java截屏

import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.FileOutputStream;
import java.io.IOException;import javax.imageio.ImageIO;
import javax.swing.filechooser.FileSystemView;/*** @author ycs*/
public class ScreenCamera {/*** 桌面路径*/public static final String DESKTOP_PATH =FileSystemView.getFileSystemView().getHomeDirectory().getAbsolutePath();/*** 文件名*/public static String FILENAME = "screen";/*** 编号*/public static int SERIAL_NUM = 0;/*** 图像文件的格式*/public static final String FORMAT = "jpg";/*** 屏幕尺寸*/public static Dimension dimension = Toolkit.getDefaultToolkit().getScreenSize();/*** 截屏**/public static void snapshot() {try {// 拷贝屏幕到缓存区BufferedImage screenshot = new Robot().createScreenCapture(new Rectangle(0, 0, (int) dimension.getWidth(), (int) dimension.getHeight()));SERIAL_NUM++;// 生成路径 + 文件名String pathName = DESKTOP_PATH + "/" + FILENAME + SERIAL_NUM + "." + FORMAT;// 将screenshot图像写入文件ImageIO.write(screenshot, FORMAT, new FileOutputStream(pathName));System.out.println("Finish, Save File - " + pathName);} catch (Exception e) {throw new RuntimeException("截屏失败！\n" + e);}}/*** 执行程序*/public static void exec() {try {Runtime.getRuntime().exec("C:\\Windows\\system32\\calc.exe");} catch (IOException e) {throw new RuntimeException("执行程序失败！\n" + e);}}public static void main(String[] args) throws InterruptedException {// 测试exec();Thread.sleep(1000);snapshot();}
}

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