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asp.net屏幕截图

[英]asp.net screenshot

原文 2011-07-28 18:39:32 8 2 c#/ asp.net/ visual-studio-2010

I need to work on a new feature where a user can make a screenshot of the content in the browser via asp.net page and save it automatically as jpeg. 我需要开发一项新功能，用户可以通过asp.net页面在浏览器中对内容进行屏幕截图，然后将其自动另存为jpeg。 Is there a example or someone can give me some idea how I can do that? 有没有例子或有人可以给我一些想法，我该怎么做？ I will really appreciate. 我会很感激。 Thanks in advance, Lazile 在此先感谢，Lazile

2 个解决方案

The long and short of it is that you'll need to render the page on the server and take a picture of it. 总而言之，您需要在服务器上渲染页面并为其拍照。 Depending on your format needs, there are a variety of ways to do this. 根据您的格式需求，可以采用多种方法。

Here's a link to a tutorial for getting a snapshot in jpg, bmp, png, etc. 这是指向教程的链接，该教程用于获取jpg，bmp，png等快照。

If you need to get it to pdf format, I would recommend either using a program like wkhtmltopdf , or using the information from the tutorial and then pasting that image into a pdf. 如果您需要将其转换为pdf格式，建议您使用wkhtmltopdf之类的程序，或者使用教程中的信息，然后将该图像粘贴到pdf中。

check this out. 检查这出。 It's javascript on the client side. 它是客户端上的javascript。 It might meet your needs with some tweaking. 进行一些调整可能会满足您的需求。 Edit: caveat is that it doesn't work in <IE9 as it uses HTML 5 canvas. 编辑：警告是它在<IE9中不起作用，因为它使用HTML 5 canvas。