java截屏程式

import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;
import java.io.File;

import javax.imageio.ImageIO;

/*******************************************************************
 * 該JavaBean可以直接在其他Java應用程式中調用，實現螢幕的"拍照"
 * This JavaBean is used to snapshot the GUI in a
 * Java application! You can embeded
 * it in to your java application source code, and us
 * it to snapshot the right GUI of the application
 * @see javax.ImageIO
 * @author liluqun ([email]liluqun@263.net[/email])
 * @version 1.0
 * http://community.csdn.net/Expert/topic/4844/4844995.xml?temp=.2917292
 *****************************************************/

public class Test
{
 private String fileName; //檔案的首碼
 private String defaultName = "GuiCamera";
 static int serialNum=0;
 private String imageFormat; //影像檔的格式
 private String defaultImageFormat="png";
 Dimension d = Toolkit.getDefaultToolkit().getScreenSize();

 /****************************************************************
 * 預設的檔案首碼為GuiCamera，檔案格式為PNG格式
 * The default construct will use the default
 * Image file surname "GuiCamera",
 * and default image format "png"
 ****************************************************************/
 public Test() {
 fileName = defaultName;
 imageFormat=defaultImageFormat;

 }

 /****************************************************************
 * @param s the surname of the snapshot file
 * @param format the format of the image file,
 * it can be "jpg" or "png"
 * 本構造支援JPG和PNG檔案的儲存
 ****************************************************************/
 public Test(String s,String format) {

 fileName = s;
 imageFormat=format;
 }

 /****************************************************************
 * 對螢幕進行拍照
 * snapShot the Gui once
 ****************************************************************/
 public void snapShot() {

 try {
 //拷貝螢幕到一個BufferedImage對象screenshot
 BufferedImage screenshot = (new Robot()).createScreenCapture(new
// Rectangle(0, 0, (int) d.getWidth(), (int) d.getHeight()));
 Rectangle(200, 330, 520, 400));
 serialNum++;
 //根據檔案首碼變數和檔案格式變數，自動組建檔案名
 String name=fileName+String.valueOf(serialNum)+"."+imageFormat;
 File f = new File(name);
 System.out.print("Save File "+name);
 //將screenshot對象寫入影像檔
 ImageIO.write(screenshot, imageFormat, f);
 System.out.print("..Finished!/n");
 }
 catch (Exception ex) {
 System.out.println(ex);
 }
 }

 
 public String cut(){
  Test cam= new Test("d://Hello", "png");
  cam.snapShot();
  return "success";
 }
 
 
 
 public static void main(String[] args)
 {
 Test cam= new Test("d://Hello", "png");//

 cam.snapShot();
 }
}