第十五天 簡單聊天

原創 yj13073702570 2020-02-23 13:13

服務器與單客戶端聊天

package com.java.test1;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import com.java.test.MyServerRead;
import javax.swing.DefaultListModel;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.ArrayList;
import java.awt.event.ActionEvent;
import javax.swing.JTextArea;
import javax.swing.JList;
public class Server extends JFrame {
    private JPanel contentPane;
    private JTextArea textArea;
    private JList list;
    private DefaultListModel<String> model;
    private ArrayList<Socket> sockets;
    public boolean isRunning=true;
    private JButton button;
    public boolean isRunning() {
        return isRunning;
    }
    public void setRunning(boolean isRunning) {
        this.isRunning = isRunning;
    }

    /**
     * Launch the application.
     */
    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {
            public void run() {
                try {
                    Server frame = new Server();
                    frame.setVisible(true);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });
    }

    /**
     * Create the frame.
     */
    public Server() {
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setBounds(100, 100, 450, 300);
        contentPane = new JPanel();
        contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
        setContentPane(contentPane);
        contentPane.setLayout(null);

        JButton btnNewButton = new JButton("發送");
        btnNewButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                model.addElement(textArea.getText());
                write();
            }
        });
        btnNewButton.setBounds(283, 189, 127, 52);
        contentPane.add(btnNewButton);

        textArea = new JTextArea();
        textArea.setBounds(10, 189, 250, 52);
        contentPane.add(textArea);

        button = new JButton("啓動服務器");
        button.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                isRunning=true;
                new Thread(new Runnable(){
                    public void run(){
                        try {
                            ServerSocket server = new ServerSocket(8080);
                            System.out.println("服務器啓動");
                            sockets=new ArrayList<>();
                            while(isRunning){
                                Socket socket = server.accept();
                                sockets.add(socket);
                                Thread t=new Thread(new ServerRead(Server.this,socket));
                                t.start();
                                System.out.println("有客戶端連接");
                            }
                        } catch (IOException e1) {
                            e1.printStackTrace();
                        }
                    }
                }).start();
            }
        });
        button.setBounds(283, 32, 127, 33);
        contentPane.add(button);

        list = new JList();
        model=new DefaultListModel<>();
        list.setModel(model);
        list.setBounds(10, 10, 250, 162);
        contentPane.add(list);
    }
    public void read(Socket socket) {
        if(socket.isConnected()){
            try {
                InputStream is = socket.getInputStream();
                BufferedReader br = new BufferedReader(new InputStreamReader(is));
                String line = br.readLine();
                model.addElement(socket.getInetAddress().getHostAddress()+":  "+line);
                System.out.println("服務器接收到的消息："+line);
            } catch (IOException e) {
                e.printStackTrace();
            }
        }else{
            sockets.remove(socket);
        }
    }
    public void write(){
        try {
            for(Socket socket:sockets){
                OutputStream os=socket.getOutputStream();
                BufferedWriter bw=new BufferedWriter(new OutputStreamWriter(os));
                String words=textArea.getText();
                System.out.println("服務器發送信息");
                bw.write("服務器說：  "+words+"\n");
                bw.flush();
            }
            textArea.setText("");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}
package com.java.test1;
import java.awt.EventQueue;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.Socket;
import java.net.UnknownHostException;
import javax.swing.DefaultListModel;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JTextArea;
import javax.swing.JList;
public class Client extends JFrame {
    private JPanel contentPane;
    private Socket socket;
    private JTextArea textArea;
    private JList list;
    DefaultListModel<String> model;
    /**
     * Launch the application.
     */
    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {
            public void run() {
                try {
                    Client frame = new Client();
                    frame.setVisible(true);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });
    }

    /**
     * Create the frame.
     */
    public Client() {
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setBounds(100, 100, 450, 300);
        contentPane = new JPanel();
        contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
        setContentPane(contentPane);
        contentPane.setLayout(null);

        JButton btnNewButton = new JButton("發送");
        btnNewButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                write();
            }
        });
        btnNewButton.setBounds(305, 200, 99, 36);
        contentPane.add(btnNewButton);

        JButton btnNewButton_1 = new JButton("連接服務器");
        btnNewButton_1.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {    
                try {
                    System.out.println("連接服務器");
                    socket =new Socket("192.168.0.85",8080);
                    System.out.println("服務器連接成功");
                    Thread t=new Thread(new ClientRead(Client.this));
                    t.start();
                } catch (UnknownHostException e1) {
                    e1.printStackTrace();
                } catch (IOException e1) {
                    e1.printStackTrace();
                }           
            }
        });
        btnNewButton_1.setBounds(264, 68, 160, 60);
        contentPane.add(btnNewButton_1);
        textArea = new JTextArea();
        textArea.setBounds(10, 207, 228, 45);
        contentPane.add(textArea);
        list = new JList();
        list.setBounds(10, 22, 228, 173);
        model=new DefaultListModel<>();
        list.setModel(model);
        contentPane.add(list);
    }
    public void read() {
        try {
            InputStream is = socket.getInputStream();
            BufferedReader br = new BufferedReader(new InputStreamReader(is));
            String line = br.readLine();
            model.addElement(line);
            System.out.println(line);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    public void write(){
        try {
            OutputStream os=socket.getOutputStream();
            BufferedWriter bw=new BufferedWriter(new OutputStreamWriter(os));
            String words=textArea.getText();
            bw.write(words+"\n");
            model.addElement("客戶端說:   "+words);
            textArea.setText("");
            bw.flush();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}
package com.java.test1;
public class ClientRead implements Runnable {
    private Client client;
    public ClientRead(Client client){
        this.client=client;
    }
    @Override
    public void run() {
        while(true){
            client.read();
        }
    }
}
package com.java.test1;
import java.net.Socket;
public class ServerRead implements Runnable{
    private Server server;
    private Socket socket;
    public ServerRead(Server server,Socket socket){
        this.server=server;
        this.socket=socket;
    } 
    @Override
    public void run() {
        while(server.isRunning){
            server.read(socket);
        }
    }
}

這裏寫圖片描述

一客戶端通過服務器與指定客戶端聊天

package com.java.test;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import com.java.test.MyServerRead;
import net.sf.json.JSONObject;
import javax.swing.DefaultListModel;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Set;
import java.awt.event.ActionEvent;
import javax.swing.JTextArea;
import javax.swing.JList;
public class StartServer extends JFrame {
    private JPanel contentPane;
    private JTextArea textArea;
    private JList list;
    private DefaultListModel<String> model;
    private HashMap<String,Socket> sockets;
    private Socket socket;
    public boolean isRunning=true;
    private JButton button;
    public boolean isRunning() {
        return isRunning;
    }
    public void setRunning(boolean isRunning) {
        this.isRunning = isRunning;
    }

    /**
     * Launch the application.
     */
    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {
            public void run() {
                try {
                    StartServer frame = new StartServer();
                    frame.setVisible(true);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });
    }

    /**
     * Create the frame.
     */
    public StartServer() {
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setBounds(100, 100, 450, 300);
        contentPane = new JPanel();
        contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
        setContentPane(contentPane);
        contentPane.setLayout(null);

        JButton btnNewButton = new JButton("發送");
        btnNewButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                model.addElement(textArea.getText());
            }
        });
        btnNewButton.setBounds(283, 189, 127, 52);
        contentPane.add(btnNewButton);

        textArea = new JTextArea();
        textArea.setBounds(10, 189, 250, 52);
        contentPane.add(textArea);

        button = new JButton("啓動服務器");
        button.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                isRunning=true;
                new Thread(new Runnable(){
                    public void run(){
                        try {
                            ServerSocket server = new ServerSocket(8080);
                            sockets=new HashMap<>();
                            System.out.println("服務器啓動");
                            while(isRunning){
                                socket = server.accept();
                                sockets.put(socket.getInetAddress().getHostAddress(),socket);
                                Thread t=new Thread(new MyServerRead(StartServer.this,socket));
                                t.start();
                                System.out.println("有客戶端連接");
                            }
                        } catch (IOException e1) {
                            e1.printStackTrace();
                        }
                    }
                }).start();
            }
        });
        button.setBounds(283, 32, 127, 33);
        contentPane.add(button);

        list = new JList();
        model=new DefaultListModel<>();
        list.setModel(model);
        list.setBounds(10, 10, 250, 162);
        contentPane.add(list);
    }
    public void readLine(String line){
        JSONObject obj=JSONObject.fromObject(line);
        String type=obj.getString("type");
        if(type.equals(("toSingle"))){
            String time=obj.getString("time");
            String to=obj.getString("to");
            String from=obj.getString("from");
            String msg=obj.getString("message");
            Socket toSocket=sockets.get(to);
            System.out.println(toSocket.getInetAddress().getHostAddress());
            try {
                OutputStream os = toSocket.getOutputStream();
                BufferedWriter bw=new BufferedWriter(new OutputStreamWriter(os));
                bw.write(msg+"\n");
                bw.flush();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        model.addElement(line);
    }
    public void read(Socket socket) {
        if(socket.isConnected()){
            try {
                InputStream is = socket.getInputStream();
                BufferedReader br = new BufferedReader(new InputStreamReader(is));
                String line = br.readLine();
                model.addElement(socket.getInetAddress().getHostAddress()+":  "+line);
                System.out.println("服務器接收到的消息："+line);
            } catch (IOException e) {
                e.printStackTrace();
            }
        }else{
            sockets.remove(socket);
        }
    }
    public void write(String msg){
        try {
            Set<String> keys=sockets.keySet();
            Iterator<String> it=keys.iterator();
            while(it.hasNext()){
                socket=sockets.get(it.next());
                OutputStream os=socket.getOutputStream();
                BufferedWriter bw=new BufferedWriter(new OutputStreamWriter(os));
                System.out.println("服務器發送信息");
                bw.write(msg+"\n");
                bw.flush();
            }
            textArea.setText("");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

package com.java.test;
import java.awt.EventQueue;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Date;
import javax.swing.DefaultListModel;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import net.sf.json.JSONObject;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JTextArea;
import javax.swing.JList;
import javax.swing.JTextField;
public class MyClient extends JFrame {
    private JPanel contentPane;
    private Socket socket;
    private JTextArea textArea;
    private JList list;
    DefaultListModel<String> model;
    private JTextField textField;
    private JTextField textField_1;
    /**
     * Launch the application.
     */
    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {
            public void run() {
                try {
                    MyClient frame = new MyClient();
                    frame.setVisible(true);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });
    }

    /**
     * Create the frame.
     */
    public MyClient() {
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setBounds(100, 100, 450, 300);
        contentPane = new JPanel();
        contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
        setContentPane(contentPane);
        contentPane.setLayout(null);
        JButton btnNewButton = new JButton("發送");
        btnNewButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                String msg=creatJSON();
                write(msg);
            }
        });
        btnNewButton.setBounds(305, 200, 99, 36);
        contentPane.add(btnNewButton);

        JButton btnNewButton_1 = new JButton("連接服務器");
        btnNewButton_1.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                try {
                    System.out.println("連接服務器");
                    socket =new Socket("192.168.0.85",8080);
                    System.out.println("服務器連接成功");
                    Thread t=new Thread(new MyClientRead(MyClient.this));
                    t.start();
                } catch (UnknownHostException e1) {
                    e1.printStackTrace();
                } catch (IOException e1) {
                    e1.printStackTrace();
                }

            }
        });
        btnNewButton_1.setBounds(264, 68, 160, 60);
        contentPane.add(btnNewButton_1);

        textArea = new JTextArea();
        textArea.setBounds(10, 207, 228, 45);
        contentPane.add(textArea);

        list = new JList();
        list.setBounds(10, 22, 228, 173);
        model=new DefaultListModel<>();
        list.setModel(model);
        contentPane.add(list);

        textField_1 = new JTextField();
        textField_1.setBounds(248, 138, 176, 36);
        contentPane.add(textField_1);
        textField_1.setColumns(10);

    }
    public String creatJSON(){
        String msg=textArea.getText();
        JSONObject obj=new JSONObject();
        obj.put("type", "toSingle");
        obj.put("message",msg);
        Date date=new Date();
        obj.put("time", date.getTime());
        obj.put("from", socket.getInetAddress().getHostAddress());
        obj.put("to", "192.168.0.85");
        System.out.println(obj.toString());
        return obj.toString() ;
    }
    public void read() {
        try {
            InputStream is = socket.getInputStream();
            BufferedReader br = new BufferedReader(new InputStreamReader(is));
            String line = br.readLine();
            model.addElement(line);
            System.out.println(line);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public void write(String msg){
        try {
            OutputStream os=socket.getOutputStream();
            BufferedWriter bw=new BufferedWriter(new OutputStreamWriter(os));
            bw.write(msg+"\n");
            model.addElement("客戶端說:   "+msg);
            textArea.setText("");
            bw.flush();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

package com.java.test;
public class MyClientRead implements Runnable {
        private MyClient client;
        public MyClientRead(MyClient client){
            this.client=client;
        }
        @Override
        public void run() {
            while(true){
                client.read();
            }
        }
    }
package com.java.test;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.Socket;
public class MyServerRead implements Runnable{
    private StartServer startServer;
    private Socket socket;
    public MyServerRead(StartServer startServer,Socket socket){
        this.startServer=startServer;
        this.socket=socket;
    } 
    @Override
    public void run() {
        try {
            InputStream  is = socket.getInputStream();
            BufferedReader br=new BufferedReader(new InputStreamReader(is));
            while(true){
                String line=br.readLine();
                startServer.readLine(line);
                System.out.println();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

這裏寫圖片描述

發表評論
所有評論
還沒有人評論，想成為第一個評論的人麼? 請在上方評論欄輸入並且點擊發布.
相關文章