game.java

学java 时 自己做的一个小的扫雷程序

// This is a MiniMinesweeper programme
 
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

/**Game class*/
public class Game extends JFrame
{  
  //creat nine buttons
   JButton[] button = new JButton[9];
   int num=0;
   //set a random number
   int x = (int)(Math.random()*9);


   public Game()
   {
      //Set FlowLayout manager to arrange the components inside the frame
      Container container = getContentPane();
      container.setLayout(new GridLayout(3,3,0,0));
      
      for (int i = 0; i < 9; i++)
      {
         //add button to the frame
         button[i] = new JButton();
         container.add(button[i]);
      }
     //creat a listener object
      ButtonListener1 Listener1 = new ButtonListener1();
      for (int j = 0; j < 9; j++){
    	  //register listener
          button[j].addActionListener(Listener1);}    
    
      
      ButtonListener2 Listener2 = new ButtonListener2();
      
      button[x].addActionListener(Listener2);
      
   }

   class ButtonListener1 implements ActionListener
   {
   /**This method will be invoked when you did not click the bomb*/
	   public void actionPerformed(ActionEvent e)
	      {
                 num++;

		   ((JButton)(e.getSource())).setBackground(Color.white);
	         
	         if(num == 8){
	         int option = JOptionPane.showConfirmDialog(new JFrame(), "You win!Would you like to play again?","", 0,1); 
	         switch (option){
	         case(0):
	            {Game frame = new Game();
	        
	            frame.setTitle("Game!");
	            frame.setVisible(true);
	            frame.setSize(250,250);
	            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	            break;
	            }
	         case(1):
	         {System.exit(0);}}
	      }
	   }
   }
   
   
   
   
   class ButtonListener2 implements ActionListener
   {
/**This method will be invoked when a bomb is clicked*/
      public void actionPerformed(ActionEvent e)
      {  
         button[x].setBackground(Color.black);                
         int option = JOptionPane.showConfirmDialog(new JFrame(),"BOOoom!!!Would you like to play again?","",0,1);
         switch (option){
         case (0):
         {
            Game frame = new Game();
            frame.setTitle("Game!");
            frame.setVisible(true);
            frame.setSize(250,250);
            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         break;}
         case(1):
         {System.exit(0);}
      }
         }
   }
   
   
    /**main method */
   public static void main(String[] args)
   {
      JOptionPane.showMessageDialog(null,"Welcome to Mini-MineSweeper!\n"
    		  +"The object of the game os to click on all\n"
    		  +"the squares EXCEPT the one with the bomb.\n"
    		  +"(There is only one bomb). To choose a square\n"
    		  +" to display please simply click onthe square.","Message",JOptionPane.INFORMATION_MESSAGE);
      Game frame = new Game();
     
      frame.setTitle("Game!");
      frame.setVisible(true);
      frame.setSize(250,250);
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   
   }
}