游戏规则：

• 1.将/帅：不能出田字格，不能走斜线，只能前进后退向左向右，每次只走一格；
• 2.士/仕：不能出田字格，只能走斜线，每次只走一格；
• 3.象/相：只能走田字格，中间防止蹩脚，不能有棋；

• 4.马：只能走日，（这个比较麻烦，且看下图标识）

• 5.车：车只能走直线，这个很好理解，不细说了；
• 6.炮：
  情况一：纯走路—->中间和目的地都不能有棋
  情况二：吃棋—–>中间要有一颗棋，目标也有棋，且是敌方的棋，毕竟不能自己吃自己哈

• 7.卒/兵：
  河这边：只能前进不能后退，不能横着走！！！
  河对面：可以前进，可以横着走，不能后退！！！

面板设计

看上去一定很挫！哈哈，别急，听我细细道来！
一般的界面设计我们都知道横纵坐标是这样的：

但是我选择背道而行，不是因为别的，是为了更好的去让初学者理解，我们把原本的x坐标看成数组的列（col），把y坐标看成我们数组的行（row），这样是不是更好理解一点呢，当然了我就是这么理解的，哈哈，接下来的游戏代码编程我们会把横坐标用y*width，纵坐标用x*height你们应该就能理解为什么了，因为x是数组的行，也就是坐标纵坐标（y）的体现，同理数组中的y也是如此。

数据传输：这里我们采用UDP协议来进行通讯，所以你们也要先去了解一下UDP协议的一些基本方法，这里就不细讲了。

通讯协议：这里我们自定义通讯协议啊：

“play|”——–以此开头代表一端发出了游戏邀请，等待另一端的回应；

“connect|”——-以此开头代表另一端收到邀请并且同意建立连接通讯！如果邀请者收到这条消息就代表通讯建立成功，可以开始游戏了；

“move|”——以此开头代表移动数据传输，如果一端移动了棋子，那么另一端也要收到信息，重新绘制界面；

“lose|”——–以此开头代表一方认输，如果有一方认输就会向另一方发送该信息；

“quit|”——-以此开头代表一方退出游戏，任意一方离开都会向对方发送该信息，以提示对方；

“success|”—–以此开头代表胜利，某一方胜利就向对方发出信息，通知对方；

“regret|”——以此开头表示悔棋，这个不用讲了吧，大家都明白，但是本次编程中我没有把这个加进去，这个你们可以自己根据自己需要去添加。

（肯定有人问我这个协议是谁定义的，啊哈哈，让你们失望了，这是我自己定义的，这个通讯协议只适用于你们写的这个代码，和使用这个代码的两个人通讯使用，所以协议如何自己可以定义的哦）

代码实现

1.Chess类：
package internet_chess;import java.awt.Graphics;
import java.awt.Image;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.image.ImageObserver;import javax.swing.JPanel;public class Chess {public int Row = 12;public int Col = 11;public String chessName;//当前棋子对象的名字public int owner;//当前棋子对象的所有者--黑方还是红方public Point point;//当前棋子对象的位置public Image chessImage;//当前棋子对象的图像private int BLACKCHESS = 1;private int REDCHESS = 0;//红方0，黑方1private int width = 40;private int height = 40;public Chess(String name, int own,Point point)//获取每一个棋子对象名字，所有者，位置，和图片信息{this.chessName = name;this.owner = own;this.point = point;if(owner == BLACKCHESS)//如果所有者是黑方{if(chessName.equals("将")){chessImage = Toolkit.getDefaultToolkit().getImage("F:/Image/chess/0.png");}else if(chessName.equals("士")){chessImage = Toolkit.getDefaultToolkit().getImage("F:/Image/chess/1.png");}else if(chessName.equals("象")){chessImage = Toolkit.getDefaultToolkit().getImage("F:/Image/chess/3.png");}else if(chessName.equals("马")){chessImage = Toolkit.getDefaultToolkit().getImage("F:/Image/chess/5.png");}else if(chessName.equals("车")){chessImage = Toolkit.getDefaultToolkit().getImage("F:/Image/chess/7.png");}else if(chessName.equals("炮")){chessImage = Toolkit.getDefaultToolkit().getImage("F:/Image/chess/9.png");}else if(chessName.equals("卒")){chessImage = Toolkit.getDefaultToolkit().getImage("F:/Image/chess/11.png");}}else//如果所有者是红方{if(chessName.equals("帅")){chessImage = Toolkit.getDefaultToolkit().getImage("F:/Image/chess/16.png");}else if(chessName.equals("仕")){chessImage = Toolkit.getDefaultToolkit().getImage("F:/Image/chess/17.png");}else if(chessName.equals("相")){chessImage = Toolkit.getDefaultToolkit().getImage("F:/Image/chess/19.png");}else if(chessName.equals("马")){chessImage = Toolkit.getDefaultToolkit().getImage("F:/Image/chess/21.png");}else if(chessName.equals("车")){chessImage = Toolkit.getDefaultToolkit().getImage("F:/Image/chess/23.png");}else if(chessName.equals("炮")){chessImage = Toolkit.getDefaultToolkit().getImage("F:/Image/chess/25.png");}else if(chessName.equals("兵")){chessImage = Toolkit.getDefaultToolkit().getImage("F:/Image/chess/27.png");}}}protected void paint(Graphics g,JPanel i)//画棋子{g.drawImage(chessImage, point.y*width-width/2, point.x*height-height/2, width, height, (ImageObserver)i);}protected void paintSeclected(Graphics g)//画鼠标选择了以后的棋子对象的边框{g.drawRect(point.y*width-width/2, point.x*height-height/2, width, height);}public void SetPos(int x, int y)//重新设置移动以后的棋子对象的位置坐标{point.x = x;point.y = y;}public void ReversePos()//将该对象的位置坐标逆置输出，用于方便显示信息情况{point.x = Row-1 - point.x;point.y = Col-1 - point.y;}
}2.ChessPanel类：
package internet_chess;import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;
import java.net.UnknownHostException;import javax.swing.JOptionPane;
import javax.swing.JPanel;public class ChessPanel extends JPanel implements Runnable{private int BLACKCHESS = 1;private int REDCHESS = 0;//黑棋是1，红旗是0public Chess chess[] = new Chess[32];//创建了32个棋子对象private int width = 40;private int height = 40;public int Row = 12;public int Col = 11;//11行10列public int map[][] = new int [Row][Col];public int player;//设置当前玩家对象private boolean isFirst = false;//判断是否是第一次点击的棋子，以此分开两次点击棋子的碰撞矛盾private int x1,y1,x2,y2;//用来保存第一次第二次选中的坐标的private boolean flag = true;//用来控制线程的运行private boolean isPlay = false;private Chess firstChess = null;private Chess secondChess = null;//设置第一次点击的棋子和第二次选中的棋子对象private InetAddress myID;//自己id地址private InetAddress youID;//目标ID地址private int sendport;//发送端口private int receiveport = 8888;//接收端口public ChessPanel()//构造函数{init_map();//初始化棋盘//给这个面板添加鼠标监听机制this.addMouseListener(new MouseAdapter(){public void mouseClicked(MouseEvent e){if(isPlay == true)//判断是否该本方下棋{SelectChess(e.getPoint());//选择要移动的棋子repaint();}}public void SelectChess(Point pos){int x = pos.x;int y = pos.y;//获取此时此刻鼠标点击的位置坐标System.out.println("选择要移动的棋子坐标：x->"+x+"  y->"+y);if(x > 0 && x < (Col-1)*width && y > 0 && y < (Row-1)*height)//判断鼠标是否在合理的范围，不在就直接退出{Point point = ReSetID(x,y);if(isFirst)//判断是否是第一次选中的棋子{x1 = point.x;y1 = point.y;//判断第一次选中的棋子是不是自己的棋子或者是不是无效棋子，不是就失败int id = map[x1][y1];if(id != -1 && chess[id].owner == player){isFirst = false;firstChess = chess[id];System.out.println("id->"+id);}else//第一次选择的棋子无效{JOptionPane.showConfirmDialog(null, "提示", "第一次选棋无效！请重新选择！", JOptionPane.OK_OPTION);isFirst = true;}}else//第二次选中的棋子{x2 = point.x;y2 = point.y;int id = map[x2][y2];if(id != -1 && chess[id].owner != player)//第二次选择了敌方棋子，将敌方棋子保存起来{isFirst = true;secondChess = chess[id];//开始判断是否可以移动棋子，如果可以就将棋子移动，并发信息给对方我们已经移动的棋子信息//判断是否可以移动棋子if(IsMoveChess(firstChess,x2,y2))//可以移动-吃棋{int idx1 = map[x1][y1];map[x1][y1] = -1;map[x2][y2] = idx1;chess[id] = null;firstChess.SetPos(x2, y2);repaint();send("move|"+String.valueOf(idx1)+"|"+String.valueOf(Row-1-x2)+"|"+String.valueOf(Col-1-y2)+"|",youID,sendport);if(id == 0)//吃掉了黑棋将军{send("success|红棋赢",youID,sendport);isPlay = false;JOptionPane.showConfirmDialog(null, "红棋胜利", "恭喜您，您赢了！", JOptionPane.OK_OPTION);return;}else if(id == 16)//吃掉了红棋大帅{send("success|黑棋赢",youID,sendport);isPlay = false;JOptionPane.showConfirmDialog(null, "黑棋胜利", "恭喜您，您赢了！", JOptionPane.OK_OPTION);return;}isFirst = true;isPlay = false;}else//表示不能吃棋，重新下棋{JOptionPane.showConfirmDialog(null, "提示", "对不起，移动棋子失败，请重新选择目标！", JOptionPane.ERROR_MESSAGE);isFirst = false;}}else if(id != -1 && chess[id].owner == player)//第二次又选择了自己的棋子，那么就将第二次选择的棋子当做第一次选择的棋子{firstChess = chess[id];x1 = x2;y1 = y2;isFirst = false;}else//第二次选择的棋子是空，那么就是单纯的移动棋子{secondChess = null;if(IsMoveChess(firstChess,x2,y2))//可以移动-吃棋{int idx1 = map[x1][y1];map[x1][y1] = -1;map[x2][y2] = idx1;
//                              chess[id] = null;firstChess.SetPos(x2, y2);send("move|"+String.valueOf(idx1)+"|"+String.valueOf(Row-1-x2)+"|"+String.valueOf(Col-1-y2)+"|",youID,sendport);System.out.println("第二次选中棋子为空:目标-》"+(Row-1-x2)+"  "+(Col-1-y2));repaint();isFirst = true;isPlay = false;}}}}}});}public boolean IsMoveChess(Chess chess,int x,int y)//判断是否可以移动棋子----移动棋子的规则{if(chess.chessName.equals("将") || chess.chessName.equals("帅"))//只能走一步{int x0 = chess.point.x;int y0 = chess.point.y;if(x >= 8 && x <= 10 && y >= 4 && y <= 6){
//              int x0 = chess.point.x;
//              int y0 = chess.point.y;if(Math.abs(x - x0) > 1 || Math.abs(y - y0) > 1)return false;else if(Math.abs(x - x0)*Math.abs(y - y0) != 0)//不能走斜线return false;elsereturn true;}if(this.chess[map[x][y]].chessName.equals("将") || this.chess[map[x][y]].chessName.equals("帅") && (y0 == y))//判断两个将领之间吃棋{int min = x < x0? x : x0;int max = x > x0? x : x0;for(min = min+1; min < max; min++){if(map[min][y] != -1)return false;}return true;}elsereturn false;}else if(chess.chessName.equals("士") || chess.chessName.equals("仕"))//士也不能出田字格，且，士走斜线，每次只走一格{if(x >= 8 && x <= 10 && y >= 4 && y <= 6){int x0 = chess.point.x;int y0 = chess.point.y;if(Math.abs(x - x0) * Math.abs(y - y0) != 1){return false;}elsereturn true;}else//越界return false;}else if(chess.chessName.equals("象") || chess.chessName.equals("相"))//相走田字，且不能过河{if(x >= 6 && x != 11 && y >= 1 && y <= 9){int x0 = chess.point.x;int y0 = chess.point.y;if(Math.abs(x - x0) * Math.abs(y - y0) != 4){return false;}else if(Math.abs(x - x0) == 2 && Math.abs(y - y0) == 2){int xm,ym;//求取中间值，防止中间有值不能走棋xm = x > x0? x-1:x0-1;ym = y > y0? y-1:y0-1;if(map[xm][ym] != -1)//表示中间有棋return false;return true;}else//防止1*4 == 4的情况出现return false;}elsereturn false;}else if(chess.chessName.equals("马"))//马走日，防止蹩脚的情况出现{if(x >= 1 && x <=10 && y >= 1 && y <= 9){int x0 = chess.point.x;int y0 = chess.point.y;if(Math.abs(x - x0) * Math.abs(y - y0) == 2)//判断是否走日{//判断是否蹩脚if(Math.abs(y - y0) == 2){if(map[x0][y+1] != -1 && y < y0)//左边{return false;}if(map[x0][y-1] != -1 && y0 < y)//右边{return false;}return true;}else{if(map[x+1][y0] != -1 && x < x0)//上边{return false;}if(map[x-1][y0] != -1 && x > x0)//下边{return false;}return true;}       }elsereturn false;}elsereturn false;}else if(chess.chessName.equals("车"))//车走直线{if(x >= 1 && x <=10 && y >= 1 && y <= 9){int x0 = chess.point.x;int y0 = chess.point.y;if(x == x0)//水平移动{int i = y < y0 ? y : y0;int max = y > y0 ? y : y0;for(i = i+1; i < max; i++)//不判断目标状态，目标状态能否走在外面判断{if(map[x][i] != -1){
//                          if(i == max && this.chess[map[x][i]].owner != chess.owner)
//                          {
//                              return true;
//                          }return false;}}return true;}else if(y == y0)//垂直移动{int i = x < x0 ? x : x0;int max = x > x0 ? x : x0;for(i = i+1; i < max; i++){if(map[i][y] != -1){
//                          if(i == max && this.chess[map[i][y]].owner != chess.owner)
//                          {
//                              return true;
//                          }return false;}}return true;}return false;}elsereturn false;//越界}else if(chess.chessName.equals("炮"))//跑隔山打牛，不隔山就走路，水平或者垂直移动{if(x >= 1 && x <=10 && y >= 1 && y <= 9){int x0 = chess.point.x;int y0 = chess.point.y;int countx = 0;int county = 0;if(x == x0)//水平移动{int i = y < y0 ? y : y0;int max = y > y0 ? y : y0;for(i = i+1; i < max; i++){if(map[x][i] != -1){countx++;}}}else if(y == y0)//垂直移动{int i = x < x0 ? x : x0;int max = x > x0 ? x : x0;for(i = i+1; i < max; i++){if(map[i][y] != -1){county++;}}}if(countx == 1 || county == 1)//说明中间有一个棋{
//                  if(this.chess[map[x][y]].owner != chess.owner)
//                  {
//                      return true;
//                  }
//                  else
//                      return false;System.out.println("countx:"+countx);System.out.println("county:"+county);return true;}else if(countx == 0 && county == 0)//说明中间没有棋{if(map[x][y] == -1)//目标没有棋{return true;}elsereturn false;
//                  return true;}elsereturn false;}elsereturn false;//越界}else if(chess.chessName.equals("兵") || chess.chessName.equals("卒"))//卒子在自己区域不能退，只能前进，每次只走一步{if(x < 7 && x >= 1 && y >= 1 && y <= 9){int x0 = chess.point.x;int y0 = chess.point.y;if(x == x0 && Math.abs(y-y0) == 1)//横向只走一步，判断是否在河的这边还是那边{//如果是河的这边就不能走横向if(x == 6)return false;elsereturn true;}if(y == y0 && x - x0 == -1)//纵向只走一步,且必须向前走{return true;}return false;}elsereturn false;}return false;}public Point ReSetID(int x, int y)//重置id,将id转化成可辨识的坐标信息{int posx = (y+height/2)/height;int posy = (x+width/2)/width;return new Point(posx,posy);}public void init_map()//初始化棋盘{for(int i = 0; i < Row; i++){for(int j = 0; j < Col; j++){map[i][j] = -1;//将棋盘初始化为-1，表示没有棋子id}}}public void paint(Graphics g)//自己画棋盘{super.paint(g);g.clearRect(0,0,this.getWidth(),this.getHeight());//画棋盘int a = 1;int b = 8;int c = 5;//两军中间的分界线for(int j = 1; j < Row-1; j++)//画横线{g.drawLine(a*width, j*height, (Col-2)*width, j*height);}for(int i = 1; i < Col-1; i++)//画竖线{g.drawLine(i*width, a*height, i*width, (Row-2)*height);if(i == 4){g.drawLine(i*width, a*height, (i+2)*width, (a+2)*height);g.drawLine(i*width, b*height, (i+2)*width, (b+2)*height);}if(i == 6){g.drawLine(i*width, a*height, (i-2)*width, (a+2)*height);g.drawLine(i*width, b*height, (i-2)*width, (b+2)*height);}}g.drawRect(0, 0, (Col-1)*width, (Row-1)*height);g.setColor(Color.GRAY);g.fillRect(a*width, c*height,(Col-2-a)*width, height);g.setFont(new Font("黑体",Font.BOLD,20));g.setColor(Color.white);g.drawString("楚  河    汉  界", 3*width, (c+1)*height-10);g.setColor(Color.black);//画棋子for(int i = 0; i < chess.length; i++){if(chess[i] != null){chess[i].paint(g, this);}}if(firstChess != null){firstChess.paintSeclected(g);}if(secondChess != null){secondChess.paintSeclected(g);}}public void send(String str,InetAddress ip,int port) //发送数据报{DatagramSocket s = null;try{s = new DatagramSocket();//创建一个数据报套接字byte data[] = new byte[100];data = str.getBytes();DatagramPacket pocket = new DatagramPacket(data,data.length,ip,port);//将数据报的信息放入自寻址包中,自寻址信息包括数据，数据长度，目标ip地址，目标端口号s.send(pocket);//发送自寻址包System.out.println("发送信息："+str);}catch(IOException ex){ex.printStackTrace();}finally{if(s != null)s.close();}}public void startgame(InetAddress ip, int otherport, int myport)//游戏正式开始的起点入口{youID = ip;this.sendport = otherport;this.receiveport = myport;try{myID = InetAddress.getLocalHost();}catch(UnknownHostException ex){ex.printStackTrace();}send("play|",youID,sendport);//发送邀请，等待目标ip的回应----开启一个线程，不断监听端口，检查是否有消息，是否建立连接成功Thread t = new Thread(this);t.start();}public void FirstPaintChess()//第一次画棋盘---将每个棋盘上的棋子对象摆放完好，设置各自的初始属性{//原本把黑棋放上面，红棋放下面，但是为了显示效果，凡是玩家玩，都把玩家的花色放下面init_map();//如果再玩一局就要先清空棋盘，然后再重置棋子，否则上一局某些位置上面的id会遗留下来paintChess();if(player == BLACKCHESS){ReverseChess();}repaint();}public void ReverseChess()//转置，将坐标改变，以便于下棋者下棋{//先改变坐标
//      for(int i = 0; i < 32; i++)
//      {
//          if(chess[i] != null)
//             chess[i].ReversePos();
//      }//改变map地图idfor(int i = 0; i < 32; i++){if(chess[i] != null){chess[i].ReversePos();int xx = chess[i].point.x;int yy = chess[i].point.y;map[xx][yy] = i;}}}public void paintChess()//画棋盘显示，上面黑棋，下面红棋{//黑方chess[0] = new Chess("将",BLACKCHESS,new Point(1,5));map[1][5] = 0;chess[1] = new Chess("士",BLACKCHESS,new Point(1,4));map[1][4] = 1;chess[2] = new Chess("士",BLACKCHESS,new Point(1,6)); map[1][6] = 2;chess[3] = new Chess("象",BLACKCHESS,new Point(1,3)); map[1][3] = 3;chess[4] = new Chess("象",BLACKCHESS,new Point(1,7)); map[1][7] = 4;chess[5] = new Chess("马",BLACKCHESS,new Point(1,2)); map[1][2] = 5;chess[6] = new Chess("马",BLACKCHESS,new Point(1,8)); map[1][8] = 6;chess[7] = new Chess("车",BLACKCHESS,new Point(1,1)); map[1][1] = 7;chess[8] = new Chess("车",BLACKCHESS,new Point(1,9)); map[1][9] = 8;chess[9] = new Chess("炮",BLACKCHESS,new Point(3,2)); map[3][2] = 9;chess[10] = new Chess("炮",BLACKCHESS,new Point(3,8)); map[3][8] = 10;for(int i = 11,j = 1; i < 16; i++,j+=2){chess[i] = new Chess("卒",BLACKCHESS,new Point(4,j)); map[4][j] = i;}//画红棋chess[16] = new Chess("帅",REDCHESS,new Point(10,5)); map[10][5] = 16;chess[17] = new Chess("仕",REDCHESS,new Point(10,4)); map[10][4] = 17;chess[18] = new Chess("仕",REDCHESS,new Point(10,6)); map[10][6] = 18;chess[19] = new Chess("相",REDCHESS,new Point(10,3)); map[10][3] = 19;chess[20] = new Chess("相",REDCHESS,new Point(10,7)); map[10][7] = 20;chess[21] = new Chess("马",REDCHESS,new Point(10,2)); map[10][2] = 21;chess[22] = new Chess("马",REDCHESS,new Point(10,8)); map[10][8] = 22;chess[23] = new Chess("车",REDCHESS,new Point(10,1)); map[10][1] = 23;chess[24] = new Chess("车",REDCHESS,new Point(10,9)); map[10][9] = 24;chess[25] = new Chess("炮",REDCHESS,new Point(8,2)); map[8][2] = 25;chess[26] = new Chess("炮",REDCHESS,new Point(8,8)); map[8][8] = 26;for(int i = 27, j = 1; i < 32; i++, j+=2){chess[i] = new Chess("兵",REDCHESS,new Point(7,j)); map[7][j] = i;}}@Overridepublic void run(){DatagramSocket sock = null;try {sock = new DatagramSocket(receiveport);//打开监听窗口byte data[] = new byte[100];DatagramPacket pocket = new DatagramPacket(data,data.length);while(flag){sock.receive(pocket);//接收数据//读取接收信息String str = new String(data);String s[] = new String[6];s = str.split("\\|");//将数据信息按照|进行分割if(s[0].equals("play"))//表示此时这个对象是一个被邀请的对象，将被邀请的对象设置为黑棋{player = BLACKCHESS;//被邀请者设为黑棋send("connect|",youID,sendport);//开始画棋盘FirstPaintChess();isPlay = false;//因为是红棋先走，所以黑棋此时不能下棋}else if(s[0].equals("connect"))//表示此时的对象是游戏发出者对象，并且已经和被邀请对象建立连接{player = REDCHESS;//游戏发出者设为红棋对象FirstPaintChess();isPlay = true;//因为此时是红棋，而红旗先走，所以红棋此时可以下棋}else if(s[0].equals("lose"))//对方认输{JOptionPane.showConfirmDialog(null, "认输", "对方棋手认输！", JOptionPane.OK_OPTION);isPlay = false;}else if(s[0].equals("success"))//对方赢了{if(s[1].equals("黑棋赢")){JOptionPane.showConfirmDialog(null, "输了", "黑棋赢了！您输了！", JOptionPane.OK_OPTION);}else if(s[1].equals("红棋赢")){JOptionPane.showConfirmDialog(null, "输了", "红棋赢了！您输了！", JOptionPane.OK_OPTION);}isPlay = false;}else if(s[0].equals("move"))//对方走棋{int indx = Integer.parseInt(s[1]);System.out.println("indx->"+indx);int posx = Integer.parseInt(s[2]);System.out.println("posx->"+posx);int posy = Integer.parseInt(s[3]);System.out.println("posy->"+posy);int x = chess[indx].point.x;int y = chess[indx].point.y;map[x][y] = -1;chess[indx].point.x = posx;chess[indx].point.y = posy;if(map[posx][posy] != -1){chess[map[posx][posy]] = null;}map[posx][posy] = indx;repaint();isPlay = true;}else if(s[0].equals("quit"))//对方退出{JOptionPane.showConfirmDialog(null, "提示", "对方离开，游戏结束！", JOptionPane.OK_OPTION);isPlay = false;flag = false;//退出线程}}} catch (SocketException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}finally{if(sock != null){sock.close();}}}
}3.ChessFrame类:
package internet_chess;import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Rectangle;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.net.InetAddress;
import java.net.UnknownHostException;import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;public class ChessFrame extends JFrame{private JButton start = new JButton("开始");private JButton end = new JButton("结束");private JButton lose = new JButton("认输");private JPanel paneUp = new JPanel();private ChessPanel chesspanel = new ChessPanel();private JPanel paneDown = new JPanel();private JLabel IPlabel = new JLabel("IP：");private JLabel otherPortlabel = new JLabel("目标端口");private JLabel imageicon = new JLabel();private JTextField ip_address = new JTextField("127.0.0.1");private JTextField otherPort = new JTextField("9999");private InetAddress myID;//自己id地址private InetAddress youID;//目标ID地址private int sendport;//发送端口private int receiveport = 8888;//接收端口public ChessFrame()//构造函数{paneDown.setLayout(new FlowLayout());IPlabel.setBounds(10, 10, 40, 20);ip_address.setBounds(new Rectangle(60,10,50,20));paneDown.add(IPlabel);paneDown.add(ip_address);paneDown.add(otherPortlabel);paneDown.add(otherPort);paneDown.add(start);paneDown.add(lose);paneDown.add(end);lose.setEnabled(false);imageicon.setBounds(new Rectangle(300,0,100,100));imageicon.setIcon(new ImageIcon("F:/Image/chess/0.png"));//标签加载图片paneUp.add(imageicon,BorderLayout.CENTER);Container con = this.getContentPane();con.add(paneUp,BorderLayout.NORTH);con.add(chesspanel,BorderLayout.CENTER);con.add(paneDown,BorderLayout.SOUTH);this.setTitle("8888网络象棋");this.setSize(new Dimension(600,700));this.setVisible(true);this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);start.addMouseListener(new MouseAdapter(){public void mouseClicked(MouseEvent e){try {String ip = ip_address.getText();//获取当前目标ip地址sendport = Integer.parseInt(otherPort.getText());//获取目标连接端口myID = InetAddress.getLocalHost();//获取本地ip地址youID = InetAddress.getByName(ip);//获取目标ip地址} catch (UnknownHostException e1) {e1.printStackTrace();}chesspanel.startgame(youID,sendport,receiveport);lose.setEnabled(true);}});end.addMouseListener(new MouseAdapter(){public void mouseClicked(MouseEvent e){try{chesspanel.send("quit|",youID,sendport);//向对方发送离开信息，同时断开连接System.exit(0);}catch(Exception ex){ex.printStackTrace();}}});lose.addMouseListener(new MouseAdapter(){public void mouseClicked(MouseEvent e){try{chesspanel.send("lose|",youID,sendport);//向对方发送认输信息}catch(Exception ex){ex.printStackTrace();}}});//加一个对方求和的按钮}public static void main(String[] args) {// TODO Auto-generated method stubnew ChessFrame();}}

代码结果