frame1.java

Java灵感编程1-101之61-80

package untitled1;

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) 2002</p>
 * <p>Company: </p>
 * @author unascribed
 * @version 1.0
 */

public class Frame1 extends JFrame {
  JPanel contentPane;
  JTextField jTextField1 = new JTextField();
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JLabel jLabel4 = new JLabel();
  JButton jButton1 = new JButton();
  URL myurl=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();
    jTextField1.setToolTipText("");
    jTextField1.setText("http://cs.hust.edu.cn:80/architecture.html");
    jTextField1.setBounds(new Rectangle(58, 29, 260, 24));
    contentPane.setLayout(null);
    this.setSize(new Dimension(400, 300));
    this.setTitle("Frame Title");
    jLabel1.setText("jLabel1");
    jLabel1.setBounds(new Rectangle(60, 66, 219, 23));
    jLabel2.setText("jLabel2");
    jLabel2.setBounds(new Rectangle(58, 92, 222, 29));
    jLabel3.setText("jLabel3");
    jLabel3.setBounds(new Rectangle(57, 127, 237, 31));
    jLabel4.setText("jLabel4");
    jLabel4.setBounds(new Rectangle(60, 162, 247, 24));
    jButton1.setBounds(new Rectangle(111, 200, 151, 40));
    jButton1.setToolTipText("");
    jButton1.setText("查询URL信息");
    jButton1.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jButton1_actionPerformed(e);
      }
    });
    contentPane.add(jTextField1, null);
    contentPane.add(jLabel1, null);
    contentPane.add(jLabel2, null);
    contentPane.add(jLabel3, null);
    contentPane.add(jLabel4, null);
    contentPane.add(jButton1, null);
  }
  //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
  {
  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的文件名为:"+myurl.getFile());
  jLabel4.setText("您输入的URL连接的端口为:"+myurl.getPort());
  }
  catch(MalformedURLException me){
  System.out.println("MalformedURLException:"+me);
  }
}
}