java语言编写的聊天系统

import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.io.*; public class Face { private JButton send,sendFile,clear; static JButton connect; JTextArea sendMessage,receiveMessage; public static List lists; private JPanel pane; private int port; private Client client; static JFrame jFrame; private JFileChooser filechoose; private Checkbox box; private JTextField friendName; static Face chat; public Face(){ pane=new JPanel(new BorderLayout()); connect = new JButton("连接"); clear = new JButton("清屏"); send = new JButton("发送信息"); sendFile= new JButton("发送文件"); lists=new List(); box=new Checkbox("私聊"); JLabel Friend=new JLabel("聊天对象"); friendName=new JTextField("所有人",10); sendMessage = new JTextArea("", 6, 33); sendMessage.setLineWrap(true); receiveMessage = new JTextArea("", 13, 30); receiveMessage.setLineWrap(true); receiveMessage.setEditable(false); JScrollPane SendText = new JScrollPane(sendMessage); // 把滚动条和多行文本框绑定 SendText.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED); SendText.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER); JScrollPane ReceiveText = new JScrollPane(receiveMessage);// 把滚动条和多行文本框绑定 ReceiveText.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED); ReceiveText.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER); //JScrollPane li=new JScrollPane(); //li.getViewport().add(lists); send.setEnabled(false); sendFile.setEnabled(false); sendMessage.setEnabled(false); friendName.setEditable(false); clear.setEnabled(false); box.setEnabled(false); lists.setEnabled(false); FlowLayout f=new FlowLayout(); f.setAlignment(FlowLayout.RIGHT); JPanel sendFrame=new JPanel(f); sendFrame.add(send); sendFrame.add(clear); sendFrame.add(sendFile); FlowLayout flow=new FlowLayout(); flow.setAlignment(FlowLayout.LEFT); JPanel connectFrame=new JPanel(flow); connectFrame.add(connect); connectFrame.add(box); connectFrame.add(Friend); connectFrame.add(friendName); JPanel messageFrame=new JPanel(new BorderLayout(10,10)); JLabel jLabel=new JLabel("在 \u0000线\u0000 用\u0000 户",new ImageIcon(getClass().getResource("在线.gif")),JLabel.CENTER); jLabel.setSize(20,40); JPanel listFrame=new JPanel(new BorderLayout(10,10)); listFrame.add(jLabel,BorderLayout.NORTH); listFrame.add(lists,BorderLayout.CENTER); messageFrame.add(ReceiveText,BorderLayout.NORTH); messageFrame.add(SendText,BorderLayout.SOUTH); JPanel centerFrame=new JPanel(new BorderLayout(10,10)); centerFrame.add(messageFrame,BorderLayout.CENTER); centerFrame.add(listFrame,BorderLayout.EAST); JPanel lowFrame=new JPanel(new BorderLayout(10,10)); lowFrame.add(centerFrame,BorderLayout.CENTER); lowFrame.add(sendFrame,BorderLayout.SOUTH); // lowFrame.setBackground(new Color(70,163,255)); pane.add(connectFrame,BorderLayout.NORTH); pane.add(lowFrame,BorderLayout.CENTER); jFrame=new JFrame("我的聊天室"); jFrame.getContentPane().add(pane); jFrame.setBounds(150,100,500,475); //jFrame.pack(); jFrame.setResizable(false); jFrame.setVisible(true); //连接事件 connect.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { connectDialogClass connectDialog=new connectDialogClass(jFrame,"连接服务器"); connectDialog.setVisible(true); client = new Client(connectDialog.getAddress(),connectDialog.getPort(),connectDialog.getId(),chat); client.start(); // chat.receiveMessage.append(connectDialog.getAddress()); connect.setEnabled(false); send.setEnabled(true); sendFile.setEnabled(true); sendMessage.setEnabled(true); lists.setEnabled(true); clear.setEnabled(true); jFrame.setTitle("我的聊天室"+"("+connectDialog.getId()+")"); } } ); clear.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ receiveMessage.setText(""); } }); box.addItemListener(new ItemListener(){ public void itemStateChanged(ItemEvent e){ box.setState(false); box.setEnabled(false); friendName.setText("所有人"); } }); lists.addMouseListener(new MouseAdapter(){ public void mouseClicked(MouseEvent e){ if(e.getClickCount()==2){ String privateChat=((List)e.getSource()).getSelectedItem(); box.setEnabled(true); friendName.setText(privateChat); box.setState(true); } } }); sendMessage.addKeyListener(new TFListener()); send.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ if(sendMessage.getText().equals("")){ emptyError(); } else{ if(!box.getState()){ client.messageSend(sendMessage.getText()); sendMessage.setText(""); }else{ receiveMessage.append("我对"+friendName.getText()+"说(悄悄话):"+sendMessage.getText()+"\n"); client.messageSend("11111"); client.messageSend(friendName.getText()); client.messageSend(sendMessage.getText()); sendMessage.setText(""); } } } } ); jFrame.addWindowListener(new WindowAdapter(){ public void windowClosing(WindowEvent e){ System.exit(0); } }); //发送文件事件 sendFile.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ if(box.getState()){ client.messageSend("11111"); client.messageSend(friendName.getText()); } JFileChooser fileSend=new JFileChooser(); fileSend.showOpenDialog(jFrame); File filename=fileSend.getSelectedFile(); client.sendFile(filename); } }); } //发送消息键监听 private class TFListener implements KeyListener { public void keyPressed(KeyEvent e) { if ((e.getModifiers()==InputEvent.CTRL_MASK)&&(e.getKeyCode()==KeyEvent.VK_ENTER)) { if(sendMessage.getText().equals("")){ emptyError(); }else{ if(!box.getState()){ client.messageSend(sendMessage.getText()); sendMessage.setText(""); }else{ receiveMessage.append("我对"+friendName.getText()+"说(悄悄话):"+sendMessage.getText()+"\n"); client.messageSend("111111"); client.messageSend(friendName.getText()); client.messageSend(sendMessage.getText()); sendMessage.setText(""); } } } } public void keyTyped(KeyEvent e) { } public void keyReleased(KeyEvent e) { } } public void emptyError(){ JOptionPane.showMessageDialog( null,"你发送的消息不能为空","警告对话框",JOptionPane.WARNING_MESSAGE); } public static void main(String[] args){ chat=new Face(); } }