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
* @author liluqun (liluqun@263.net)
* @version 1.0
*
*****************************************************/
public class GuiCamera
{?
??? 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 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"
???? * 本構造支持JPG和PNG文件的存儲
???? ****************************************************************/
??? 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) d.getWidth(), (int) d.getHeight()));
??????? serialNum++;
??????? //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+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)
??? {
??????? GuiCamera cam= new GuiCamera("d:\\Hello", "png");//
??????? cam.snapShot();
??? }
}
?