Java实践（十二）——中国象棋
一、实践目的：
1.鼠标点击、拖动等事件的应用与区别
2.棋谱文件的保存与读取
3.完善象棋的规则。
二、实践内容：
中国象棋历史悠久，吸引了无数的人研究，现对中国象棋的对战和实现棋谱的制作做如下的设计和说明，供大家参考学习。
1、机机对弈，红方先手。在符合规则的情况下拖动棋子到目的地，松鼠标落子。
人人对弈图
2、制作棋谱，选择制作棋谱菜单后，对弈开始，并记录了下棋过程。
选择“制作棋谱”菜单
棋谱制作完毕红方胜出
一方胜出后弹出胜利消息对话框。点击确定后，选择“保存棋谱”菜单，弹出保存文件对话框。
保存棋谱对话框
3.演示棋谱，选择演示棋谱菜单后，弹出打开对话框，选择保存好的棋谱，开始演示。
演示棋谱对话框
演示棋谱过程（自动和手动两种）
三、参考代码：
1.象棋主类 文件ChineseChess.java
package cn.edu.ouc.chineseChess;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.LinkedList;
/**
* 象棋主类
*
* @author cnlht
*/
public class ChineseChess extends JFrame implements ActionListener {
ChessBoard board = null;
Demon demon = null;
MakeChessManual record = null;
Container con = null;
JMenuBar bar;
JMenu fileMenu;
JMenuItem 制作棋谱, 保存棋谱, 演示棋谱;
JFileChooser fileChooser = null;
LinkedList 棋谱 = null;
public ChineseChess() {
bar = new JMenuBar();
fileMenu = new JMenu("中国象棋");
制作棋谱 = new JMenuItem("制作棋谱");
保存棋谱 = new JMenuItem("保存棋谱");
保存棋谱.setEnabled(false);
演示棋谱 = new JMenuItem("演示棋谱");
fileMenu.add(制作棋谱);
fileMenu.add(保存棋谱);
fileMenu.add(演示棋谱);
bar.add(fileMenu);
setJMenuBar(bar);
setTitle(制作棋谱.getText());
制作棋谱.addActionListener(this);
保存棋谱.addActionListener(this);
演示棋谱.addActionListener(this);
board = new ChessBoard(45, 45, 9, 10);
record = board.record;
con = getContentPane();
JSplitPane split = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, true,
board, record);
split.setDividerSize(5);
split.setDividerLocation(460);
con.add(split, BorderLayout.CENTER);
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
setVisible(true);
setBounds(60, 20, 690, 540);
fileChooser = new JFileChooser();
con.validate();
validate();
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == 制作棋谱) {
con.removeAll();
保存棋谱.setEnabled(true);
this.setTitle(制作棋谱.getText());
board = new ChessBoard(45, 45, 9, 10);
record = board.record;
JSplitPane split = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT,
true, board, record);
split.setDividerSize(5);
split.setDividerLocation(460);
con.add(split, BorderLayout.CENTER);
validate();
}
if (e.getSource() == 保存棋谱) {
int state = fileChooser.showSaveDialog(null);
File saveFile = fileChooser.getSelectedFile();
if (saveFile != null && state == JFileChooser.APPROVE_OPTION) {
try {
FileOutputStream outOne = new FileOutputStream(saveFile);
ObjectOutputStream outTwo = new ObjectOutputStream(outOne);
outTwo.writeObject(record.获取棋谱());
outOne.close();
outTwo.close();
} catch (IOException event) {
}
}
}
if (e.getSource() == 演示棋谱) {
con.removeAll();
con.repaint();
con.validate();
validate();
保存棋谱.setEnabled(false);
int state = fileChooser.showOpenDialog(null);
File openFile = fileChooser.getSelectedFile();
if (openFile != null && state == JFileChooser.APPROVE_OPTION) {
try {
FileInputStream inOne = new FileInputStream(openFile);
ObjectInputStream inTwo = new ObjectInputStream(inOne);
棋谱 = (LinkedList) inTwo.readObject();
inOne.close();
inTwo.close();
ChessBoard board = new ChessBoard(45, 45, 9, 10);
demon = new Demon(board);
demon.set棋谱(棋谱);
con.add(demon, BorderLayout.CENTER);
con.validate();
validate();
this.setTitle(演示棋谱.getText() + ":" + openFile);
} catch (Exception event) {
JLabel label = new JLabel("不是棋谱文件");
label.setFont(new Font("隶书", Font.BOLD, 60));
label.setForeground(Color.red);
label.setHorizontalAlignment(SwingConstants.CENTER);
con.add(label, BorderLayout.CENTER);
con.validate();
this.setTitle("没有打开棋谱");
validate();
}
} else {
JLabel label = new JLabel("没有打开棋谱文件呢");
label.setFont(new Font("隶书", Font.BOLD, 50));
label.setForeground(Color.pink);
label.setHorizontalAlignment(SwingConstants.CENTER);
con.add(label, BorderLayout.CENTER);
con.validate();
this.setTitle("没有打开棋谱文件呢");
validate();
}
}
}
public static void main(String args[]) {
new ChineseChess();
}
}
2.象棋棋盘类文件ChessBoard.java
package cn.edu.ouc.chineseChess;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
/**
* 棋盘类
*
* @author cnlht
*/
public class ChessBoard extends JPanel implements MouseListener,
MouseMotionListener {
public ChessPoint point[][];
public int unitWidth, unitHeight;
private int x轴长, y轴长;
private int x, y;
private Image img;
protected Image pieceImg;
private boolean move = false;
public String 红方颜色 = "红方", 黑方颜色 = "黑方";
ChessPiece 红车1, 红车2, 红马1, 红马2, 红相1, 红相2, 红帅, 红士1, 红士2, 红兵1, 红兵2, 红兵3, 红兵4,
红兵5, 红炮1, 红炮2;
ChessPiece 黑车1, 黑车2, 黑马1, 黑马2, 黑将, 黑士1, 黑士2, 黑卒1, 黑卒2, 黑卒3, 黑卒4, 黑卒5, 黑象1,
黑象2, 黑炮1, 黑炮2;
int startX, startY;
int startI, startJ;
public boolean 红方走棋 = true, 黑方走棋 = false;
Rule rule = null;
public MakeChessManual record = null;
public ChessBoard(int w, int h, int r, int c) {
setLayout(null);
addMouseListener(this);
addMouseMotionListener(this);
Color bc = getBackground();
unitWidth = w;
unitHeight = h;
x轴长 = r;
y轴长 = c;
point = new ChessPoint[r + 1][c + 1];
for (int i = 1; i <= r; i++) {
for (int j = 1; j <= c; j++) {
point[i][j] = new ChessPoint(i * unitWidth, j * unitHeight,
false);
}
}
rule = new Rule(this, point);
record = new MakeChessManual(this, point);
img = Toolkit.getDefaultToolkit().getImage("board.jpg");
pieceImg = Toolkit.getDefaultToolkit().getImage("piece.gif");
红车1 = new ChessPiece("車", Color.red, bc, w - 4, h - 4, this);
红车1.set棋子类别(红方颜色);
红车2 = new ChessPiece("車", Color.red, bc, w - 4, h - 4, this);
红车2.set棋子类别(红方颜色);
红马1 = new ChessPiece("馬", Color.red, bc, w - 4, h - 4, this);
红马1.set棋子类别(红方颜色);
红马2 = new ChessPiece("馬", Color.red, bc, w - 4, h - 4, this);
红马2.set棋子类别(红方颜色);
红炮1 = new ChessPiece("炮", Color.red, bc, w - 4, h - 4, this);
红炮1.set棋子类别(红方颜色);
红炮2 = new ChessPiece("炮", Color.red, bc, w - 4, h - 4, this);
红炮2.set棋子类别(红方颜色);
红相1 = new ChessPiece("相", Color.red, bc, w - 4, h - 4, this);
红相1.set棋子类别(红方颜色);
红相2 = new ChessPiece("相", Color.red, bc, w - 4, h - 4, this);
红相2.set棋子类别(红方颜色);
红士1 = new ChessPiece("仕", Color.red, bc, w - 4, h - 4, this);
红士1.set棋子类别(红方颜色);
红士2 = new ChessPiece("仕", Color.red, bc, w - 4, h - 4, this);
红士2.set棋子类别(红方颜色);
红帅 = new ChessPiece("帅", Color.red, bc, w - 4, h - 4, this);
红帅.set棋子类别(红方颜色);
红兵1 = new ChessPiece("兵", Color.red, bc, w - 4, h - 4, this);
红兵1.set棋子类别(红方颜色);
红兵2 = new ChessPiece("兵", Color.red, bc, w - 4, h - 4, this);
红兵2.set棋子类别(红方颜色);
红兵3 = new ChessPiece("兵", Color.red, bc, w - 4, h - 4, this);
红兵3.set棋子类别(红方颜色);
红兵4 = new ChessPiece("兵", Color.red, bc, w - 4, h - 4, this);
红兵4.set棋子类别(红方颜色);
红兵5 = new ChessPiece("兵", Color.red, bc, w - 4, h - 4, this);
红兵5.set棋子类别(红方颜色);
黑将 = new ChessPiece("将", Color.black, bc, w - 4, h - 4, this);
黑将.set棋子类别(黑方颜色);
黑士1 = new ChessPiece("士", Color.black, bc, w - 4, h - 4, this);
黑士1.set棋子类别(黑方颜色);
黑士2 = new ChessPiece("士", Color.black, bc, w - 4, h - 4, this);
黑士2.set棋子类别(黑方颜色);
黑车1 = new ChessPiece("车", Color.black, bc, w - 4, h - 4, this);
黑车1.set棋子类别(黑方颜色);
黑车2 = new ChessPiece("车", Color.black, bc, w - 4, h - 4, this);
黑车2.set棋子类别(黑方颜色);
黑炮1 = new ChessPiece("炮", Color.black, bc, w - 4, h - 4, this);
黑炮1.set棋子类别(黑方颜色);
黑炮2 = new ChessPiece("炮", Color.black, bc, w - 4, h - 4, this);
黑炮2.set棋子类别(黑方颜色);
黑象1 = new ChessPiece("象", Color.black, bc, w - 4, h - 4, this);
黑象1.set棋子类别(黑方颜色);
黑象2 = new ChessPiece("象", Color.black, bc, w - 4, h - 4, this);
黑象2.set棋子类别(黑方颜色);
黑马1 = new ChessPiece("马", Color.black, bc, w - 4, h - 4, this);
黑马1.set棋子类别(黑方颜色);
黑马2 = new ChessPiece("马", Color.black, bc, w - 4, h - 4, this);
黑马2.set棋子类别(黑方颜色);
黑卒1 = new ChessPiece("卒", Color.black, bc, w - 4, h - 4, this);
黑卒1.set棋子类别(黑方颜色);
黑卒2 = new ChessPiece("卒", Color.black, bc, w - 4, h - 4, this);
黑卒2.set棋子类别(黑方颜色);
黑卒3 = new ChessPiece("卒", Color.black, bc, w - 4, h - 4, this);
黑卒3.set棋子类别(黑方颜色);
黑卒4 = new ChessPiece("卒", Color.black, bc, w - 4, h - 4, this);
黑卒4.set棋子类别(黑方颜色);
黑卒5 = new ChessPiece("卒", Color.black, bc, w - 4, h - 4, this);
黑卒5.set棋子类别(黑方颜色);
point[1][10].setPiece(红车1, this);
point[2][10].setPiece(红马1, this);
point[3][10].setPiece(红相1, this);
point[4][10].setPiece(红士1, this);
point[5][10].setPiece(红帅, this);
point[6][10].setPiece(红士2, this);
point[7][10].setPiece(红相2, this);
point[8][10].setPiece(红马2, this);
point[9][10].setPiece(红车2, this);
point[2][8].setPiece(红炮1, this);
point[8][8].setPiece(红炮2, this);
point[1][7].setPiece(红兵1, this);
point[3][7].setPiece(红兵2, this);
point[5][7].setPiece(红兵3, this);
point[7][7].setPiece(红兵4, this);
point[9][7].setPiece(红兵5, this);
point[1][1].setPiece(黑车1, this);
point[2][1].setPiece(黑马1, this);
point[3][1].setPiece(黑象1, this);
point[4][1].setPiece(黑士1, this);
point[5][1].setPiece(黑将, this);
point[6][1].setPiece(黑士2, this);
point[7][1].setPiece(黑象2, this);
point[8][1].setPiece(黑马2, this);
point[9][1].setPiece(黑车2, this);
point[2][3].setPiece(黑炮1, this);
point[8][3].setPiece(黑炮2, this);
point[1][4].setPiece(黑卒1, this);
point[3][4].setPiece(黑卒2, this);
point[5][4].setPiece(黑卒3, this);
point[7][4].setPiece(黑卒4, this);
point[9][4].setPiece(黑卒5, this);
}
public void paintComponent(Graphics g) {
super.paintComponent(g);
int imgWidth = img.getWidth(this);
int imgHeight = img.getHeight(this);// 获得图片的宽度与高度
int FWidth = getWidth();
int FHeight = getHeight();// 获得窗口的宽度与高度
int x = (FWidth - imgWidth) / 2;
int y = (FHeight - imgHeight) / 2;
g.drawImage(img, x, y, null);
for (int j = 1; j <= y轴长; j++) {
g.drawLine(point[1][j].x, point[1][j].y, point[x轴长][j].x,
point[x轴长][j].y);
}
for (int i = 1; i <= x轴长; i++) {
if (i != 1 && i != x轴长) {
g.drawLine(point[i][1].x, point[i][1].y, point[i][y轴长 - 5].x,
point[i][y轴长 - 5].y);
g.drawLine(point[i][y轴长 - 4].x, point[i][y轴长 - 4].y,
point[i][y轴长].x, point[i][y轴长].y);
} else {
g.drawLine(point[i][1].x, point[i][1].y, point[i][y轴长].x,
point[i][y轴长].y);
}
}
g.drawLine(point[4][1].x, point[4][1].y, point[6][3].x, point[6][3].y);
g.drawLine(point[6][1].x, point[6][1].y, point[4][3].x, point[4][3].y);
g.drawLine(point[4][8].x, point[4][8].y, point[6][y轴长].x,
point[6][y轴长].y);
g.drawLine(point[4][y轴长].x, point[4][y轴长].y, point[6][8].x,
point[6][8].y);
for (int i = 1; i <= x轴长; i++) {
g.drawString("" + i, i * unitWidth, unitHeight / 2);
}
int j = 1;
for (char c = 'A'; c <= 'J'; c++) {
g.drawString("" + c, unitWidth / 4, j * unitHeight);
j++;
}
}
/**鼠标按下事件*/
public void mousePressed(MouseEvent e) {
ChessPiece piece = null;
Rectangle rect = null;
if (e.getSource() == this)
move = false;
if (move == false)
if (e.getSource() instanceof ChessPiece) {
piece = (ChessPiece) e.getSource();
startX = piece.getBounds().x;
startY = piece.getBounds().y;
rect = piece.getBounds();
for (int i = 1; i <= x轴长; i++) {
for (int j = 1; j <= y轴长; j++) {
int x = point[i][j].getX();
int y = point[i][j].getY();
if (rect.contains(x, y)) {
startI = i;
startJ = j;
break;
}
}
}
}
}
public void mouseMoved(MouseEvent e) {
}
/**鼠标拖动事件*/
public void mouseDragged(MouseEvent e) {
ChessPiece piece = null;
if (e.getSource() instanceof ChessPiece) {
piece = (ChessPiece) e.getSource();
move = true;
e = SwingUtilities.convertMouseEvent(piece, e, this);
}
if (e.getSource() == this) {
if (move && piece != null) {
x = e.getX();
y = e.getY();
if (红方走棋 && ((piece.棋子类别()).equals(红方颜色))) {
piece.setLocation(x - piece.getWidth() / 2,
y - piece.getHeight() / 2);
}
if (黑方走棋 && (piece.棋子类别().equals(黑方颜色))) {
piece.setLocation(x - piece.getWidth() / 2,
y - piece.getHeight() / 2);
}
}
}
}
/**松开鼠标事件*/
public void mouseReleased(MouseEvent e) {
ChessPiece piece = null;
move = false;
Rectangle rect = null;
if (e.getSource() instanceof ChessPiece) {
piece = (ChessPiece) e.getSource();
rect = piece.getBounds();
e = SwingUtilities.convertMouseEvent(piece, e, this);
}
if (e.getSource() == this) {
boolean containChessPoint = false;
int x = 0, y = 0;
int m = 0, n = 0;
if (piece != null) {
for (int i = 1; i <= x轴长; i++) {
for (int j = 1; j <= y轴长; j++) {
x = point[i][j].getX();
y = point[i][j].getY();
if (rect.contains(x, y)) {
containChessPoint = true;
m = i;
n = j;
break;
}
}
}
}
if (piece != null && containChessPoint) {
Color pieceColor = piece.获取棋子颜色();
if (point[m][n].isPiece()) {
Color c = (point[m][n].getPiece()).获取棋子颜色();
if (pieceColor.getRGB() == c.getRGB()) {
piece.setLocation(startX, startY);
(point[startI][startJ]).set有棋子(true);
} else {
boolean ok = rule.movePieceRule(piece, startI, startJ,
m, n);
if (ok) {
ChessPiece pieceRemoved = point[m][n].getPiece();
point[m][n].reMovePiece(pieceRemoved, this);
point[m][n].setPiece(piece, this);
(point[startI][startJ]).set有棋子(false);
record.记录棋谱(piece, startI, startJ, m, n);
record.记录吃掉的棋子(pieceRemoved);
rule.isWine(pieceRemoved);
if (piece.棋子类别().equals(红方颜色)) {
红方走棋 = false;
黑方走棋 = true;
}
if (piece.棋子类别().equals(黑方颜色)) {
黑方走棋 = false;
红方走棋 = true;
}
validate();
repaint();
} else {
piece.setLocation(startX, startY);
(point[startI][startJ]).set有棋子(true);
}
}
} else {
boolean ok = rule
.movePieceRule(piece, startI, startJ, m, n);
if (ok) {
point[m][n].setPiece(piece, this);
(point[startI][startJ]).set有棋子(false);
record.记录棋谱(piece, startI, startJ, m, n);
record.记录吃掉的棋子("没吃棋子");
if (piece.棋子类别().equals(红方颜色)) {
红方走棋 = false;
黑方走棋 = true;
}
if (piece.棋子类别().equals(黑方颜色)) {
黑方走棋 = false;
红方走棋 = true;
}
} else {
piece.setLocation(startX, startY);
(point[startI][startJ]).set有棋子(true);
}
}
}
if (piece != null && !containChessPoint) {
piece.setLocation(startX, startY);
(point[startI][startJ]).set有棋子(true);
}
}
}
public void mouseEntered(MouseEvent e) {
}
public void mouseExited(MouseEvent e) {
}
public void mouseClicked(MouseEvent e) {
}
}
3.棋子类文件ChessPiece.java
package cn.edu.ouc.chineseChess;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
/**
* 棋子类
*
* @author cnlht
*/
public class ChessPiece extends JLabel {
String name; // 棋子名字
Color backColor = null, foreColor;// 背景色和前景色
String 颜色类别 = null;
ChessBoard board = null;
int width, height;// 大小
public ChessPiece(String name, Color fc, Color bc, int width, int height,
ChessBoard board) {// 构造棋子
this.name = name;
this.board = board;
this.width = width;
this.height = height;
foreColor = fc;
backColor = bc;
setSize(width, height);
setBackground(bc);
addMouseMotionListener(board);
addMouseListener(board);
}
// 绘制棋子
public void paint(Graphics g) {
g.drawImage(board.pieceImg, 2, 2, width-2, height-2, null);
g.setColor(foreColor);
g.setFont(new Font("楷体", Font.BOLD, 26));
g.drawString(name, 7, height - 8);// 在棋子上绘制 “棋子名”
g.setColor(Color.black);
//g.drawOval(1, 1, width - 1, height - 1);
float lineWidth = 2.3f;
((Graphics2D)g).setStroke(new BasicStroke(lineWidth));
((Graphics2D)g).drawOval(2, 2, width-2, height-2);
}
public int getWidth() {
return width;
}
public int getHeight() {
return height;
}
public String getName() {
return name;
}
public Color 获取棋子颜色() {
return foreColor;
}
public void set棋子类别(String 类别) {
颜色类别 = 类别;
}
public String 棋子类别() {
return 颜色类别;
}
}
4.棋子点坐标类文件
package cn.edu.ouc.chineseChess;
/**
* 棋点类
*
* @author cnlht
*/
public class ChessPoint {
/** 棋子坐标 */
int x, y;
/** 该坐标 是否有子*/
boolean 有棋子;
/** 改坐标的棋子 */
ChessPiece piece = null;
/** 坐标所属棋盘 */
ChessBoard board = null;
public ChessPoint(int x, int y, boolean boo) {
this.x = x;
this.y = y;
有棋子 = boo;
}
public boolean isPiece() {
return 有棋子;
}
public void set有棋子(boolean boo) {
有棋子 = boo;
}
public int getX() {
return x;
}
public int getY() {
return y;
}
// 设置改点棋子
public void setPiece(ChessPiece piece, ChessBoard board) {
this.board = board;
this.piece = piece;
board.add(piece);
int w = (board.unitWidth);
int h = (board.unitHeight);
piece.setBounds(x - w / 2, y - h / 2, w, h);// 棋子位置，宽度，高度
有棋子 = true;
board.validate();
}
public ChessPiece getPiece() {
return piece;
}
public void reMovePiece(ChessPiece piece, ChessBoard board) {
this.board = board;
this.piece = piece;
board.remove(piece);
board.validate();
有棋子 = false;
}
}
5.玩法规则类文件Rule.java
package cn.edu.ouc.chineseChess;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
/**
* 走棋规则类
*
* @author cnlht
*/
public class Rule {
ChessBoard board = null;
ChessPiece piece = null;
ChessPoint point[][];
int startI, startJ, endI, endJ;
public Rule(ChessBoard board, ChessPoint point[][]) {
this.board = board;
this.point = point;
}
public void isWine(ChessPiece piece) {
this.piece = piece;
if (piece.getName() == "将" || piece.getName() == "帅") {
if (piece.颜色类别 == "红方") {
JOptionPane.showMessageDialog(null, "黑方 胜利！");
} else {
JOptionPane.showMessageDialog(null, "红方 胜利！");
}
}
}
public boolean movePieceRule(ChessPiece piece, int startI, int startJ,
int endI, int endJ) {
this.piece = piece;
this.startI = startI;
this.startJ = startJ;
this.endI = endI;
this.endJ = endJ;
int minI = Math.min(startI, endI);
int maxI = Math.max(startI, endI);
int minJ = Math.min(startJ, endJ);
int maxJ = Math.max(startJ, endJ);
boolean 可否走棋 = false;
if (piece.getName().equals("车")) {
if (startI == endI) {
int j = 0;
for (j = minJ + 1; j <= maxJ - 1; j++) {
if (point[startI][j].isPiece()) {
可否走棋 = false;
break;
}
}
if (j == maxJ) {
可否走棋 = true;
}
} else if (startJ == endJ) {
int i = 0;
for (i = minI + 1; i <= maxI - 1; i++) {
if (point[i][startJ].isPiece()) {
可否走棋 = false;
break;
}
}
if (i == maxI) {
可否走棋 = true;
}
} else {
可否走棋 = false;
}
} else if (piece.getName().equals("車")) {
if (startI == endI) {
int j = 0;
for (j = minJ + 1; j <= maxJ - 1; j++) {
if (point[startI][j].isPiece()) {
可否走棋 = false;
break;
}
}
if (j == maxJ) {
可否走棋 = true;
}
} else if (startJ == endJ) {
int i = 0;
for (i = minI + 1; i <= maxI - 1; i++) {
if (point[i][startJ].isPiece()) {
可否走棋 = false;
break;
}
}
if (i == maxI) {
可否走棋 = true;
}
} else {
可否走棋 = false;
}
}else if (piece.getName().equals("马")) {
int xAxle = Math.abs(startI - endI);
int yAxle = Math.abs(startJ - endJ);
if (xAxle == 2 && yAxle == 1) {
if (endI > startI) {
if (point[startI + 1][startJ].isPiece()) {
可否走棋 = false;
} else {
可否走棋 = true;
}
}
if (endI < startI) {
if (point[startI - 1][startJ].isPiece()) {
可否走棋 = false;
} else {
可否走棋 = true;
}
}
}else if (xAxle == 1 && yAxle == 2) {
if (endJ > startJ) {
if (point[startI][startJ + 1].isPiece()) {
可否走棋 = false;
} else {
可否走棋 = true;
}
}
if (endJ < startJ) {
if (point[startI][startJ - 1].isPiece()) {
可否走棋 = false;
} else {
可否走棋 = true;
}
}
} else {
可否走棋 = false;
}
} else if (piece.getName().equals("馬")) {
int xAxle = Math.abs(startI - endI);
int yAxle = Math.abs(startJ - endJ);
if (xAxle == 2 && yAxle == 1) {
if (endI > startI) {
if (point[startI + 1][startJ].isPiece()) {
可否走棋 = false;
} else {
可否走棋 = true;
}
}
if (endI < startI) {
if (point[startI - 1][startJ].isPiece()) {
可否走棋 = false;
} else {
可否走棋 = true;
}
}
}else if (xAxle == 1 && yAxle == 2) {
if (endJ > startJ) {
if (point[startI][startJ + 1].isPiece()) {
可否走棋 = false;
} else {
可否走棋 = true;
}
}
if (endJ < startJ) {
if (point[startI][startJ - 1].isPiece()) {
可否走棋 = false;
} else {
可否走棋 = true;
}
}
} else {
可否走棋 = false;
}
} else if (piece.getName().equals("象")) {
int centerI = (startI + endI) / 2;
int centerJ = (startJ + endJ) / 2;
int xAxle = Math.abs(startI - endI);
int yAxle = Math.abs(startJ - endJ);
if (xAxle == 2 && yAxle == 2 && endJ <= 5) {
if (point[centerI][centerJ].isPiece()) {
可否走棋 = false;
} else {
可否走棋 = true;
}
} else {
可否走棋 = false;
}
} else if (piece.getName().equals("相")) {
int centerI = (startI + endI) / 2;
int centerJ = (startJ + endJ) / 2;
int xAxle = Math.abs(startI - endI);
int yAxle = Math.abs(startJ - endJ);
if (xAxle == 2 && yAxle == 2 && endJ >= 6) {
if (point[centerI][centerJ].isPiece()) {
可否走棋 = false;
} else {
可否走棋 = true;
}
} else {
可否走棋 = false;
}
} else if (piece.getName().equals("炮")) {
int number = 0;
if (startI == endI) {
int j = 0;
for (j = minJ + 1; j <= maxJ - 1; j++) {
if (point[startI][j].isPiece()) {
number++;
}
}
if (number > 1) {
可否走棋 = false;
} else if (number == 1) {
if (point[endI][endJ].isPiece()) {
可否走棋 = true;
}
} else if (number == 0 && !point[endI][endJ].isPiece()) {
可否走棋 = true;
}
} else if (startJ == endJ) {
int i = 0;
for (i = minI + 1; i <= maxI - 1; i++) {
if (point[i][startJ].isPiece()) {
number++;
}
}
if (number > 1) {
可否走棋 = false;
} else if (number == 1) {
if (point[endI][endJ].isPiece()) {
可否走棋 = true;
}
} else if (number == 0 && !point[endI][endJ].isPiece()) {
可否走棋 = true;
}
} else {
可否走棋 = false;
}
} else if (piece.getName().equals("兵")) {
int xAxle = Math.abs(startI - endI);
int yAxle = Math.abs(startJ - endJ);
if (endJ >= 6) {
if (startJ - endJ == 1 && xAxle == 0) {
可否走棋 = true;
}
else {
可否走棋 = false;
}
} else if (endJ <= 5) {
if ((startJ - endJ == 1) && (xAxle == 0)) {
可否走棋 = true;
} else if ((endJ - startJ == 0) && (xAxle == 1)) {
可否走棋 = true;
} else {
可否走棋 = false;
}
}
} else if (piece.getName().equals("卒")) {
int xAxle = Math.abs(startI - endI);
int yAxle = Math.abs(startJ - endJ);
if (endJ <= 5) {
if (endJ - startJ == 1 && xAxle == 0) {
可否走棋 = true;
} else {
可否走棋 = false;
}
} else if (endJ >= 6) {
if ((endJ - startJ == 1) && (xAxle == 0)) {
可否走棋 = true;
} else if ((endJ - startJ == 0) && (xAxle == 1)) {
可否走棋 = true;
} else {
可否走棋 = false;
}
}
}
else if (piece.getName().equals("士")) {
int xAxle = Math.abs(startI - endI);
int yAxle = Math.abs(startJ - endJ);
if (endI <= 6 && endI >= 4 && xAxle == 1 && yAxle == 1) {
可否走棋 = true;
} else {
可否走棋 = false;
}
} else if (piece.getName().equals("仕")) {
int xAxle = Math.abs(startI - endI);
int yAxle = Math.abs(startJ - endJ);
if (endI <= 6 && endI >= 4 && xAxle == 1 && yAxle == 1) {
可否走棋 = true;
} else {
可否走棋 = false;
}
} else if ((piece.getName().equals("帅"))
|| (piece.getName().equals("将"))) {
int xAxle = Math.abs(startI - endI);
int yAxle = Math.abs(startJ - endJ);
if (endI <= 6 && endI >= 4) {
if ((xAxle == 1 && yAxle == 0) || (xAxle == 0 && yAxle == 1)) {
可否走棋 = true;
} else {
可否走棋 = false;
}
} else {
可否走棋 = false;
}
}
return 可否走棋;
}
}
6.走步类文件MoveStep.java
package cn.edu.ouc.chineseChess;
import java.awt.Point;
/**
* 走步类
*
* @author cnlht
*
*/
public class MoveStep implements java.io.Serializable {
public Point pStart, pEnd;
public MoveStep(Point p1, Point p2) {
pStart = p1;
pEnd = p2;
}
}
7.制作棋谱类MakeChessManual.java
package cn.edu.ouc.chineseChess;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.LinkedList;
/**
* 制作棋谱类
*
* @author cnlht
*/
public class MakeChessManual extends JPanel implements ActionListener {
JTextArea text = null;
JScrollPane scroll = null;
ChessBoard board = null;
ChessPoint[][] point;
LinkedList 棋谱 = null;
LinkedList 吃掉的棋子 = null;
JButton buttonUndo;
int i = 0;
public MakeChessManual(ChessBoard board, ChessPoint[][] point) {
this.board = board;
this.point = point;
text = new JTextArea();
scroll = new JScrollPane(text);
棋谱 = new LinkedList();
吃掉的棋子 = new LinkedList();
buttonUndo = new JButton("悔棋");
buttonUndo.setFont(new Font("隶书", Font.PLAIN, 18));
setLayout(new BorderLayout());
add(scroll, BorderLayout.CENTER);
add(buttonUndo, BorderLayout.SOUTH);
buttonUndo.addActionListener(this);
}
public char numberToLetter(int n) {
char c = '\0';
switch (n) {
case 1:
c = 'A';
break;
case 2:
c = 'B';
break;
case 3:
c = 'C';
break;
case 4:
c = 'D';
break;
case 5:
c = 'E';
break;
case 6:
c = 'F';
break;
case 7:
c = 'G';
break;
case 8:
c = 'H';
break;
case 9:
c = 'I';
break;
case 10:
c = 'J';
break;
}
return c;
}
public void 记录棋谱(ChessPiece piece, int startI, int startJ, int endI,
int endJ) {
Point pStart = new Point(startI, startJ);
Point pEnd = new Point(endI, endJ);
MoveStep step = new MoveStep(pStart, pEnd);
棋谱.add(step);
String 棋子类别 = piece.棋子类别();
String name = piece.getName();
String m = "#" + 棋子类别 + name + ": " + startI + numberToLetter(startJ)
+ " 到 " + endI + numberToLetter(endJ);
text.append(m);
if (piece.棋子类别().equals(board.黑方颜色))
text.append("\n");
}
public void 记录吃掉的棋子(Object object) {
吃掉的棋子.add(object);
}
public LinkedList 获取棋谱() {
return 棋谱;
}
public void actionPerformed(ActionEvent e) {
int position = text.getText().lastIndexOf("#");
if (position != -1)
text.replaceRange("", position, text.getText().length());
if (棋谱.size() > 0) {
MoveStep lastStep = (MoveStep) 棋谱.getLast();
棋谱.removeLast();
Object qizi = 吃掉的棋子.getLast();
吃掉的棋子.removeLast();
String temp = qizi.toString();
if (temp.equals("没吃棋子")) {
int startI = lastStep.pStart.x;
int startJ = lastStep.pStart.y;
int endI = lastStep.pEnd.x;
int endJ = lastStep.pEnd.y;
ChessPiece piece = point[endI][endJ].getPiece();
point[startI][startJ].setPiece(piece, board);
(point[endI][endJ]).set有棋子(false);
if (piece.棋子类别().equals(board.红方颜色)) {
board.红方走棋 = true;
board.黑方走棋 = false;
}
if (piece.棋子类别().equals(board.黑方颜色)) {
board.黑方走棋 = true;
board.红方走棋 = false;
}
} else {
ChessPiece removedPiece = (ChessPiece) qizi;
int startI = lastStep.pStart.x;
int startJ = lastStep.pStart.y;
int endI = lastStep.pEnd.x;
int endJ = lastStep.pEnd.y;
ChessPiece piece = point[endI][endJ].getPiece();
point[startI][startJ].setPiece(piece, board);
point[endI][endJ].setPiece(removedPiece, board);
(point[endI][endJ]).set有棋子(true);
if (piece.棋子类别().equals(board.红方颜色)) {
board.红方走棋 = true;
board.黑方走棋 = false;
}
if (piece.棋子类别().equals(board.黑方颜色)) {
board.黑方走棋 = true;
board.红方走棋 = false;
}
}
}
}
}
8.演示棋谱类文件Demon.java
package cn.edu.ouc.chineseChess;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
/**
* 演示棋谱类
*
* @author cnlht
*/
public class Demon extends JPanel implements ActionListener, Runnable {
public JButton replay = null, next = null, auto = null, stop = null;
LinkedList 棋谱 = null;
Thread 自动演示 = null;
int index = -1;
ChessBoard board = null;
JTextArea text;
JTextField 时间间隔 = null;
int time = 1000;
String 演示过程 = "";
JSplitPane splitH = null, splitV = null;
public Demon(ChessBoard board) {
this.board = board;
replay = new JButton("重新演示");
next = new JButton("下一步");
auto = new JButton("自动演示");
stop = new JButton("暂停演示");
自动演示 = new Thread(this);
replay.addActionListener(this);
next.addActionListener(this);
auto.addActionListener(this);
stop.addActionListener(this);
text = new JTextArea();
时间间隔 = new JTextField("1");
setLayout(new BorderLayout());
JScrollPane pane = new JScrollPane(text);
JPanel p = new JPanel(new GridLayout(3, 2));
p.add(next);
p.add(replay);
p.add(auto);
p.add(stop);
p.add(new JLabel("时间间隔(秒)", SwingConstants.CENTER));
p.add(时间间隔);
splitV = new JSplitPane(JSplitPane.VERTICAL_SPLIT, pane, p);
splitH = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, board, splitV);
splitV.setDividerSize(5);
splitV.setDividerLocation(400);
splitH.setDividerSize(5);
splitH.setDividerLocation(460);
add(splitH, BorderLayout.CENTER);
validate();
}
public void set棋谱(LinkedList 棋谱) {
this.棋谱 = 棋谱;
}
public char numberToLetter(int n) {
char c = '\0';
switch (n) {
case 1:
c = 'A';
break;
case 2:
c = 'B';
break;
case 3:
c = 'C';
break;
case 4:
c = 'D';
break;
case 5:
c = 'E';
break;
case 6:
c = 'F';
break;
case 7:
c = 'G';
break;
case 8:
c = 'H';
break;
case 9:
c = 'I';
break;
case 10:
c = 'J';
break;
}
return c;
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == next) {
index++;
if (index < 棋谱.size()) {
演示一步(index);
} else {
演示结束("棋谱演示完毕");
}
}
if (e.getSource() == replay) {
board = new ChessBoard(45, 45, 9, 10);
splitH.remove(board);
splitH.setDividerSize(5);
splitH.setDividerLocation(460);
splitH.setLeftComponent(board);
splitH.validate();
index = -1;
text.setText(null);
}
if (e.getSource() == auto) {
next.setEnabled(false);
replay.setEnabled(false);
try {
time = 1000 * Integer.parseInt(时间间隔.getText().trim());
} catch (NumberFormatException ee) {
time = 1000;
}
if (!(自动演示.isAlive())) {
自动演示 = new Thread(this);
board = new ChessBoard(45, 45, 9, 10);
splitH.remove(board);
splitH.setDividerSize(5);
splitH.setDividerLocation(460);
splitH.setLeftComponent(board);
splitH.validate();
text.setText(null);
自动演示.start();
}
}
if (e.getSource() == stop) {
if (e.getActionCommand().equals("暂停演示")) {
演示过程 = "暂停演示";
stop.setText("继续演示");
stop.repaint();
}
if (e.getActionCommand().equals("继续演示")) {
演示过程 = "继续演示";
自动演示.interrupt();
stop.setText("暂停演示");
stop.repaint();
}
}
}
public synchronized void run() {
for (index = 0; index < 棋谱.size(); index++) {
try {
Thread.sleep(time);
} catch (InterruptedException e) {
}
while (演示过程.equals("暂停演示")) {
try {
wait();
} catch (InterruptedException e) {
notifyAll();
}
}
演示一步(index);
}
if (index >= 棋谱.size()) {
演示结束("棋谱演示完毕");
next.setEnabled(true);
replay.setEnabled(true);
}
}
public void 演示一步(int index) {
MoveStep step = (MoveStep) 棋谱.get(index);
Point pStart = step.pStart;
Point pEnd = step.pEnd;
int startI = pStart.x;
int startJ = pStart.y;
int endI = pEnd.x;
int endJ = pEnd.y;
ChessPiece piece = (board.point)[startI][startJ].getPiece();
if ((board.point)[endI][endJ].isPiece() == true) {
ChessPiece pieceRemoved = (board.point)[endI][endJ].getPiece();
(board.point)[endI][endJ].reMovePiece(pieceRemoved, board);
board.repaint();
(board.point)[endI][endJ].setPiece(piece, board);
(board.point)[startI][startJ].set有棋子(false);
board.repaint();
} else {
(board.point)[endI][endJ].setPiece(piece, board);
(board.point)[startI][startJ].set有棋子(false);
}
String 棋子类别 = piece.棋子类别();
String name = piece.getName();
String m = "#" + 棋子类别 + name + ": " + startI + numberToLetter(startJ)
+ " 到 " + endI + numberToLetter(endJ);
text.append(m);
if (piece.棋子类别().equals(board.黑方颜色))
text.append("\n");
}
public void 演示结束(String message) {
splitH.remove(board);
splitH.setDividerSize(5);
splitH.setDividerLocation(460);
JLabel label = new JLabel(message);
label.setFont(new Font("隶书", Font.BOLD, 40));
label.setForeground(Color.blue);
label.setHorizontalAlignment(SwingConstants.CENTER);
splitH.setLeftComponent(label);
splitH.validate();
}
}
四、总结与要求
1.理解8个文件，没有太复杂的代码。
2.理解鼠标的MouseListener,MouseMotionListener两个接口的区别，五子棋的实现不需要MouseMotionListener。
3.使用LinkedList记录棋谱的方法。
