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packagecom.credream.ocr;importjava.awt.Dimension;importjava.awt.Rectangle;importjava.awt.Robot;importjava.awt.Toolkit;importjava.awt.image.BufferedImage;importjava.io.File;importjavax.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 isused
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][email protected][/email]) *
@version 1.0 * ******************************************************************************/publicclass
GuiCamera { privateString
fileName; //
文件的前綴 privateString
defaultName = "GuiCamera"; staticint
serialNum = 0; privateString
imageFormat; //
圖像文件的格式 privateString
defaultImageFormat = "jpg"; Dimension
d = Toolkit.getDefaultToolkit().getScreenSize(); /*************************************************************************** *
默認的文件前綴爲GuiCamera，文件格式爲PNG格式 The default constructwill
use the default *
Image file surname "GuiCamera", and default image format "png" **************************************************************************/ publicGuiCamera()
{ 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 **************************************************************************/ publicGuiCamera(String
s, String format) { fileName
= s; imageFormat
= format; } /*************************************************************************** *
對屏幕進行拍照 snapShot the Gui once **************************************************************************/ publicvoid
snapShot() { try{ //
拷貝屏幕到一個BufferedImage對象screenshot BufferedImage
screenshot = (newRobot()) .createScreenCapture(newRectangle(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 = newFile(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); } } publicstatic
void
main(String[] args) { GuiCamera
cam = newGuiCamera("d:\\qq", "bmp");// cam.snapShot(); }} |
第二種方法:
原文地址：Java實現截圖並保存到本地
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packagecom.credream.ocr;importjava.awt.AWTException;importjava.awt.Color;importjava.awt.Dimension;importjava.awt.Graphics;importjava.awt.GraphicsDevice;importjava.awt.GraphicsEnvironment;importjava.awt.Rectangle;importjava.awt.Robot;importjava.awt.Toolkit;importjava.awt.event.KeyAdapter;importjava.awt.event.KeyEvent;importjava.awt.event.MouseAdapter;importjava.awt.event.MouseEvent;importjava.awt.event.MouseMotionAdapter;importjava.awt.image.BufferedImage;importjava.awt.image.RescaleOp;importjava.io.File;importjava.io.IOException;importjava.text.SimpleDateFormat;importjava.util.Date;importjavax.imageio.ImageIO;importjavax.swing.JFrame;importjavax.swing.filechooser.FileSystemView;/** *
java截屏 *
運行後將當前屏幕截取，並最大化顯示。 *
拖拽鼠標，選擇自己需要的部分。 *
按Esc鍵保存圖片到桌面，並退出程序。 *
點擊右上角（沒有可見的按鈕），退出程序，不保存圖片。 * *
@author JinCeon */publicclass
SnapshotTest { publicstatic
void
main(String[] args) { //
全屏運行 RectD
rd = newRectD(); GraphicsDevice
gd = GraphicsEnvironment.getLocalGraphicsEnvironment() .getDefaultScreenDevice(); gd.setFullScreenWindow(rd); }} classRectD extendsJFrame
{ privatestatic
final
long
serialVersionUID = 1L; intorgx,
orgy, endx, endy; Dimension
d = Toolkit.getDefaultToolkit().getScreenSize(); BufferedImage
image; BufferedImage
tempImage; BufferedImage
saveImage; Graphics
g; @Override publicvoid
paint(Graphics g) { RescaleOp
ro = newRescaleOp(0.8f, 0, null); tempImage
= ro.filter(image, null); g.drawImage(tempImage, 0, 0, this); } publicRectD()
{ snapshot(); setVisible(true); //
setSize(d);//最大化窗口 setDefaultCloseOperation(EXIT_ON_CLOSE); this.addMouseListener(newMouseAdapter()
{ publicvoid
mousePressed(MouseEvent e) { orgx
= e.getX(); orgy
= e.getY(); } }); this.addMouseMotionListener(newMouseMotionAdapter()
{ publicvoid
mouseDragged(MouseEvent e) { endx
= e.getX(); endy
= e.getY(); g
= getGraphics(); g.drawImage(tempImage, 0, 0,
RectD.this); intx
= Math.min(orgx, endx); inty
= Math.min(orgy, endy); intwidth
= Math.abs(endx - orgx)+1; intheight
= Math.abs(endy - orgy)+1; //
加上1，防止width或height爲0 g.setColor(Color.BLUE); g.drawRect(x-1,
y-1,
width+1,
height+1); //減1，加1都是爲了防止圖片將矩形框覆蓋掉 saveImage
= image.getSubimage(x, y, width, height); g.drawImage(saveImage,
x, y, RectD.this); } }); this.addKeyListener(newKeyAdapter()
{ @Override publicvoid
keyReleased(KeyEvent e) { //
按Esc鍵退出 if(e.getKeyCode()
== 27)
{ saveToFile(); System.exit(0); } } }); } publicvoid
saveToFile() { SimpleDateFormat
sdf = newSimpleDateFormat("yyyymmddHHmmss"); String
name = sdf.format(newDate()); File
path = FileSystemView.getFileSystemView().getHomeDirectory(); String
format = "jpg"; File
f = newFile(path
+ File.separator + name + "."+
format); try{ ImageIO.write(saveImage,
format, f); } catch(IOException
e) { e.printStackTrace(); } } publicvoid
snapshot() { try{ Robot
robot = newRobot(); Dimension
d = Toolkit.getDefaultToolkit().getScreenSize(); image
= robot.createScreenCapture(newRectangle(0, 0,
d.width, d.height)); } catch(AWTException
e) { e.printStackTrace(); } }} |
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packagecom.credream.robotExp;importjava.awt.AWTException;importjava.awt.Rectangle;importjava.awt.Robot;importjava.awt.image.BufferedImage;importjava.io.File;importjava.io.IOException;importjavax.imageio.ImageIO;publicclass
RobotExp {publicstatic
void
main(String[] args) {try{Robot
robot = newRobot();BufferedImage
bi=robot.createScreenCapture(newRectangle(900,800)); //
根據指定的區域(1300,800)抓取屏幕的指定區域ImageIO.write(bi, "jpg", newFile("D:/imageTest.jpg")); //把抓取到的內容寫入到一個jpg文件中} catch(AWTException
e) {e.printStackTrace();} catch(IOException
e) {e.printStackTrace();}}} |