JSlider练习

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();
	}

}