JavaScript代码，无需使用ActiveX即可获取网站的屏幕截图 [英] JavaScript code to take a screenshot of a website without using ActiveX

问题描述

我有一个用户与之交互的JavaScript应用程序。我需要在当前时间保存界面的外观，裁掉我需要的部分（或者只通过指定div来拍摄我需要的部分），然后将其发送回服务器。

I have a JavaScript application that an user interacts with. I need to save the appearance of the interface at the current time, crop out the part that I need (or only shot the part that I need by specifying the div), and send it back to the server.

显然，任何外部服务都无法做到这一点，我需要一个JavaScript（或 Flash ）脚本可以保存屏幕外观。这可能吗？

Clearly any external services would not be able to do this, I need a JavaScript (or Flash) script that can save the screen appearance. Is this possible?

另外，正如下面的评论所说，我不能使用ActiveX。

Also, as the comment below says, I cannot use ActiveX.

推荐答案

Google正在Google+中执行此操作，并且一位才华横溢的开发人员对其进行了逆向工程并制作了 http：// html2canvas。 hertzen.com/ 。要在IE中工作，您需要一个画布支持库，例如 http://excanvas.sourceforge.net/

Google is doing this in Google+ and a talented developer reverse engineered it and produced http://html2canvas.hertzen.com/ . To work in IE you'll need a canvas support library such as http://excanvas.sourceforge.net/

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