Java五子棋（局域网）

先画出棋盘界面：

class Gb  extends JFrame implements MouseListener ,Runnable {BufferedWriter bw = null;BufferedReader br = null;//文档的流Chess[] chesses = new Chess[17 * 17];//棋子数组，每个网格一个数组TreeMap<Integer,Integer> tm = new TreeMap<>();//key为序号 value为坐标对应的数组indexTreeMap<Integer,Integer> tmTemp;//读取进度时用，点击加载覆盖tmstatic int width = Toolkit.getDefaultToolkit().getScreenSize().width;static int height = Toolkit.getDefaultToolkit().getScreenSize().height;//获取屏幕的分辨率boolean isReading = false;boolean upCanPress = true;boolean downCanPress = false;//用于读取数据的三个变量public Gb() {this.setTitle("五子棋游戏完成版");this.setSize(900, 800);this.setLocation((width - 800) / 2, (height - 800) / 2 );this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);this.setResizable(false);this.setVisible(true);this.repaint();this.addMouseListener(this);}public void paint(Graphics g) {BufferedImage buf = new BufferedImage(900, 800, BufferedImage.TYPE_INT_RGB);//确定界面的大小，以及涂色方式为RGBGraphics g1 = buf.createGraphics();//选项//背景和棋盘底色//http://zhongguose.com/#zhizihuangg1.setColor(new Color(248,232,193));//背景颜色g1.fill3DRect(0, 0, 900, 800, true);//绘色：(起始坐标X，起始坐标Y，结束坐标X，结束坐标Y)g1.setColor(new Color(235,177,13));//棋盘色g1.fill3DRect(60, 60, 680, 680, true);//棋盘线for (int i = 80; i <= 720; i += 40) {g1.setColor(Color.BLACK);g1.drawLine(80, i, 720, i);g1.drawLine(i, 80, i, 720);}//右上角黑白棋//用于提醒下一棋子是什么颜色if(isBlack) {g1.setColor(Color.BLACK);g1.fillOval(770, 50, 30, 30);}else {g1.setColor(Color.WHITE);g1.fillOval(770, 50, 30, 30);}//音乐键//图片在资源文件夹中，打开放在项目文件下try {imageMusic= playMusic ? ImageIO.read(new File("performance.png")) : ImageIO.read(new File("volume-mute.png"));} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}g1.drawImage(imageMusic,820,47,null);//功能按键g1.setFont(new Font("微软雅黑",Font.BOLD,15));g1.setColor(new Color(158,204,171));g1.fill3DRect(770, 100, 100, 40,true);g1.fill3DRect(770, 170, 100, 40,true);g1.fill3DRect(770, 240, 100, 40,true);g1.fill3DRect(770, 310, 100, 40,true);g1.fill3DRect(770, 380, 100, 40,true);//读取功能，点击之后可以读档，相关按键在功能开启后出现if(isReading) {g1.fill3DRect(770, 450, 100, 40,upCanPress);g1.fill3DRect(770, 520, 100, 40,true);g1.fill3DRect(770, 590, 100, 40,downCanPress);}g1.fill3DRect(770, 660, 100, 40,true);g1.setColor(Color.BLACK);g1.drawString("重新开始", 780, 125);g1.drawString("悔棋", 780, 195);g1.drawString("认输", 780, 265);g1.drawString("保存进度", 780, 335);g1.drawString("读取进度", 780, 405);if(isReading) {g1.drawString("上一步", 780, 475);g1.drawString("加载游戏", 780, 545);g1.drawString("下一步", 780, 615);}g1.drawString("返回大厅", 780, 685);//棋子填充颜色for(int i = 0 ; i < 17 ; i++ ) {for(int j = 0 ; j < 17 ; j++) {if(chesses[ i + j * 17] != null) {int realX = 70 + i * 40;int realY = 70 + j * 40;//判断棋子颜色 true为黑色  false为白色if (chesses[i + j * 17].isBlack() == true) {g1.setColor(Color.BLACK);g1.fillOval(realX, realY, 20, 20);}else if (chesses[i + j * 17].isBlack() == false) {g1.setColor(Color.WHITE);g1.fillOval(realX, realY, 20, 20);}}}}}

棋子类的构建：

public class Chess {private int x;private int y;private int orderNum;private boolean black;public Chess() {}public Chess(int x, int y, int orderNum, boolean color) {super();this.x = x;this.y = y;this.orderNum = orderNum;this.black = color;}public int getX() {return x;}public void setX(int x) {this.x = x;}public int getY() {return y;}public void setY(int y) {this.y = y;}public int getOrderNum() {return orderNum;}public void setOrderNum(int orderNum) {this.orderNum = orderNum;}public boolean isBlack() {return black;}public void setBlack(boolean color) {this.black = color;}@Overridepublic boolean equals(Object obj) {if (this == obj)return true;if (obj == null)return false;if (getClass() != obj.getClass())return false;Chess other = (Chess) obj;return black == other.black;}}

棋子和棋盘的存储思路：

棋盘是17*17（非标准，当时一拍脑袋决定的），一般来说，用二维数组 chesses[17][17]存储棋盘信息是很符合大脑习惯的，不过二维数组有不方便的地方，直接用chesses[17 * 17]来存储了，其实也很好理解，数组索引对应每个棋子 X + Y * 17（可能需要理解一下），或者由索引反推坐标就是：X = i (数组索引) % 17; Y = i / 17;。

chesses[17 * 17]是棋盘的存储数据，下一个棋子就会在对应索引新建一个棋子对象，并在对应的坐标绘制棋子图像。

落子的存储是用TreeMap，key为落子顺序(1,2,3,4…)，value为棋子的一维数组索引。

这样存储的好处是方便读取数据，读取存档的时候很方便。

当然还可以另一个思路：

因为Chess类中申明了落子顺序OrderNum，直接用ArrayList存储落子信息以及棋盘信息，用ArrayList的方法也很方便。

下棋子：

           //如果游戏结束，canPlay = falseif(canPlay) {//下棋子int x = (e.getX() - 60) / 40;int y = (e.getY() - 60) / 40;if (e.getX() >= 80 && e.getY() >= 80 && e.getX() <= 720 && e.getY() <= 720) {//填充if(chesses[x + y * 17] == null) {chesses[x + y * 17] = new Chess(x,y,countNum++,isBlack);isBlack = !isBlack;isSaved = false;//测试：棋子序号 + 横坐标 + 纵坐标System.out.println(chesses[x + y * 17].getOrderNum() + "..." +chesses[x + y * 17].getX() + "..." + chesses[x + y * 17].getY());//testSystem.out.println(maxLine(chesses[x + y * 17]));}tm.put(chesses[x + y * 17].getOrderNum(), x + y * 17);this.repaint();}else {return;}//判断胜负isWin(maxLine(chesses[x + y * 17]));}

maxLine方法：

米字形判断，每次落子都判断上下左右斜方向的最长连子数。

基本思路：以横向为例，落子后判断索引±4的最长连子，需要注意一个问题，就是棋子在棋盘的边界，需要加一个判断，如果纵坐标变动了（变成另一排），则重新计算maxLine。如果是竖向判断，则需要监控X坐标有无变动；斜向的话，需要监控Y坐标，如果变化为2，重新计算。

//判断最长连子数public int maxLine(Chess chess) {int xLine = 1;int yLine = 1;int rightLine = 1;int leftLine = 1;int max = 1;int index = chess.getX() + chess.getY() * 17;//横向判断 for (int i = index - 4 ; i < index + 4 ; i ++) {if (i > 0 && i < 17*17 - 1 && (i + 1) / 17 - i / 17 == 0 ) {if(chesses[i] != null && chesses[i].equals(chess) && chesses[i + 1] != null && chesses[i + 1].equals(chess)) {xLine++;}else {xLine = 1;continue;}max = xLine > max ? xLine : max;}else {xLine = 1;}}//纵向判断if (max == 5) {return 5;}else {for (int i = index - 4 * 17 ; i < index + 4 * 17 ; i += 17) {if (i > 0 && i < 17*17 - 17 && (i + 17) % 17 - i % 17 == 0 ) {if(chesses[i] != null && chesses[i].equals(chess) && chesses[i + 17] != null && chesses[i + 17].equals(chess)) {yLine++;}else {yLine = 1;continue;}max = yLine > max ? yLine : max;}else {yLine = 1;}}}//斜向\if(max == 5) {return 5;}else {for (int i = index - 4 * 18; i < index + 4 * 18 ; i += 18) {if (i > 0 && i < 17*17 -  18 && (i+ 18) / 17 - i / 17 == 1 ) {if(chesses[i] != null && chesses[i].equals(chess) && chesses[i + 18] != null && chesses[i + 18].equals(chess)) {leftLine++;}else {leftLine = 1;continue;}max = leftLine > max ? leftLine : max;}else {leftLine = 1;}}}// 斜向/if(max == 5) {return 5;}else {for (int i = index - 4 * 16; i < index + 4 * 16 ; i += 16) {if (i > 0 && i < 17*17 -  16 && (i+ 16) / 17 - i / 17 == 1 ) {if(chesses[i] != null && chesses[i].equals(chess) && chesses[i + 16] != null && chesses[i + 16].equals(chess)) {rightLine++;}else {rightLine = 1;continue;}max = rightLine > max ? rightLine : max;}else {rightLine = 1;}}}return max; }

isWin方法：

//判断是否胜利，输入最长连子数public void isWin(int i) {if (i >= 5) {canPlay = false;if(isBlack == true) {JOptionPane.showMessageDialog(this, "白方胜利");}else {JOptionPane.showMessageDialog(this, "黑方胜利");}}}

canPlay用来控制能否下棋，游戏判出胜负后就不能继续落子了，需要点悔棋或者重新开始才能继续。

这样就实现了下棋的基本功能了，至于重新开始，悔棋之类的功能，在单机版很容易实现，之后会po出代码，先将一下稍微有点复杂的读取功能：

先看效果图：

选好文档后，（没有保存文档就乱点然后保存一个）就会弹出“上一步”“加载游戏”“下一步”三个功能按键，“上一步” 和 “下一步”是用来读档的，方便知道落子的顺序，同时也可以选中到想要的进度开始游戏。点击加载就可以从当前画面下的棋盘开始一局游戏了。然后，这三个功能键就会消失，等到再次读取进度的时候再出现。

功能键的画图实现代码在绘图中，功能实现代码如下：

if(e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 380 && e.getY() <= 420) {//这里是坐标int isYes = JOptionPane.showConfirmDialog(this, "是否读取进度","readload",JOptionPane.YES_NO_OPTION);if(isYes== 0) {isReading = true;readLoad();//定义的一个方法，具体在一下代码块里，作用是弹出一个选择文件的框tmTemp = new TreeMap<>();for(Map.Entry<Integer, Integer> entry : tm.entrySet()) {tmTemp.put(entry.getKey(), entry.getValue());}}}/** 读取中的扩展功能*/if(isReading) {canPlay = false;canPress = false;int SIZE = tm.size();int count = tmTemp.size();//上一步if(e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 450 && e.getY() <= 490 && upCanPress) {if(count > 0 ) {chesses[tmTemp.get(count)] = null;tmTemp.remove(count-- );isBlack = !isBlack;}//testSystem.out.println(tm+" " + SIZE + "\n" +tmTemp + count );}//加载if(e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 520 && e.getY() <= 560) {isReading = false;restart();for(Map.Entry<Integer, Integer> entry : tmTemp.entrySet()) {tm.put(entry.getKey(), entry.getValue());chesses[entry.getValue()] = new Chess(entry.getValue() % 17 , entry.getValue() / 17 ,countNum ++ ,isBlack);isBlack = !isBlack;isWin(maxLine(chesses[entry.getValue()]));canPress = true;}this.repaint();}//下一步if(e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 590 && e.getY() <= 630 && downCanPress) {if(count < SIZE ) {int index = tm.get(++count); chesses[index] = new Chess(index % 17 , index / 17 ,count,isBlack);isBlack = !isBlack;tmTemp.put(count , index);}//testSystem.out.println(tm+" " + SIZE + "\n" +tmTemp + count  );}if(count == SIZE) {downCanPress = false;}else if(count == 0) {upCanPress = false;}else {downCanPress = true;upCanPress = true;}this.repaint();}

readLoad方法：

//读取功能，弹出窗口选择保存文档public void readLoad() {JFileChooser chooser = new JFileChooser();FileNameExtensionFilter filter = new FileNameExtensionFilter("(*.txt)", "txt");chooser.setFileFilter(filter);int option = chooser.showOpenDialog(null);if(option==JFileChooser.APPROVE_OPTION){File file = chooser.getSelectedFile();System.out.println(file.getAbsolutePath());restart();//定义的重开的方法：棋盘清空，存档清空…try {br = new BufferedReader(new FileReader(file));String line = null;while((line = br.readLine()) != null) {String[] arr = line.split(" ");int num = Integer.parseInt(arr[1]);if(chesses[num] == null) {chesses[num] = new Chess(num % 17,num / 17,countNum++,isBlack);isBlack = !isBlack;tm.put(countNum - 1, num);this.repaint();isWin(maxLine(chesses[num]));}else {JOptionPane.showMessageDialog(this, "文件读取错误\r\n棋子重复");break;}}} catch (Exception e1) {e1.printStackTrace();}finally {if(br != null) {try {br.close();} catch (IOException e1) {e1.printStackTrace();}}}isSaved = true;}}

涉及到IO流和弹窗的类的使用，具体怎么存档可以根据自己开发需要进行修改。

读档的时候，因为可能会多次“上一步”和“下一步”，这里选择再新建一个TreeMap用来复制读档，这个TreeMap的作用就是保存完整的读档文件，具体上一步下一步的操作结果是落实在我们之前就新建好的TreeMap来存档文件，这样可以保证重复“上一步”和“下一步”的操作。

等点击“加载游戏”的时候，再用临时的TreeMap复制进棋盘存储数据的TreeMap中。

等无法进行“上一步”或者“下一步”的操作时，会进行一个判断，此时会将无法执行的按键（比如，才开始读档时，是不能点“下一步”的，或者棋盘已经没有棋子的时候，是不能“上一步”的），按键的样式会变灰一点，具体的实现在绘画代码块中，只需要讲按键方法中最后一个值改为false就行，canPress布尔变量就是定义来干这个事情的。

以下是其他功能的实现代码，同样，绘图的实现在最上面的代码块中。

/** 重新开始功能*/if(canPress && e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 100 && e.getY() <= 140 ) {if(canPlay == true) {if(countNum == 1) {JOptionPane.showMessageDialog(this, "棋盘并无棋子");}else {int isYes = JOptionPane.showConfirmDialog(this, "胜负未分，是否重新开始","restart",JOptionPane.YES_NO_OPTION);if(isYes== 0) {restart();}}}else {restart();}}/**悔棋功能*/if(canPress && e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 170 && e.getY() <= 210) {int isYes = JOptionPane.showConfirmDialog(this, "是否悔棋","take back a move",JOptionPane.YES_NO_OPTION);if(isYes== 0) {if(tm.get(1) != null) {canPlay = true;isBlack = !isBlack;isSaved = false;chesses[tm.remove(--countNum)] = null;this.repaint();}else {JOptionPane.showMessageDialog(this, "棋盘没有棋子");}}else {//JOptionPane.showMessageDialog(this, "悔棋失败");}}/** 保存功能：落子顺序和坐标数组序号*/ if(canPress && e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 310 && e.getY() <= 350) {int isYes = JOptionPane.showConfirmDialog(this, "是否保存棋局","saveload",JOptionPane.YES_NO_OPTION);if(isYes == 0) {saveLoad();}}/** 返回大厅*/if(e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 660 && e.getY() <= 700) {if(isSaved == true) {int isYes = JOptionPane.showConfirmDialog(this, "是否退出","exit",JOptionPane.YES_NO_OPTION);if(isYes== 0) {page = 1;restart();this.repaint();}}else {int isYes = JOptionPane.showConfirmDialog(this, "棋谱未保存，是否退出前保存？","exit",JOptionPane.YES_NO_CANCEL_OPTION);if(isYes== 0) {saveLoad();page = 1;restart();this.repaint();}else if(isYes == 1){page = 1;restart();this.repaint();}else {}}}/** 认输功能*/if(e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 240 && e.getY() <= 280) {int isYes = JOptionPane.showConfirmDialog(this, "是否认输","give up",JOptionPane.YES_NO_OPTION);if(isYes== 0) {canPlay = false;if(isBlack == true) {JOptionPane.showMessageDialog(this, "白方胜利");}else {JOptionPane.showMessageDialog(this, "黑方胜利");}    }}

方法代码：

//重新开始public void restart() {canPlay = true;isBlack = true;isSaved = false;chesses = new Chess[17 * 17];countNum = 1;tm = new TreeMap<Integer,Integer>();this.repaint();}
//保存功能，弹出窗口保存public void saveLoad() {JFileChooser chooser = new JFileChooser();FileNameExtensionFilter filter = new FileNameExtensionFilter("(*.txt)", "txt");chooser.setFileFilter(filter);int option = chooser.showSaveDialog(null);if(option==JFileChooser.APPROVE_OPTION){  File file = chooser.getSelectedFile();String fileName = chooser.getName(file);if(fileName.indexOf(".txt")==-1){file = new File(chooser.getCurrentDirectory(),fileName+".txt");System.out.println("renamed"); System.out.println(file.getName());}try {bw = new BufferedWriter(new FileWriter(file));for(Map.Entry<Integer,Integer> entry : tm.entrySet()) {bw.write(entry.getKey() + " " + entry.getValue());bw.newLine();bw.flush();}}catch(IOException ee){System.out.println("IO异常");ee.printStackTrace();}finally{if(bw != null) {try {bw.close();} catch (IOException e1) {e1.printStackTrace();}}}isSaved = true;}}

这样基本的单机版就算完成了。因为代码是从完整版里面截下来的，比较乱，不过没关系，最后会有全部的代码汇总。

再来一个难实现的功能就是联网了，（为了实现这个功能熬了半个月的夜，当然现在回想起来也不难，自己基础没打好）。

联网的思路有很多，可以建立一个服务器类，棋盘类的代码只需要完成连接服务器的socket就行，当然服务器的构建就会需要花费很多功夫了，毕竟还有匹配（开房间），禁止其他人加入这些功能需要考虑。

我选择了另一个简单的思路：棋盘类继承Runnable类，重写run方法，等点击联网功能键的时候，开出一个支线程，在线程中开启一个 ServerSocket用来接受另一个客户端发来的信息。

等需要发送信息的时候，调用发送方法，新建socket连接对方服务器，即可完成信息的交互。

这里还需要多一嘴，落子的信息很好理解：落子时，只需要将我的落子的棋子在chesses[]数组中的索引给到对方即可，那功能按键呢？

我选择用常量来代替，棋盘落子只需要用到0到17*17 - 1这个区间，那么从17 * 17开始，就可以定义为功能按键的信息。具体代码：

@Overridepublic void run() {// TODO Auto-generated method stubSystem.out.println("执行run()");String line = null;try {server = new ServerSocket(Integer.parseInt(yourPort));while(true) {matchsocket = server.accept();System.out.println("连接成功");obr = new BufferedReader(new InputStreamReader(matchsocket.getInputStream()));line = obr.readLine();int inputNum =Integer.parseInt(line.trim());System.out.println("读取数据" + inputNum);translator(inputNum);}} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}}public void send(int i) {try {yoursocket = new Socket(matchIP,Integer.parseInt(matchPort.trim()));obw = new BufferedWriter(new OutputStreamWriter(yoursocket.getOutputStream()));obw.write(String.valueOf(i));obw.newLine();System.out.println("发送数据" + i);obw.flush();obw.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}public void translator(int i) {if(ONLINE_DISCONNECT == i) {isFilled = false;yourIP = null;yourPort = null;matchIP = null;matchPort = null;obw = null;obr = null;yoursocket = null;matchsocket = null;server = null;onlineRestart();page = 1;this.repaint();}else if(ONLINE_RESTART_REQUEST == i) {//只能判断胜负后才能重开restartWaitting = true;JOptionPane.showMessageDialog(this, "对手希望再来一局");}else if(ONLINE_RESTART_YES == i) {onlineRestart();int j = random.nextInt(100);myNum = ONLINE_DISCONNECT + j + 1;send(myNum);}else if(ONLINE_REGRATE_REQUEST == i) {regrateCanPress = false;int isYes = JOptionPane.showConfirmDialog(this, "对方请求悔棋，是否同意","take back a move",JOptionPane.YES_NO_OPTION);if(isYes == 0) {send(ONLINE_REGRATE_YES);canPlay = true;isBlack = !isBlack;yourTurn = !yourTurn;isSaved = false;chesses[tm.remove(--countNum)] = null;regrateCanPress = true;this.repaint();}else {send(ONLINE_REGRATE_NO);regrateCanPress = true;}}else if(i > ONLINE_DISCONNECT && i <= ONLINE_DISCONNECT + 100) {yourTurn = myNum > i ? true : false ;isBlack = true;if(yourTurn) {send(ONLINE_MYTURN);JOptionPane.showMessageDialog(this, "执先手");}else {send(ONLINE_YOURTURN);JOptionPane.showMessageDialog(this, "执后手");}}else if(ONLINE_REGRATE_YES == i) {canPlay = true;isBlack = !isBlack;yourTurn = !yourTurn;isSaved = false;chesses[tm.remove(--countNum)] = null;regrateCanPress = true;this.repaint();}else if(ONLINE_REGRATE_NO == i) {JOptionPane.showMessageDialog(this, "对方不同意悔棋");regrateCanPress = true;}else if(ONLINE_SURRENDER == i) {canPlay = false;JOptionPane.showMessageDialog(this, "胜利：对方认输");}else if(i >= 0 && i < 17 * 17) {chesses[i]  = new Chess(i % 17 , i / 17, countNum++ , isBlack);onlineIsWin(maxLine(chesses[i]));isBlack = !isBlack;yourTurn = !yourTurn;isSaved = false;tm.put(chesses[i].getOrderNum(), i);this.repaint();}else if(ONLINE_MYTURN == i) {yourTurn = false;isBlack = true;}else if(ONLINE_YOURTURN == i) {yourTurn = true;isBlack = yourTurn;}else if(ONLINE_WIN == i) {JOptionPane.showMessageDialog(this, "游戏结束");}}

三个方法，分别用来实现[开启服务器][发送信息]和[翻译信息]。

之后，我们只需要在单机版上做出一点调整即可，每次对棋盘做出修改的时候，将相应的信息传递给对方，对方通过translator()方法翻译出来，在棋盘上做出相应的动作即可。

全部的代码在这：

这是主类棋盘类，几乎所有的功能都在这里实现（按理说不应该这样……）：

package mygobang;import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Toolkit;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.image.BufferedImage;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Map;
import java.util.Random;
import java.util.TreeMap;import javax.imageio.ImageIO;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.FloatControl;
import javax.sound.sampled.SourceDataLine;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.filechooser.FileNameExtensionFilter;class Gb  extends JFrame implements MouseListener ,Runnable {/*** */private static final long serialVersionUID = 1L;JLabel label;BufferedImage imageMusic = null ;BufferedWriter bw = null;BufferedReader br = null;//文档的流Thread onlineThread = new Thread(this);BufferedReader obr = null;BufferedWriter obw = null;//联网的流Chess[] chesses = new Chess[17 * 17];TreeMap<Integer,Integer> tm = new TreeMap<>();//key为序号 value为坐标对应的数组indexTreeMap<Integer,Integer> tmTemp;//读取进度时用，点击加载覆盖tmstatic int width = Toolkit.getDefaultToolkit().getScreenSize().width;static int height = Toolkit.getDefaultToolkit().getScreenSize().height;boolean isReading = false;boolean upCanPress = true;boolean downCanPress = false;static boolean hasWindow = false;static boolean threadIsStart = false;static String yourIP = null;static String yourPort = null;static String matchIP = null;static String matchPort = null;private int page = 1;//1 为开始界面。2为单机界面。3为联机界面。ServerSocket server = null;Socket yoursocket = null , matchsocket = null;Random random = new Random();boolean yourTurn = false;boolean restartWaitting = false;boolean restartCanPress = true;boolean regrateCanPress = true;public static final int ONLINE_RESTART_REQUEST = 17 * 17;public static final int ONLINE_RESTART_YES = 17 * 17 + 1;public static final int ONLINE_REGRATE_REQUEST = 17 * 17 + 2;public static final int ONLINE_REGRATE_YES = 17 * 17 + 3;public static final int ONLINE_REGRATE_NO = 17 * 17 + 4;public static final int ONLINE_SURRENDER = 17 * 17 + 5;public static final int ONLINE_MYTURN = 17 * 17 + 6;public static final int ONLINE_YOURTURN = 17 * 17 + 7;public static final int ONLINE_WIN = 17 * 17 + 8;public static final int ONLINE_DISCONNECT = 404;int myNum ;public Gb() {this.setTitle("五子棋游戏未完成版");this.setSize(900, 800);this.setLocation((width - 800) / 2, (height - 800) / 2 );this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);this.setResizable(false);this.setVisible(true);this.repaint();this.addMouseListener(this);while(true) {this.music();}}//画棋盘public void paint(Graphics g) {BufferedImage buf = new BufferedImage(900, 800, BufferedImage.TYPE_INT_RGB);Graphics g1 = buf.createGraphics();/*** 开始界面*/if(page == 1 ) {//背景和棋盘底色//http://zhongguose.com/#zhizihuangg1.setColor(new Color(248,232,193));//背景g1.fill3DRect(0, 0, 900, 800, true);g1.setColor(new Color(158,204,171));g1.fill3DRect(200, 300, 200, 200,true);g1.fill3DRect(550, 300, 200, 200,true);BufferedImage game = null;BufferedImage people = null;try {game = ImageIO.read(new File("game1.png"));people =ImageIO.read(new File("people1.png"));} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}g1.drawImage(game,260,360,null);g1.drawImage(people,610,360,null);try {imageMusic= playMusic ? ImageIO.read(new File("performance.png")) : ImageIO.read(new File("volume-mute.png"));} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}g1.drawImage(imageMusic,820,47,null);}else if (page == 2 ) {//选项//背景和棋盘底色//http://zhongguose.com/#zhizihuangg1.setColor(new Color(248,232,193));//背景g1.fill3DRect(0, 0, 900, 800, true);g1.setColor(new Color(235,177,13));//棋盘色g1.fill3DRect(60, 60, 680, 680, true);//棋盘线for (int i = 80; i <= 720; i += 40) {g1.setColor(Color.BLACK);g1.drawLine(80, i, 720, i);g1.drawLine(i, 80, i, 720);}//右上角黑白棋if(isBlack) {g1.setColor(Color.BLACK);g1.fillOval(770, 50, 30, 30);}else {g1.setColor(Color.WHITE);g1.fillOval(770, 50, 30, 30);}//音乐键try {imageMusic= playMusic ? ImageIO.read(new File("performance.png")) : ImageIO.read(new File("volume-mute.png"));} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}g1.drawImage(imageMusic,820,47,null);//功能按键g1.setFont(new Font("微软雅黑",Font.BOLD,15));g1.setColor(new Color(158,204,171));g1.fill3DRect(770, 100, 100, 40,true);g1.fill3DRect(770, 170, 100, 40,true);g1.fill3DRect(770, 240, 100, 40,true);g1.fill3DRect(770, 310, 100, 40,true);g1.fill3DRect(770, 380, 100, 40,true);if(isReading) {g1.fill3DRect(770, 450, 100, 40,upCanPress);g1.fill3DRect(770, 520, 100, 40,true);g1.fill3DRect(770, 590, 100, 40,downCanPress);}g1.fill3DRect(770, 660, 100, 40,true);g1.setColor(Color.BLACK);g1.drawString("重新开始", 780, 125);g1.drawString("悔棋", 780, 195);g1.drawString("认输", 780, 265);g1.drawString("保存进度", 780, 335);g1.drawString("读取进度", 780, 405);if(isReading) {g1.drawString("上一步", 780, 475);g1.drawString("加载游戏", 780, 545);g1.drawString("下一步", 780, 615);}g1.drawString("返回大厅", 780, 685);//棋子填充颜色for(int i = 0 ; i < 17 ; i++ ) {for(int j = 0 ; j < 17 ; j++) {if(chesses[ i + j * 17] != null) {int realX = 70 + i * 40;int realY = 70 + j * 40;//判断棋子颜色 true为黑色  false为白色if (chesses[i + j * 17].isBlack() == true) {g1.setColor(Color.BLACK);g1.fillOval(realX, realY, 20, 20);}else if (chesses[i + j * 17].isBlack() == false) {g1.setColor(Color.WHITE);g1.fillOval(realX, realY, 20, 20);}}}}}else/* page == 3  */ {//选项//背景和棋盘底色//http://zhongguose.com/#zhizihuangg1.setColor(new Color(248,232,193));//背景g1.fill3DRect(0, 0, 900, 800, true);g1.setColor(new Color(235,177,13));//棋盘色g1.fill3DRect(60, 60, 680, 680, true);//棋盘线for (int i = 80; i <= 720; i += 40) {g1.setColor(Color.BLACK);g1.drawLine(80, i, 720, i);g1.drawLine(i, 80, i, 720);}//右上角黑白棋if(isBlack) {g1.setColor(Color.BLACK);g1.fillOval(770, 50, 30, 30);}else {g1.setColor(Color.WHITE);g1.fillOval(770, 50, 30, 30);}//音乐键try {imageMusic= playMusic ? ImageIO.read(new File("performance.png")) : ImageIO.read(new File("volume-mute.png"));} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}g1.drawImage(imageMusic,820,47,null);//功能按键g1.setFont(new Font("微软雅黑",Font.BOLD,15));g1.setColor(new Color(158,204,171));g1.fill3DRect(770, 100, 100, 40,true);g1.fill3DRect(770, 170, 100, 40,true);g1.fill3DRect(770, 240, 100, 40,true);g1.fill3DRect(770, 310, 100, 40,true);g1.fill3DRect(770, 660, 100, 40,true);g1.setColor(Color.BLACK);//188，132，168g1.drawString("重新开始", 780, 125);g1.drawString("悔棋", 780, 195);g1.drawString("认输", 780, 265);g1.drawString("保存进度", 780, 335);g1.drawString("返回大厅", 780, 685);//棋子填充颜色for(int i = 0 ; i < 17 ; i++ ) {for(int j = 0 ; j < 17 ; j++) {if(chesses[ i + j * 17] != null) {int realX = 70 + i * 40;int realY = 70 + j * 40;//判断棋子颜色 true为黑色  false为白色if (chesses[i + j * 17].isBlack() == true) {g1.setColor(Color.BLACK);g1.fillOval(realX, realY, 20, 20);}else if (chesses[i + j * 17].isBlack() == false) {g1.setColor(Color.WHITE);g1.fillOval(realX, realY, 20, 20);}}}}}g.drawImage(buf, 0 , 0 ,this);}//鼠标点击下棋子boolean canPlay = true;boolean isBlack = true;boolean isSaved = false;boolean canPress = true;static boolean isFilled = false;int countNum = 1;public void mousePressed(MouseEvent e) {/** 打开音乐，关闭音乐*/if(e.getX() >= 820 && e.getX() <= 850 && e.getY() >= 20 && e.getY() <= 80) {playMusic =!playMusic;this.repaint();}/*** 三个页面  page 1,2,3  */if (page == 1 && !hasWindow) {//人机按钮if(e.getX() >= 200 && e.getX() <= 400 && e.getY() >= 300 && e.getY() <= 500) {page = 2;this.repaint();}//联网对战按钮if(e.getX() >= 550 && e.getX() <= 750 && e.getY() >= 300 && e.getY() <= 500) {page = 3;hasWindow = true;this.repaint();new ComponentInWindow();int i = random.nextInt(100);myNum = ONLINE_DISCONNECT + i + 1;System.out.println("随机数是" + myNum);}}else if(page == 2 && !hasWindow) {/** 重新开始功能*/if(canPress && e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 100 && e.getY() <= 140 ) {if(canPlay == true) {if(countNum == 1) {JOptionPane.showMessageDialog(this, "棋盘并无棋子");}else {int isYes = JOptionPane.showConfirmDialog(this, "胜负未分，是否重新开始","restart",JOptionPane.YES_NO_OPTION);if(isYes== 0) {restart();}}}else {restart();}}/**悔棋功能*/if(canPress && e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 170 && e.getY() <= 210) {int isYes = JOptionPane.showConfirmDialog(this, "是否悔棋","take back a move",JOptionPane.YES_NO_OPTION);if(isYes== 0) {if(tm.get(1) != null) {canPlay = true;isBlack = !isBlack;isSaved = false;chesses[tm.remove(--countNum)] = null;this.repaint();}else {JOptionPane.showMessageDialog(this, "棋盘没有棋子");}}else {//JOptionPane.showMessageDialog(this, "悔棋失败");}}/** 保存功能：落子顺序和坐标数组序号*/    if(canPress && e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 310 && e.getY() <= 350) {int isYes = JOptionPane.showConfirmDialog(this, "是否保存棋局","saveload",JOptionPane.YES_NO_OPTION);if(isYes == 0) {saveLoad();}}/** 读取进度功能*/if(e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 380 && e.getY() <= 420) {int isYes = JOptionPane.showConfirmDialog(this, "是否读取进度","readload",JOptionPane.YES_NO_OPTION);if(isYes== 0) {isReading = true;readLoad();tmTemp = new TreeMap<>();for(Map.Entry<Integer, Integer> entry : tm.entrySet()) {tmTemp.put(entry.getKey(), entry.getValue());}}}/** 读取中的扩展功能*/if(isReading) {canPlay = false;canPress = false;int SIZE = tm.size();int count = tmTemp.size();//上一步if(e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 450 && e.getY() <= 490 && upCanPress) {if(count > 0 ) {chesses[tmTemp.get(count)] = null;tmTemp.remove(count-- );isBlack = !isBlack;}//testSystem.out.println(tm+" " + SIZE + "\n" +tmTemp + count );}//加载if(e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 520 && e.getY() <= 560) {isReading = false;restart();for(Map.Entry<Integer, Integer> entry : tmTemp.entrySet()) {tm.put(entry.getKey(), entry.getValue());chesses[entry.getValue()] = new Chess(entry.getValue() % 17 , entry.getValue() / 17 ,countNum ++ ,isBlack);isBlack = !isBlack;isWin(maxLine(chesses[entry.getValue()]));canPress = true;}this.repaint();}//下一步if(e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 590 && e.getY() <= 630 && downCanPress) {if(count < SIZE ) {int index = tm.get(++count); chesses[index] = new Chess(index % 17 , index / 17 ,count,isBlack);isBlack = !isBlack;tmTemp.put(count , index);}//testSystem.out.println(tm+" " + SIZE + "\n" +tmTemp + count  );}if(count == SIZE) {downCanPress = false;}else if(count == 0) {upCanPress = false;}else {downCanPress = true;upCanPress = true;}this.repaint();}/** 返回大厅*/if(e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 660 && e.getY() <= 700) {if(isSaved == true) {int isYes = JOptionPane.showConfirmDialog(this, "是否退出","exit",JOptionPane.YES_NO_OPTION);if(isYes== 0) {page = 1;restart();this.repaint();}}else {int isYes = JOptionPane.showConfirmDialog(this, "棋谱未保存，是否退出前保存？","exit",JOptionPane.YES_NO_CANCEL_OPTION);if(isYes== 0) {saveLoad();page = 1;restart();this.repaint();}else if(isYes == 1){page = 1;restart();this.repaint();}else {}}}if(canPlay) {/** 认输功能*/if(e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 240 && e.getY() <= 280) {int isYes = JOptionPane.showConfirmDialog(this, "是否认输","give up",JOptionPane.YES_NO_OPTION);if(isYes== 0) {canPlay = false;if(isBlack == true) {JOptionPane.showMessageDialog(this, "白方胜利");}else {JOptionPane.showMessageDialog(this, "黑方胜利");}    }}//下棋子int x = (e.getX() - 60) / 40;int y = (e.getY() - 60) / 40;if (e.getX() >= 80 && e.getY() >= 80 && e.getX() <= 720 && e.getY() <= 720) {//填充if(chesses[x + y * 17] == null) {chesses[x + y * 17] = new Chess(x,y,countNum++,isBlack);isBlack = !isBlack;isSaved = false;//测试：棋子序号 + 横坐标 + 纵坐标System.out.println(chesses[x + y * 17].getOrderNum() + "..." +chesses[x + y * 17].getX() + "..." + chesses[x + y * 17].getY());//testSystem.out.println(maxLine(chesses[x + y * 17]));}tm.put(chesses[x + y * 17].getOrderNum(), x + y * 17);this.repaint();}else {return;}//判断胜负isWin(maxLine(chesses[x + y * 17]));}}else if(page == 3 && !hasWindow) {System.out.println("点击");if(!hasWindow && !threadIsStart) {Thread t = new Thread(this);t.start();System.out.println("线程开启");send(myNum);threadIsStart = true;}//         if(threadIsStart) {
//
//          }/** 重新开始功能*/if(canPress && restartCanPress && e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 100 && e.getY() <= 140 ) {if(canPlay) {JOptionPane.showMessageDialog(this, "胜负未分，请勿放弃！");}else {if(!restartWaitting) {send(ONLINE_RESTART_REQUEST);restartWaitting = true;restartCanPress = false;}else {int i = random.nextInt(100);myNum = ONLINE_DISCONNECT + i + 1;send(ONLINE_RESTART_YES);send(myNum);onlineRestart();}}}/**悔棋功能*/if(canPress && regrateCanPress && !yourTurn && e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 170 && e.getY() <= 210) {int isYes = JOptionPane.showConfirmDialog(this, "是否悔棋","take back a move",JOptionPane.YES_NO_OPTION);if(isYes== 0) {if(tm.get(1) != null) {regrateCanPress = false;send(ONLINE_REGRATE_REQUEST);  }else {JOptionPane.showMessageDialog(this, "棋盘没有棋子");}}}/** 保存功能：落子顺序和坐标数组序号*/ if(canPress && e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 310 && e.getY() <= 350) {int isYes = JOptionPane.showConfirmDialog(this, "是否保存棋局","saveload",JOptionPane.YES_NO_OPTION);if(isYes == 0) {saveLoad();}}/** 返回大厅*/if(e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 660 && e.getY() <= 700) {if(isSaved == true) {int isYes = JOptionPane.showConfirmDialog(this, "是否退出","exit",JOptionPane.YES_NO_OPTION);if(isYes== 0) {isFilled = false;yourIP = null;yourPort = null;matchIP = null;matchPort = null;obw = null;obr = null;yoursocket = null;matchsocket = null;server = null;threadIsStart = false;onlineRestart();page = 1;this.repaint();send(ONLINE_DISCONNECT);}}else {int isYes = JOptionPane.showConfirmDialog(this, "棋谱未保存，是否退出前保存？","exit",JOptionPane.YES_NO_CANCEL_OPTION);if(isYes== 0) {saveLoad();isFilled = false;yourIP = null;yourPort = null;matchIP = null;matchPort = null;obw = null;obr = null;yoursocket = null;matchsocket = null;server = null;threadIsStart = false;onlineRestart();page = 1;this.repaint();send(ONLINE_DISCONNECT);}else if(isYes == 1){isFilled = false;yourIP = null;yourPort = null;matchIP = null;matchPort = null;obw = null;obr = null;yoursocket = null;matchsocket = null;server = null;threadIsStart = false;onlineRestart();page = 1;this.repaint();send(ONLINE_DISCONNECT);}else {}}}if(canPlay) {/** 认输功能*/if(e.getX() >= 770 && e.getX() <= 870 && e.getY() >= 240 && e.getY() <= 280) {int isYes = JOptionPane.showConfirmDialog(this, "是否认输","give up",JOptionPane.YES_NO_OPTION);if(isYes== 0) {canPlay = false;send(ONLINE_SURRENDER);JOptionPane.showMessageDialog(this, "认输");}}//下棋子int x = (e.getX() - 60) / 40;int y = (e.getY() - 60) / 40;if (yourTurn && e.getX() >= 80 && e.getY() >= 80 && e.getX() <= 720 && e.getY() <= 720) {//填充if(chesses[x + y * 17] == null) {chesses[x + y * 17] = new Chess(x,y,countNum++,isBlack);send(x + y * 17);isBlack = !isBlack;yourTurn = !yourTurn;isSaved = false;//测试：棋子序号 + 横坐标 + 纵坐标System.out.println(chesses[x + y * 17].getOrderNum() + "..." +chesses[x + y * 17].getX() + "..." + chesses[x + y * 17].getY());//testSystem.out.println(maxLine(chesses[x + y * 17]));}tm.put(chesses[x + y * 17].getOrderNum(), x + y * 17);this.repaint();}else {return;}//判断胜负onlineIsWin(maxLine(chesses[x + y * 17]));}}}boolean playMusic = true;public void music() {try {AudioInputStream ais = AudioSystem.getAudioInputStream(new File("UGmusic.wav"));AudioFormat aif = ais.getFormat();final SourceDataLine sdl;DataLine.Info info = new DataLine.Info(SourceDataLine.class, aif);sdl = (SourceDataLine) AudioSystem.getLine(info);sdl.open(aif);sdl.start();FloatControl fc = (FloatControl) sdl.getControl(FloatControl.Type.MASTER_GAIN);// value可以用来设置音量，从0-2.0double value = 2;float dB = (float) (Math.log(value == 0.0 ? 0.0001 : value) / Math.log(10.0) * 20.0);fc.setValue(dB);int nByte = 0;final int SIZE = 1024 * 64;byte[] buffer = new byte[SIZE];while (nByte != -1) {// 判断 播放/暂停 状态if(playMusic) {nByte = ais.read(buffer, 0, SIZE);sdl.write(buffer, 0, nByte);}else {nByte = ais.read(buffer, 0, 0);}}sdl.stop();} catch (Exception e) {e.printStackTrace();}}//判断最长连子数public int maxLine(Chess chess) {int xLine = 1;int yLine = 1;int rightLine = 1;int leftLine = 1;int max = 1;int index = chess.getX() + chess.getY() * 17;//横向判断 for (int i = index - 4 ; i < index + 4 ; i ++) {if (i > 0 && i < 17*17 - 1 && (i + 1) / 17 - i / 17 == 0 ) {if(chesses[i] != null && chesses[i].equals(chess) && chesses[i + 1] != null && chesses[i + 1].equals(chess)) {xLine++;}else {xLine = 1;continue;}max = xLine > max ? xLine : max;}else {xLine = 1;}}//纵向判断if (max == 5) {return 5;}else {for (int i = index - 4 * 17 ; i < index + 4 * 17 ; i += 17) {if (i > 0 && i < 17*17 - 17 && (i + 17) % 17 - i % 17 == 0 ) {if(chesses[i] != null && chesses[i].equals(chess) && chesses[i + 17] != null && chesses[i + 17].equals(chess)) {yLine++;}else {yLine = 1;continue;}max = yLine > max ? yLine : max;}else {yLine = 1;}}}//斜向\if(max == 5) {return 5;}else {for (int i = index - 4 * 18; i < index + 4 * 18 ; i += 18) {if (i > 0 && i < 17*17 -  18 && (i+ 18) / 17 - i / 17 == 1 ) {if(chesses[i] != null && chesses[i].equals(chess) && chesses[i + 18] != null && chesses[i + 18].equals(chess)) {leftLine++;}else {leftLine = 1;continue;}max = leftLine > max ? leftLine : max;}else {leftLine = 1;}}}// 斜向/if(max == 5) {return 5;}else {for (int i = index - 4 * 16; i < index + 4 * 16 ; i += 16) {if (i > 0 && i < 17*17 -  16 && (i+ 16) / 17 - i / 17 == 1 ) {if(chesses[i] != null && chesses[i].equals(chess) && chesses[i + 16] != null && chesses[i + 16].equals(chess)) {rightLine++;}else {rightLine = 1;continue;}max = rightLine > max ? rightLine : max;}else {rightLine = 1;}}}return max;  }//重新开始public void restart() {canPlay = true;isBlack = true;isSaved = false;chesses = new Chess[17 * 17];countNum = 1;tm = new TreeMap<Integer,Integer>();this.repaint();}//联网重新开始public void onlineRestart() {canPlay = true;isBlack = true;isSaved = false;chesses = new Chess[17 * 17];countNum = 1;tm = new TreeMap<Integer,Integer>();restartWaitting = false;restartCanPress = true;this.repaint();}//判断是否胜利，输入最长连子数public void isWin(int i) {if (i >= 5) {canPlay = false;if(isBlack == true) {JOptionPane.showMessageDialog(this, "白方胜利");}else {JOptionPane.showMessageDialog(this, "黑方胜利");}}}public void onlineIsWin(int i) {if (i >= 5) {canPlay = false;if(yourTurn) {JOptionPane.showMessageDialog(this, "游戏结束！");}else {send(ONLINE_WIN);}}}//保存功能，弹出窗口保存public void saveLoad() {JFileChooser chooser = new JFileChooser();FileNameExtensionFilter filter = new FileNameExtensionFilter("(*.txt)", "txt");chooser.setFileFilter(filter);int option = chooser.showSaveDialog(null);if(option==JFileChooser.APPROVE_OPTION){ File file = chooser.getSelectedFile();String fileName = chooser.getName(file);if(fileName.indexOf(".txt")==-1){file = new File(chooser.getCurrentDirectory(),fileName+".txt");System.out.println("renamed"); System.out.println(file.getName());}try {bw = new BufferedWriter(new FileWriter(file));for(Map.Entry<Integer,Integer> entry : tm.entrySet()) {bw.write(entry.getKey() + " " + entry.getValue());bw.newLine();bw.flush();}}catch(IOException ee){System.out.println("IO异常");ee.printStackTrace();}finally{if(bw != null) {try {bw.close();} catch (IOException e1) {e1.printStackTrace();}}}isSaved = true;}}//读取功能，弹出窗口选择保存文档public void readLoad() {JFileChooser chooser = new JFileChooser();FileNameExtensionFilter filter = new FileNameExtensionFilter("(*.txt)", "txt");chooser.setFileFilter(filter);int option = chooser.showOpenDialog(null);if(option==JFileChooser.APPROVE_OPTION){File file = chooser.getSelectedFile();System.out.println(file.getAbsolutePath());restart();try {br = new BufferedReader(new FileReader(file));String line = null;while((line = br.readLine()) != null) {String[] arr = line.split(" ");int num = Integer.parseInt(arr[1]);if(chesses[num] == null) {chesses[num] = new Chess(num % 17,num / 17,countNum++,isBlack);isBlack = !isBlack;tm.put(countNum - 1, num);this.repaint();isWin(maxLine(chesses[num]));}else {JOptionPane.showMessageDialog(this, "文件读取错误\r\n棋子重复");break;}}} catch (Exception e1) {e1.printStackTrace();}finally {if(br != null) {try {br.close();} catch (IOException e1) {e1.printStackTrace();}}}isSaved = true;}}public void translator(int i) {if(ONLINE_DISCONNECT == i) {isFilled = false;yourIP = null;yourPort = null;matchIP = null;matchPort = null;obw = null;obr = null;yoursocket = null;matchsocket = null;server = null;onlineRestart();page = 1;this.repaint();}else if(ONLINE_RESTART_REQUEST == i) {//只能判断胜负后才能重开restartWaitting = true;JOptionPane.showMessageDialog(this, "对手希望再来一局");}else if(ONLINE_RESTART_YES == i) {onlineRestart();int j = random.nextInt(100);myNum = ONLINE_DISCONNECT + j + 1;send(myNum);}else if(ONLINE_REGRATE_REQUEST == i) {regrateCanPress = false;int isYes = JOptionPane.showConfirmDialog(this, "对方请求悔棋，是否同意","take back a move",JOptionPane.YES_NO_OPTION);if(isYes == 0) {send(ONLINE_REGRATE_YES);canPlay = true;isBlack = !isBlack;yourTurn = !yourTurn;isSaved = false;chesses[tm.remove(--countNum)] = null;regrateCanPress = true;this.repaint();}else {send(ONLINE_REGRATE_NO);regrateCanPress = true;}}else if(i > ONLINE_DISCONNECT && i <= ONLINE_DISCONNECT + 100) {yourTurn = myNum > i ? true : false ;isBlack = true;if(yourTurn) {send(ONLINE_MYTURN);JOptionPane.showMessageDialog(this, "执先手");}else {send(ONLINE_YOURTURN);JOptionPane.showMessageDialog(this, "执后手");}}else if(ONLINE_REGRATE_YES == i) {canPlay = true;isBlack = !isBlack;yourTurn = !yourTurn;isSaved = false;chesses[tm.remove(--countNum)] = null;regrateCanPress = true;this.repaint();}else if(ONLINE_REGRATE_NO == i) {JOptionPane.showMessageDialog(this, "对方不同意悔棋");regrateCanPress = true;}else if(ONLINE_SURRENDER == i) {canPlay = false;JOptionPane.showMessageDialog(this, "胜利：对方认输");}else if(i >= 0 && i < 17 * 17) {chesses[i]  = new Chess(i % 17 , i / 17, countNum++ , isBlack);onlineIsWin(maxLine(chesses[i]));isBlack = !isBlack;yourTurn = !yourTurn;isSaved = false;tm.put(chesses[i].getOrderNum(), i);this.repaint();}else if(ONLINE_MYTURN == i) {yourTurn = false;isBlack = true;}else if(ONLINE_YOURTURN == i) {yourTurn = true;isBlack = yourTurn;}else if(ONLINE_WIN == i) {JOptionPane.showMessageDialog(this, "游戏结束");}}public void send(int i) {try {yoursocket = new Socket(matchIP,Integer.parseInt(matchPort.trim()));obw = new BufferedWriter(new OutputStreamWriter(yoursocket.getOutputStream()));obw.write(String.valueOf(i));obw.newLine();System.out.println("发送数据" + i);obw.flush();obw.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}@Overridepublic void run() {// TODO Auto-generated method stubSystem.out.println("执行run()");String line = null;try {server = new ServerSocket(Integer.parseInt(yourPort));while(true) {matchsocket = server.accept();System.out.println("连接成功");obr = new BufferedReader(new InputStreamReader(matchsocket.getInputStream()));line = obr.readLine();int inputNum =Integer.parseInt(line.trim());System.out.println("读取数据" + inputNum);translator(inputNum);}} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}}@Overridepublic void mouseClicked(MouseEvent e) {}@Overridepublic void mouseReleased(MouseEvent e) {// TODO Auto-generated method stub}@Overridepublic void mouseEntered(MouseEvent e) {// TODO Auto-generated method stub}@Overridepublic void mouseExited(MouseEvent e) {// TODO Auto-generated method stub}}

新建一个棋子类：

package mygobang;public class Chess {private int x;private int y;private int orderNum;private boolean black;public Chess() {}public Chess(int x, int y, int orderNum, boolean color) {super();this.x = x;this.y = y;this.orderNum = orderNum;this.black = color;}public int getX() {return x;}public void setX(int x) {this.x = x;}public int getY() {return y;}public void setY(int y) {this.y = y;}public int getOrderNum() {return orderNum;}public void setOrderNum(int orderNum) {this.orderNum = orderNum;}public boolean isBlack() {return black;}public void setBlack(boolean color) {this.black = color;}@Overridepublic boolean equals(Object obj) {if (this == obj)return true;if (obj == null)return false;if (getClass() != obj.getClass())return false;Chess other = (Chess) obj;return black == other.black;}}

联网时用到的一个弹窗类：

package mygobang;import java.awt.FlowLayout;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JTextField;public class ComponentInWindow extends JFrame implements ActionListener {JTextField text1,text2,text3,text4;JButton button;public ComponentInWindow() {init();setVisible(true);this.setResizable(false);this.setBounds(0, 0, 320, 150);this.setTitle("网络链接");this.setLocation((Gb.width - 320) / 2, (Gb.height - 150) / 2 );setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);button.addActionListener(this);add(button);}public void init() {setLayout(new FlowLayout()); // 设置布局add(new JLabel("你的IP:"));text1 = new JTextField(10);add(text1);add(new JLabel("你的端口:"));text2 = new JTextField(10);add(text2);add(new JLabel("对手IP:"));text3 = new JTextField(10);add(text3);add(new JLabel("对手端口:"));text4 = new JTextField(10);add(text4);add(new JLabel("按钮:"));button = new JButton("开始联机");add(button);}@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubGb.yourIP = text1.getText();Gb.yourPort = text2.getText();Gb.matchIP = text3.getText();Gb.matchPort = text4.getText();if(!Gb.yourIP.equals("") && !Gb.yourPort.equals("") && !Gb.matchIP.equals("") && !Gb.matchPort.equals("")) {Gb.hasWindow = false;Gb.isFilled = true;this.dispose();}else {JOptionPane.showMessageDialog(this, "请输入IP和端口");}}
}

执行main类：

package mygobang;public class Run  {public static void main(String[] args) {new Gb();}
}

最后给个效果图：

这是第一页，左边单机，右边联网。右上角是背景音乐，点一下可以暂停，同时图片会换。

单机的就是封面了，再来个联网的：

输入完毕后就可以开始游戏了。（局域网）

没有点击开始联机，小窗口是关不掉的，同时棋盘也无法进行操作。

代码源文件和用到的图片音乐都上传到云了，需要自取：

链接: https://pan.baidu.com/s/1gg17ibt9eInbJO8GEgZ5ow

提取码: wfnu

当然，肯定也有做五子棋完成作业的小伙伴，除了特定的IO流弹窗类绘图类这种，尽量看了之后自己手打哈。

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