example5_8.java

书中的例题

/* 滑杆和进度指示条 */
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.border.*;
class P extends JPanel {
  JProgressBar pb = new JProgressBar();
  JSlider sb = new JSlider(JSlider.HORIZONTAL, 0, 100, 60);
  public P() {
    setLayout(new GridLayout(2,1));
    add(pb);
    sb.setValue(0);
    sb.setPaintTicks(true);
    sb.setMajorTickSpacing(20);
    sb.setMinorTickSpacing(5);
    sb.setBorder(new TitledBorder("移动滑杆"));
    pb.setModel(sb.getModel()); // Share model
	pb.setStringPainted(true);
	pb.setBackground(Color.white);
    add(sb);
  }
} 

public class Example5_8
{
  public static void main(String args[]) {
    Frame f=new Frame("滑杆和进度指示条");
	f.setSize(300,150);
	f.add(new P());
	f.show();
	f.addWindowListener(new WindowAdapter()
        {public void windowClosing(WindowEvent e)
        {System.exit(0);}});
  }
}