java五子棋网络

㈠ java五子棋

我有82237475

import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;
import java.util.*;
class clientThread extends Thread
{
chessClient chessclient;
clientThread(chessClient chessclient)
{
this.chessclient=chessclient;
}
public void acceptMessage(String recMessage)
{
if(recMessage.startsWith("/userlist "))
{
StringTokenizer userToken=new StringTokenizer(recMessage," ");
int userNumber=0;
chessclient.userpad.userList.removeAll();
chessclient.inputpad.userChoice.removeAll();
chessclient.inputpad.userChoice.addItem("所有人");
while(userToken.hasMoreTokens())
{
String user=(String)userToken.nextToken(" ");
if(userNumber>0 && !user.startsWith("[inchess]"))
{
chessclient.userpad.userList.add(user);
chessclient.inputpad.userChoice.addItem(user);
}
userNumber++;
}
chessclient.inputpad.userChoice.select("所有人");
}
else if(recMessage.startsWith("/yourname "))
{
chessclient.chessClientName=recMessage.substring(10);
chessclient.setTitle("Java五子棋客户端 "+"用户名:"+chessclient.chessClientName);
}
else if(recMessage.equals("/reject"))
{
try
{
chessclient.chesspad.statusText.setText("不能加入游戏");
chessclient.controlpad.cancelGameButton.setEnabled(false);
chessclient.controlpad.joinGameButton.setEnabled(true);
chessclient.controlpad.creatGameButton.setEnabled(true);
}
catch(Exception ef)
{
chessclient.chatpad.chatLineArea.setText("chessclient.chesspad.chessSocket.close无法关闭");
}
chessclient.controlpad.joinGameButton.setEnabled(true);
}
else if(recMessage.startsWith("/peer "))
{
chessclient.chesspad.chessPeerName=recMessage.substring(6);
if(chessclient.isServer)
{
chessclient.chesspad.chessColor=1;
chessclient.chesspad.isMouseEnabled=true;
chessclient.chesspad.statusText.setText("请黑棋下子");
}
else if(chessclient.isClient)
{
chessclient.chesspad.chessColor=-1;
chessclient.chesspad.statusText.setText("已加入游戏，等待对方下子...");
}
}
else if(recMessage.equals("/youwin"))
{
chessclient.isOnChess=false;
chessclient.chesspad.chessVictory(chessclient.chesspad.chessColor);
chessclient.chesspad.statusText.setText("对方退出，请点放弃游戏退出连接");
chessclient.chesspad.isMouseEnabled=false;
}
else if(recMessage.equals("/OK"))
{
chessclient.chesspad.statusText.setText("创建游戏成功，等待别人加入...");
}
else if(recMessage.equals("/error"))
{
chessclient.chatpad.chatLineArea.append("传输错误：请退出程序，重新加入 \n");
}
else
{
chessclient.chatpad.chatLineArea.append(recMessage+"\n");
chessclient.chatpad.chatLineArea.setCaretPosition(
chessclient.chatpad.chatLineArea.getText().length());
}
}
public void run()
{
String message="";
try
{
while(true)
{
message=chessclient.in.readUTF();
acceptMessage(message);
}
}
catch(IOException es)
{
}
}
}

public class chessClient extends Frame implements ActionListener,KeyListener
{
userPad userpad=new userPad();
chatPad chatpad=new chatPad();
controlPad controlpad=new controlPad();
chessPad chesspad=new chessPad();
inputPad inputpad=new inputPad();
Socket chatSocket;
DataInputStream in;
DataOutputStream out;
String chessClientName=null;
String host=null;
int port=4331;
boolean isOnChat=false; //在聊天？
boolean isOnChess=false; //在下棋？
boolean isGameConnected=false; //下棋的客户端连接？
boolean isServer=false; //如果是下棋的主机
boolean isClient=false; //如果是下棋的客户端
Panel southPanel=new Panel();
Panel northPanel=new Panel();
Panel centerPanel=new Panel();
Panel westPanel=new Panel();
Panel eastPanel=new Panel();
chessClient()
{
super("Java五子棋客户端");
setLayout(new BorderLayout());
host=controlpad.inputIP.getText();
westPanel.setLayout(new BorderLayout());
westPanel.add(userpad,BorderLayout.NORTH);
westPanel.add(chatpad,BorderLayout.CENTER);
westPanel.setBackground(Color.pink);
inputpad.inputWords.addKeyListener(this);
chesspad.host=controlpad.inputIP.getText();
centerPanel.add(chesspad,BorderLayout.CENTER);
centerPanel.add(inputpad,BorderLayout.SOUTH);
centerPanel.setBackground(Color.pink);
controlpad.connectButton.addActionListener(this);
controlpad.creatGameButton.addActionListener(this);
controlpad.joinGameButton.addActionListener(this);
controlpad.cancelGameButton.addActionListener(this);
controlpad.exitGameButton.addActionListener(this);
controlpad.creatGameButton.setEnabled(false);
controlpad.joinGameButton.setEnabled(false);
controlpad.cancelGameButton.setEnabled(false);
southPanel.add(controlpad,BorderLayout.CENTER);
southPanel.setBackground(Color.pink);
addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent e)
{
if(isOnChat)
{
try
{
chatSocket.close();
}
catch(Exception ed)
{
}
}
if(isOnChess || isGameConnected)
{
try
{
chesspad.chessSocket.close();
}
catch(Exception ee)
{
}
}
System.exit(0);
}
public void windowActivated(WindowEvent ea)
{
}
});
add(westPanel,BorderLayout.WEST);
add(centerPanel,BorderLayout.CENTER);
add(southPanel,BorderLayout.SOUTH);
pack();
setSize(670,548);
setVisible(true);
setResizable(false);
validate();
}

public boolean connectServer(String serverIP,int serverPort) throws Exception
{
try
{
chatSocket=new Socket(serverIP,serverPort);
in=new DataInputStream(chatSocket.getInputStream());
out=new DataOutputStream(chatSocket.getOutputStream());
clientThread clientthread=new clientThread(this);
clientthread.start();
isOnChat=true;
return true;
}
catch(IOException ex)
{
chatpad.chatLineArea.setText("chessClient:connectServer:无法连接,建议重新启动程序 \n");
}
return false;
}
public void actionPerformed(ActionEvent e)
{
if(e.getSource()==controlpad.connectButton)
{
host=chesspad.host=controlpad.inputIP.getText();
try
{
if(connectServer(host,port))
{
chatpad.chatLineArea.setText("");
controlpad.connectButton.setEnabled(false);
controlpad.creatGameButton.setEnabled(true);
controlpad.joinGameButton.setEnabled(true);
chesspad.statusText.setText("连接成功，请创建游戏或加入游戏");
}
}
catch(Exception ei)
{
chatpad.chatLineArea.setText("controlpad.connectButton:无法连接,建议重新启动程序 \n");
}
}
if(e.getSource()==controlpad.exitGameButton)
{
if(isOnChat)
{
try
{
chatSocket.close();
}
catch(Exception ed)
{
}
}
if(isOnChess || isGameConnected)
{
try
{
chesspad.chessSocket.close();
}
catch(Exception ee)
{
}
}
System.exit(0);
}
if(e.getSource()==controlpad.joinGameButton)
{
String selectedUser=userpad.userList.getSelectedItem();
if(selectedUser==null || selectedUser.startsWith("[inchess]") ||
selectedUser.equals(chessClientName))
{
chesspad.statusText.setText("必须先选定一个有效用户");
}
else
{
try
{
if(!isGameConnected)
{
if(chesspad.connectServer(chesspad.host,chesspad.port))
{
isGameConnected=true;
isOnChess=true;
isClient=true;
controlpad.creatGameButton.setEnabled(false);
controlpad.joinGameButton.setEnabled(false);
controlpad.cancelGameButton.setEnabled(true);
chesspad.chessthread.sendMessage("/joingame "+userpad.userList.getSelectedItem()+" "+chessClientName);
}
}
else
{
isOnChess=true;
isClient=true;
controlpad.creatGameButton.setEnabled(false);
controlpad.joinGameButton.setEnabled(false);
controlpad.cancelGameButton.setEnabled(true);
chesspad.chessthread.sendMessage("/joingame "+userpad.userList.getSelectedItem()+" "+chessClientName);
}
}
catch(Exception ee)
{
isGameConnected=false;
isOnChess=false;
isClient=false;
controlpad.creatGameButton.setEnabled(true);
controlpad.joinGameButton.setEnabled(true);
controlpad.cancelGameButton.setEnabled(false);
chatpad.chatLineArea.setText("chesspad.connectServer无法连接 \n"+ee);
}
}
}
if(e.getSource()==controlpad.creatGameButton)
{
try
{
if(!isGameConnected)
{
if(chesspad.connectServer(chesspad.host,chesspad.port))
{
isGameConnected=true;
isOnChess=true;
isServer=true;
controlpad.creatGameButton.setEnabled(false);
controlpad.joinGameButton.setEnabled(false);
controlpad.cancelGameButton.setEnabled(true);
chesspad.chessthread.sendMessage("/creatgame "+"[inchess]"+chessClientName);
}
}
else
{
isOnChess=true;
isServer=true;
controlpad.creatGameButton.setEnabled(false);
controlpad.joinGameButton.setEnabled(false);
controlpad.cancelGameButton.setEnabled(true);
chesspad.chessthread.sendMessage("/creatgame "+"[inchess]"+chessClientName);
}
}
catch(Exception ec)
{
isGameConnected=false;
isOnChess=false;
isServer=false;
controlpad.creatGameButton.setEnabled(true);
controlpad.joinGameButton.setEnabled(true);
controlpad.cancelGameButton.setEnabled(false);
ec.printStackTrace();
chatpad.chatLineArea.setText("chesspad.connectServer无法连接 \n"+ec);
}
}
if(e.getSource()==controlpad.cancelGameButton)
{
if(isOnChess)
{
chesspad.chessthread.sendMessage("/giveup "+chessClientName);
chesspad.chessVictory(-1*chesspad.chessColor);
controlpad.creatGameButton.setEnabled(true);
controlpad.joinGameButton.setEnabled(true);
controlpad.cancelGameButton.setEnabled(false);
chesspad.statusText.setText("请建立游戏或者加入游戏");
}
if(!isOnChess)
{
controlpad.creatGameButton.setEnabled(true);
controlpad.joinGameButton.setEnabled(true);
controlpad.cancelGameButton.setEnabled(false);
chesspad.statusText.setText("请建立游戏或者加入游戏");
}
isClient=isServer=false;
}
}

public void keyPressed(KeyEvent e)
{
TextField inputWords=(TextField)e.getSource();
if(e.getKeyCode()==KeyEvent.VK_ENTER)
{
if(inputpad.userChoice.getSelectedItem().equals("所有人"))
{
try
{
out.writeUTF(inputWords.getText());
inputWords.setText("");
}
catch(Exception ea)
{
chatpad.chatLineArea.setText("chessClient:KeyPressed无法连接,建议重新连接 \n");
userpad.userList.removeAll();
inputpad.userChoice.removeAll();
inputWords.setText("");
controlpad.connectButton.setEnabled(true);
}
}
else
{
try
{
out.writeUTF("/"+inputpad.userChoice.getSelectedItem()+" "+inputWords.getText());
inputWords.setText("");
}
catch(Exception ea)
{
chatpad.chatLineArea.setText("chessClient:KeyPressed无法连接,建议重新连接 \n");
userpad.userList.removeAll();
inputpad.userChoice.removeAll();
inputWords.setText("");
controlpad.connectButton.setEnabled(true);
}
}
}
}
public void keyTyped(KeyEvent e)
{
}
public void keyReleased(KeyEvent e)
{
}

public static void main(String args[])
{
chessClient chessClient=new chessClient();
}
}
/******************************************************************************************
下面是：chessInteface.java
******************************************************************************************/
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;
class userPad extends Panel
{
List userList=new List(10);
userPad()
{
setLayout(new BorderLayout());
for(int i=0;i<50;i++)
{
userList.add(i+"."+"没有用户");
}
add(userList,BorderLayout.CENTER);
}
}
class chatPad extends Panel
{
TextArea chatLineArea=new TextArea("",18,30,TextArea.SCROLLBARS_VERTICAL_ONLY);
chatPad()
{
setLayout(new BorderLayout());
add(chatLineArea,BorderLayout.CENTER);
}
}

class controlPad extends Panel
{
Label IPlabel=new Label("IP",Label.LEFT);
TextField inputIP=new TextField("localhost",10);
Button connectButton=new Button("连接主机");
Button creatGameButton=new Button("建立游戏");
Button joinGameButton=new Button("加入游戏");
Button cancelGameButton=new Button("放弃游戏");
Button exitGameButton=new Button("关闭程序");
controlPad()
{
setLayout(new FlowLayout(FlowLayout.LEFT));
setBackground(Color.pink);
add(IPlabel);
add(inputIP);
add(connectButton);
add(creatGameButton);
add(joinGameButton);
add(cancelGameButton);
add(exitGameButton);
}
}
class inputPad extends Panel
{
TextField inputWords=new TextField("",40);
Choice userChoice=new Choice();
inputPad()
{
setLayout(new FlowLayout(FlowLayout.LEFT));
for(int i=0;i<50;i++)
{
userChoice.addItem(i+"."+"没有用户");
}
userChoice.setSize(60,24);
add(userChoice);
add(inputWords);
}
}
/**********************************************************************************************
下面是：chessPad.java
**********************************************************************************************/
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;
import java.util.*;
class chessThread extends Thread
{
chessPad chesspad;
chessThread(chessPad chesspad)
{
this.chesspad=chesspad;
}
public void sendMessage(String sndMessage)
{
try
{
chesspad.outData.writeUTF(sndMessage);
}
catch(Exception ea)
{
System.out.println("chessThread.sendMessage:"+ea);
}
}
public void acceptMessage(String recMessage)
{
if(recMessage.startsWith("/chess "))
{
StringTokenizer userToken=new StringTokenizer(recMessage," ");
String chessToken;
String[] chessOpt={"-1","-1","0"};
int chessOptNum=0;
while(userToken.hasMoreTokens())
{
chessToken=(String)userToken.nextToken(" ");
if(chessOptNum>=1 && chessOptNum<=3)
{
chessOpt[chessOptNum-1]=chessToken;
}
chessOptNum++;
}
chesspad.netChessPaint(Integer.parseInt(chessOpt[0]),Integer.parseInt(chessOpt[1]),Integer.parseInt(chessOpt[2]));
}
else if(recMessage.startsWith("/yourname "))
{
chesspad.chessSelfName=recMessage.substring(10);
}
else if(recMessage.equals("/error"))
{
chesspad.statusText.setText("错误:没有这个用户，请退出程序，重新加入");
}
else
{
//System.out.println(recMessage);
}
}
public void run()
{
String message="";
try
{
while(true)
{
message=chesspad.inData.readUTF();
acceptMessage(message);
}
}
catch(IOException es)
{
}
}
}

class chessPad extends Panel implements MouseListener,ActionListener
{
int chessPoint_x=-1,chessPoint_y=-1,chessColor=1;
int chessBlack_x[]=new int[200];
int chessBlack_y[]=new int[200];
int chessWhite_x[]=new int[200];
int chessWhite_y[]=new int[200];
int chessBlackCount=0,chessWhiteCount=0;
int chessBlackWin=0,chessWhiteWin=0;
boolean isMouseEnabled=false,isWin=false,isInGame=false;
TextField statusText=new TextField("请先连接服务器");
Socket chessSocket;
DataInputStream inData;
DataOutputStream outData;
String chessSelfName=null;
String chessPeerName=null;
String host=null;
int port=4331;
chessThread chessthread=new chessThread(this);
chessPad()
{
setSize(440,440);
setLayout(null);
setBackground(Color.pink);
addMouseListener(this);
add(statusText);
statusText.setBounds(40,5,360,24);
statusText.setEditable(false);
}
public boolean connectServer(String ServerIP,int ServerPort) throws Exception
{
try
{
chessSocket=new Socket(ServerIP,ServerPort);
inData=new DataInputStream(chessSocket.getInputStream());
outData=new DataOutputStream(chessSocket.getOutputStream());
chessthread.start();
return true;
}
catch(IOException ex)
{
statusText.setText("chessPad:connectServer:无法连接 \n");
}
return false;
}
public void chessVictory(int chessColorWin)
{
this.removeAll();
for(int i=0;i<=chessBlackCount;i++)
{
chessBlack_x[i]=0;
chessBlack_y[i]=0;
}
for(int i=0;i<=chessWhiteCount;i++)
{
chessWhite_x[i]=0;
chessWhite_y[i]=0;
}
chessBlackCount=0;
chessWhiteCount=0;
add(statusText);
statusText.setBounds(40,5,360,24);
if(chessColorWin==1)
{ chessBlackWin++;
statusText.setText("黑棋胜,黑:白为"+chessBlackWin+":"+chessWhiteWin+",重新开局,等待白棋下子...");
}
else if(chessColorWin==-1)
{
chessWhiteWin++;
statusText.setText("白棋胜,黑:白为"+chessBlackWin+":"+chessWhiteWin+",重新开局,等待黑棋下子...");
}
}

public void getLocation(int a,int b,int color)
{
if(color==1)
{
chessBlack_x[chessBlackCount]=a*20;
chessBlack_y[chessBlackCount]=b*20;
chessBlackCount++;
}
else if(color==-1)
{
chessWhite_x[chessWhiteCount]=a*20;
chessWhite_y[chessWhiteCount]=b*20;
chessWhiteCount++;
}
}
public boolean checkWin(int a,int b,int checkColor)
{
int step=1,chessLink=1,chessLinkTest=1,chessCompare=0;
if(checkColor==1)
{
chessLink=1;
for(step=1;step<=4;step++)
{
for(chessCompare=0;chessCompare<=chessBlackCount;chessCompare++)
{
if(((a+step)*20==chessBlack_x[chessCompare]) && ((b*20)==chessBlack_y[chessCompare]))
{
chessLink=chessLink+1;
if(chessLink==5)
{
return(true);
}
}
}
if(chessLink==(chessLinkTest+1))
chessLinkTest++;
else
break;
}
for(step=1;step<=4;step++)
{
for(chessCompare=0;chessCompare<=chessBlackCount;chessCompare++)
{
if(((a-step)*20==chessBlack_x[chessCompare]) && (b*20==chessBlack_y[chessCompare]))
{
chessLink++;
if(chessLink==5)
{
return(true);
}
}
}
if(chessLink==(chessLinkTest+1))
chessLinkTest++;
else
break;
}
chessLink=1;
chessLinkTest=1;
for(step=1;step<=4;step++)
{
for(chessCompare=0;chessCompare<=chessBlackCount;chessCompare++)
{
if((a*20==chessBlack_x[chessCompare]) && ((b+step)*20==chessBlack_y[chessCompare]))
{
chessLink++;
if(chessLink==5)
{
return(true);
}
}
}
if(chessLink==(chessLinkTest+1))
chessLinkTest++;
else
break;

㈡ java课程设计，做了网络五子棋，老师要我加复盘的功能，怎么实现思路

这个很简单。五子棋棋盘是一个二维数组，然后2数组里面有每个位置上只能有3个值，0,1,2，0表示没有棋子，1表示白棋，2表示黑棋。然后你用一个类把二维数组封装起来，然后保存每一步时候的状态就OK了。

㈢ 求一个简单的JAVA五子棋代码！！ 网上复制的别来了！

我有一个，刚刚做的。可以实现人机对战，人人对战，悔棋，禁手等操作。机器方主要采用的是a-b剪枝算法。功能很强大，代码很多。

㈣ 急！！！ Java五子棋源代码注释

package org.liky.game.frame;

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.File;
import java.io.IOException;

import javax.imageio.ImageIO;
import javax.swing.JFrame;
import javax.swing.JOptionPane;

public class FiveChessFrame extends JFrame implements MouseListener, Runnable {

// 取得屏幕的宽度
int width = Toolkit.getDefaultToolkit().getScreenSize().width;
// 取得屏幕的高度
int height = Toolkit.getDefaultToolkit().getScreenSize().height;
// 背景图片
BufferedImage bgImage = null;
// 保存棋子的坐标
int x = 0;
int y = 0;
// 保存之前下过的全部棋子的坐标
// 其中数据内容 0： 表示这个点并没有棋子， 1： 表示这个点是黑子， 2：表示这个点是白子
int[][] allChess = new int[19][19];
// 标识当前应该黑棋还是白棋下下一步
boolean isBlack = true;
// 标识当前游戏是否可以继续
boolean canPlay = true;
// 保存显示的提示信息
String message = "黑方先行";
// 保存最多拥有多少时间(秒)
int maxTime = 0;
// 做倒计时的线程类
Thread t = new Thread(this);
// 保存黑方与白方的剩余时间
int blackTime = 0;
int whiteTime = 0;
// 保存双方剩余时间的显示信息
String blackMessage = "无限制";
String whiteMessage = "无限制";

public FiveChessFrame() {
// 设置标题
this.setTitle("五子棋");
// 设置窗体大小
this.setSize(500, 500);
// 设置窗体出现位置
this.setLocation((width - 500) / 2, (height - 500) / 2);
// 将窗体设置为大小不可改变
this.setResizable(false);
// 将窗体的关闭方式设置为默认关闭后程序结束
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// 为窗体加入监听器
this.addMouseListener(this);
// 将窗体显示出来
this.setVisible(true);

t.start();
t.suspend();

// 刷新屏幕,防止开始游戏时出现无法显示的情况.
this.repaint();
String imagePath = "" ;
try {
imagePath = System.getProperty("user.dir")+"/bin/image/background.jpg" ;
bgImage = ImageIO.read(new File(imagePath.replaceAll("\\\\", "/")));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

public void paint(Graphics g) {
// 双缓冲技术防止屏幕闪烁
BufferedImage bi = new BufferedImage(500, 500,
BufferedImage.TYPE_INT_RGB);
Graphics g2 = bi.createGraphics();
g2.setColor(Color.BLACK);
// 绘制背景
g2.drawImage(bgImage, 1, 20, this);
// 输出标题信息
g2.setFont(new Font("黑体", Font.BOLD, 20));
g2.drawString("游戏信息：" + message, 130, 60);
// 输出时间信息
g2.setFont(new Font("宋体", 0, 14));
g2.drawString("黑方时间：" + blackMessage, 30, 470);
g2.drawString("白方时间：" + whiteMessage, 260, 470);

// 绘制棋盘
for (int i = 0; i < 19; i++) {
g2.drawLine(10, 70 + 20 * i, 370, 70 + 20 * i);
g2.drawLine(10 + 20 * i, 70, 10 + 20 * i, 430);
}

// 标注点位
g2.fillOval(68, 128, 4, 4);
g2.fillOval(308, 128, 4, 4);
g2.fillOval(308, 368, 4, 4);
g2.fillOval(68, 368, 4, 4);
g2.fillOval(308, 248, 4, 4);
g2.fillOval(188, 128, 4, 4);
g2.fillOval(68, 248, 4, 4);
g2.fillOval(188, 368, 4, 4);
g2.fillOval(188, 248, 4, 4);

/*
* //绘制棋子 x = (x - 10) / 20 * 20 + 10 ; y = (y - 70) / 20 * 20 + 70 ;
* //黑子 g.fillOval(x - 7, y - 7, 14, 14); //白子 g.setColor(Color.WHITE) ;
* g.fillOval(x - 7, y - 7, 14, 14); g.setColor(Color.BLACK) ;
* g.drawOval(x - 7, y - 7, 14, 14);
*/

// 绘制全部棋子
for (int i = 0; i < 19; i++) {
for (int j = 0; j < 19; j++) {
if (allChess[i][j] == 1) {
// 黑子
int tempX = i * 20 + 10;
int tempY = j * 20 + 70;
g2.fillOval(tempX - 7, tempY - 7, 14, 14);
}
if (allChess[i][j] == 2) {
// 白子
int tempX = i * 20 + 10;
int tempY = j * 20 + 70;
g2.setColor(Color.WHITE);
g2.fillOval(tempX - 7, tempY - 7, 14, 14);
g2.setColor(Color.BLACK);
g2.drawOval(tempX - 7, tempY - 7, 14, 14);
}
}
}
g.drawImage(bi, 0, 0, this);
}

public void mouseClicked(MouseEvent e) {
// TODO Auto-generated method stub

}

public void mouseEntered(MouseEvent e) {
// TODO Auto-generated method stub

}

public void mouseExited(MouseEvent e) {
// TODO Auto-generated method stub

}

public void mousePressed(MouseEvent e) {
// TODO Auto-generated method stub
/*
* System.out.println("X:"+e.getX()); System.out.println("Y:"+e.getY());
*/
if (canPlay == true) {
x = e.getX();
y = e.getY();
if (x >= 10 && x <= 370 && y >= 70 && y <= 430) {
x = (x - 10) / 20;
y = (y - 70) / 20;
if (allChess[x][y] == 0) {
// 判断当前要下的是什么颜色的棋子
if (isBlack == true) {
allChess[x][y] = 1;
isBlack = false;
message = "轮到白方";
} else {
allChess[x][y] = 2;
isBlack = true;
message = "轮到黑方";
}
// 判断这个棋子是否和其他的棋子连成5连，即判断游戏是否结束
boolean winFlag = this.checkWin();
if (winFlag == true) {
JOptionPane.showMessageDialog(this, "游戏结束,"
+ (allChess[x][y] == 1 ? "黑方" : "白方") + "获胜！");
canPlay = false;
}
} else {
JOptionPane.showMessageDialog(this, "当前位置已经有棋子，请重新落子！");
}
this.repaint();
}
}
/* System.out.println(e.getX() + " -- " + e.getY()); */
// 点击 开始游戏 按钮
if (e.getX() >= 400 && e.getX() <= 470 && e.getY() >= 70
&& e.getY() <= 100) {
int result = JOptionPane.showConfirmDialog(this, "是否重新开始游戏?");
if (result == 0) {
// 现在重新开始游戏
// 重新开始所要做的操作: 1)把棋盘清空,allChess这个数组中全部数据归0.
// 2) 将 游戏信息: 的显示改回到开始位置
// 3) 将下一步下棋的改为黑方
for (int i = 0; i < 19; i++) {
for (int j = 0; j < 19; j++) {
allChess[i][j] = 0;
}
}
// 另一种方式 allChess = new int[19][19];
message = "黑方先行";
isBlack = true;
blackTime = maxTime;
whiteTime = maxTime;
if (maxTime > 0) {
blackMessage = maxTime / 3600 + ":"
+ (maxTime / 60 - maxTime / 3600 * 60) + ":"
+ (maxTime - maxTime / 60 * 60);
whiteMessage = maxTime / 3600 + ":"
+ (maxTime / 60 - maxTime / 3600 * 60) + ":"
+ (maxTime - maxTime / 60 * 60);
t.resume();
} else {
blackMessage = "无限制";
whiteMessage = "无限制";
}
this.canPlay = true;
this.repaint();

}
}
// 点击 游戏设置 按钮
if (e.getX() >= 400 && e.getX() <= 470 && e.getY() >= 120
&& e.getY() <= 150) {
String input = JOptionPane
.showInputDialog("请输入游戏的最大时间(单位:分钟),如果输入0,表示没有时间限制:");
try {
maxTime = Integer.parseInt(input) * 60;
if (maxTime < 0) {
JOptionPane.showMessageDialog(this, "请输入正确信息,不允许输入负数!");
}
if (maxTime == 0) {
int result = JOptionPane.showConfirmDialog(this,
"设置完成,是否重新开始游戏?");
if (result == 0) {
for (int i = 0; i < 19; i++) {
for (int j = 0; j < 19; j++) {
allChess[i][j] = 0;
}
}
// 另一种方式 allChess = new int[19][19];
message = "黑方先行";
isBlack = true;
blackTime = maxTime;
whiteTime = maxTime;
blackMessage = "无限制";
whiteMessage = "无限制";
this.canPlay = true;
this.repaint();
}
}
if (maxTime > 0) {
int result = JOptionPane.showConfirmDialog(this,
"设置完成,是否重新开始游戏?");
if (result == 0) {
for (int i = 0; i < 19; i++) {
for (int j = 0; j < 19; j++) {
allChess[i][j] = 0;
}
}
// 另一种方式 allChess = new int[19][19];
message = "黑方先行";
isBlack = true;
blackTime = maxTime;
whiteTime = maxTime;
blackMessage = maxTime / 3600 + ":"
+ (maxTime / 60 - maxTime / 3600 * 60) + ":"
+ (maxTime - maxTime / 60 * 60);
whiteMessage = maxTime / 3600 + ":"
+ (maxTime / 60 - maxTime / 3600 * 60) + ":"
+ (maxTime - maxTime / 60 * 60);
t.resume();
this.canPlay = true;
this.repaint();
}
}
} catch (NumberFormatException e1) {
// TODO Auto-generated catch block
JOptionPane.showMessageDialog(this, "请正确输入信息!");
}
}
// 点击 游戏说明 按钮
if (e.getX() >= 400 && e.getX() <= 470 && e.getY() >= 170
&& e.getY() <= 200) {
JOptionPane.showMessageDialog(this,
"这个一个五子棋游戏程序，黑白双方轮流下棋，当某一方连到五子时，游戏结束。");
}
// 点击 认输 按钮
if (e.getX() >= 400 && e.getX() <= 470 && e.getY() >= 270
&& e.getY() <= 300) {
int result = JOptionPane.showConfirmDialog(this, "是否确认认输?");
if (result == 0) {
if (isBlack) {
JOptionPane.showMessageDialog(this, "黑方已经认输,游戏结束!");
} else {
JOptionPane.showMessageDialog(this, "白方已经认输,游戏结束!");
}
canPlay = false;
}
}
// 点击 关于 按钮
if (e.getX() >= 400 && e.getX() <= 470 && e.getY() >= 320
&& e.getY() <= 350) {
JOptionPane.showMessageDialog(this,
"本游戏由MLDN制作，有相关问题可以访问www.mldn.cn");
}
// 点击 退出 按钮
if (e.getX() >= 400 && e.getX() <= 470 && e.getY() >= 370
&& e.getY() <= 400) {
JOptionPane.showMessageDialog(this, "游戏结束");
System.exit(0);
}
}

public void mouseReleased(MouseEvent e) {
// TODO Auto-generated method stub

}

private boolean checkWin() {
boolean flag = false;
// 保存共有相同颜色多少棋子相连
int count = 1;
// 判断横向是否有5个棋子相连，特点 纵坐标 是相同， 即allChess[x][y]中y值是相同
int color = allChess[x][y];
/*
* if (color == allChess[x+1][y]) { count++; if (color ==
* allChess[x+2][y]) { count++; if (color == allChess[x+3][y]) {
* count++; } } }
*/
// 通过循环来做棋子相连的判断
/*
* int i = 1; while (color == allChess[x + i][y + 0]) { count++; i++; }
* i = 1; while (color == allChess[x - i][y - 0]) { count++; i++; } if
* (count >= 5) { flag = true; } // 纵向的判断 int i2 = 1 ; int count2 = 1 ;
* while (color == allChess[x + 0][y + i2]) { count2++; i2++; } i2 = 1;
* while (color == allChess[x - 0][y - i2]) { count2++; i2++; } if
* (count2 >= 5) { flag = true ; } // 斜方向的判断（右上 + 左下） int i3 = 1 ; int
* count3 = 1 ; while (color == allChess[x + i3][y - i3]) { count3++;
* i3++; } i3 = 1; while (color == allChess[x - i3][y + i3]) { count3++;
* i3++; } if (count3 >= 5) { flag = true ; } // 斜方向的判断（右下 + 左上） int i4 =
* 1 ; int count4 = 1 ; while (color == allChess[x + i4][y + i4]) {
* count4++; i4++; } i4 = 1; while (color == allChess[x - i4][y - i4]) {
* count4++; i4++; } if (count4 >= 5) { flag = true ; }
*/

// 判断横向
count = this.checkCount(1, 0, color);
if (count >= 5) {
flag = true;
} else {
// 判断纵向
count = this.checkCount(0, 1, color);
if (count >= 5) {
flag = true;
} else {
// 判断右上、左下
count = this.checkCount(1, -1, color);
if (count >= 5) {
flag = true;
} else {
// 判断右下、左上
count = this.checkCount(1, 1, color);
if (count >= 5) {
flag = true;
}
}
}
}

return flag;
}

// 判断棋子连接的数量
private int checkCount(int xChange, int yChange, int color) {
int count = 1;
int tempX = xChange;
int tempY = yChange;
while (x + xChange >= 0 && x + xChange <= 18 && y + yChange >= 0
&& y + yChange <= 18
&& color == allChess[x + xChange][y + yChange]) {
count++;
if (xChange != 0)
xChange++;
if (yChange != 0) {
if (yChange > 0)
yChange++;
else {
yChange--;
}
}
}
xChange = tempX;
yChange = tempY;
while (x - xChange >= 0 && x - xChange <= 18 && y - yChange >= 0
&& y - yChange <= 18
&& color == allChess[x - xChange][y - yChange]) {
count++;
if (xChange != 0)
xChange++;
if (yChange != 0) {
if (yChange > 0)
yChange++;
else {
yChange--;
}
}
}
return count;
}

public void run() {
// TODO Auto-generated method stub
// 判断是否有时间限制
if (maxTime > 0) {
while (true) {
if (isBlack) {
blackTime--;
if (blackTime == 0) {
JOptionPane.showMessageDialog(this, "黑方超时,游戏结束!");
}
} else {
whiteTime--;
if (whiteTime == 0) {
JOptionPane.showMessageDialog(this, "白方超时,游戏结束!");
}
}
blackMessage = blackTime / 3600 + ":"
+ (blackTime / 60 - blackTime / 3600 * 60) + ":"
+ (blackTime - blackTime / 60 * 60);
whiteMessage = whiteTime / 3600 + ":"
+ (whiteTime / 60 - whiteTime / 3600 * 60) + ":"
+ (whiteTime - whiteTime / 60 * 60);
this.repaint();
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println(blackTime + " -- " + whiteTime);
}
}
}

}

㈤ java五子棋代码带详细解释

浩大的工程 你有五子棋程序 如果你水平还行的话你参照这个聊天室程序应该也比较容易写出人人对战的
package Chat;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.net.InetAddress;
import java.net.Socket;
import java.util.StringTokenizer;

import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.border.TitledBorder;

/**
* 聊天室的客户端程序，GUI界面。
*/
public class ChatClient extends JFrame implements ActionListener{

// 登陆聊天室的名字标签和输入框
JLabel nameLabel = new JLabel();
JTextField nameTextField = new JTextField(15);

// 连接和断开连接的按钮
JButton connectButton = new JButton();
JButton disConnectButton = new JButton();

// 聊天室内容的文本域
JTextArea chatContentTextArea = new JTextArea(9, 30);

// 发送消息的按钮
JButton sendMsgButton = new JButton();
// 消息输入框
JTextField msgTextField = new JTextField(20);
JLabel msglabel = new JLabel();
// 聊天室用户列表
java.awt.List peopleList = new java.awt.List(10);

/*以下定义数据流和网络变量*/
Socket soc = null;
PrintStream ps = null;

// 客户端侦听服务器消息的线程
ClentListener listener = null;

public ChatClient() {
init();
}

// 初始化图形界面
public void init() {

this.setTitle("聊天室客户端");

// 初始化按钮和标签
nameLabel.setText("姓名：");
connectButton.setText("连 接");
connectButton.addActionListener(this);
disConnectButton.setText("断 开");
disConnectButton.addActionListener(this);
// 设置聊天内容不可编辑
chatContentTextArea.setEditable(false);
sendMsgButton.setText("发 送");
sendMsgButton.addActionListener(this);
msgTextField.setText("请输入聊天信息");

//panel1放置输入姓名和连接两个按钮
JPanel panel1 = new JPanel();
panel1.setLayout(new FlowLayout());
panel1.add(nameLabel);
panel1.add(nameTextField);
panel1.add(connectButton);
panel1.add(disConnectButton);

//用于放置聊天信息显示和聊天人员列表
JPanel panel2 = new JPanel();
panel2.setLayout(new FlowLayout());
JScrollPane pane1 = new JScrollPane(chatContentTextArea);
pane1.setBorder(new TitledBorder(BorderFactory.createEtchedBorder(
Color.white, new Color(134, 134, 134)), "聊天内容"));
panel2.add(pane1);
JScrollPane pane2 = new JScrollPane(peopleList);
pane2.setBorder(new TitledBorder(BorderFactory.createEtchedBorder(
Color.white, new Color(134, 134, 134)), "用户列表"));
panel2.add(pane2);

//用于放置发送信息区域
JPanel panel3 = new JPanel();
panel3.setLayout(new FlowLayout());
panel3.add(msglabel);
panel3.add(msgTextField);
panel3.add(sendMsgButton);

// 将组件添加到界面
this.getContentPane().setLayout(new BorderLayout());
this.getContentPane().add(panel1, BorderLayout.NORTH);
this.getContentPane().add(panel2, BorderLayout.CENTER);
this.getContentPane().add(panel3, BorderLayout.SOUTH);

this.pack();

try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
SwingUtilities.updateComponentTreeUI(this);
} catch (Exception e) {
e.printStackTrace();
}
}

/**
* 关闭聊天室客户端事件
*/
protected void processWindowEvent(WindowEvent e){
super.processWindowEvent(e);
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
// 如果是关闭聊天室客户端，则断开连接
disconnect();
dispose();
System.exit(0);
}
}

/**
* 处理按钮事件
*/
public void actionPerformed(ActionEvent event) {
Object source = event.getSource();
if (source == connectButton){
// 如果点击连接按钮
if (soc == null) {
try {
// 使用端口2525实例化一个本地套接字
soc = new Socket(InetAddress.getLocalHost(), Constants.SERVER_PORT);
// 在控制台打印实例化的结果
System.out.println(soc);
//将ps指向soc的输出流
ps = new PrintStream(soc.getOutputStream());
//定义一个字符缓冲存储发送信息
StringBuffer info = new StringBuffer(Constants.CONNECT_IDENTIFER).append(Constants.SEPERATOR);
//其中INFO为关键字让服务器识别为连接信息
//并将name和ip用"："分开，在服务器端将用一个
//StringTokenizer类来读取数据
String userinfo = nameTextField.getText() + Constants.SEPERATOR
+ InetAddress.getLocalHost().getHostAddress();
ps.println(info.append(userinfo));

ps.flush();
//将客户端线程实例化，并启动
listener = new ClentListener(this, nameTextField.getText(), soc);
listener.start();
} catch (IOException e) {
System.out.println("Error:" + e);
disconnect();
}
}

} else if (source == disConnectButton){
// 如果点击断开连接按钮
disconnect();

} else if (source == sendMsgButton) {
//如果点击发送按钮
if (soc != null) {
//定义并实例化一个字符缓冲存储发送的聊天信息
StringBuffer msg = new StringBuffer(Constants.MSG_IDENTIFER).append(Constants.SEPERATOR);
//用打印流发送聊天信息
ps.println(msg.append(msgTextField.getText()));
ps.flush();
}
}
}

/**
* 断开与服务器的连接
*/
public void disconnect(){
if (soc != null) {
try {
// 用打印流发送QUIT信息通知服务器断开此次通信
ps.println(Constants.QUIT_IDENTIFER);
ps.flush();
soc.close(); //关闭套接字
listener.toStop();
soc = null;
} catch (IOException e) {
System.out.println("Error:" + e);
}
}
}

public static void main(String[] args){
ChatClient client = new ChatClient();
client.setVisible(true);
}

/**
* 客户端线程类用来监听服务器传来的信息
*/
class ClentListener extends Thread {
//存储客户端连接后的name信息
String name = null;
//客户端接受服务器数据的输入流
BufferedReader br = null;
//实现从客户端发送数据到服务器的打印流
PrintStream ps = null;

//存储客户端的socket信息
Socket socket = null;
//存储当前运行的ChatClient实例
ChatClient parent = null;

boolean running = true;

//构造方法
public ClentListener(ChatClient p, String n, Socket s) {

//接受参数
parent = p;
name = n;
socket = s;

try {
//实例化两个数据流
br = new BufferedReader(new InputStreamReader(s
.getInputStream()));
ps = new PrintStream(s.getOutputStream());

} catch (IOException e) {
System.out.println("Error:" + e);
parent.disconnect();
}
}

// 停止侦听
public void toStop(){
this.running = false;
}

//线程运行方法
public void run(){
String msg = null;
while (running) {
msg = null;
try {
// 读取从服务器传来的信息
msg = br.readLine();
System.out.println("receive msg: " + msg);
} catch (IOException e) {
System.out.println("Error:" + e);
parent.disconnect();
}
// 如果从服务器传来的信息为空则断开此次连接
if (msg == null) {
parent.listener = null;
parent.soc = null;
parent.peopleList.removeAll();
running = false;
return;
}

//用StringTokenizer类来实现读取分段字符
StringTokenizer st = new StringTokenizer(msg, Constants.SEPERATOR);
//读取信息头即关键字用来识别是何种信息
String keyword = st.nextToken();

if (keyword.equals(Constants.PEOPLE_IDENTIFER)) {
//如果是PEOPLE则是服务器发来的客户连接信息
//主要用来刷新客户端的用户列表
parent.peopleList.removeAll();
//遍历st取得目前所连接的客户
while (st.hasMoreTokens()) {
String str = st.nextToken();
parent.peopleList.add(str);
}

} else if (keyword.equals(Constants.MSG_IDENTIFER)) {
//如果关键字是MSG则是服务器传来的聊天信息,
//主要用来刷新客户端聊天信息区将每个客户的聊天内容显示出来
String usr = st.nextToken();
parent.chatContentTextArea.append(usr);
parent.chatContentTextArea.append(st.nextToken("\0"));
parent.chatContentTextArea.append("\r\n");

} else if (keyword.equals(Constants.QUIT_IDENTIFER)) {
//如果关键字是QUIT则是服务器关闭的信息, 切断此次连接
System.out.println("Quit");
try {
running = false;
parent.listener = null;
parent.soc.close();
parent.soc = null;
} catch (IOException e) {
System.out.println("Error:" + e);
} finally {
parent.soc = null;
parent.peopleList.removeAll();
}

break;
}
}
//清除用户列表
parent.peopleList.removeAll();
}
}
}

package Chat;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.StringTokenizer;
import java.util.Vector;

import javax.swing.BorderFactory;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.border.TitledBorder;

/**
* 聊天室的服务器端程序，GUI界面
*/
public class ChatServer extends JFrame {

// 状态栏标签
static JLabel statusBar = new JLabel();
// 显示客户端的连接信息的列表
static java.awt.List connectInfoList = new java.awt.List(10);

// 保存当前处理客户端请求的处理器线程
static Vector clientProcessors = new Vector(10);
// 当前的连接数
static int activeConnects = 0;

// 构造方法
public ChatServer() {
init();
try {
// 设置界面为系统默认外观
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
SwingUtilities.updateComponentTreeUI(this);
} catch (Exception e) {
e.printStackTrace();
}
}

private void init(){
this.setTitle("聊天室服务器");
statusBar.setText("");

// 初始化菜单
JMenu fileMenu = new JMenu();
fileMenu.setText("文件");
JMenuItem exitMenuItem = new JMenuItem();
exitMenuItem.setText("退出");
exitMenuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
exitActionPerformed(e);
}
});
fileMenu.add(exitMenuItem);

JMenuBar menuBar = new JMenuBar();
menuBar.add(fileMenu);
this.setJMenuBar(menuBar);

// 将组件进行布局
JPanel jPanel1 = new JPanel();
jPanel1.setLayout(new BorderLayout());
JScrollPane pane = new JScrollPane(connectInfoList);
pane.setBorder(new TitledBorder(BorderFactory.createEtchedBorder(
Color.white, new Color(134, 134, 134)), "客户端连接信息"));
jPanel1.add(new JScrollPane(pane), BorderLayout.CENTER);

this.getContentPane().setLayout(new BorderLayout());
this.getContentPane().add(statusBar, BorderLayout.SOUTH);
this.getContentPane().add(jPanel1, BorderLayout.CENTER);

this.pack();
}

/**
* 退出菜单项事件
* @param e
*/
public void exitActionPerformed(ActionEvent e){
// 向客户端发送断开连接信息
sendMsgToClients(new StringBuffer(Constants.QUIT_IDENTIFER));
// 关闭所有的连接
closeAll();
System.exit(0);
}

/**
* 处理窗口关闭事件
*/
protected void processWindowEvent(WindowEvent e) {
super.processWindowEvent(e);
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
exitActionPerformed(null);
}
}

/**
* 刷新聊天室，不断刷新clientProcessors，制造最新的用户列表
*/
public static void notifyRoomPeople(){
StringBuffer people = new StringBuffer(Constants.PEOPLE_IDENTIFER);
for (int i = 0; i < clientProcessors.size(); i++) {
ClientProcessor c = (ClientProcessor) clientProcessors.elementAt(i);
people.append(Constants.SEPERATOR).append(c.clientName);
}
// 用sendClients方法向客户端发送用户列表的信息
sendMsgToClients(people);
}

/**
* 向所有客户端群发消息
* @param msg
*/
public static synchronized void sendMsgToClients(StringBuffer msg) {
for (int i = 0; i < clientProcessors.size(); i++) {
ClientProcessor c = (ClientProcessor) clientProcessors.elementAt(i);
System.out.println("send msg: " + msg);
c.send(msg);
}
}

/**
* 关闭所有连接
*/
public static void closeAll(){
while (clientProcessors.size() > 0) {
ClientProcessor c = (ClientProcessor) clientProcessors.firstElement();
try {
// 关闭socket连接和处理线程
c.socket.close();
c.toStop();
} catch (IOException e) {
System.out.println("Error:" + e);
} finally {
clientProcessors.removeElement(c);
}
}
}

/**
* 判断客户端是否合法。
* 不允许同一客户端重复登陆，所谓同一客户端是指IP和名字都相同。
* @param newclient
* @return
*/
public static boolean checkClient(ClientProcessor newclient){
if (clientProcessors.contains(newclient)){
return false;
} else {
return true;
}
}

/**
* 断开某个连接，并且从连接列表中删除
* @param client
*/
public static void disconnect(ClientProcessor client){
disconnect(client, true);
}

/**
* 断开某个连接，根据要求决定是否从连接列表中删除
* @param client
* @param toRemoveFromList
*/
public static synchronized void disconnect(ClientProcessor client, boolean toRemoveFromList){
try {
//在服务器端程序的list框中显示断开信息
connectInfoList.add(client.clientIP + "断开连接");

ChatServer.activeConnects--; //将连接数减1
String constr = "目前有" + ChatServer.activeConnects + "客户相连";
statusBar.setText(constr);
//向客户发送断开连接信息
client.send(new StringBuffer(Constants.QUIT_IDENTIFER));
client.socket.close();

} catch (IOException e) {
System.out.println("Error:" + e);
} finally {
//从clients数组中删除此客户的相关socket等信息， 并停止线程。
if (toRemoveFromList) {
clientProcessors.removeElement(client);
client.toStop();
}
}
}

public static void main(String[] args) {

ChatServer chatServer1 = new ChatServer();
chatServer1.setVisible(true);
System.out.println("Server starting ...");

ServerSocket server = null;
try {
// 服务器端开始侦听
server = new ServerSocket(Constants.SERVER_PORT);
} catch (IOException e) {
System.out.println("Error:" + e);
System.exit(1);
}
while (true) {
// 如果当前客户端数小于MAX_CLIENT个时接受连接请求
if (clientProcessors.size() < Constants.MAX_CLIENT) {
Socket socket = null;
try {
// 收到客户端的请求
socket = server.accept();
if (socket != null) {
System.out.println(socket + "连接");
}
} catch (IOException e) {
System.out.println("Error:" + e);
}

// 定义并实例化一个ClientProcessor线程类，用于处理客户端的消息
ClientProcessor c = new ClientProcessor(socket);
if (checkClient(c)) {
// 添加到列表
clientProcessors.addElement(c);
// 如果客户端合法，则继续
int connum = ++ChatServer.activeConnects;
// 在状态栏里显示连接数
String constr = "目前有" + connum + "客户相连";
ChatServer.statusBar.setText(constr);
// 将客户socket信息写入list框
ChatServer.connectInfoList.add(c.clientIP + "连接");
c.start();
// 通知所有客户端用户列表发生变化
notifyRoomPeople();
} else {
//如果客户端不合法
c.ps.println("不允许重复登陆");
disconnect(c, false);
}

} else {
//如果客户端超过了MAX_CLIENT个，则等待一段时间再尝试接受请求
try {
Thread.sleep(200);
} catch (InterruptedException e) {
}
}
}
}
}

/**
* 处理客户端发送的请求的线程
*/
class ClientProcessor extends Thread {
//存储一个连接客户端的socket信息
Socket socket;
//存储客户端的连接姓名
String clientName;

//存储客户端的ip信息
String clientIP;

//用来实现接受从客户端发来的数据流
BufferedReader br;
//用来实现向客户端发送信息的打印流
PrintStream ps;

boolean running = true;

/**
* 构造方法
* @param s
*/
public ClientProcessor(Socket s) {
socket = s;
try {
// 初始化输入输出流
br = new BufferedReader(new InputStreamReader(socket.getInputStream()));
ps = new PrintStream(socket.getOutputStream());
// 读取收到的信息，第一条信息是客户端的名字、IP信息
String clientInfo = br.readLine();

// 读取信息，根据消息分隔符解析消息
StringTokenizer stinfo = new StringTokenizer(clientInfo, Constants.SEPERATOR);
String head = stinfo.nextToken();
if (head.equals(Constants.CONNECT_IDENTIFER)){
if (stinfo.hasMoreTokens()){
//关键字后的第二段数据是客户名信息
clientName = stinfo.nextToken();
}
if (stinfo.hasMoreTokens()){
//关键字后的第三段数据是客户ip信息
clientIP = stinfo.nextToken();
}
System.out.println(head); //在控制台打印头信息
}
} catch (IOException e) {
System.out.println("Error:" + e);
}
}

/**
* 向客户端发送消息
* @param msg
*/
public void send(StringBuffer msg) {
ps.println(msg);
ps.flush();
}

//线程运行方法
public void run() {

while (running) {
String line = null;
try {
//读取客户端发来的数据流
line = br.readLine();

} catch (IOException e) {
System.out.println("Error" + e);
ChatServer.disconnect(this);
ChatServer.notifyRoomPeople();
return;
}
//客户已离开
if (line == null){
ChatServer.disconnect(this);
ChatServer.notifyRoomPeople();
return;
}

StringTokenizer st = new StringTokenizer(line, Constants.SEPERATOR);
String keyword = st.nextToken();

// 如果关键字是MSG则是客户端发来的聊天信息
if (keyword.equals(Constants.MSG_IDENTIFER)){
StringBuffer msg = new StringBuffer(Constants.MSG_IDENTIFER).append(Constants.SEPERATOR);
msg.append(clientName);
msg.append(st.nextToken("\0"));
// 再将某个客户发来的聊天信息发送到每个连接客户的聊天栏中
ChatServer.sendMsgToClients(msg);

} else if (keyword.equals(Constants.QUIT_IDENTIFER)) {
// 如果关键字是QUIT则是客户端发来断开连接的信息

// 服务器断开与这个客户的连接
ChatServer.disconnect(this);
// 继续监听聊天室并刷新其他客户的聊天人名list
ChatServer.notifyRoomPeople();
running = false;
}
}
}

public void toStop(){
running = false;
}

// 覆盖Object类的equals方法
public boolean equals(Object obj){
if (obj instanceof ClientProcessor){
ClientProcessor obj1 = (ClientProcessor)obj;
if (obj1.clientIP.equals(this.clientIP) &&
(obj1.clientName.equals(this.clientName))){
return true;
}
}
return false;
}

// 覆盖Object类的hashCode方法
public int hashCode(){
return (this.clientIP + Constants.SEPERATOR + this.clientName).hashCode();
}
}

package Chat;

/**
* 定义聊天室程序中用到的常量
*/
public class Constants {

// 服务器的端口号
public static final int SERVER_PORT = 2525;
public static final int MAX_CLIENT = 10;

// 消息标识符与消息体之间的分隔符
public static final String SEPERATOR = "：";

// 消息信息的标识符
public static final String MSG_IDENTIFER = "MSG";
// 用户列表信息的标识符
public static final String PEOPLE_IDENTIFER = "PEOPLE";
// 连接服务器信息的标识符
public static final String CONNECT_IDENTIFER = "INFO";
// 退出信息标识符
public static final String QUIT_IDENTIFER = "QUIT";

}