frame1.java~6~

关于internet的程序源码

package url;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import com.borland.jbcl.layout.*;
import java.net.Inet4Address.*;
import java.net.*;


public class Frame1 extends JFrame {
  JPanel contentPane;
  XYLayout xYLayout1 = new XYLayout();
  JButton jButton1 = new JButton();
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JLabel jLabel4 = new JLabel();
  JTextField jTextField1 = new JTextField();

  //Construct the frame
  public Frame1() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    contentPane = (JPanel) this.getContentPane();
    jButton1.setText("查询URL信息");
    jButton1.addActionListener(new Frame1_jButton1_actionAdapter(this));
    contentPane.setLayout(xYLayout1);
    this.setSize(new Dimension(400, 300));
    this.setTitle("Frame Title");
    jLabel1.setText("jLabel1");
    jLabel2.setText("jLabel2");
    jLabel3.setText("jLabel3");
    jLabel4.setText("jLabel4");
    jTextField1.setText("http://news.sina.com.cn:80/index.html");
    contentPane.add(jLabel3, new XYConstraints(44, 140, 271, 23));
    contentPane.add(jLabel4,  new XYConstraints(46, 166, 299, 22));
    contentPane.add(jLabel1, new XYConstraints(43, 82, 267, 23));
    contentPane.add(jLabel2,  new XYConstraints(43, 109, 281, 33));
    contentPane.add(jButton1, new XYConstraints(91, 214, 203, 24));
    contentPane.add(jTextField1,  new XYConstraints(24, 28, 357, 33));
  }
  //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 jButton1_actionPerformed(ActionEvent e) {
    try{
      URL myurl = new URL(jTextField1.getText());
      jLabel1.setText("您输入的URL 的协议为:"+myurl.getProtocol());
      jLabel2.setText("您输入的URL 的主机为:"+myurl.getHost());
      jLabel3.setText("您输入的URL 的文件名:"+myurl.getFile());
      jLabel4.setText("您输入的URL 连接的端口为:"+myurl.getPort());
    }catch (MalformedURLException ex){
      ex.printStackTrace();
    }
  }
}

class Frame1_jButton1_actionAdapter implements java.awt.event.ActionListener {
  Frame1 adaptee;

  Frame1_jButton1_actionAdapter(Frame1 adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}