Java捕捉系統螢幕

簡單的捕捉螢幕程式，可以對系統進行截屏。分享給大家。

package com.shine.framework.ScreenDump;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;/** * 截屏程式 *  * @author viruscodecn@gmail.com *  */public class ScreenDumpHelper {private static String defaultImageFormat = "jpg";/** * 截屏 *  * @param fileName * @param format * @param x * @param y * @param width * @param height * @throws Exception */public static void snapShot(String fileName, String format, int x, int y,int width, int height) throws Exception {Dimension d = null;try {d = Toolkit.getDefaultToolkit().getScreenSize();// 拷貝螢幕到一個BufferedImage對象screenshotBufferedImage screenshot = (new Robot()).createScreenCapture(new Rectangle(x, y, width, height));// 根據檔案首碼變數和檔案格式變數，自動組建檔案名File f = new File(fileName);System.out.print("Save File " + fileName);// 將screenshot對象寫入影像檔ImageIO.write(screenshot, format, f);System.out.print("..Finished!\n");} catch (Exception ex) {throw ex;} finally {if (d != null)d = null;}}/** * 截屏 *  * @param fileName * @param format * @throws Exception */public static void snapShot(String fileName, String format)throws Exception {Dimension d = null;try {d = Toolkit.getDefaultToolkit().getScreenSize();snapShot(fileName, format, 0, 0, d.width, d.height);} catch (Exception ex) {throw ex;} finally {if (d != null)d = null;}}/** * 截屏 *  * @param fileName * @throws Exception */public static void snapShot(String fileName) throws Exception {Dimension d = null;try {d = Toolkit.getDefaultToolkit().getScreenSize();snapShot(fileName, defaultImageFormat, 0, 0, d.width, d.height);} catch (Exception ex) {throw ex;} finally {if (d != null)d = null;}}public static void main(String[] a) throws Exception {//截取當前螢幕ScreenDumpHelper.snapShot("e:\\123.jpg");}}