textandpicbutton.java

这是一个关于电表的收费器的代码程序

package edu.njust.cs;
import javax.swing.*;
import java.net.*;
public class TextAndPicButton extends JButton{      
	   public TextAndPicButton(String filename,String text){
			 setHorizontalTextPosition(SwingConstants.CENTER);
	         setVerticalTextPosition(SwingConstants.BOTTOM);
	         setText(text);
			 ImageIcon icon=new ImageIcon(filename); 
			 if(icon!=null) setIcon(icon);
	   }
}