frame1.java~51~

JBuilder9 精髓 source code1.rar

package ftpclient;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

import sun.net.ftp.*;
import com.borland.jbcl.layout.*;
import java.beans.*;
import java.io.*;
import sun.net.TelnetInputStream;

/**
 * <p>Title: an example</p>
 * <p>Description:an  no</p>
 * <p>Copyright: Copyright (c) 2002</p>
 * <p>Company: home</p>
 * @author liujun
 * @version 1.0
 */

public class Frame1 extends JFrame {
  private JPanel contentPane;
  private TextField textField1 = new TextField();
  private XYLayout xYLayout1 = new XYLayout();
  private Button button1 = new Button();
  private TextField textField2 = new TextField();
  private TextField textField3 = new TextField();
  private Checkbox checkbox1 = new Checkbox();
  private List list1 = new List();
  private TextArea textArea1 = new TextArea();

  FtpClient ftp=null;
  //Construct the frame
  public Frame1() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    //setIconImage(Toolkit.getDefaultToolkit().createImage(Frame1.class.getResource("[Your Icon]")));
    contentPane = (JPanel) this.getContentPane();
    textField1.setText("202.112.116.5");
    contentPane.setLayout(xYLayout1);
    this.setSize(new Dimension(400, 300));
    this.setTitle("Frame Title");
    button1.setLabel("登录");
    button1.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        button1_actionPerformed(e);
      }
    });
    textField2.setText("anonymous");
    textField3.setText("a");
    checkbox1.setLabel("匿名");
    checkbox1.setState(true);
    checkbox1.addPropertyChangeListener(new java.beans.PropertyChangeListener() {
      public void propertyChange(PropertyChangeEvent e) {
        checkbox1_propertyChange(e);
      }
    });
    list1.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseClicked(MouseEvent e) {
        list1_mouseClicked(e);
      }
    });
    contentPane.add(textField1, new XYConstraints(11, 14, 160, -1));
    contentPane.add(button1,    new XYConstraints(125, 47, 58, 21));
    contentPane.add(textField2,  new XYConstraints(15, 50, 80, 18));
    contentPane.add(textField3,  new XYConstraints(14, 79, 80, 19));
    contentPane.add(checkbox1,   new XYConstraints(124, 79, 58, 20));
    contentPane.add(list1,  new XYConstraints(196, 12, 190, 98));
    contentPane.add(textArea1,   new XYConstraints(17, 119, 367, 150));
  }
  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }

  void checkbox1_propertyChange(PropertyChangeEvent e) {
    if(checkbox1.getState()){
      textField1.setText("anonymous");
      textField2.setText("a");
    }
  }

  void button1_actionPerformed(ActionEvent e) {
  StringBuffer buf=new StringBuffer();
  int ch;
  list1.removeAll();
 try {
    if (ftp!=null) ftp.closeServer();
  }
  catch (IOException ex) {
    ex.printStackTrace();
  }
  try {
    ftp= new FtpClient(textField1.getText());
    ftp.login(textField2.getText(),textField3.getText());
    ftp.ascii();
    TelnetInputStream t=ftp.list();
    t.setStickyCRLF(true);
    while((ch=t.read())>=0){
    if(ch=='\n')
      {
      list1.add(buf.toString());
      buf.setLength(0);
      }else{
      buf.append((char)ch);
      }
    }
    t.close();
  }
  catch (IOException ex) {
    ex.printStackTrace();
  }
 }

  void list1_mouseClicked(MouseEvent e) {
   StringBuffer buf=new StringBuffer();
   int ch;
   String dir=list1.getSelectedItem();
   int begin=0;
   int k=dir.length()-1;
   while(dir.charAt(k)==' ') k--;
   for(int i=k;i>1;i--){
     if(dir.charAt(k)==' ') {
       begin=k;
       break;
     }
   }
   textArea1.append("目录： ");
   textArea1.append(dir.substring(begin));
   textArea1.append("\n");
  try {
    ftp.cd(dir.substring(begin));
    TelnetInputStream t=ftp.list();
     while((ch=t.read())>=0)
     buf.append((char)ch);
     t.close();
     textArea1.append(buf.toString());
  }
  catch (IOException ex) {
    ex.printStackTrace();
  }

  }
}