package demoJSlider;
import java.awt.*;
import javax.swing.*;
import javax.swing.event.*;
public class TestJSlider extends JFrame implements ChangeListener{
JSlider jslh,jslv;
JLabel jl;
double hValue=0.0,vValue=0.0;
public TestJSlider() {
this.setTitle("JSlider");
this.setBounds(300,200,500,500);
Container c=getContentPane();
jslh =new JSlider(JSlider.HORIZONTAL,0,240,0);
jslv =new JSlider(JSlider.VERTICAL,0,1000,0);
jslh.setMajorTickSpacing(30);
jslh.setPaintLabels(true);
jslv.setMajorTickSpacing(200);
jslv.setPaintLabels(true);
c.add(jslh, BorderLayout.SOUTH);
c.add(jslv,BorderLayout.WEST);
jl = new JLabel("横向滚动条指向:0.0; 纵向滚动条指向:0.0");
c.add(jl,BorderLayout.CENTER);
jslh.addChangeListener(this);
jslv.addChangeListener(this);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setVisible(true);
}
@Override
public void stateChanged(ChangeEvent e) {
// TODO Auto-generated method stub
if(e.getSource()==jslh)
hValue=((JSlider)e.getSource()).getValue();
else if(e.getSource()==jslv)
vValue =((JSlider)e.getSource()).getValue();
jl.setText("横向滚动条指向:"+hValue+"; "+"纵向滚动条指向:"+vValue);
}
public static void main(String[] args) {
// TODO Auto-generated method stub
new TestJSlider();
}
}