frame1.java

是用java开发的一些程序原代码 是用java开发的一些程序原代码

package ex04_07;

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

public class Frame1 extends JFrame {
  JPanel contentPane;
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();

  /**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();
    jButton1.setText("jButton1");
    jButton1.setBounds(new Rectangle(50, 16, 79, 29));
    jButton1.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jButton1_actionPerformed(e);
      }
    });
    contentPane.setLayout(null);
    this.setSize(new Dimension(400, 300));
    this.setTitle("Frame Title");
    jButton2.setText("jButton2");
    jButton2.setBounds(new Rectangle(141, 16, 79, 29));
    jButton2.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jButton2_actionPerformed(e);
      }
    });
    jLabel1.setText("jLabel1");
    jLabel1.setBounds(new Rectangle(41, 94, 41, 19));
    jLabel2.setText("jLabel2");
    jLabel2.setBounds(new Rectangle(136, 94, 41, 19));
    contentPane.add(jLabel2, null);
    contentPane.add(jLabel1, null);
    contentPane.add(jButton1, null);
    contentPane.add(jButton2, 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) {
  Icon pic = new ImageIcon("C:\\jbsample\\twbts.gif");
jLabel1.setSize(pic.getIconWidth(),pic.getIconHeight());
jLabel1.setIcon(pic);
  }

void jButton2_actionPerformed(ActionEvent e) {
jLabel2.setSize(jLabel1.getSize());
jLabel2.setIcon(jLabel1.getIcon());
  }
}