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;
public class Screenshot {
public void captureScreen(String nameOfScreenshotFile, String formatOfFile, String screenshotPath) throws Exception {
/*Dimension对象能帮助我们轻松地调整图片的高度和宽度 */
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
/*创建一个矩形,这个矩形的尺寸宽高从0坐标到screenSize的宽和高 */
Rectangle screenRectangle = new Rectangle(screenSize);
Robot robot = new Robot();
BufferedImage image = robot.createScreenCapture(screenRectangle);
/*创建的图片将不会包含鼠标光标*/
ImageIO.write(image, formatOfFile, new File(screenshotPath + nameOfScreenshotFile + "." + formatOfFile));
}
public static void main(String args[]) {
Screenshot obj = new Screenshot();
try {
obj.captureScreen("trial", "jpeg", "C://");
} catch (Exception e) {
e.printStackTrace();
}
}
}