowolf;

import java.awt.Color;

 enum color{
	red(Color.RED), orange(Color.ORANGE),yellow(Color.YELLOW),
	green(Color.GREEN),gray(Color.GRAY),blue(Color.BLUE),
	pink(Color.pink),black(Color.BLACK);
	
	private Color c;
	
	
	private color(Color c)
	{
		this.c = c;
	}
	
	public Color getMyColor() {
		return c;
	}
}

package com.huowolf;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;

public class LEDFrame extends JFrame {
	
	private static final long serialVersionUID = 1L;
	
	public  JTextField tf;
	public  JButton bt;
	public  JPanel p;
	public 	String num;
	LEDCanvas canvas = new LEDCanvas(this);
	
	public LEDFrame() {
		setTitle("LED显示模拟");
		setLocation(100,150);
		setSize(900,400);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
		setLayout(new BorderLayout());		
		add(canvas,BorderLayout.CENTER);
		
		setVisible(true); 		
	}
	

	private  void init() {
		p = new JPanel();
		add(p,BorderLayout.NORTH);
		
		JLabel l = new JLabel("请输入你要生成的数字串：");
		l.setHorizontalAlignment(JLabel.LEFT);
		p.add(l);
		tf = new JTextField(10);
		p.add(tf);
		bt = new JButton("确定");
		p.add(bt);
		pack();
	}
	
	
	public  String getTF() {		
		bt.addActionListener(new ActionListener() {	
		//final String s;
			@Override
			public void actionPerformed(ActionEvent e) {
				 num= tf.getText();
				 //tf.setText("");
				 canvas.repaint();
			}		

		});
		return num;
}
	public static void main(String[] args) {
		 new LEDFrame().init();
	}
}

package com.huowolf;

import java.awt.Canvas;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Random;
import javax.swing.Timer;


public class LEDCanvas extends Canvas {


	private static final long serialVersionUID = 7922500886L;
	int [][]data=null;
	LEDFrame LEDf = null;
	
	public Timer timer;
	public Color c;
	
	public LEDCanvas(LEDFrame f)
	{
		this.LEDf = f;
		
		ActionListener listener = new TimerListener();
		timer  = new Timer(1000,listener);
		timer.start();
	}
	
	class TimerListener implements  ActionListener {

		@Override
		public void actionPerformed(ActionEvent e) {
			c = ColorValue();	
			repaint(1000);
		}
		
	}
	
	public void paint(Graphics g){
		Font f=new Font("宋体",Font.BOLD,25); 
		g.setFont(f);
		g.setColor(c);
		
		String str = LEDf.getTF();
		int pos=20;
		for(int k=0;str!=null && k<str.length();k++)
		{
					char ch = str.charAt(k);
					print(ch);
					int y =10;
					for(int i=0;i<data.length;i++)
					{		
						int x =pos;
						x+=20;
						for(int j=0;j<data[i].length;j++)
						{
							//System.out.print(data[i][j]);
							if(data[i][j]== 1)
							{
								g.fillOval(x,y, 12, 16);
							}
							x+=15;
						}
						//System.out.println();
						y += 25;
					}
				pos+=100;	
		}	
	}
	
	public Color ColorValue(){
		Random random = new Random();
		int r = random.nextInt(color.values().length);
		
		color c = null;
		for(color c1 : color.values()) {
			if(c1.ordinal() == r)
			{
				//System.out.println(c1.getMyColor());
				c = c1;
				break;
			}
				
		}
		return  c.getMyColor();
	}
	
	
	public void print (char c)
	{
		if('0'==c) {
			data = new int[][] {{1,1,1,1,1,},     
				 				{1,0,0,0,1,},
				 				{1,0,0,0,1,},
				 				{1,0,0,0,1,},
				 				{1,1,1,1,1,}
							   };
		}
		if('1'==c)
		{
			data = new int[][] {{0,0,0,1,0,},     
						 		{0,0,0,1,0,},
						 		{0,0,0,1,0,},
						 		{0,0,0,1,0,},
						 		{0,0,0,1,0,}
								};
		}
		
		if('2'==c)
		{
			data = new int[][] {{1,1,1,1,1,},     
						 		{0,0,0,0,1,},
						 		{1,1,1,1,1,},
						 		{1,0,0,0,0,},
						 		{1,1,1,1,1,}
								};
		}
			
		if('3'==c)
		{
			data = new int[][] {{1,1,1,1,1,},  
								{0,0,0,0,1,},
								{1,1,1,1,1,},
								{0,0,0,0,1,},
								{1,1,1,1,1,}
								};
		}
		if('4'==c)
		{
			data = new int[][] {{1,0,0,0,1},
							    {1,0,0,0,1},
							    {1,1,1,1,1,},
							    {0,0,0,0,1,},
							    {0,0,0,0,1,}
								};
		}
		if('5'==c)
		{
			data = new int[][] {{1,1,1,1,1,},
								{1,0,0,0,0,},
								{1,1,1,1,1,},
								{0,0,0,0,1,},
								{1,1,1,1,1,}
								};
		}
		if('6'==c)
		{
			data = new int[][] {{1,1,1,1,1,},
								{1,0,0,0,0,},
								{1,1,1,1,1,},
								{1,0,0,0,1,},
								{1,1,1,1,1,}
								};
		}
		if('7'==c)
		{
			data = new int[][] {{1,1,1,1,1,},
								{0,0,0,0,1,},
								{0,0,0,0,1,},
								{0,0,0,0,1,},
								{0,0,0,0,1,}
								};

		}
		if('8'==c)
		{
			data = new int[][] {{1,1,1,1,1,},
								{1,0,0,0,1,},
								{1,1,1,1,1,},
								{1,0,0,0,1,},
								{1,1,1,1,1,}
								};
		}
		if('9'==c)
		{
			data = new int[][] {{1,1,1,1,1,},
								{1,0,0,0,1,},
								{1,1,1,1,1,},
								{0,0,0,0,1,},
								{1,1,1,1,1,}
								};
		}
	}

}