Java小程序 —— 简单五子棋

本程序适用于java初学者巩固类与对象、事件响应、awt包中各种工具的相关概念以及对逻辑能力的锻炼

需要注意的有：

①要加入java界面的重绘（基本原则）

②由于玩家需要通过鼠标点击，计算机响应出棋子的位置，但却不能保证每次点击都正中棋盘点位，所以要有一定的误差范围

③要保存更新棋盘上的棋子信息，因为棋盘格数是固定的故本例中采取最简单的数组

直接上代码：

分为三个类，同一包下，相信大家都能明白

package Study0326;

public interface WZQConfig {
	/*
	 * 起始位置X
	 */
	public static final int START_X = 60;
	/*
	 * 起始位置Y
	 */
	public static final int START_Y = 60;
	/*
	 * 五子棋盘线条数
	 */
	public static final int H_LINE = 15;
	/*
	 * 五子棋盘竖线条数
	 */
	public static final int V_LINE = 15;
	/*
	 * 五子棋盘格子大小
	 */
	public static final int SIZE = 60;
	/*
	 * 储存棋子的x位置信息
	 */
	public static final int[][] bx = new int[17][17];
}

package Study0326;

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

import javax.swing.JButton;
import javax.swing.JOptionPane;

public class LoginListener implements MouseListener, WZQConfig, ActionListener {
	private int x, y;// 鼠标点击的位置
	private int x1, y1, xx, yy;// 鼠标点击附近格子交点的坐标
	private Graphics g;
	private int a = 0, i = 0, j = 0, count1 = 0;// count统计当前下的棋子数
	private String Str;// 定义全局变量获取按钮上的字符串
	private JButton jbu1, jbu2;
	private int GetX[] = new int[256];
	private int GetY[] = new int[256];
	WZQFrame ui;

	public void setG(Graphics g) {
		this.g = g;
	}

	public void setT(JButton b) {
		jbu1 = b;
	}

	public void setU(WZQFrame u) {
		ui = u;
	}

	public void mouseClicked(MouseEvent e) {

	}

	public void mousePressed(MouseEvent e) {

	}

	public void mouseReleased(MouseEvent e) {
		x = e.getX();
		y = e.getY();
		x1 = Math.abs(x - START_X);
		y1 = Math.abs(y - START_Y);
		xx = x1 % SIZE;
		if (xx >= SIZE / 2) {
			x1 = (x1 / SIZE) + 2;
		} else {
			x1 = (x1 / SIZE) + 1;
		}

		yy = y1 % SIZE;// 判断横坐标是否超过格子长度的一半（防止玩家点偏）
		if (yy >= SIZE / 2) {
			y1 = (y1 / SIZE) + 2;
		} else {
			y1 = (y1 / SIZE) + 1;
		}

		if ((count1 + 1) % 2 == 1) {// 单数步数时下黑棋，双数时下白棋
			g.setColor(Color.BLACK);
			if (bx[x1][y1] == 0) {
				bx[x1][y1] = 1;// 表示黑棋
				g.fillOval(Math.abs(x1 * SIZE - 25), Math.abs(y1 * SIZE - 25),
						50, 50);
				count1++;// 所下棋子数加一
				GetX[count1] = x1;// 记录第count1步的棋子x值
				GetY[count1] = y1;// 记录第count1步的棋子y值
				if (CheckRow(x1, y1) >= 5) {
					JOptionPane.showMessageDialog(null, "BLACK   WIN!!");
				}
				if (CheckList(x1, y1) >= 5) {
					JOptionPane.showMessageDialog(null, "BLACK   WIN!!");
				}
				if (UpperRight(x1, y1) >= 5) {
					JOptionPane.showMessageDialog(null, "BLACK   WIN!!");
				}
				if (UpperLeft(x1, y1) >= 5) {
					JOptionPane.showMessageDialog(null, "BLACK   WIN!!");
				}
			}
		} else {
			g.setColor(Color.WHITE);
			if (bx[x1][y1] == 0) {
				bx[x1][y1] = 2;// 表示白棋
				g.fillOval(Math.abs(x1 * SIZE - 25), Math.abs(y1 * SIZE - 25),
						50, 50);
				count1++;// 所下棋子数加一
				GetX[count1] = x1;// 记录第count1步的棋子x值
				GetY[count1] = y1;// 记录第count1步的棋子y值
				if (CheckRow(x1, y1) >= 5) {
					JOptionPane.showMessageDialog(null, "WHITE   WIN!!");
				}
				if (CheckList(x1, y1) >= 5) {
					JOptionPane.showMessageDialog(null, "WHITE   WIN!!");
				}
				if (UpperRight(x1, y1) >= 5) {
					JOptionPane.showMessageDialog(null, "WHITE   WIN!!");
				}
				if (UpperLeft(x1, y1) >= 5) {
					JOptionPane.showMessageDialog(null, "WHITE   WIN!!");
				}
			}
		}
	}

	public void actionPerformed(ActionEvent e) {
		setT(jbu1);
		Str = e.getActionCommand();// 读取点击按钮上的字符串
		if ("悔棋".equals(Str)) {
			if (g.getColor() == Color.BLACK) {
				g.setColor(Color.WHITE);
			}
			if (g.getColor() == Color.WHITE) {
				g.setColor(Color.BLACK);
			}
			Regret();
			ui.repaint();
		} else if ("重新开始".equals(Str)) {
			Restart();
			ui.repaint();
		}
	}

	public void mouseEntered(MouseEvent e) {

	}

	public void mouseExited(MouseEvent e) {

	}

	public int CheckRow(int x, int y)// 横着五子连成一条直线
	{
		int count = 0;
		for (int i = x + 1; i < bx.length; i++)// 向右判断是否棋子一样
		{
			if (bx[i][y] == bx[x][y])
				count++;
			else
				break;
		}
		for (int i = x; i >= 0; i--)// 向右判断是否棋子一样
		{
			if (bx[i][y] == bx[x][y])
				count++;
			else
				break;
		}
		return count;
	}

	public int CheckList(int x, int y)// 竖着五子连成一条直线
	{
		int count = 0;
		for (int i = y + 1; i < bx.length; i++)// 向下判断是否棋子一样
		{
			if (bx[x][i] == bx[x][y])
				count++;
			else
				break;
		}
		for (int i = y; i >= 0; i--)// 向上判断是否棋子一样
		{
			if (bx[x][i] == bx[x][y])
				count++;
			else
				break;
		}
		return count;
	}

	public int UpperRight(int x, int y)// 右上到左下五子连成一条直线
	{
		int count = 0;
		for (int i = x + 1, j = y - 1; i < bx.length && j >= 0; i++, j--)// 向下判断是否棋子一样
		{
			if (bx[i][j] == bx[x][y])
				count++;
			else
				break;
		}
		for (int i = x, j = y; i >= 0 && j < bx.length; i--, j++)// 向上判断是否棋子一样
		{
			if (bx[i][j] == bx[x][y])
				count++;
			else
				break;
		}
		return count;
	}

	public int UpperLeft(int x, int y)// 左上到右下五子连成一条直线
	{
		int count = 0;
		for (int i = x - 1, j = y - 1; i >= 0 && j >= 0; i--, j--)// 向下判断是否棋子一样
		{
			if (bx[i][j] == bx[x][y])
				count++;
			else
				break;
		}
		for (int i = x, j = y; i < bx.length && j < bx.length; i++, j++)// 向上判断是否棋子一样
		{
			if (bx[i][j] == bx[x][y])
				count++;
			else
				break;
		}
		return count;
	}

	public void Regret() {// 悔棋
		bx[GetX[count1]][GetY[count1]] = 0;
		if (count1 > 0) {
			count1--;
		}
	}

	public void Restart() {//重新开始
		{
			for (int k = 0; k <= count1; k++) {
				bx[GetX[k]][GetY[k]] = 0;
			}
		}
	}
}

package Study0326;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
/*
 * 五子棋的界面类，该类继承JFrame,然后实现WZQConfig接口
 */
import javax.swing.JPanel;

public class WZQFrame extends JPanel implements WZQConfig {
	public void WZQFrame() {
		// WZQFrame ui = new WZQFrame();
		JFrame jf = new javax.swing.JFrame();
		jf.setTitle("五子棋");
		jf.setDefaultCloseOperation(3);
		jf.setSize(1246, 1080);
		jf.setLocationRelativeTo(null);
		jf.setResizable(false);

		jf.setLayout(new FlowLayout());
		this.setLayout(new FlowLayout());

		this.setPreferredSize(new Dimension(1030, 1080));

		// this.setBackground(Color.CYAN);
		// 把面板对象添加到窗体上
		jf.add(this);
		JPanel jp1 = new JPanel();
		jp1.setPreferredSize(new Dimension(200, 1080));
		jp1.setLayout(new FlowLayout());
		jf.add(jp1);
		LoginListener ll = new LoginListener();
		String[] str = { "悔棋", "重新开始" };
		for (int i = 0; i < str.length; i++) {
			JButton jbu1 = new JButton(str[i]);
			jbu1.setPreferredSize(new Dimension(150, 80));
			jbu1.setFont(new Font("楷体", Font.BOLD,20));//设置字体
			jp1.add(jbu1);
			jbu1.addActionListener(ll);
		}
		
		jf.setVisible(true);

		Graphics g = this.getGraphics();

		this.addMouseListener(ll);

		ll.setG(g);
		ll.setU(this);
	}

	/*
	 * 重写窗体绘制容器的方法
	 */
	public void paint(Graphics g) {
		super.paint(g);

		ImageIcon im2 = new ImageIcon(this.getClass().getResource("2.jpg"));

		g.drawImage(im2.getImage(), 0, 0, 1030, 1080, null);

		for (int i = 1; i < 17; i++) {
			Graphics2D g2 = (Graphics2D) g;
			g2.setStroke(new BasicStroke(4));
			g2.drawLine(START_X, START_Y * i, START_X + SIZE * V_LINE, START_Y
					* i);// 横线
			g2.drawLine(START_X * i, START_Y, START_X * i, START_Y + SIZE
					* V_LINE);// 竖线

			g2.setStroke(new BasicStroke(8));
			// 画边框
			g2.drawLine(35, 35, 990, 35);
			g2.drawLine(35, 990, 990, 990);
			g2.drawLine(35, 35, 35, 990);
			g2.drawLine(990, 35, 990, 990);
		}
		for (int k = 0; k < 17; k++) {
			for (int k1 = 0; k1 < 17; k1++) {
				if (bx[k][k1] == 1) {
					g.setColor(Color.BLACK);
					g.fillOval(Math.abs(k * SIZE - 25),
							Math.abs(k1 * SIZE - 25), 50, 50);

				} else if (bx[k][k1] == 2) {
					g.setColor(Color.WHITE);
					g.fillOval(Math.abs(k * SIZE - 25),
							Math.abs(k1 * SIZE - 25), 50, 50);
				}

			}

		}

	}

	public static void main(String[] args) {
		WZQFrame l = new WZQFrame();
		l.WZQFrame();

	}

}

友情提示：本代码仅适用于或者双人对战(┬＿┬)， 人机对战随后发布~~