Java定期自動截屏的代碼

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 java.util.Timer;
import java.util.TimerTask;
import javax.imageio.ImageIO;
/***

該JavaBean可以直接在其他Java應用程序中調用，實現屏幕的"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
@version 1.0

**/
public class GuiCamera extends TimerTask {
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 dimension = 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 GuiCamera() {
fileName = defaultName;
imageFormat = defaultImageFormat;

}
/**

本構造支持JPG和PNG文件的存儲
@param s the surname of the snapshot file
@param format the format of the  image file,
it can be "jpg" or "png"
**/
public GuiCamera(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) dimension

.getWidth(), (int) dimension.getHeight()));


// 根據文件前綴變量和文件格式變量，自動生成文件名
String name = fileName + "." + 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 void run() {
snapShot();
}
public static void main(String[] args) {
Timer timer = new Timer();
int fileNumber = 0;
timer.schedule(new GuiCamera("C://11//Hello" + ++fileNumber, "png"), 0,
 10000);
}
} 
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