<?
//截取整个屏幕
$im = imagegrabscreen();
imagepng($im, "gd_screen.gif");
?>
<?
//截取IE浏览器的内容
$browser = new COM("InternetExplorer.Application");
$handle = $browser->HWND;
$browser->Visible = true;
$browser->Fullscreen = true;
$browser->Navigate("http://www.baidu.com");/* Still working? */
while ($browser->Busy) {
    com_message_pump(4000);
}$im = imagegrabwindow($handle, 0);
$browser->Quit();
//imagejpeg($im, "tmp.jpg");
//$old_img=imagecreatefromjpeg("tmp.jpg");
$new_img = imagecreatetruecolor(200,150);
imagecopyresampled($new_img,$im,0,0,0,0,200,150,1024,768);
imagejpeg($new_img ,time().'.jpg',100);
imagedestroy($new_img);?>