RobotTest.java

package TEST;

import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.swing.*;

import com.gargoylesoftware.htmlunit.html.BaseFrame;
import com.gargoylesoftware.htmlunit.xml.*;

public class RobotTest2
{
public void main(String[] args)
{
   // make frame. with a button panel

   ButtonFrame. frame. = new ButtonFrame();//error display,why?
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setVisible(true);

   // attach a robot to the screen device

   GraphicsEnvironment environment = GraphicsEnvironment.getLocalGraphicsEnvironment();
   GraphicsDevice screen = environment.getDefaultScreenDevice();
  
   try
   {
      Robot robot = new Robot(screen);
      run(robot);
   }
   catch (AWTException e)
   {
      e.printStackTrace();
   }
}

/**
   Runs a sample test procedure
   @param robot the robot attached to the screen device
*/
public static void run(Robot robot)
{
   // simulate a space bar press
   robot.keyPress(' ');
   robot.keyRelease(' ');
  
   // simulate a tab key followed by a space
   robot.delay(2000);
   robot.keyPress(KeyEvent.VK_TAB);
   robot.keyRelease(KeyEvent.VK_TAB);
   robot.keyPress(' ');
   robot.keyRelease(' ');
  
   // simulate a mouse click over the rightmost button
   robot.delay(2000);
   robot.mouseMove(200, 50);
   robot.mousePress(InputEvent.BUTTON1_MASK);
   robot.mouseRelease(InputEvent.BUTTON1_MASK);
  
   // capture the screen and show the resulting image
   robot.delay(2000);
   BufferedImage image = robot.createScreenCapture(new Rectangle(0, 0, 400, 300));
  
   ImageFrame. frame. = new ImageFrame(image);
   frame.setVisible(true);
}
}

/**
A frame. to display a captured image
*/
class ImageFrame. extends JFrame
{
/**
   @param image the image to display
*/
public ImageFrame(Image image)
{
   setTitle("Capture");
   setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
  
   JLabel label = new JLabel(new ImageIcon(image));
   add(label);
}

public static final int DEFAULT_WIDTH = 450;
public static final int DEFAULT_HEIGHT = 350;
}