作者：未知 来源：月光软件站 加入时间：2005-2-28　月光软件站

自定义JButton子类:

//ExtendButton.java

package ly.java;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class ExtendButton extends JButton
{
 private int Button_Pos;
 private boolean Button_Status;
 private boolean Button_Visited;

 public int SetPostion(int pos)
 {
  this.Button_Pos = (pos >= 0 && pos <= 81) ? pos : 0;
  return this.Button_Pos ;
 } 
 public int GetPostion()
 {
  return this.Button_Pos;
 }
 public boolean SetStatus(boolean sta)
 {
  this.Button_Status = sta;
  return this.Button_Status;
 }
 public boolean GetStatus()
 {
  return this.Button_Status;
 }
 public boolean Visited()
 {
  return this.Button_Visited;
 }
 public boolean SetVisited(boolean vis)
 {
  this.Button_Visited = vis;
  return this.Button_Visited;
 }
}

游戏类

//Game.java

package ly.java.game;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import ly.java.ExtendButton;

public class Game extends JFrame implements ActionListener{
 private Container myContainer;
 private GridLayout myLayout;
 ExtendButton[] myButton = new ExtendButton[81];
 
 private Game()
 {
  this.setTitle("Game");
  this.setSize( 500,500 );
  this.InitButton();
 }
 
 private void InitButton()
 {
  myContainer = getContentPane();
  myLayout = new GridLayout( 9, 9, 1, 1 );
  myContainer.setLayout( myLayout ); 
  for(int i=0; i < 81; i++)
  {
   myButton[i] = new ExtendButton();
   myButton[i].SetPostion(i);
   myContainer.add(myButton[i]);
   myButton[i].addActionListener( this );
  }
  System.gc();
  this.SetBomb(13);
  show();
 }
 
 private void SetBomb(int count)
 {
  int counter = 0;
  int tempint;
  while(counter != count)
  {
   tempint = ( int )(Math.random() * 81);
   if(!myButton[tempint].GetStatus())
   {
    myButton[tempint].SetStatus(true);
    counter++;
   }
  }
 }
 
 private void ShowBomb()
 {
  for(int i = 0; i < 81; i++)
  {
   if(myButton[i].GetStatus())
   {
    myButton[i].setBackground( new Color(0,0,0) );
   }
  }
 }
 
 private void CheckButton(ExtendButton TempButton)
 {  
 
  if(TempButton.GetStatus())
  {
   JOptionPane.showMessageDialog( null, "You Failed!", "Game",JOptionPane.INFORMATION_MESSAGE );
   this.ShowBomb();
   return;
  }
  int[] CircleNum = new int[8];
  int temp = 0;
  if(!TempButton.Visited())
  {

   CircleNum[0] = TempButton.GetPostion() - 9;
   CircleNum[0] = (CircleNum[0] < 0) ? -1 : CircleNum[0];
   CircleNum[1] = TempButton.GetPostion() - 8;
   CircleNum[1] = (CircleNum[1] < 0 || CircleNum[1] % 9 == 0) ? -1 : CircleNum[1];
   CircleNum[2] = TempButton.GetPostion() + 1;
   CircleNum[2] = (CircleNum[2] % 9 == 0) ? -1 : CircleNum[2];
   CircleNum[3] = TempButton.GetPostion() + 10;
   CircleNum[3] = (CircleNum[3] > 80 || CircleNum[3] % 9 == 0) ? -1 : CircleNum[3];
   CircleNum[4] = TempButton.GetPostion() + 9;
   CircleNum[4] = (CircleNum[4] > 80) ? -1 : CircleNum[4];
   CircleNum[5] = TempButton.GetPostion() + 8;
   CircleNum[5] = (CircleNum[5] > 80 || CircleNum[5] % 8 == 0) ? -1 : CircleNum[5];
   CircleNum[6] = TempButton.GetPostion() - 1;
   CircleNum[6] = (CircleNum[6] % 8 == 0) ? -1 : CircleNum[6];
   CircleNum[7] = TempButton.GetPostion() - 10;
   CircleNum[7] = (CircleNum[7] < 0 || CircleNum[7] % 8 == 0) ? -1 : CircleNum[7];
   for(int i = 0; i < 8; i++)
   {
    if(CircleNum[i] != -1)
    {
     if(myButton[CircleNum[i]].GetStatus() && !myButton[CircleNum[i]].Visited()) temp++;
    }
   }
   if(temp > 0)
   {
    TempButton.SetVisited( true );
    TempButton.setText( String.valueOf(temp) );
    temp = 0;
   }
   else if(temp == 0)
   {
    TempButton.SetVisited( true );
    TempButton.setBackground(new Color( 125,152,0 ));
    for(int i = 0; i < 8; i++)
    {
     if(CircleNum[i] != -1 && !myButton[CircleNum[i]].Visited())
     {
      CheckButton(myButton[CircleNum[i]]);
     }
    }
   }
  }
 }
 
 public void actionPerformed(ActionEvent e)
 {
  CheckButton((ExtendButton)e.getSource());
 }
  
 public static void main(String[] args)
 {
  Game newGame = new Game();
  newGame.addWindowListener(
   new WindowAdapter(){
    public void windowClosing( WindowEvent e )
    {
     System.exit(0);
    }
   }
  );
 }
}

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