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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

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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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