服务器端库，用于将办公室文件转换为带有添加图章/水印的pdf [英] Server side library for conversion of office files to pdf with added stamp/watermark

问题描述

我需要获取Word，Excel，PowerPoint和Visio文件，并使用C#在服务器端将它们转换为PDF.

I need to take Word, Excel, PowerPoint and Visio files and convert them to PDF on the server side using C#.

在PDF转换之前或之后的某个时间点，客户希望将图章/水印添加到文档的一角(假设目前在每一页上).

At some point before or after the PDF conversion, the clients want a stamp/watermark to be added to the corner of the document (assuming, for now, on every page).

在此过程中，我无法使用Office产品，因为使用互操作"服务器端涉及许可和稳定性问题.另外，出于类似的原因，我宁愿不依赖服务器上的任何其他已安装软件.此功能将同时由多个客户端使用.

I cannot use Office products in the process, as there are licensing and stability issues involved with using "interop" server-side. Also, I would rather not depend on any other installed software on the server for similar reasons; this functionality will be used by multiple clients at the same time.

我花了几天的时间进行搜索， Aspose 似乎是唯一合适的库，但是它似乎太昂贵了.我欢迎任何能满足所有要求的建议，或欢迎使用单独的库来处理水印并分别转换为PDF

I have spent a couple of days searching, and Aspose seems to be the only library which would be suitable, however it seems prohibitively expensive. I would welcome any suggestions which would complete all requirements, or separate libraries to handle the watermark and conversion to PDF separately

更新:到目前为止，我已经有了一个原型，将上述所有文件类型转换为pdf，并使用Aspose添加了水印.相对容易，论坛在挑剔的情况下可以提供很大的帮助

UPDATE: As of now I have a prototype converting all the above file types to pdf with a watermark added using Aspose. It was relatively easy, the forum can be a great help when in a pickly

推荐答案

我认为AbcPDF将以大约一半的价格来做到这一点:

I think AbcPDF will do this for about half the price: http://www.websupergoo.com/abcpdf-office-docs.htm

您可能必须自己滚动水印部分，但这对代码来说是微不足道的.

You might have to roll the watermark part yourself, but that's quite trivial to code.

这里也有很多库:基于.NET服务器的PDF生成

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