代碼如下:

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應用程序中調(diào)用，實現(xiàn)屏幕的"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

* @version 1.0

*****************************************************/

public class Test

{

private String fileName; //文件的前綴

private String defaultName = "GuiCamera";

static int serialNum=0;

private String imageFormat; //圖像文件的格式

private String defaultImageFormat="png";

Dimension d = Toolkit.getDefaultToolkit().getScreenSize();

/****************************************************************

* 默認的文件前綴為GuiCamera，文件格式為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(gòu)造支持JPG和PNG文件的存儲

****************************************************************/

public Test(String s,String format) {

fileName = s;

imageFormat=format;

}

/****************************************************************

* 對屏幕進行拍照

* snapShot the Gui once

****************************************************************/

public void snapShot() {

try {

//拷貝屏幕到一個BufferedImage對象screenshot

BufferedImage screenshot = (new Robot()).createScreenCapture(new

Rectangle(0, 0, (int) d.getWidth(), (int) d.getHeight()));

serialNum++;

//根據(jù)文件前綴變量和文件格式變量，自動生成文件名

String name=fileName+String.valueOf(serialNum)+"."+imageFormat;

File f = new File(name);

System.out.print("Save File "+name);

//將screenshot對象寫入圖像文件

ImageIO.write(screenshot, imageFormat, f);

System.out.print("..Finished!\n");

}

catch (Exception ex) {

System.out.println(ex);

}

}

public static void main(String[] args)

{

Test cam= new Test("d:\\Hello", "png");//

cam.snapShot();

}

}

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