Java画面精美的简易聊天室

这里使用了Jack Jiang大神的BeautyEye库，实现了良好的界面，感谢！

工程下载地址：http://download.csdn.net/download/lly1122334/10153788

服务器

package Server;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.ArrayList;import java.util.Collections;import java.util.List;/** * 服务器线程类，实现Runnable接口 *  * @author XerCis * @version 1.0 */class ServerThread implements Runnable {    private Socket s; //套接字    private BufferedReader br; //字符输入流    /**     * 构造函数     *      * @param s Socket     * @throws IOException      * @since 1.0     */    public ServerThread(Socket s) throws IOException {        this.s = s;        br = new BufferedReader(new InputStreamReader(s.getInputStream()));    }    /**     * 从客户端接收信息     *      * @return 从客户端接收到的信息     * @since 1.0     */    private String readFromClient() {        try {            return br.readLine();        } catch (IOException e) {            Server.socketList.remove(s);        }        return null;    }    /**     * 线程不断从客户端接收信息并转发     *      * @since 1.0     */    public void run() {        String content = null; //从客户端接收信息        while((content = readFromClient()) != null) //不为空的时候转发给所有客户端        {            for(Socket s:Server.socketList) {                try {                    PrintStream ps; //打印流（字节输出流）                    ps = new PrintStream(s.getOutputStream()); //用服务器Socket的OutputStream封装                    ps.println(content);                } catch (IOException e) {                    e.printStackTrace();                }            }        }    }}/** * 服务器类 *  * @author XerCis * @version 1.0 */public class Server {    public static List<Socket> socketList = Collections.synchronizedList(new ArrayList<>());//保存所有Socket，线程安全    /**     * main方法，启动服务器     *      * @author XerCis     * @version 1.0     */    @SuppressWarnings("resource")    public static void main(String[] args) {        try {            ServerSocket serversocket = new ServerSocket(6666);//指定端口为6666            System.out.println("服务器启动");            while(true) {                Socket socket = serversocket.accept();//接受客户端                socketList.add(socket);//添加进客户端List中                new Thread(new ServerThread(socket)).start();//启动服务器线程            }        } catch (IOException e) {            e.printStackTrace();        }    }}

客户端

package Client;import java.awt.event.MouseAdapter;import java.awt.event.MouseEvent;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.PrintStream;import java.net.Socket;import java.net.UnknownHostException;import java.text.SimpleDateFormat;import java.util.Date;import java.util.Random;import javax.swing.ImageIcon;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JPanel;import javax.swing.border.EmptyBorder;import javax.swing.event.DocumentEvent;import javax.swing.event.DocumentListener;import org.jb2011.lnf.beautyeye.BeautyEyeLNFHelper;import java.awt.Color;import java.awt.EventQueue;import javax.swing.JScrollPane;import javax.swing.JTextArea;import javax.swing.UIManager;import javax.swing.JButton;import java.awt.Font;import java.awt.Toolkit;import java.awt.event.KeyAdapter;import java.awt.event.KeyEvent;/** * 客户端界面类 *  * @author XerCis * @version 1.0 */public class ClientFrame extends JFrame {    private JPanel contentPane; //组件容器    private JTextArea input; //发送框    private JTextArea output; //显示框    private String name; //用户名    private PrintStream ps; //输出流    private BufferedReader br;    /**     * 客户端线程类（内部类）     *      * @author XerCis     * @version 1.0     */    class ClientThread implements Runnable {        private Socket s;        BufferedReader br = null;        public ClientThread(Socket s) throws IOException {            this.s = s;            br = new BufferedReader(new InputStreamReader(s.getInputStream()));        }        public void run() {            try {                String content = null;                while((content = br.readLine())!=null) {                    output.append(content+"\n");                }            } catch (IOException e) {                e.printStackTrace();            }        }    }    /**     * 发送信息     *      * @since 1.0     */    private void sendMessage(){        Date now = new Date();        SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss");        String time = sdf.format(now);//当前时间        String message = input.getText();        if(message.isEmpty())            return;        message = name+"("+time+")\n"+message;        ps.println(message);        input.setText("");//发送完清空    }    /**     * 构造函数     *      * @param name 用户名     * @throws IOException      * @throws UnknownHostException     * @since 1.0     */    public ClientFrame() throws UnknownHostException, IOException {        Random rand = new Random();        int randNum = rand.nextInt(17);        name = "用户" + String.valueOf(randNum);        this.setVisible(true);        setTitle(name); //设置窗口名        setResizable(false); //不可放大        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//关闭后退出        setIconImage(Toolkit.getDefaultToolkit().getImage("img\\logo.png")); //设置图标        Socket s = new Socket("127.0.0.1",6666); //获取套接字        new Thread(new ClientThread(s)).start(); //启动客户端线程        ps = new PrintStream(s.getOutputStream());        br = new BufferedReader(new InputStreamReader(System.in));        /* 容器  */        setBounds(100, 100, 599, 629);        contentPane = new JPanel();        contentPane.setBackground(new Color(0, 153, 204));        contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));        setContentPane(contentPane);        contentPane.setLayout(null);        /* 显示框的滚动条 */        JScrollPane scrollPane = new JScrollPane();        scrollPane.setBounds(23, 63, 422, 290);        contentPane.add(scrollPane);        /* 显示框 */        String text = "XerCis\nNorthwest A&F University\nShaanxi,Yangling,712100\nTel:13201405250\nE-mail:[e-mail]\n----------------------------------------\n";        output = new JTextArea(text);        scrollPane.setViewportView(output);//将滚动条附加到显示框中        output.setFont(new Font("微软雅黑", Font.PLAIN, 18));        output.setEditable(false);//不可编辑        output.setLineWrap(true);//自动换行        output.setWrapStyleWord(true);//断行不断字        output.setCaretPosition(output.getText().length());//自动换行且滚动到最新        output.getDocument().addDocumentListener(new DocumentListener(){            public void changedUpdate(DocumentEvent e) {                output.setCaretPosition(output.getText().length());//自动换行且滚动到最新            }            public void insertUpdate(DocumentEvent e) {                output.setCaretPosition(output.getText().length());//自动换行且滚动到最新            }            public void removeUpdate(DocumentEvent e) {                output.setCaretPosition(output.getText().length());//自动换行且滚动到最新            }         });        /* 头像 */        JLabel me = new JLabel("");        me.setIcon(new ImageIcon("img\\head\\"+randNum+".png"));        me.setBounds(450, 385, 100, 100);        contentPane.add(me);        /* 发送按钮 */        JButton send = new JButton("\u53D1\u9001(Enter)");        send.setFont(new Font("微软雅黑", Font.PLAIN, 12));        send.addMouseListener(new MouseAdapter() {            public void mouseClicked(MouseEvent arg0) {                sendMessage();            }        });        send.setBounds(334, 506, 111, 23);        contentPane.add(send);        /* 发送框的滚动条 */        JScrollPane scrollPane_1 = new JScrollPane();        scrollPane_1.setBounds(23, 385, 422, 100);        contentPane.add(scrollPane_1);        /* 发送框 */        input = new JTextArea();        input.addKeyListener(new KeyAdapter() {            public void keyReleased(KeyEvent arg0) {                if(arg0.getKeyCode() == KeyEvent.VK_ENTER) {                    if(input.getText().equals("\n")) {                        input.setText("");                        return;                    }                    sendMessage(); //按回车发送                }            }        });        scrollPane_1.setViewportView(input); //将滚动条附加到发送框中        input.setFont(new Font("微软雅黑", Font.PLAIN, 18));        input.setLineWrap(true);        input.setWrapStyleWord(true);        /* 背景 */        JLabel background = new JLabel("");        background.setBackground(new Color(214, 217, 223));        background.setIcon(new ImageIcon("img\\background.png"));        background.setBounds(0, 0, 550, 550);        contentPane.add(background);    }    /**     * main方法，启动客户端     *      * @since 1.0     */    public static void main(String[] args) throws Exception {        /*设置成BeautyEye风格*/        try {            System.setProperty("sun.java2d.noddraw", "true");//解决切换中文输入法导致白屏            BeautyEyeLNFHelper.frameBorderStyle = BeautyEyeLNFHelper.FrameBorderStyle.translucencyAppleLike;//强立体透明            org.jb2011.lnf.beautyeye.BeautyEyeLNFHelper.launchBeautyEyeLNF();//加载BeautyEye风格，需引入包beautyeye_lnf.jar            UIManager.put("RootPane.setupButtonVisible", false);//隐藏“设置”按钮            String[] DEFAULT_FONT  = new String[]{"Table.font","TableHeader.font","CheckBox.font","Tree.font","Viewport.font","ProgressBar.font","RadioButtonMenuItem.font","ToolBar.font","ColorChooser.font","ToggleButton.font","Panel.font","TextArea.font","Menu.font","TableHeader.font","TextField.font","OptionPane.font","MenuBar.font","Button.font","Label.font","PasswordField.font","ScrollPane.font","MenuItem.font","ToolTip.font","List.font","EditorPane.font","Table.font","TabbedPane.font","RadioButton.font","CheckBoxMenuItem.font","TextPane.font","PopupMenu.font","TitledBorder.font","ComboBox.font"};            for(int i=0;i<DEFAULT_FONT.length;i++)                UIManager.put(DEFAULT_FONT[i],new Font("微软雅黑", Font.PLAIN, 14));//设置默认字体解决组件发虚问题        } catch (Exception e) {            e.printStackTrace();        }        EventQueue.invokeLater(new Runnable() {            public void run() {                try {                    ClientFrame client = new ClientFrame();                    client.setVisible(true);                } catch (Exception e) {                    e.printStackTrace();                }            }        });    }}