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java五子棋代码教程 java五子棋源代码及uml类图
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求一个简单的JAVA五子棋代码！！ 网上复制的别来了！
以下是现写的 实现了两人对战 自己复制后运行把 没什么难度 类名 Games
import java.util.Scanner;
public class Games {
private String board[][];
private static int SIZE = 17;
private static String roles = "A玩家";
//初始化数组
public void initBoard() {
board = new String[SIZE][SIZE];
for (int i = 0; i SIZE; i++) {
for (int j = 0; j SIZE; j++) {
// if(i==0){
// String str = "";
// str += j+" ";
// board[i][j]= str;
// }else if(i!=0j==0){
// String str = "";
// str += i+" ";
// board[i][j]= str;
// }else{
board[i][j] = "╋";
// }
}
}
}
//输出棋盘
public void printBoard() {
for (int i = 0; i SIZE; i++) {
for (int j = 0; j SIZE; j++) {
System.out.print(board[i][j]);
}
System.out.println();
}
}
//判断所下棋子位置是否合理
public boolean isOk(int x, int y) {
boolean isRight = true;
if (x = 16 || x 1 || y = 16 | y 1) {
//System.out.println("输入错误，请从新输入");
isRight = false;
}
if (board[x][y].equals("●") || board[x][y].equals("○")) {
isRight = false;
}
return isRight;
}
//判断谁赢了
public void whoWin(Games wz) {
// 从数组挨个查找找到某个类型的棋子就从该棋子位置向右，向下，斜向右下 各查找5连续的位置看是否为5个相同的
int xlabel;// 记录第一次找到某个棋子的x坐标
int ylabel;// 记录第一次找到某个棋子的y坐标
// ●○╋
// 判断人是否赢了
for (int i = 0; i SIZE; i++) {
for (int j = 0; j SIZE; j++) {
if (board[i][j].equals("○")) {
xlabel = i;
ylabel = j;
// 横向找 x坐标不变 y坐标以此加1连成字符串
String heng = "";
if (i + 5 SIZE j + 5 SIZE) {
for (int k = j; k j + 5; k++) {
heng += board[i][k];
}
if (heng.equals("○○○○○")) {
System.out.println(roles+"赢了！您输了！");
System.exit(0);
}
// 向下判断y不变 x逐增5 连成字符串
String xia = "";
for (int l = j; l i + 5; l++) {
xia += board[l][j];
// System.out.println(xia);
}
if (xia.equals("○○○○○")) {
System.out.println(roles+"赢了！您输了！");
System.exit(0);
}
// 斜向右下判断
String youxia = "";
for (int a = 1; a = 5; a++) {
youxia += board[xlabel++][ylabel++];
}
if (youxia.equals("○○○○○")) {
System.out.println(roles+"赢了！您输了！");
System.exit(0);
}
}
}
}
}
// 判断电脑是否赢了
for (int i = 0; i SIZE; i++) {
for (int j = 0; j SIZE; j++) {
if (board[i][j].equals("●")) {
xlabel = i;
ylabel = j;
// 横向找 x坐标不变 y坐标以此加1连成字符串
String heng = "";
if (j + 5 SIZE i + 5 SIZE) {
for (int k = j; k j + 5; k++) {
heng += board[i][k];
}
if (heng.equals("●●●●●")) {
System.out.println(roles+"赢输了！您输了！");
System.exit(0);
}
// 向下判断y不变 x逐增5 连成字符串
String xia = "";
for (int l = i; l i + 5; l++) {
xia += board[l][ylabel];
// System.out.println(xia);
}
if (xia.equals("●●●●●")) {
System.out.println(roles+"赢了！您输了！");
System.exit(0);
}
// 斜向右下判断
String youxia = "";
for (int a = 1; a = 5; a++) {
youxia += board[xlabel++][ylabel++];
}
if (youxia.equals("●●●●●")) {
System.out.println(roles+"赢了！您输了！");
System.exit(0);
}
}
}
}
}
}
public static void main(String[] args) {
Games wz = new Games();
Scanner sc = new Scanner(System.in);
wz.initBoard();
wz.printBoard();
while (true) {
System.out.print("请"+roles+"输入X，Y坐标，必须在0－15范围内，xy以空格隔开,输入16 16结束程序");
int x = sc.nextInt();
int y = sc.nextInt();
if (x == SIZE y == SIZE) {
System.out.println("程序结束");
System.exit(0);
}
if (x SIZE || x 0 || y SIZE | y 0) {
System.out.println("输入错误，请从新输入");
continue;
}
//如果roles是A玩家 就让A玩家下棋，否则就让B玩家下棋。
if (wz.board[x][y].equals("╋")roles.equals("A玩家")) {
wz.board[x][y] = "○";
wz.printBoard();
//判断输赢
wz.whoWin(wz);
}else if(wz.board[x][y].equals("╋")roles.equals("B玩家")){
wz.board[x][y] = "●";
wz.printBoard();
//判断输赢
wz.whoWin(wz);
} else {
System.out.println("此处已经有棋子,从新输入");
continue;
}
if(roles.equals("A玩家")){
roles = "B玩家";
}else if(roles.equals("B玩家")){
roles = "A玩家";
}
}
}
}
想用Java 做五子棋游戏而且是多线程的应该怎么做
直接上程序吧：
//wuziqi.java
import java.applet.Applet;
import java.awt.Button;
import java.awt.Checkbox;
import java.awt.CheckboxGroup;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Label;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
@SuppressWarnings("serial")
public class wuziqi extends Applet implements ActionListener,MouseListener,MouseMotionListener,ItemListener
{
int color_Qizi=0;//旗子的颜色标识 0:白子 1:黑子
int intGame_Start=0;//游戏开始标志 0未开始 1游戏中
int intGame_Body[][]=new int[16][16]; //设置棋盘棋子状态 0 无子 1 白子 2 黑子
Button b1=new Button("游戏开始");
Button b2=new Button("重置游戏");
Label lblWin=new Label(" ");
Checkbox ckbHB[]=new Checkbox[2];
CheckboxGroup ckgHB=new CheckboxGroup();
public void init()
{
setLayout(null);
addMouseListener(this);
add(b1);
b1.setBounds(330,50,80,30);
b1.addActionListener(this);
add(b2);
b2.setBounds(330,90,80,30);
b2.addActionListener(this);
ckbHB[0]=new Checkbox("白子先",ckgHB,false);
ckbHB[0].setBounds(320,20,60,30);
ckbHB[1]=new Checkbox("黑子先",ckgHB,false);
ckbHB[1].setBounds(380,20,60,30);
add(ckbHB[0]);
add(ckbHB[1]);
ckbHB[0].addItemListener(this);
ckbHB[1].addItemListener(this);
add(lblWin);
lblWin.setBounds(330,130,80,30);
Game_start_csh();
}
public void itemStateChanged(ItemEvent e)
{
if (ckbHB[0].getState()) //选择黑子先还是白子先
{
color_Qizi=0;
}
else
{
color_Qizi=1;
}
}
public void actionPerformed(ActionEvent e)
{
@SuppressWarnings("unused")
Graphics g=getGraphics();
if (e.getSource()==b1)
{
Game_start();
}
else
{
Game_re();
}
}
public void mousePressed(MouseEvent e){}
@SuppressWarnings("unused")
public void mouseClicked(MouseEvent e)
{
Graphics g=getGraphics();
int x1,y1;
x1=e.getX();
y1=e.getY();
if (e.getX()20 || e.getX()300 || e.getY()20 || e.getY()300)
{
return;
}
if (x1%2010)
{
x1+=20;
}
if(y1%2010)
{
y1+=20;
}
x1=x1/20*20;
y1=y1/20*20;
set_Qizi(x1,y1);
}
public void mouseEntered(MouseEvent e){}
public void mouseExited(MouseEvent e){}
public void mouseReleased(MouseEvent e){}
public void mouseDragged(MouseEvent e){}
public void mouseMoved(MouseEvent e){}
public void paint(Graphics g)
{
draw_qipan(g);
}
public void set_Qizi(int x,int y) //落子
{
if (intGame_Start==0) //判断游戏未开始
{
return;
}
if (intGame_Body[x/20][y/20]!=0)
{
return;
}
Graphics g=getGraphics();
if (color_Qizi==1)//判断黑子还是白子
{
g.setColor(Color.black);
color_Qizi=0;
}
else
{
g.setColor(Color.white);
color_Qizi=1;
}
g.fillOval(x-10,y-10,20,20);
intGame_Body[x/20][y/20]=color_Qizi+1;
if (Game_win_1(x/20,y/20)) //判断输赢
{
lblWin.setText(Get_qizi_color(color_Qizi)+"赢了!");
intGame_Start=0;
}
if (Game_win_2(x/20,y/20)) //判断输赢
{
lblWin.setText(Get_qizi_color(color_Qizi)+"赢了!");
intGame_Start=0;
}
if (Game_win_3(x/20,y/20)) //判断输赢
{
lblWin.setText(Get_qizi_color(color_Qizi)+"赢了!");
intGame_Start=0;
}
if (Game_win_4(x/20,y/20)) //判断输赢
{
lblWin.setText(Get_qizi_color(color_Qizi)+"赢了!");
intGame_Start=0;
}
}
public String Get_qizi_color(int x)
{
if (x==0)
{
return "黑子";
}
else
{
return "白子";
}
}
public void draw_qipan(Graphics G) //画棋盘 15*15
{
G.setColor(Color.lightGray);
G.fill3DRect(10,10,300,300,true);
G.setColor(Color.black);
for(int i=1;i16;i++)
{
G.drawLine(20,20*i,300,20*i);
G.drawLine(20*i,20,20*i,300);
}
}
public void Game_start() //游戏开始
{
intGame_Start=1;
Game_btn_enable(false);
b2.setEnabled(true);
}
public void Game_start_csh() //游戏开始初始化
{
intGame_Start=0;
Game_btn_enable(true);
b2.setEnabled(false);
ckbHB[0].setState(true);
for (int i=0;i16 ;i++ )
{
for (int j=0;j16 ;j++ )
{
intGame_Body[i][j]=0;
}
}
lblWin.setText("");
}
public void Game_re() //游戏重新开始
{
repaint();
Game_start_csh();
}
public void Game_btn_enable(boolean e) //设置组件状态
{
b1.setEnabled(e);
b2.setEnabled(e);
ckbHB[0].setEnabled(e);
ckbHB[1].setEnabled(e);
}
public boolean Game_win_1(int x,int y) //判断输赢 横
{
int x1,y1,t=1;
x1=x;
y1=y;
for (int i=1;i5 ;i++ )
{
if (x115)
{
break;
}
if (intGame_Body[x1+i][y1]==intGame_Body[x][y])
{
t+=1;
}
else
{
break;
}
}
for (int i=1;i5 ;i++ )
{
if (x11)
{
break;
}
if(intGame_Body[x1-i][y1]==intGame_Body[x][y])
{
t+=1;
}
else
{
break;
}
}
if (t4)
{
return true;
}
else
{
return false;
}
}
public boolean Game_win_2(int x,int y) //判断输赢 竖
{
int x1,y1,t=1;
x1=x;
y1=y;
for (int i=1;i5 ;i++ )
{
if (x115)
{
break;
}
if (intGame_Body[x1][y1+i]==intGame_Body[x][y])
{
t+=1;
}
else
{
break;
}
}
for (int i=1;i5 ;i++ )
{
if (x11)
{
break;
}
if(intGame_Body[x1][y1-i]==intGame_Body[x][y])
{
t+=1;
}
else
{
break;
}
}
if (t4)
{
return true;
}
else
{
return false;
}
}
public boolean Game_win_3(int x,int y) //判断输赢 左斜
{
int x1,y1,t=1;
x1=x;
y1=y;
for (int i=1;i5 ;i++ )
{
if (x115)
{
break;
}
if (intGame_Body[x1+i][y1-i]==intGame_Body[x][y])
{
t+=1;
}
else
{
break;
}
}
for (int i=1;i5 ;i++ )
{
if (x11)
{
break;
}
if(intGame_Body[x1-i][y1+i]==intGame_Body[x][y])
{
t+=1;
}
else
{
break;
}
}
if (t4)
{
return true;
}
else
{
return false;
}
}
public boolean Game_win_4(int x,int y) //判断输赢 左斜
{
int x1,y1,t=1;
x1=x;
y1=y;
for (int i=1;i5 ;i++ )
{
if (x115)
{
break;
}
if (intGame_Body[x1+i][y1+i]==intGame_Body[x][y])
{
t+=1;
}
else
{
break;
}
}
for (int i=1;i5 ;i++ )
{
if (x11)
{
break;
}
if(intGame_Body[x1-i][y1-i]==intGame_Body[x][y])
{
t+=1;
}
else
{
break;
}
}
if (t4)
{
return true;
}
else
{
return false;
}
}
}
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java五子棋代码教程，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java五子棋代码教程：");
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"java五子棋代码教程："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java五子棋代码教程了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";
}
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