Java实现小程序简单五子棋

Java实现小程序简单五子棋

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：

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 * SIZEohzZDF - 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();

}

}

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