【转载】java 实现屏幕的"拍照"
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 (liluqun@263.net) * @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:\", "jpg");// cam.snapShot(); } }