gridpanel.java

仿照电话键盘的模式

//******************************************************************
//GridPanel.java                         Author:lsh
//
//
//******************************************************************
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class  GridPanel extends JPanel
{
	    public JButton b1=new JButton("1");
		public JButton b2=new JButton("2");
		public JButton b3=new JButton("3");
		public JButton b4=new JButton("4");
		public JButton b5=new JButton("5");
		public JButton b6=new JButton("6");
		public JButton b7=new JButton("7");
		public JButton b8=new JButton("8");
		public JButton b9=new JButton("9");
		public JButton b10=new JButton("*");
		public JButton b11=new JButton("0");
		public JButton b12=new JButton("#");
		
	public GridPanel()
	{
		setLayout(new GridLayout(4,3));
		setBackground(Color.cyan);
		
		add(b1);
		add(b2);
		add(b3);
		add(b4);
		add(b5);
		add(b6);
		add(b7);
		add(b8);
		add(b9);
		add(b10);
		add(b11);
		add(b12);
        
	}

}