Net_cs_java.rar_CS JA_net cs 开发

package myclient; import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.net.*; import java.io.*; /** * <p>Title: </p> * <p>Description: </p> * <p>Copyright: Copyright (c) 2003</p> * <p>Company: </p> * @author not attributable * @version 1.0 */ public class MyClient extends JFrame { Socket ClientSocket; PrintStream os; DataInputStream is; String s; JPanel contentPane; BorderLayout borderLayout1 = new BorderLayout(); JLabel Mylabel = new JLabel(); JScrollPane jScrollPane1 = new JScrollPane(); JButton MyButton = new JButton(); JTextArea textArea = new JTextArea(); //Construct the frame public MyClient() { enableEvents(AWTEvent.WINDOW_EVENT_MASK); try { jbInit(); connect(); } catch (Exception e) { e.printStackTrace(); } } //Component initialization private void jbInit() throws Exception { contentPane = (JPanel)this.getContentPane(); Mylabel.setEnabled(true); Mylabel.setPreferredSize(new Dimension(132, 16)); Mylabel.setText("欢迎使用本机器提供的信息"); contentPane.setLayout(borderLayout1); this.setSize(new Dimension(400, 300)); this.setTitle("Client Window"); MyButton.setText("发送"); MyButton.addActionListener(new MyClient_MyButton_actionAdapter(this)); contentPane.add(Mylabel, BorderLayout.NORTH); contentPane.add(jScrollPane1, BorderLayout.CENTER); jScrollPane1.getViewport().add(textArea, null); contentPane.add(MyButton, BorderLayout.SOUTH); } //Overridden so we can exit when window is closed protected void processWindowEvent(WindowEvent e) { super.processWindowEvent(e); if (e.getID() == WindowEvent.WINDOW_CLOSING) { try { os.println("Bye"); os.flush(); is.close(); os.close(); ClientSocket.close(); //((Frame)(e.getSource())).dispose(); dispose(); System.exit(0); } catch (Exception ex) {} } } public void connect() { try { ClientSocket = new Socket("127.0.0.1", 8000); os = new PrintStream(new BufferedOutputStream (ClientSocket.getOutputStream())); is = new DataInputStream(new BufferedInputStream (ClientSocket.getInputStream())); s = is.readLine(); textArea.append(s + "\n"); } catch (Exception e) {} } void MyButton_actionPerformed(ActionEvent e) { if (e.getSource() == MyButton) { try { os.print(textArea.getText()); os.flush(); } catch (Exception ex) {} } } } class MyClient_MyButton_actionAdapter implements java.awt.event.ActionListener { MyClient adaptee; MyClient_MyButton_actionAdapter(MyClient adaptee) { this.adaptee = adaptee; } public void actionPerformed(ActionEvent e) { adaptee.MyButton_actionPerformed(e); } }