php实现截屏功能代码

作者：袖梨 2022-07-02

PHP使用GD库实现截屏

PHP5.2.2以上版本的GD库实现了两个截屏函数 imagegrabscreen 和 imagegrabwindow
分别用于截取整个屏幕和截取某个窗口（同ALT+PrintScreen）的屏幕。

1. 截取整个屏幕 Screenshot

<?php
$im = imagegrabscreen();
imagepng($im, "myscreenshot.png");
?>

2. 截取一个窗口 Capture a window (IE for example)

<?php
$browser = new COM("InternetExplorer.Application");
$handle = $browser->HWND;
$browser->Visible = true;
$im = imagegrabwindow($handle);
$browser->Quit();
imagepng($im, "iesnap.png");
$im = imagegrabscreen();
?>

3. 截取IE内容 Capture a window (IE for example) but with its content!

<?php
$browser = new COM("InternetExplorer.Application");
$handle = $browser->HWND;
$browser->Visible = true;
$browser->Navigate("http://www.*21*a*ndy.com/blog/");

/* Still working? */
while ($browser->Busy) {
com_message_pump(4000);
}
$im = imagegrabwindow($handle, 0);
$browser->Quit();
imagepng($im, "iesnap.png");
?>

4. 截取IE的全屏模式 IE in fullscreen mode

<?php
$browser = new COM("InternetExplorer.Application");
$handle = $browser->HWND;

$browser->Visible = true;
$browser->FullScreen = true;
$browser->Navigate("http://*www*.11*1cn.net");

/* Is it completely loaded? (be aware of frames!)*/
while ($browser->Busy) {
com_message_pump(4000);
}
$im = imagegrabwindow($handle, 0);
$browser->Quit();
imagepng($im, "iesnap.png");
?>

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