JAVA获取图片大小和尺寸

import java.awt.image.bufferedimage;

import java.io.file;

import java.io.fileinputstream;

import java.io.filenotfoundexception;

import java.io.ioexception;

import javax.imageio.imageio;

public class calpit {

 public static void main(string[] args) throws filenotfoundexception, ioexception {

  file picture = new file("c:/users/administrator/pictures/我的图片/neusoft.png");

  bufferedimage sourceimg =imageio.read(new fileinputstream(picture));

  system.out.println(string.format("%.1f",picture.length()/1024.0));

  system.out.println(sourceimg.getwidth());

  system.out.println(sourceimg.getheight());

 }

}