java中图片下载 java图片保存

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); 

    } 

}