CN105095160A - Document conversion reading method and system - Google Patents

Document conversion reading method and system Download PDF

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Publication number
CN105095160A
CN105095160A CN201510466286.7A CN201510466286A CN105095160A CN 105095160 A CN105095160 A CN 105095160A CN 201510466286 A CN201510466286 A CN 201510466286A CN 105095160 A CN105095160 A CN 105095160A
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document
format
picture
content
html
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CN201510466286.7A
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CN105095160B (en
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梁胜彬
邰景磊
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Henan University
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Henan University
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Abstract

The invention discloses a document conversion reading method and system. The document format of a target document is judged; when the target document format is a Word or Excel format, a database is searched to determine whether an Html format document corresponding to the target document in the current format is saved or not, and if yes, a preset assembly is used for loading and displaying the Html format document; or else the target document is converted into the Html format document, the Html format document is saved in the database, and a preset webpage display module is used for loading and displaying the Html format document; when the document format of the target document is a PDF format, content information in the target document is extracted, the target document is converted into the image format document through the information in the target document, and a preset image display plug-in is used for loading and displaying the image format document. Content in the three document formats can be efficiently converted and displayed on an operating system platform on which the Word or Excel or PDF format cannot be directly displayed.

Description

A kind of document subject feature vector reading method and system
Technical field
The present invention relates to file layout conversion art, particularly relate to a kind of document subject feature vector reading method and system.
Background technology
Word and Excel is the Common Component of a set of suit of the office software based on Windows operating system of Microsoft's exploitation.PDF is the cross-platform file layout of the uniqueness developed by Adobe company.Word is a word-processing application, can create the document that plain text or process have picture; Excel is a spreadsheet software, can carry out the process of various data, statistical study and aid decision making operation, is widely used in management, various fields such as statistics finance and economics, finance etc.
But the reading technique of these three kinds of documents is not open source technology, therefore third party software thinks that reading Word, Excel and PDF document can only adopt third party technology, common way starts with using C/C++ to resolve reading from bottom, parsing reading efficiency as method this in Android platform in certain operations system platform is lower, and performance is lower.At present the high parsing reading method of a kind of efficiency is lacked in Android platform for these three kinds of documents.
Summary of the invention
In view of this, fundamental purpose of the present invention is to provide a kind of document subject feature vector reading method and system, can resolve the content of reading Word, Excel or PDF document expeditiously.
For achieving the above object, the invention provides a kind of document subject feature vector reading method, comprising:
Judge the document format of destination document;
When the document format of described destination document be Word form or Excel form time, search database and whether preserve the Html format file corresponding with described destination document content, if had, utilize Html format file described in description components loaded and displayed; Otherwise described destination document is converted to Html format file, described Html format file is saved to database and utilizes Html format file described in preset web display module loaded and displayed;
When the document format of described destination document is PDF, extract the content information in described destination document and content display style information, according to described content display style information, the content information in described destination document is converted to picture format document, utilizes and preset picture format document described in picture display plug-in unit loaded and displayed.
Preferably, described destination document is converted to Html format file to comprise:
Extract content information and the content display style information of described destination document, by Html document format, the described content information extracted is carried out the assembled Html format file obtaining correspondence according to the described content display style information extracted.
Preferably, described content information comprises: the word in described destination document and/or picture.
Preferably, described description components is Webview assembly.
Preferably, described default plug-in unit is ViewPager plug-in unit.
Preferably, also comprise after utilizing picture format document described in default plug-in unit loaded and displayed:
The screenshotss request of response user, intercepts the content of the described picture format document of specifying, obtains target sectional drawing picture, and described target sectional drawing picture is saved in database.
Preferably, also comprise after described target sectional drawing picture being saved in database:
The PDF conversion instruction of response user, obtain the Target Photo that will carry out format conversion in the picture of database preservation, extract the content information in described Target Photo, according to the content information in the described Target Photo extracted, described Target Photo is converted to the document of PDF.
Present invention also offers a kind of document subject feature vector reading system, comprising: document format judge module, the first conversion read module and the second conversion read module;
Described document format judge module is for judging the document format of destination document;
Described first changes read module is used for when the document format of described destination document is into Word form or Excel form, search database and whether preserve the Html format file corresponding with described destination document content, if had, utilize Html format file described in description components loaded and displayed; Otherwise described destination document is converted to Html format file, described Html format file is saved to database and utilizes Html format file described in description components loaded and displayed;
Described second changes read module is used for when the document format of described destination document is into PDF, extract the content information in described destination document and content display style information, according to described content display style information, the content information in described destination document is converted to picture format document, utilizes and preset picture format document described in plug-in unit loaded and displayed.
Preferably, described document subject feature vector reading system also comprises screen capture module;
Described screen capture module, for responding the screenshotss request of user, intercepts the content of the described picture format document of specifying, obtains target sectional drawing picture, and described target sectional drawing picture is saved in database.
Preferably, Sohu's document subject feature vector reading system of reviving also comprises PDF modular converter;
Described PDF modular converter is for responding the PDF conversion instruction of user, obtain the Target Photo that will carry out format conversion in the picture of database preservation, extract the content information in described Target Photo, according to the content information in the described Target Photo extracted, described Target Photo is converted to the document of PDF.
Apply document subject feature vector reading method provided by the invention and system, judge the document format of destination document; When destination document form is Word or Excel form, searches database and whether preserve the Html format file corresponding with the destination document of current format, if had, utilize Html format file described in description components loaded and displayed; Otherwise destination document is converted to Html format file, described Html format file is saved to database and utilizes Html format file described in preset web display module loaded and displayed; When the document format of destination document is PDF, extract the content information in described destination document, according to the information in described destination document, described destination document is converted to picture format document, utilizes and preset picture format document described in picture display plug-in unit loaded and displayed.Display can be changed efficiently to the content of above three kinds of document formats in the operating system platform that directly cannot show Word, Excel or PDF.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the process flow diagram of document subject feature vector reading method embodiment one of the present invention;
Fig. 2 is the process flow diagram of document subject feature vector reading method embodiment two of the present invention;
Fig. 3 is the structural representation of document subject feature vector reading method embodiment three of the present invention;
Fig. 4 is the structural representation of document subject feature vector reading system embodiment four of the present invention;
Fig. 5 is the structural representation of document subject feature vector reading system embodiment five of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one:
The invention provides a kind of document subject feature vector reading method, Fig. 1 shows the process flow diagram of document subject feature vector reading method embodiment one of the present invention, comprising:
Step S101: the document format judging destination document, when the document format of described destination document be Word form or Excel form time, enter step S102, when the document format of described destination document is PDF, enter step S105:
Step S102: search database and whether preserve the Html format file corresponding with described destination document content, if had, enter step S103, otherwise enter step S104;
When the document format of described destination document be Word form or Excel form time, search the described destination document whether database preserves the Html document format corresponding with the described destination document of current document form, be actually the browing record judging whether destination document, namely determine whether to read destination document first.
Step S103: utilize Html format file described in description components loaded and displayed;
When there being the browing record of destination document, change when database can find initial read and be saved to the described destination document of the Html document format of database, utilizing the content of the assembly destination document as described in Webview assembly loaded and displayed Html document format preset.
Step S104: described destination document is converted to Html format file, is saved to database by described Html format file and utilizes Html format file described in preset web display module loaded and displayed;
When there is no the browing record of destination document, first described destination document is converted to Html document format, specifically comprise: content information and the content display style information of extracting described destination document, content information is as the word in document or picture, the information such as the pattern of content display style information and word or picture or typesetting pattern, by Html document format, the described content information extracted is carried out the assembled described destination document obtaining corresponding Html document format according to the described content display style information extracted, obtain complete, the Html document of stet shelves basic format, and be saved to database, directly from the Html reading of content of database during convenient reading destination document next time, below the conversion display of Word or Excel format file content is just completed,
Step S105: when the document format of described destination document is PDF, extract the content information in described destination document and content display style information, according to described content display style information, the content information in described destination document is converted to picture format document, utilizes and preset picture format document described in picture display plug-in unit loaded and displayed.
When the document format of described destination document is PDF, content information in PDF document and content display style information extracted and according to these information, destination document is converted to picture format, utilizing default plug-in unit to read display such as ViewPager plug-in unit carries out loading.
The document subject feature vector reading method that application the present embodiment provides, judges the document format of destination document; When destination document form is Word or Excel form, searches database and whether preserve the Html format file corresponding with the destination document of current format, if had, utilize Html format file described in description components loaded and displayed; Otherwise destination document is converted to Html format file, described Html format file is saved to database and utilizes Html format file described in preset web display module loaded and displayed; When the document format of destination document is PDF, extract the content information in described destination document, according to the information in described destination document, described destination document is converted to picture format document, utilizes and preset picture format document described in picture display plug-in unit loaded and displayed.Display can be changed efficiently to the content of above three kinds of document formats in the operating system platform that directly cannot show Word, Excel or PDF.
Embodiment two:
Fig. 2 shows the process flow diagram that conversion method embodiment two read by document of the present invention, corresponding to Fig. 1, also comprises:
Step S106: the screenshotss request of response user, intercepts the content of the described picture format document of specifying, obtain target sectional drawing picture, and described target sectional drawing picture is saved in database.
User, when browsing the document being converted to picture format, can carry out screenshotss as required, screenshotss content is saved as picture in database.
Embodiment three:
Fig. 3 shows the process flow diagram that conversion method embodiment three read by document of the present invention, corresponding to Fig. 2, also comprises:
Step S107: the PDF conversion instruction of response user, obtain the Target Photo that will carry out format conversion in the picture of database preservation, extract the content information in described Target Photo, according to the content information in the described Target Photo extracted, described Target Photo is converted to the document of PDF.
User can transfer the picture needing format conversion when needing picture to be converted to PDF from database, and comprise the photo of user's shooting, the picture etc. that the photo of preservation and sectional drawing obtain, is converted to PDF by picture.
Embodiment four:
Present invention also offers a kind of document subject feature vector reading system, Fig. 4 shows the structural representation of document subject feature vector reading system embodiment four of the present invention, comprising: document format judge module 101, first changes read module 102 and the second conversion read module 103;
Described document format judge module 101 is for judging the document format of destination document;
Described first conversion read module 102 is connected with described document format judge module 101, for when the document format of described destination document be Word form or Excel form time, search database and whether preserve the Html format file corresponding with described destination document content, if had, utilize Html format file described in description components loaded and displayed; Otherwise described destination document is converted to Html format file, described Html format file is saved to database and utilizes Html format file described in description components loaded and displayed;
Described second conversion read module 103 is connected with described document format judge module 101, for when the document format of described destination document is PDF, extract the content information in described destination document and content display style information, according to described content display style information, the content information in described destination document is converted to picture format document, utilizes and preset picture format document described in plug-in unit loaded and displayed.
The document subject feature vector reading system that application the present embodiment provides, judges the document format of destination document; When destination document form is Word or Excel form, searches database and whether preserve the Html format file corresponding with the destination document of current format, if had, utilize Html format file described in description components loaded and displayed; Otherwise destination document is converted to Html format file, described Html format file is saved to database and utilizes Html format file described in preset web display module loaded and displayed; When the document format of destination document is PDF, extract the content information in described destination document, according to the information in described destination document, described destination document is converted to picture format document, utilizes and preset picture format document described in picture display plug-in unit loaded and displayed.Display can be changed efficiently to the content of above three kinds of document formats in the operating system platform that directly cannot show Word, Excel or PDF.
Embodiment five:
Fig. 5 shows the structural representation that converting system embodiment five read by document of the present invention, corresponding to Fig. 4, also comprises:
Screen capture module 104 and PDF modular converter 105;
Described screen capture module 104 and second is changed read module 103 and is connected, and for responding the screenshotss request of user, intercepting, obtain target sectional drawing picture to the content of the described picture format document of specifying, and described target sectional drawing picture is saved in database;
Described PDF modular converter 105 is connected with described screen capture module 104, for responding the PDF conversion instruction of user, obtain the Target Photo that will carry out format conversion in the picture of database preservation, extract the content information in described Target Photo, according to the content information in the described Target Photo extracted, described Target Photo is converted to the document of PDF.
It should be noted that, each embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.For system class embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Finally, also it should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Be described in detail method and system provided by the present invention above, apply specific case herein and set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (10)

1. a document subject feature vector reading method, is characterized in that, comprising:
Judge the document format of destination document;
When the document format of described destination document be Word form or Excel form time, search database and whether preserve the Html format file corresponding with described destination document content, if had, utilize Html format file described in description components loaded and displayed; Otherwise described destination document is converted to Html format file, described Html format file is saved to database and utilizes Html format file described in preset web display module loaded and displayed;
When the document format of described destination document is PDF, extract the content information in described destination document and content display style information, according to described content display style information, the content information in described destination document is converted to picture format document, utilizes and preset picture format document described in picture display plug-in unit loaded and displayed.
2. document subject feature vector reading method according to claim 1, is characterized in that, described destination document is converted to Html format file and comprises:
Extract content information and the content display style information of described destination document, by Html document format, the described content information extracted is carried out the assembled Html format file obtaining correspondence according to the described content display style information extracted.
3. document subject feature vector reading method according to claim 2, is characterized in that, described content information comprises: the word in described destination document and/or picture.
4. the document subject feature vector reading method according to any one of claims 1 to 3, is characterized in that, described preset web display module is Webview assembly.
5. the document subject feature vector reading method according to any one of claims 1 to 3, is characterized in that, described default picture display plug-in unit is ViewPager plug-in unit.
6. document subject feature vector reading method according to claim 1, is characterized in that, utilizes after presetting picture format document described in plug-in unit loaded and displayed and also comprises:
The screenshotss request of response user, intercepts the content of the described picture format document of specifying, obtains target sectional drawing picture, and described target sectional drawing picture is saved in database.
7. document subject feature vector reading method according to claim 6, is characterized in that, also comprises after described target sectional drawing picture is saved in database:
The PDF conversion instruction of response user, obtain the Target Photo that will carry out format conversion in the picture of database preservation, extract the content information in described Target Photo, according to the content information in the described Target Photo extracted, described Target Photo is converted to the document of PDF.
8. a document subject feature vector reading system, is characterized in that, comprising: document format judge module, the first conversion read module and the second conversion read module;
Described document format judge module is for judging the document format of destination document;
Described first changes read module is used for when the document format of described destination document is into Word form or Excel form, search database and whether preserve the Html format file corresponding with described destination document content, if had, utilize Html format file described in description components loaded and displayed; Otherwise described destination document is converted to Html format file, described Html format file is saved to database and utilizes Html format file described in description components loaded and displayed;
Described second changes read module is used for when the document format of described destination document is into PDF, extract the content information in described destination document and content display style information, according to described content display style information, the content information in described destination document is converted to picture format document, utilizes and preset picture format document described in plug-in unit loaded and displayed.
9. document subject feature vector reading system according to claim 8, is characterized in that, also comprise screen capture module;
Described screen capture module, for responding the screenshotss request of user, intercepts the content of the described picture format document of specifying, obtains target sectional drawing picture, and described target sectional drawing picture is saved in database.
10. document subject feature vector reading system according to claim 9, is characterized in that, also comprises PDF modular converter;
Described PDF modular converter is for responding the PDF conversion instruction of user, obtain the Target Photo that will carry out format conversion in the picture of database preservation, extract the content information in described Target Photo, according to the content information in the described Target Photo extracted, described Target Photo is converted to the document of PDF.
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