iPhone中是否可以获取页码和行号
是否可以从iPhone sdk中的doc/rtf/pdf中获取特定文本的页码和行号？
QLPreviewController 或 UIDocumentInteractionController 有什么帮助吗？
编辑：
我正在尝试创建类似 iAnnotate、Sente 的东西。用户将能够选择一些文本并可以为所选文本添加注释的应用程序。
我已经浏览过 fastpdfkit api，这似乎是唯一可以提供一些帮助的 api。
你们能引导我走向正确的方向吗？
Is it possible to get the page number and line number of particular text from doc/rtf/pdf in iPhone sdk?
Can QLPreviewController or UIDocumentInteractionController be of any help?
EDIT:
I am trying to create something like iAnnotate,Sente. Application where in user will be able to select some text and can add comments for selected text.
I have gone through the fastpdfkit api's which seems the only api which can be of some help.
Can you guys guide me in the right direction.
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https://github.com/brow/leaves
点击此链接，它将对您的 PDF 阅读器有所帮助你可以在那里看到我是如何做总页和当前页的。
https://github.com/brow/leaves
Go with this link, it will help you for PDF reader and you can see there how I am doing total page and current page.
如果您正在考虑使用 PDF、RTF 和 DOC 执行此操作，那么最好以不同的方式进行处理，因为它们都是非常不同的格式。
相反，如果您考虑将注释附加到页面的某个区域而不是特定的文本选择，那么您需要了解的有关文档的只是您正在查看哪个页面。一个更容易的任务。然后，您让用户“拖出”该页面某个区域的评论框。把它们想象成便利贴。
通过这种方式，您可以向图像和文本添加注释，并且它允许更灵活的系统将来支持其他文件格式。
我意识到这不是我对问题的直接回答，但认为它足够相关，可以发布。
If you're looking at doing this with PDF, RTF and DOC it might be best to approach it in a different way as they are all very different formats.
Instead - if you consider attaching comments to an area of the page as opposed to a specific text selection then all you need to know about the document is which page you're looking at. A much easier task. Then you get the user to 'drag out' a comments box for an area of that page. Think of them more like sticky-notes.
This way you can add comments to images as well as text and it allows a much more flexible system for support of other file formats in the future.
I realise this isn't I direct answer to the question, but thought it relevant enough to post.