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 ex10_07;

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

public class Frame1 extends JFrame {
  JPanel contentPane;
  JSlider jSlider1 = new JSlider();
  JLabel jLabel1 = 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();
    contentPane.setLayout(null);
    this.setSize(new Dimension(400, 300));
    this.setTitle("Frame Title");
    jSlider1.setMajorTickSpacing(10);
    jSlider1.setPaintLabels(true);
    jSlider1.setPaintTicks(true);
    jSlider1.setBorder(BorderFactory.createEtchedBorder());
    jSlider1.setVerifyInputWhenFocusTarget(false);
    jSlider1.setBounds(new Rectangle(18, 16, 330, 67));
    jSlider1.addChangeListener(new javax.swing.event.ChangeListener() {
      public void stateChanged(ChangeEvent e) {
        jSlider1_stateChanged(e);
      }
    });
    jLabel1.setText("0");
    jLabel1.setBounds(new Rectangle(87, 99, 49, 28));
    contentPane.add(jSlider1, null);
    contentPane.add(jLabel1, 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 jSlider1_stateChanged(ChangeEvent e) {
int x;
x=jSlider1.getValue();
jLabel1.setText(String.valueOf(x));
  }
}