Similar to Baidu Library, how does one Display PDF files in a div on a webpage?

Similar to Baidu Library, PDF files are displayed in a div on the webpage. how can this problem be solved? Http://wenku.baidu.com/view/fde7bc878762caaedd33d474.htmlis similar to this. Baidu Library, PDF files are displayed in a div on the webpage. how can this problem be solved? Similar to Baidu Library, PDF files are displayed in a div on the webpage. how can this problem be solved?
Http://wenku.baidu.com/view/fde7bc878762caaedd33d474.html

For example.

Baidu Library, PDF files are displayed in a div on the webpage. how can this problem be solved?
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Plug-ins, the client originally supports viewing pdf directly in the browser, you try to unload the pdf plug-in your browser, still do not see
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There is a software that converts a document into a swf File. by calling this software, you can convert the uploaded document and display the swf file on the page. the user downloads the document file, we need to handle threads and so on. net gets a library. This is how it is implemented.
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FLASH is a good method, but few people know about FLASH now.

PHP seems to have an independent class that can browse PDF files. I forgot about it. Search for it on GOOGLE!
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The layout of div and flash is ambiguous.
The webpage you provide is flash.
As for the implementation method, there are two ways,
It is easy to develop, but it is difficult to maintain, that is, converting pdf files into flash files. There are many online tools.
Easy to maintain and difficult to develop. study. APIs that support pdf and doc are available.