javaswing聊天

package chatroom; import java.awt.*; import javax.swing.*; import java.awt.event.*; import java.net.*; import java.io.*; import javax.swing.border.*; import java.util.*; public class ServerControl extends JFrame { JPanel contentPane; JButton btnStart = new JButton(); JLabel lblState = new JLabel(); TitledBorder titledBorder1 = new TitledBorder(""); JScrollPane srpList = new JScrollPane(); DefaultListModel dlmUsers = new DefaultListModel(); JList lstUsers = new JList(dlmUsers); JScrollPane srpChatMessage = new JScrollPane(); DefaultListModel dlmChat = new DefaultListModel(); JList lstChat = new JList(dlmChat); ServerSocket ss; //端口号8080 public static int PORT = 9000; public boolean flag = true; JTextField txtMsg = new JTextField(); JComboBox cmbType = new JComboBox(); JButton btnSend = new JButton(); JButton btnKick = new JButton(); JButton btnSave = new JButton(); JButton btnClear = new JButton(); public ServerControl() { try { setDefaultCloseOperation(EXIT_ON_CLOSE); jbInit(); } catch (Exception exception) { exception.printStackTrace(); } } /** * Component initialization. * * @throws java.lang.Exception */ private void jbInit() throws Exception { lstChat.setFont(new java.awt.Font("Dialog", Font.PLAIN, 12)); lstChat.setAutoscrolls(true); this.srpChatMessage.setAutoscrolls(true); contentPane = (JPanel) getContentPane(); contentPane.setLayout(null); setSize(new Dimension(395, 500)); setResizable(false); setTitle("服务器端"); btnStart.setBounds(new Rectangle(19, 16, 103, 27)); btnStart.setFont(new java.awt.Font("Dialog", Font.PLAIN, 12)); btnStart.setText("启动服务器"); btnStart.addActionListener(new ServerControl_btnStart_actionAdapter(this)); lblState.setFont(new java.awt.Font("Dialog", Font.PLAIN, 12)); lblState.setForeground(Color.red); Border border = BorderFactory.createEtchedBorder(Color.white, new Color(170, 170, 170)); lblState.setBorder(new TitledBorder(border, "服务器状态", TitledBorder.ABOVE_TOP, TitledBorder.CENTER, new Font("Dialog", Font.PLAIN, 12))); lblState.setHorizontalAlignment(SwingConstants.CENTER); lblState.setText("关闭"); lblState.setBounds(new Rectangle(142, 8, 230, 34)); srpList.setFont(new java.awt.Font("Dialog", Font.PLAIN, 12)); srpList.setBorder(new TitledBorder(border, "用户列表", TitledBorder.ABOVE_TOP, TitledBorder.CENTER, new Font("Dialog", Font.PLAIN, 12))); srpList.setBounds(new Rectangle(23, 62, 96, 287)); srpChatMessage.setFont(new java.awt.Font("Dialog", Font.PLAIN, 12)); srpChatMessage.setBorder(new TitledBorder(border, "聊天记录", TitledBorder.ABOVE_TOP, TitledBorder.CENTER, new Font("Dialog", Font.PLAIN, 12))); srpChatMessage.setBounds(new Rectangle(140, 62, 235, 284)); txtMsg.setFont(new java.awt.Font("Dialog", Font.PLAIN, 12)); txtMsg.setText(""); txtMsg.setBounds(new Rectangle(27, 390, 218, 27)); cmbType.addItem("群聊"); cmbType.addItem("私聊"); cmbType.setFont(new java.awt.Font("Dialog", Font.PLAIN, 12)); cmbType.setBounds(new Rectangle(264, 390, 106, 27)); cmbType.setBorder(new LineBorder(Color.GRAY)); btnSend.setBounds(new Rectangle(263, 426, 110, 21)); btnSend.setFont(new java.awt.Font("Dialog", Font.PLAIN, 12)); btnSend.setText("发送消息"); btnSend.addActionListener(new ServerControl_btnSend_actionAdapter(this)); btnKick.setBounds(new Rectangle(28, 357, 78, 21)); btnKick.setFont(new java.awt.Font("Dialog", Font.PLAIN, 12)); btnKick.setText("踢人"); btnKick.addActionListener(new ServerControl_btnKick_actionAdapter(this)); btnSave.setBounds(new Rectangle(118, 357, 119, 21)); btnSave.setFont(new java.awt.Font("Dialog", Font.PLAIN, 12)); btnSave.setText("保存聊天记录"); btnSave.addActionListener(new ServerControl_btnSave_actionAdapter(this)); btnClear.setBounds(new Rectangle(251, 357, 119, 21)); btnClear.setFont(new java.awt.Font("Dialog", Font.PLAIN, 12)); btnClear.setText("清除聊天信息"); btnClear.addActionListener(new ServerControl_btnClear_actionAdapter(this)); lstUsers.setFont(new java.awt.Font("Dialog", Font.PLAIN, 12)); contentPane.add(btnStart); contentPane.add(srpList); contentPane.add(srpChatMessage); contentPane.add(lblState); contentPane.add(btnKick); contentPane.add(btnSave); contentPane.add(btnClear); contentPane.add(cmbType); contentPane.add(txtMsg); contentPane.add(btnSend); srpChatMessage.getViewport().add(lstChat); srpList.getViewport().add(lstUsers); lstUsers.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); } //启动按钮 public void btnStart_actionPerformed(ActionEvent e) { String text = btnStart.getText(); if (text.equals("启动服务器")) { startServer(); } else { stopServer(); } } //启动服务器 public void startServer() { try { flag=true; ss = new ServerSocket(PORT); lblState.setText("服务器已经启动，在侦听" + PORT + "端口"); btnStart.setText("关闭服务器"); new ListenerThread().start(); } catch (IOException ex) { JOptionPane.showMessageDialog(null, "服务器启动失败！"); } } //关闭服务器 public void stopServer() { flag = false; lblState.setText("服务器已经关闭"); btnStart.setText("启动服务器"); try { DefaultListModel dlm=(DefaultListModel)lstUsers.getModel(); //采用枚举集合 Enumeration emu=dlm.elements(); while(emu.hasMoreElements()) { ((ClientBean)emu.nextElement()).getS().close(); } dlm.clear(); ss.close(); } catch (Exception ex) { JOptionPane.showMessageDialog(null, "关闭服务器产生错误！"); } } //踢人功能 public void btnKick_actionPerformed(ActionEvent e) { Object obj = lstUsers.getSelectedValue(); if (obj != null) { ClientBean cb = (ClientBean) obj; ((DefaultListModel) lstUsers.getModel()).removeElement(cb); try { cb.getS().close(); } catch (Exception ex) { ex.printStackTrace(); } finally { String msg = "管理员将【" + cb.getClientName() + "】赶出了聊天室"; sendAll(msg); sendList(); } } else { JOptionPane.showMessageDialog(null, "请从用户列表中选择您要踢出的人！"); } } //保存聊天日志 public void btnSave_actionPerformed(ActionEvent e) { JFileChooser jfc = new JFileChooser(); jfc.setAcceptAllFileFilterUsed(false); jfc.setFileFilter(new MyFileFilter()); int choice = jfc.showSaveDialog(this); if (choice == jfc.APPROVE_OPTION) { File destnatio