日期:2014-05-20  浏览次数:20721 次

如何获得windows整个桌面内容
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?

------解决方案--------------------
google查一下 java 屏幕捕捉
------解决方案--------------------
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();
}
}