新建 文本文档.txt

一个java多线程聊天程序的源码

//Server.java

    import java.awt.*;
    import java.net.*;
    import java.io.*;

    public class Server extends Thread {
        ServerSocket skt;

        Socket Client[]=new Socket[10];;
        Socket Client1=null;

        int i = 0;

        TextArea in;

        int port,k=0,l=0;

        //BufferedReader theInputStream;

        PrintStream theOutputStream;

        //String readin;

        Face chat;

        public Server(int port, Face chat) {
            try {
                this.port = port;
                skt = new ServerSocket(port);
                this.chat = chat;
            } catch (IOException e) {
                chat.ta.append(e.toString());
            }
        }

        public void run() {

            chat.ta.append("等待连线......");

            while (true) {
                //System.out.print(""+i+"\n");
                try {


                Client[k] = skt.accept(); /* 接收客户连接 */

                //当有客户端连接时就新建一个子线程


                if (i < 2) {
                    ServerThread server[] = new ServerThread[10];
                     server[k]= new ServerThread(Client[k], this.chat, i);
                     l=server.length;
                     server[k].start();
                    chat.ta.append("客户端" + Client[k].getInetAddress() + "已连线\n");
                    /*theInputStream = new BufferedReader(new InputStreamReader(Client
                            .getInputStream()));*/
                    //for(int j=0;j<server.length;j++)
                    theOutputStream = new PrintStream(server[k].getClient().getOutputStream());
                    i = server[k].getI();
                    k++;
                } else {
                    //theOutputStream = new PrintStream(null);
                }

            } catch (SocketException e) {
                //chat.ta.append("连线中断！\n");

                //chat.clientBtn.setEnabled(true);
                //chat.serverBtn.setEnabled(true);
                //chat.tfaddress.setEnabled(true);
                //chat.tfport.setEnabled(true);
                //try {

                        //skt.close();
                        //Client.close();
                    //} catch (IOException err) {
                    //    chat.ta.append(err.toString());
                    //}
                } catch (IOException e) {
                    chat.ta.append(e.toString());
                }
            }

        }

        public void dataout(String data) {
            //for(int j=0;j<l;j++)
            theOutputStream.println(data);
        }
    }

    class ServerThread extends Thread {
        ServerSocket skt;

        Socket Client;

        TextArea in;

        int port;

        int i;

        BufferedReader theInputStream;

        PrintStream theOutputStream;

        String readin;

        Face chat;
 //服务端子线程

        public ServerThread(Socket s, Face chat, int i) {
            this.i = ++i;
            Client = s;
            //this.port = port;
            //skt = new ServerSocket(port);
            this.chat = chat;

        }

        public int getI() {
            return this.i;
        }
        public Socket getClient() {
            return this.Client;
        }
        public void run() {

            //chat.ta.append("等待连线......");

            try {
                //Client = skt.accept(); /* 接收客户连接 */

                //chat.ta.append("客户端" + Client.getInetAddress() + "已连线\n");
                theInputStream = new BufferedReader(new InputStreamReader(Client
                        .getInputStream()));
                theOutputStream = new PrintStream(Client.getOutputStream());

                while (true) {
                    readin = theInputStream.readLine();
                    chat.ta.append(readin + "\n");
                }

            } catch (SocketException e) {
                chat.ta.append("连线中断！\n");

                chat.clientBtn.setEnabled(true);
                chat.serverBtn.setEnabled(true);
                chat.tfaddress.setEnabled(true);
                chat.tfport.setEnabled(true);
                try {
                    i--;
                    skt.close();
                    Client.close();
                } catch (IOException err) {
                    chat.ta.append(err.toString());
                }
            } catch (IOException e) {
                chat.ta.append(e.toString());
            }
        }

        public void dataout(String data) {
            theOutputStream.println(data);
        }
    }

    //Client.java

    import java.net.*;
    import java.io.*;
    import javax.swing.Timer;
    class Client extends Thread {
        Socket skt;
        InetAddress host;
        int port;

        BufferedReader theInputStream;
        PrintStream theOutputStream;
        String readin;

        Face chat;

        public Client(String ip, int p, Face chat) {
            try {
                host = InetAddress.getByName(ip);
                port = p;
                this.chat = chat;
            } catch (IOException e) {
                chat.ta.append(e.toString());
            }
        }

        public void run() {
            try {
                chat.ta.append("尝试连线......");

                skt = new Socket(host, port);
                chat.ta.append("连线成功\n");

                theInputStream = new BufferedReader(new InputStreamReader(skt
                        .getInputStream()));

                theOutputStream = new PrintStream(skt.getOutputStream());
                //Timer myTimer = new Timer();
                while (true) {
                    readin = theInputStream.readLine();
                    chat.ta.append(readin + "\n");
                }
            } catch (SocketException e) {
                chat.ta.append("连线中断！\n");
                chat.clientBtn.setEnabled(true);
                chat.serverBtn.setEnabled(true);
                chat.tfaddress.setEnabled(true);
                chat.tfport.setEnabled(true);
                try {
                    skt.close();
                } catch (IOException err) {
                    chat.ta.append(err.toString());
                }
            } catch (IOException e) {
                chat.ta.append(e.toString());
            }
        }

        public void dataout(String data) {
            theOutputStream.println(data);
        }
    }

//软件界面，进行按键监听调用。

    //face.java

    import java.awt.*;
    import java.awt.event.*;

    public class Face extends Frame {
        /**
         *
         */
        private static final long serialVersionUID = 1L;
        Button clientBtn, serverBtn;
        TextArea ta;
        TextField tfaddress, tfport, tftype;
        int port;
        Client client;
        Server server;
        boolean iamserver;
        static Face frm;

        public Face() {
            clientBtn = new Button("客户端");
            serverBtn = new Button("服务器");
            ta = new TextArea("", 10, 50, TextArea.SCROLLBARS_BOTH);
            tfaddress = new TextField("192.168.1.104", 20);
            tfport = new TextField("2000");
            tftype = new TextField(50);

            tftype.addKeyListener(new TFListener());
            ta.setEditable(false);

            setLayout(new FlowLayout());
            add(tfaddress);
            add(tfport);
            add(clientBtn);
            add(serverBtn);
            add(ta);
            add(tftype);
            setSize(400, 300);
            setTitle("我的聊天室");
            this.setVisible(true);

            clientBtn.addActionListener(new ActionListener() {
                public void actionPerformed(ActionEvent e) {

                    port = Integer.parseInt(tfport.getText());

                    client = new Client(tfaddress.getText(), port, frm);

                    client.start();

                    tfaddress.setEnabled(false);
                    tfport.setEnabled(false);
                    serverBtn.setEnabled(false);
                    clientBtn.setEnabled(false);
                }
            });

            serverBtn.addActionListener(new ActionListener() {
                public void actionPerformed(ActionEvent e) {

                    port = Integer.parseInt(tfport.getText());

                    server = new Server(port, frm);

                    server.start();

                    iamserver = true;
                    tfaddress.setText("成为服务器");

                    tfaddress.setEnabled(false);
                    tfport.setEnabled(false);
                    serverBtn.setEnabled(false);
                    clientBtn.setEnabled(false);
                }
            });

            addWindowListener(new WindowAdapter() {
                public void windowClosing(WindowEvent e) {
                    System.exit(0);
                }
            });

        }

        public static void main(String args[]) {
            frm = new Face();
        }

        private class TFListener implements KeyListener {
            public void keyPressed(KeyEvent e) {

                if (e.getKeyCode() == KeyEvent.VK_ENTER) {

                    ta.append(">" + tftype.getText() + "\n");

                    if (iamserver)
                        server.dataout(tftype.getText());
                    else
                        client.dataout(tftype.getText());

                    tftype.setText("");
                }
            }

            public void keyTyped(KeyEvent e) {
            }

            public void keyReleased(KeyEvent e) {
            }
        }
    }