在windows中按PrintScreen键可以将桌面图形存到剪贴板上，不知道java中能否获得桌面内容？
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google查一下 java 屏幕捕捉
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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;
/*******************************************************************************
* 该JavaBean可以直接在其他Java应用程序中调用，实现屏幕的 "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 ([email]liluqun@263.net[/email])
* @version 1.0
*
******************************************************************************/
public class GuiCamera
{
private String fileName; // 文件的前缀
private String defaultName = "GuiCamera ";
static int serialNum = 0;
private String imageFormat; // 图像文件的格式
private String defaultImageFormat = "png ";
Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
/***************************************************************************
* 默认的文件前缀为GuiCamera，文件格式为PNG格式 The default construct will use the default
* Image file surname "GuiCamera ", and default image format "png "
**************************************************************************/
public GuiCamera()
{
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 "
* 本构造支持JPG和PNG文件的存储
**************************************************************************/
public GuiCamera(String s, String format)
{
fileName = s;
imageFormat = format;
}
/***************************************************************************
* 对屏幕进行拍照 snapShot the Gui once
**************************************************************************/
public void snapShot()
{
try
{
// 拷贝屏幕到一个BufferedImage对象screenshot
BufferedImage screenshot = (new Robot())
.createScreenCapture(new Rectangle(0, 0,
(int) d.getWidth(), (int) d.getHeight()));
serialNum++;
// 根据文件前缀变量和文件格式变量，自动生成文件名
String name = fileName + String.valueOf(serialNum) + ". "
+ imageFormat;
File f = new File(name);
System.out.print( "Save File " + name);
// 将screenshot对象写入图像文件
ImageIO.write(screenshot, imageFormat, f);
System.out.print( "..Finished!\n ");
} catch (Exception ex)
{
System.out.println(ex);
}
}
public static void main(String[] args)
{
GuiCamera cam = new GuiCamera( "d:\\Hello ", "jpg ");//
cam.snapShot();
}
}