java实现聊天室功能(包含全部代码,有界面)

服务器端代码：import .*;import java.io.*;import java.util.*;import java.util.concurrent.*;import javax.swing.*;public class Server{private static final int PORT=6666;G_Menu gm=new G_Menu();private ServerSocket server;public ArrayList<PrintWriter> list;public static String user;public static ArrayList<User> list1=new ArrayList<User>();//定义用户集合public User uu;public Server(String user){er=user;}public void getServer(){list =new ArrayList<PrintWriter>();try{server=new ServerSocket(PORT);System.out.println("服务器启动，开始监听......");while(true){Socket client=server.accept();//接收客户端线程PrintWriter writer = new PrintWriter(client.getOutputStream());list.add(writer);Thread t = new Thread(new Chat(client));t.start();}}catch(Exception ex){ex.printStackTrace();}}public static void main(String[] args){new Server(user).getServer();}class Chat implements Runnable{Socket socket;private BufferedReader br;private String msg;private String mssg="";public Chat(Socket socket){try{this.socket=socket;}catch(Exception ex){ex.printStackTrace();}}public void run(){try{br=new BufferedReader(new InputStreamReader(socket.getInputStream()));while((msg=br.readLine())!=null){if(msg.equals("1008611"))//匹配字符串显示好友列表{msg=br.readLine();String[] st=msg.split(":");//将用户信息跟消息分隔开uu=new User(st[0],st[1],socket);//将用户信息添加到User对象中list1.add(uu);//将对象添加到用户集合Iterator<User> it=Server.list1.iterator();//遍历用户集合while(it.hasNext()){User use=it.next();msg=use.getName()+"("+use.getSex()+"):";mssg+=msg;//将所有的用户信息连接成一个字符串}sendMessage("1008611");//显示好友列表匹配标识sendMessage(mssg);//群发消息}else if(msg.equals("10010"))//显示说话消息{msg=br.readLine();System.out.println(msg);sendMessage("10010");//显示说话信息匹配标识sendMessage(msg);}else if(msg.equals("10086"))//显示进入聊天室{msg=br.readLine();System.out.println(msg);sendMessage("10086");//进入聊天室匹配标识sendMessage(msg);}else if(msg.equals("841163574"))//私聊{msg=br.readLine();String[] rt=msg.split("1072416535");//把传进来的用户信息跟说话内容分开System.out.println(rt[1]);//在服务器端显示说话内容String[] tg=rt[0].split(":");//因为是私聊，传过来两个用户的用户信息，这句作用是再把两个用户信息分开Iterator<User> iu=Server.list1.iterator();//遍历用户集合while(iu.hasNext()){User se=iu.next();if(tg[1].equals(se.getName()+"("+se.getSex()+")"))//如果传进来的用户信息跟集合中的用户信息吻合{try{PrintWriter pwriter=new PrintWriter(se.getSock().getOutputStream());//建立用户自己的流pwriter.println("841163574");//匹配标识pwriter.println(rt[1]);//向单独用户发送消息pwriter.flush();System.out.println(rt[1]);}catch(Exception ex){ex.printStackTrace();}}else if(tg[0].equals(se.getName()))//如果传进来的用户信息跟集合中的用户信息吻合{try{PrintWriter pwr=new PrintWriter(se.getSock().getOutputStream());//建立用户自己的流pwr.println("841163574");//匹配标识pwr.println(rt[1]);//向单独用户发送消息pwr.flush();System.out.println(rt[1]);}catch(Exception ex){ex.printStackTrace();}}}}else if(msg.equals("456987"))//下线{msg=br.readLine();System.out.println(msg);//在服务端显示信息sendMessage("456987");//匹配字符串sendMessage(msg);//匹配完毕后群发消息String[] si=msg.split(":");//将传过来的用户名跟信息分隔开Iterator<User> at=Server.list1.iterator();//遍历用户集合while(at.hasNext()){User sr=at.next();if(sr.getName().equals(si[0]))//如果传过来的用户名跟用户集合里的用户吻合{list1.remove(sr);//将吻合的用户移除sr.getSock().close();//关闭此用户的socket}}break;}else if(msg.equals("123654"))//刷新{String mssge="";Iterator<User> iter=Server.list1.iterator();//遍历用户集合while(iter.hasNext()){User uus=iter.next();msg=uus.getName()+"("+uus.getSex()+"):";mssge+=msg;//将所有的用户信息连接成一个字符串}sendMessage("123654");//发送刷新匹配标识sendMessage(mssge);//群发消息}}}catch(IOException ex){ex.printStackTrace();}}}public void sendMessage(String message)//群发消息方法{try{for(PrintWriter pw:list)//输出流集合{pw.println(message);pw.flush();}}catch(Exception ex){ex.printStackTrace();}}}客户端代码：import .*;import java.io.*;import java.util.*;import java.util.concurrent.*;public class Socket_one//客户端{private static final int PORT=6666;//端口public static String user;public static Socket socket;public Socket_one(String user){er=user;try{socket=new Socket("127.0.0.1",PORT);//建立socket连接System.out.println("【"+user+"】欢迎来到聊天室！");Thread tt=new Thread(new Recove(socket,user));//建立客户端线程tt.start();//启动线程}catch(Exception ex){ex.printStackTrace();}}public static void main(String[] args) throws Exception{new Socket_one(user);}}class Recove implements Runnable{public String user;private Socket socket;private BufferedReader keybord;public BufferedReader br;private PrintWriter pw;private String msg;G_Menu gm=new G_Menu();public Recove(Socket socket,String user) throws IOException{try{this.socket=socket;er=user;}catch(Exception ex){ex.printStackTrace();}}public void run(){try{br=new BufferedReader(new InputStreamReader(socket.getInputStream()));while((msg=br.readLine())!=null){String message=msg;if(message.equals("1008611"))//匹配字符串显示好友列表{gm.listModel1.clear();//接收前清空好友列表gm.jcomb.removeAllItems();//清空JComboxgm.jcomb.addItem("所有人");message=br.readLine();String[] str=message.split(":");//将接收到的所有用户信息分隔开for(String ss:str){gm.listModel1.addElement(ss);//将所有用户信息添加到好友列表gm.jcomb.addItem(ss);//将所有用户信息添加到JCombox}}else if(message.equals("841163574"))//私聊{message=br.readLine();System.out.println("收到："+message);//在服务器端显示私聊消息gm.jta2.append(message+"\n");//在我的频道显示私聊信息}else if(message.equals("10010"))//显示说话消息{message=br.readLine();System.out.println("收到："+message);//在服务器端显示说话信息gm.jta1.append(message+"\n");//在公共频道显示说话信息gm.jta2.append(message+"\n");//在我的频道显示说话信息}else if(message.equals("10086"))//显示进入聊天室{message=br.readLine();gm.jta1.append(message+"\n");//在公共频道显示进入聊天室信息gm.jta2.append(message+"\n");//在我的频道显示进入聊天室信息}else if(message.equals("123654"))//刷新{gm.listModel1.clear();//将好友列表清空gm.jcomb.removeAllItems();//将JCombox 清空gm.jcomb.addItem("所有人");message=br.readLine();String[] sr=message.split(":");//将接收到的用户信息分隔开for(String sst:sr){gm.listModel1.addElement(sst);////将刷新后所有用户信息添加到好友列表gm.jcomb.addItem(sst);//将刷新后所有用户信息添加到JCombox}}else if(message.equals("456987"))//下线{message=br.readLine();gm.jta1.append(message+"\n");//在公共频道显示用户下线信息gm.jta2.append(message+"\n");//在我的频道显示用户下线信息}}}catch(IOException ex){ex.printStackTrace();}}}登陆界面代码：import java.awt.*;import java.awt.event.*;import javax.swing.*;import java.util.*;import javax.swing.border.*;class Landen extends Frame implements ActionListener{JFrame jf=new JFrame("聊天登陆");JPanel jp1=new JPanel();JPanel jp2=new JPanel();JPanel jp3=new JPanel();JPanel jp4=new JPanel();JLabel jl1=new JLabel("姓名：");JLabel jl2=new JLabel("地址：");JLabel jl3=new JLabel("端口：");JRadioButton jrb1=new JRadioButton("男生"); JRadioButton jrb2=new JRadioButton("女生"); JRadioButton jrb3=new JRadioButton("保密");public JTextField jtf1=new JTextField(10); public JTextField jtf2=new JTextField(10); public JTextField jtf3=new JTextField(10);JButton jb1=new JButton("连接");JButton jb2=new JButton("断开"); TitledBorder tb=new TitledBorder(""); ButtonGroup gb=new ButtonGroup();public void init()//显示登录界面{jb1.addActionListener(this);jb2.addActionListener(this);jp1.add(jl1);jp1.add(jtf1);jp1.add(jrb1);jp1.add(jrb2);jp1.add(jrb3);jp2.add(jl2);jp2.add(jtf2);jp2.add(jl3);jp2.add(jtf3);jp3.add(jb1);jp3.add(jb2);jp4.setLayout(new GridLayout(3,1));jp4.add(jp1);jp4.add(jp2);jp4.add(jp3);jf.add(jp4);jtf2.setText("localhost");jtf3.setText("6666");gb.add(jrb1);gb.add(jrb2);gb.add(jrb3);jf.setLocation(200, 200);jf.setSize(350, 200);jf.setResizable(false);jf.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);jf.setVisible(true);}public void actionPerformed(ActionEvent event)//事件触发{jb1.setText("连接");jb2.setText("断开");String s1=null;if(event.getActionCommand().equals("断开")){System.exit(0);}if(event.getActionCommand().equals("连接")){if(jtf1.getText().equals("")){JOptionPane.showMessageDialog(null,"请输入用户名！");}else if(!jrb1.isSelected()&&!jrb2.isSelected()&&!jrb3.isSelected()){JOptionPane.showMessageDialog(null,"请选择性别！");}else{jf.setVisible(false);if(jrb1.isSelected()){s1="boy";}else if(jrb2.isSelected()){s1="girl";}else if(jrb3.isSelected()){s1="secret";}G_Menu gmu=new G_Menu();gmu.getMenu(jtf1.getText(),s1);gmu.sock();}}}}public class Login{public static void main(String[] args){new Landen().init();}}主界面代码：import java.awt.*;import java.awt.event.*;import javax.swing.*;import javax.swing.border.*;import .*;import java.io.*;class G_Menu extends JFrame implements ActionListener {JFrame jf=new JFrame("聊天室");public Socket_one soc;public PrintWriter pw;public JPanel jp1=new JPanel();public JPanel jp2=new JPanel();public JPanel jp3=new JPanel();public JPanel jp4=new JPanel();public JPanel jp5=new JPanel();public JPanel jp6=new JPanel();public JPanel jp7=new JPanel();public static JTextArea jta1=new JTextArea(12,42); public static JTextArea jta2=new JTextArea(12,42);public JLabel jl1=new JLabel("对");public static JComboBox jcomb=new JComboBox();public JCheckBox jcb=new JCheckBox("私聊");public JTextField jtf=new JTextField(36);public JButton jb1=new JButton("发送>>");public JButton jb2=new JButton("刷新");public static DefaultListModel listModel1;public static JList lst1;public String na;public String se;public String message;public void getMenu(String name,String sex)//显示聊天界面{jcomb.addItem("所有人");this.na=name;this.se=sex;jta1.setEditable(false);jta2.setEditable(false);listModel1= new DefaultListModel();lst1 = new JList(listModel1);lst1.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);lst1.setVisibleRowCount(18);lst1.setFixedCellHeight(28);lst1.setFixedCellWidth(100);JScrollPane jsp1=new JScrollPane(jta1);JScrollPane jsp2=new JScrollPane(jta2);JScrollPane jsp3=new JScrollPane(lst1);jsp3.setBorder(new TitledBorder("好友列表"));jsp1.setBorder(new TitledBorder("主聊天频道"));jsp2.setBorder(new TitledBorder("我的频道"));jp1.setLayout(new GridLayout(2,1));jp1.add(jsp1);jp1.add(jsp2);jp2.setLayout(new FlowLayout(FlowLayout.LEFT));jp2.add(jl1);jp2.add(jcomb);jp2.add(jcb);jp3.setLayout(new FlowLayout(FlowLayout.LEFT));jp3.add(jtf);jp3.add(jb1);jp4.setLayout(new GridLayout(2,1));jp4.add(jp2);jp4.add(jp3);jp5.setLayout(new BorderLayout());jp5.add(jp1,BorderLayout.NORTH);jp5.add(jp4,BorderLayout.SOUTH);jp6.setLayout(new BorderLayout());jp6.add(jsp3,BorderLayout.NORTH);jp6.add(jb2,BorderLayout.SOUTH);jp7.setLayout(new FlowLayout(FlowLayout.LEFT));jp7.add(jp5);jp7.add(jp6);jf.add(jp7);jf.setLocation(200,200);jf.setSize(700,650);jf.setResizable(false);jf.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);jf.setVisible(true);jb1.addActionListener(this);jb2.addActionListener(this);jta1.setLineWrap(true);jta2.setLineWrap(true);jsp1.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAY S);jsp1.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ NEVER);jsp2.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAY S);jsp2.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ NEVER);jsp3.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAY S);jsp3.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_jf.pack();}public void sock(){try{String user=na+"("+se+")";//将用户信息保存成字符串形式soc=new Socket_one(user);//创建客户端对象pw=new PrintWriter(soc.socket.getOutputStream());//创建输出流pw.println("1008611");//发送好友列表标识pw.println(na+":"+se);//发送用户信息pw.flush();pw.println("10086");//发送进入聊天室标识pw.println("【"+na+"】"+"进入聊天室");//发送进入聊天室信息pw.flush();}catch(Exception ex){ex.printStackTrace();}}public G_Menu() {//设置窗口关闭事件，如果点击窗口右上角叉号关闭，执行下边程序jf.addWindowListener( new WindowAdapter(){public void windowClosing(WindowEvent e){try {pw=new PrintWriter(soc.socket.getOutputStream());pw.println("456987");//发送下线标识pw.println(na+":离开聊天室");//发送下线信息pw.flush();jf.dispose();//关闭窗口}catch(Exception ex) {}}});}public void actionPerformed(ActionEvent event)//事件触发{jb1.setText("发送>>");jb2.setText("刷新");try{pw=new PrintWriter(soc.socket.getOutputStream());if(event.getActionCommand().equals("发送>>"))//点击发送触发{if(!jtf.getText().equals("")){if(jcb.isSelected()){String name1=(String)jcomb.getSelectedItem();message="悄悄话"+na+"("+se+")"+"对"+name1+"说："+jtf.getText();pw.println("841163574");//发送私聊标识pw.println(na+":"+name1+"1072416535"+message);//发送私聊信息pw.flush();}else{pw.println("10010");//发送聊天标识pw.println(na+"说："+jtf.getText());//发送聊天信息pw.flush();}}}else if(event.getActionCommand().equals("刷新"))//点击刷新触发{pw=new PrintWriter(soc.socket.getOutputStream());pw.println("123654");//发送刷新标识pw.flush();}}catch(Exception ex){ex.printStackTrace();}jtf.setText("");//清空输入栏信息jtf.requestFocus();//输入焦点}}实体类代码：import java.util.*;import .*;import java.io.*;class User{private String name;//用户姓名private String sex;//用户性别private Socket sock;//用户自己的socket public User(String name,String sex,Socket sock) {setName(name);setSex(sex);setSock(sock);}public String getName(){return name;}public void setName(String name){=name;}public String getSex(){return sex;}public void setSex(String sex){this.sex=sex;}public Socket getSock(){return sock;}public void setSock(Socket sock){this.sock=sock;}}使用说明：1、先将所有的类都编译一下2、先运行服务器端代码3、再运行登录界面代码。