JAVA保存图像

import java.io.*;

import java.awt.image.*;

import java.awt.*;

import javax.imageio.*;

import javax.swing.*;

class A{

public static void main(String[] args)

throws Exception{

Image img=new ImageIcon("nh.gif").getImage();

int width = img.getWidth(null);

int height = img.getHeight(null);

BufferedImage bi = new BufferedImage(width,height,BufferedImage.TYPE_INT_RGB);

Graphics g = bi.getGraphics();

g.drawImage(img,0,0,width,height,null);

g.dispose();

File f = new File("myimage.jpg");

ImageIO.write(bi, "jpg", f);

}

}