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云代码 - java代码库

棋盘界面

2017-12-25 作者： 柯侧耳倾听者举报

[java]代码库

package day04;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.imageio.*;
import java.io.*;
public class Gobang
{
	BufferedImage table;
	BufferedImage black;
	BufferedImage white;
	BufferedImage selected;
	private static int BOARD_SIZE = 15;
	private final int TABLE_WIDTH = 535;
	private final int TABLE_HETGHT = 536;
	private final int RATE = TABLE_WIDTH / BOARD_SIZE;
	private final int X_OFFSET = 5;
	private final int Y_OFFSET = 6;
	private String[][] board = new String[BOARD_SIZE][BOARD_SIZE];
	JFrame f = new JFrame("五子棋游戏");
	ChessBoard chessBoard = new ChessBoard();
	private int selectedX = -1;
	private int selectedY = -1;
	public void init()throws Exception
	{
		table = ImageIO.read(new File("image/board.jpg"));
		black = ImageIO.read(new File("image/black.gif"));
		white = ImageIO.read(new File("image/white.gif"));
		selected = ImageIO.read(new File("image/selected.gif"));
		for (int i = 0 ; i < BOARD_SIZE ; i++)
		{
			for ( int j = 0 ; j < BOARD_SIZE ; j++)
			{
				board[i][j] = "╋";
			}
		}
		chessBoard.setPreferredSize(new Dimension(
			TABLE_WIDTH , TABLE_HETGHT));
		chessBoard.addMouseListener(new MouseAdapter()
		{
			public void mouseClicked(MouseEvent e)
			{
				int xPos = (int)((e.getX() - X_OFFSET) / RATE);
				int yPos = (int)((e.getY() - Y_OFFSET ) / RATE);
				board[xPos][yPos] = "●";
				chessBoard.repaint();
			}
			public void mouseExited(MouseEvent e)
			{
				selectedX = -1;
				selectedY = -1;
				chessBoard.repaint();
			}
		});
		chessBoard.addMouseMotionListener(new MouseMotionAdapter()
		{
			public void mouseMoved(MouseEvent e)
			{
				selectedX = (e.getX() - X_OFFSET) / RATE;
				selectedY = (e.getY() - Y_OFFSET) / RATE;
				chessBoard.repaint();
			}
		});
		f.add(chessBoard);
		f.pack();
		f.setVisible(true);
	}
	public static void main(String[] args)throws Exception
	{
		Gobang gb = new Gobang();
		gb.init();
	}
	class ChessBoard extends JPanel
	{
		public void paint(Graphics g)
		{
			g.drawImage(table , 0 , 0 , null);
			if (selectedX >= 0 && selectedY >= 0)
				g.drawImage(selected , selectedX * RATE + X_OFFSET ,
			selectedY * RATE + Y_OFFSET, null);
			for (int i = 0 ; i < BOARD_SIZE ; i++)
			{
				for ( int j = 0 ; j < BOARD_SIZE ; j++)
				{
					if (board[i][j].equals("●"))
					{
						g.drawImage(black , i * RATE + X_OFFSET
							, j * RATE + Y_OFFSET, null);
					}
					if (board[i][j].equals("○"))
					{
						g.drawImage(white, i * RATE  + X_OFFSET
							, j * RATE  + Y_OFFSET, null);
					}
				}
			}
		}
	}
}


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