calendarimage.java

《Java课程设计》第二版

import javax.swing.*;
import java.io.*;
import java.awt.*;
public class CalendarImage extends JPanel{
   File imageFile;
   Image image;
   Toolkit tool;
   CalendarImage(){
       tool=getToolkit();
   }
   public void setImageFile(File f){
       imageFile=f;
       try{ image=tool.getImage(imageFile.toURI().toURL()); 
       }
       catch(Exception exp){} 
       repaint(); 
   }
   public void paintComponent(Graphics g){
      super.paintComponent(g);  
      int w=getBounds().width;
      int h=getBounds().height;
      g.drawImage(image,0,0,w,h,this);
   } 
}