CN104462522A - File online preview method, mobile terminal and server - Google Patents
File online preview method, mobile terminal and server Download PDFInfo
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- CN104462522A CN104462522A CN201410807150.3A CN201410807150A CN104462522A CN 104462522 A CN104462522 A CN 104462522A CN 201410807150 A CN201410807150 A CN 201410807150A CN 104462522 A CN104462522 A CN 104462522A
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- 238000000034 method Methods 0.000 title claims abstract description 89
- 238000000605 extraction Methods 0.000 claims abstract description 10
- 238000007639 printing Methods 0.000 claims description 32
- 238000013519 translation Methods 0.000 claims description 18
- 230000014616 translation Effects 0.000 claims description 18
- 238000013507 mapping Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 11
- 230000013011 mating Effects 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 abstract description 30
- 230000008569 process Effects 0.000 description 11
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/30—Information retrieval; Database structures therefor; File system structures therefor of unstructured textual data
- G06F16/34—Browsing; Visualisation therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/30—Information retrieval; Database structures therefor; File system structures therefor of unstructured textual data
- G06F16/33—Querying
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
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Abstract
The invention provides a method for previewing a file on line, which comprises the following steps: after receiving a preview instruction of a specified file, the mobile terminal sends a preview request to the server; after a preview permission instruction fed back by a server is received, a PDF file converted from a specified file on the server is obtained, each data object in the PDF file is extracted according to a preset COS model object, and relevant information obtained after extraction of each data object is combined into a readable file applied to a mobile terminal; the PDF file is a data object set formed by an array, a Boolean type, a dictionary, numbers, character strings and binary streams; the related information includes text information, tables and pictures. The embodiment of the invention can be applied to various operating system platforms which do not support Flash functions.
Description
Technical field
The present invention relates to Internet technical field, particularly relate to method and mobile terminal, server and the communication network of the online preview of a kind of file.
Background technology
The online preview of document can be user and to provide convenience reading experience efficiently, and user, without the need to downloading original, without the need to installing the software environment required for reading documents, only needs to use web browser can realize online rapid preview.In addition, for document information provider, the online preview of document can prevent original to be tampered and to steal to a certain extent, improves the security of information sharing.
The solution that the online preview of current document is mainly taked is, first Office file or text is converted to PDF file, then after converting pdf document to SWF file, Flash player is used to be presented to user at browser end, but this mode needs to rely on third party (Flash) plug-in unit, and its shortcoming is: cannot apply on the IOS platform that mobile terminal does not support Flash function.
Summary of the invention
Technical matters to be solved by this invention is, method and mobile terminal, server and the communication network of the online preview of a kind of file are provided, the multiple operating system platform not supporting Flash function can be applied to, and provide the multiple online support functions such as printing, format setting, key search.
In order to solve the problems of the technologies described above, embodiments provide the method for the online preview of a kind of file, described method comprises:
After mobile terminal receives the instruction for previewing of specified file, send preview request to server;
Waiting receive the permission instruction for previewing of described server feedback after, obtain the pdf document that described server is converted to by described specified file, and according to the COS model object preset, extract each data object in described pdf document, and the relevant information obtained after all having been extracted by each data object described is combined as the file being applied to and described mobile terminal can be read; Wherein, described pdf document is the set of data objects that array, Boolean type, dictionary, numeral, character string and binary stream are formed; Described relevant information comprises Word message, form and picture.
Wherein, the object type in described default COS model object and the data object in described pdf document form mapping relations by PDF reference manual.
Wherein, described method comprises further:
Only retain and combine the Word message obtained after each data object described has all extracted, being applied to the file that mobile terminal can be read described in making is the file only containing described Word message.
Wherein, described method comprises further:
In the relevant information obtained after each data object described has all extracted, arrange key word and mate, being applied to the file that mobile terminal can be read described in making is the retrieving files mating described key word in full.
Wherein, described method comprises further:
In the relevant information obtained after each data object described has all extracted, when getting user and carrying out specific marking operation to described relevant information, then perform the operation of the specific markers of described relevant information and retain described specific markers, being applied to the file that mobile terminal can be read described in making is file containing described specific markers; Wherein, described specific marking operation is included in relevant information underscore and editor's word of described acquisition.
Wherein, described method comprises further:
The described file that mobile terminal can be read that is applied to is connected to the printing device printing with wave point by bluetooth or WIFI mode.
The embodiment of the present invention additionally provides the method for the online preview of a kind of file, and described method comprises:
Server receives and verifies the specified file preview request that mobile terminal sends;
After described preview request is verified, generation allows the instruction of preview, simultaneously according to the COS model object preset, converts described specified file to pdf document, and the instruction of described pdf document and permission preview is issued to described mobile terminal; Wherein, described pdf document is the set of data objects that array, Boolean type, dictionary, numeral, character string and binary stream are formed.
Wherein, described after described preview request is verified, produce the instruction allowing preview, simultaneously according to the COS model object preset, convert described specified file to pdf document, and described pdf document and the concrete steps that allow the instruction of preview to be issued to described mobile terminal comprised:
After described preview request is verified, produce the instruction allowing preview;
According to the file translations logic preset, by calling the document analysis function of mounted office software interface and correspondence thereof, the relevant information in described specified file is extracted; Wherein, described relevant information comprises Word message, form and picture;
According to the COS model object preset, be corresponding data object in described pdf document by the relevant information MAP of described extraction, produce described pdf document;
The instruction of the pdf document of described generation and permission preview is issued to described mobile terminal.
Wherein, the object type in described default COS model object and the data object in described pdf document form mapping relations by PDF reference manual.
Wherein, described method comprises further:
The pdf document of described generation is encrypted.
Wherein, before described server receives and verifies the step of the specified file preview request that mobile terminal sends, described method also comprises:
By WEB page by pre-loaded for described specified file on described server.
The embodiment of the present invention further provides the method for the online preview of a kind of file, and described method comprises:
After mobile terminal receives the instruction for previewing of specified file, send preview request to server;
Described server receives and verifies the specified file preview request that described mobile terminal sends;
After described preview request is verified, generation allows the instruction of preview, simultaneously according to the COS model object preset, converts described specified file to pdf document, and the instruction of described pdf document and permission preview is issued to described mobile terminal; Wherein, described pdf document is the set of data objects that array, Boolean type, dictionary, numeral, character string and binary stream are formed;
Described mobile terminal is waiting receive the permission instruction for previewing of described server feedback after, obtain the pdf document that described server is converted to by described specified file, and according to described default COS model object, extract each data object in described pdf document, and the relevant information obtained after all having been extracted by each data object described is combined as the file being applied to and described mobile terminal can be read; Wherein, described relevant information comprises Word message, form and picture.
Wherein, the object type in described default COS model object and the data object in described pdf document form mapping relations by PDF reference manual.
Wherein, described method comprises further:
Only retain and combine the Word message obtained after each data object described has all extracted, being applied to the file that mobile terminal can be read described in making is the file only containing described Word message.
Wherein, described method comprises further:
In the relevant information obtained after each data object described has all extracted, arrange key word and mate, being applied to the file that mobile terminal can be read described in making is the retrieving files mating described key word in full.
Wherein, described method comprises further:
In the relevant information obtained after each data object described has all extracted, when getting user and carrying out specific marking operation to described relevant information, then perform the operation of the specific markers of described relevant information and retain described specific markers, being applied to the file that mobile terminal can be read described in making is file containing described specific markers; Wherein, described specific marking operation is included in relevant information underscore and editor's word of described acquisition.
Wherein, described method comprises further:
The described file that mobile terminal can be read that is applied to is connected to the printing device printing with wave point by bluetooth or WIFI mode.
Wherein, described after described preview request is verified, produce the instruction allowing preview, simultaneously according to the COS model object preset, convert described specified file to pdf document, and described pdf document and the concrete steps that allow the instruction of preview to be issued to described mobile terminal comprised:
After described preview request is verified, produce the instruction allowing preview;
According to the file translations logic preset, by calling the document analysis function of mounted office software interface and correspondence thereof, the relevant information in described specified file is extracted; Wherein, described relevant information comprises Word message, form and picture;
According to the COS model object preset, be corresponding data object in described pdf document by the relevant information MAP of described extraction, produce described pdf document;
The instruction of the pdf document of described generation and permission preview is issued to described mobile terminal.
Wherein, described method comprises further:
The pdf document of described generation is encrypted.
Wherein, receive the instruction for previewing of specified file at mobile terminal after, send the step of preview request to server before, described method also comprises:
By WEB page by pre-loaded for described specified file on described server.
The embodiment of the present invention further provides a kind of mobile terminal, and described mobile terminal comprises:
Preview request unit, after receiving the instruction for previewing of specified file, sends preview request to server for mobile terminal;
Resolve and preview unit, for waiting receive the permission instruction for previewing of described server feedback after, obtain the pdf document that described server is converted to by described specified file, and according to the COS model object preset, extract each data object in described pdf document, and the relevant information obtained after all having been extracted by each data object described is combined as the file being applied to and described mobile terminal can be read; Wherein, described pdf document is the set of data objects that array, Boolean type, dictionary, numeral, character string and binary stream are formed; Described relevant information comprises Word message, form and picture.
Wherein, described mobile terminal also comprises:
Re format unit, for only retaining and combining the Word message obtained after each data object described has all extracted, being applied to the file that mobile terminal can be read described in making is the file only containing described Word message.
Wherein, described mobile terminal also comprises:
Content retrieval unit, in the relevant information for acquisition after each data object described has all extracted, arranges key word and mates, and being applied to the file that mobile terminal can be read described in making is the retrieving files mating described key word in full.
Wherein, described mobile terminal also comprises:
Online indexing unit, in relevant information for acquisition after each data object described has all extracted, when getting user and carrying out specific marking operation to described relevant information, then perform the operation of the specific markers of described relevant information and retain described specific markers, being applied to the file that mobile terminal can be read described in making is file containing described specific markers; Wherein, described specific marking operation is included in relevant information underscore and editor's word of described acquisition.
Wherein, described mobile terminal also comprises:
Remote printing unit, is connected to the printing device printing with wave point for the described file that mobile terminal can be read that is applied to by bluetooth or WIFI mode.
The embodiment of the present invention further provides a kind of server, and described server comprises:
Preview authentication unit, receives for server and verifies the specified file preview request that mobile terminal sends;
File translations unit, for after described preview request is verified, produce the instruction allowing preview, simultaneously according to the COS model object preset, convert described specified file to pdf document, and the instruction of described pdf document and permission preview is issued to described mobile terminal; Wherein, described pdf document is the set of data objects that array, Boolean type, dictionary, numeral, character string and binary stream are formed.
Wherein, described file translations unit comprises:
Directive generation module, for after described preview request is verified, produces the instruction allowing preview;
Presetting conversion logic, for according to the file translations logic preset, by calling the document analysis function of mounted office software interface and correspondence thereof, the relevant information in described specified file being extracted; Wherein, described relevant information comprises Word message, form and picture;
Mapping block, for according to the COS model object preset, is corresponding data object in described pdf document by the relevant information MAP of described extraction, produces described pdf document;
Issue module, for the instruction of the pdf document of described generation and permission preview is issued to described mobile terminal.
Wherein, described file translations unit also comprises:
Encrypting module, for being encrypted the pdf document of described generation.
Wherein, described server also comprises:
Storage unit, for by WEB page by pre-loaded for described specified file at described server.
The embodiment of the present invention further provides a kind of communication network, and described communication network comprises aforesaid mobile terminal and aforesaid server.
Implement the embodiment of the present invention, there is following beneficial effect:
1, in embodiments of the present invention, because mobile terminal is communicated with server by http protocol, and the instruction of preview specified file is sent request to server, server is once verify that this request is by rear, issue and allow the instruction of preview and the specified file converting pdf document to is sent to mobile terminal, and after client terminal obtains pdf document, the text that parsing pdf document becomes to read on this mobile terminal also displays, therefore do not need to rely on third party Flash plug-in unit, can be applicable in the multiple operating system platform not supporting Flash function;
2, in embodiments of the present invention, because the file read on mobile terminal can be file only containing Word message, can be the retrieving files of in full coupling key word, can be the file containing specific markers and be connected to the printing device with wave point by bluetooth or WIFI mode and print, therefore can be supported in on-line documentation remote printing, format setting, content retrieval, at multiple online support functions such as wire tags.
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 some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, the accompanying drawing obtaining other according to these accompanying drawings still belongs to category of the present invention.
The process flow diagram of an embodiment of the method for the online preview of file that Fig. 1 provides for the embodiment of the present invention;
The process flow diagram of another embodiment of the method for the online preview of file that Fig. 2 provides for the embodiment of the present invention;
The process flow diagram of another embodiment of the method for the online preview of file that Fig. 3 provides for the embodiment of the present invention;
The structural representation of an embodiment of the mobile terminal that Fig. 4 provides for the embodiment of the present invention;
The structural representation of an embodiment of the server that Fig. 5 provides for the embodiment of the present invention;
The structural representation of an embodiment of the communication network that Fig. 6 provides for the embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, an embodiment of the method for the online preview of a kind of file provided for the embodiment of the present invention, in this embodiment, described method is the treatment scheme of mobile terminal side, specifically comprises:
After step S101, mobile terminal receive the instruction for previewing of specified file, send preview request to server;
Detailed process is, mobile terminal receives user to after the instruction for previewing of specified file, sends preview request by http protocol to server.
Step S102, waiting receive the permission instruction for previewing of described server feedback after, obtain the pdf document that described server is converted to by described specified file, and according to the COS model object preset, extract each data object in described pdf document, and the relevant information obtained after all having been extracted by each data object described is combined as the file being applied to and described mobile terminal can be read; Wherein, described pdf document is the set of data objects that array, Boolean type, dictionary, numeral, character string and binary stream are formed; Described relevant information comprises Word message, form and picture.
Detailed process is, server is resolved various document and unified to be converted into PDF and stores, and the type of support includes but not limited to office document format, and its content of resolving comprises: the content such as Word message, form, picture extracting document; Word message, form, picture etc. are combined into pdf document; The PDF of generation is carried out file encryption and deciphering; Merge multiple pdf document; Content is added in existing PDF document; Be multiple document etc. by a PDF document cutting.
The parsing of server to document adopts OO mode to describe PDF document, wherein, pdf document is the set of data objects that array, Boolean type, dictionary, numeral, character string and binary stream are formed, in the COS model preset, define above-mentioned data object type.As an example, adopt the pure java class storehouse that PDFBox reads and creates PDF document and prepare, PDFBox is undertaken by data objects all in PDF document data acquisition and PDF document define the type of all data objects in PDF document data acquisition in org.pdfbox.cos bag (i.e. COS model) after alternately.
Now, data object type in COS model is corresponding with the set of data objects of PDF document, the explanation of implication and type that the two corresponding relation inquires about these specific properties by PDF reference manual maps, namely the object type in COS model object and the data object in pdf document form mapping relations by PDF reference manual, as an example, the page and font are all the dictionary object with specific properties, and PDF reference manual provides the implication of the page and font and the explanation of type.
Therefore, mobile terminal is after receiving the permission instruction for previewing of server feedback, the pdf document that server is converted to by specified file can be got, according to the COS model object preset, extract each data object in pdf document, and the relevant information obtained after all having been extracted by each data object is combined as the file being applied to and mobile terminal can be read, realize the object that mobile terminal does not need to rely on the online preview of third party's Flash add-on file.
Be understandable that, because server is in the resolving of specified file, the content such as Word message, form, picture extracting document forms pdf document, therefore the relevant information that mobile terminal obtains is the content such as Word message, form, picture that this specified file of server parses is corresponding, namely, relevant information includes but not limited to Word message, form and picture, thus the relevant information of above-mentioned acquisition could be combined into the file that can read.
In order to expand the multiple application demand of the file that mobile terminal can be read, remote printing, format setting, the content retrieval of the online document that therefore needs to provide support on mobile terminals, at multiple online support functions such as wire tags, to be implemented as follows:
(1) format setting function, therefore described method comprises further:
Only retain and combine the Word message obtained after each data object has all extracted, making to be applied to the file that mobile terminal can be read is the file only containing Word message.It should be noted that and not only can extract Word message separately, also can extract separately form or picture, form the reading file only containing form or picture.
(2) content retrieval function, therefore described method comprises further:
In the relevant information obtained after each data object has all extracted, key word is set and mates, make to be applied to the retrieving files that the file that mobile terminal can be read is coupling key word in full.It should be noted that the key word of in full coupling by high brightness and eye-catching color marking in this retrieving files.
(3) online mark function, therefore described method comprises further:
In the relevant information obtained after each data object has all extracted, when getting user and carrying out specific marking operation to relevant information, then perform the operation of the specific markers of relevant information and retain specific markers, making to be applied to the file that mobile terminal can be read is file containing specific markers; Wherein, specific marking operation is included in relevant information underscore and editor's word of described acquisition.
(4) remote printing function, therefore described method comprises further:
Be applied to the file that mobile terminal can be read and be connected to the printing device printing with wave point by bluetooth or WIFI mode.As an example, mobile terminal is mobile terminal, has radio communication function but does not possess printing function, is therefore connected to the printer with wave point by bluetooth or WIFI mode and prints.
As shown in Figure 2, another embodiment of the method for the online preview of a kind of file provided for the embodiment of the present invention, in this embodiment, described method is the treatment scheme of server side, specifically comprises:
Step S201, server receive and verify the specified file preview request that mobile terminal sends;
Detailed process is, before step S201, described method also comprises step: stored pre-loaded for specified file on the server by WEB page.
Therefore, server gets the specified file preview request that mobile terminal is sent to server by http protocol, verifies this preview request.As an example, mobile terminal is by the direct access services device of http protocol mode, request preview file original list, now, specified file has been carried on this file original list, by finding this specified file and submit preview request in this file original list, server is by this preview request of checking.
Step S202, after described preview request is verified, produces and allow the instruction of preview, simultaneously according to the COS model object preset, convert described specified file to pdf document, and by described pdf document and allow the instruction of preview to be issued to described mobile terminal; Wherein, described pdf document is the set of data objects that array, Boolean type, dictionary, numeral, character string and binary stream are formed.
Detailed process is, after preview request is verified, produces the instruction allowing preview;
According to the file translations logic preset, by calling the document analysis function of mounted office software interface and correspondence thereof, the relevant information in specified file is extracted; Wherein, relevant information comprises Word message, form and picture;
According to the COS model object preset, be corresponding data object in pdf document by the relevant information MAP of extraction, produce pdf document;
The instruction of the pdf document of generation and permission preview is issued to mobile terminal.
In embodiments of the present invention, the parsing of server to document adopts OO mode to describe PDF document, wherein, pdf document is the set of data objects that array, Boolean type, dictionary, numeral, character string and binary stream are formed, in the COS model preset, define above-mentioned data object type.As an example, adopt the pure java class storehouse that PDFBox reads and creates PDF document and prepare, PDFBox is undertaken by data objects all in PDF document data acquisition and PDF document define the type of all data objects in PDF document data acquisition in org.pdfbox.cos bag (i.e. COS model) after alternately.
Now, server is resolved various document and is unified to be converted into PDF and stores, and the type of support includes but not limited to office document format, and its content of resolving comprises: the content such as Word message, form, picture extracting document; Word message, form, picture etc. are combined into pdf document; The PDF of generation is carried out file encryption and deciphering; Merge multiple pdf document; Content is added in existing PDF document; Be multiple document etc. by a PDF document cutting.
Certainly, the content of parsing also comprises: the pdf document of generation be encrypted; Merge multiple pdf document; Content is added in existing PDF document; Be multiple document etc. by a PDF document cutting.
Now, data object type in COS model is corresponding with the set of data objects of PDF document, the explanation of implication and type that the two corresponding relation inquires about these specific properties by PDF reference manual maps, namely the object type in COS model object and the data object in pdf document form mapping relations by PDF reference manual, as an example, the page and font are all the dictionary object with specific properties, and PDF reference manual provides the implication of the page and font and the explanation of type.
Be understandable that, PDF will be converted to by above-mentioned COS model the file that can read on mobile terminals by mobile terminal.
As shown in Figure 3, the another embodiment of the method for the online preview of a kind of file provided for the embodiment of the present invention, in this embodiment, described method comprises the treatment scheme of mobile terminal side and the treatment scheme of server side, specifically comprises:
After step S301, mobile terminal receive the instruction for previewing of specified file, send preview request to server;
Detailed process is, before step S301, described method also comprises step: by WEB page, specified file is on the server pre-loaded.
Now, mobile terminal receives user to after the instruction for previewing of specified file, sends preview request by http protocol to server.
Step S302, described server receive and verify the specified file preview request that described mobile terminal sends;
Detailed process is, server gets the specified file preview request that mobile terminal is sent to server by http protocol, verifies this preview request.As an example, mobile terminal is by the direct access services device of http protocol mode, request preview file original list, now, specified file has been carried on this file original list, by finding this specified file and submit preview request in this file original list, server is by this preview request of checking.
Step S303, after described preview request is verified, produces and allow the instruction of preview, simultaneously according to the COS model object preset, convert described specified file to pdf document, and by described pdf document and allow the instruction of preview to be issued to described mobile terminal; Wherein, described pdf document is the set of data objects that array, Boolean type, dictionary, numeral, character string and binary stream are formed.
Detailed process is, after preview request is verified, produces the instruction allowing preview;
According to the file translations logic preset, by calling the document analysis function of mounted office software interface and correspondence thereof, the relevant information in specified file is extracted; Wherein, relevant information comprises Word message, form and picture;
According to the COS model object preset, be corresponding data object in pdf document by the relevant information MAP of extraction, produce pdf document;
The instruction of the pdf document of generation and permission preview is issued to mobile terminal.
In embodiments of the present invention, the parsing of server to document adopts OO mode to describe PDF document, wherein, pdf document is the set of data objects that array, Boolean type, dictionary, numeral, character string and binary stream are formed, in the COS model preset, define above-mentioned data object type.As an example, adopt the pure java class storehouse that PDFBox reads and creates PDF document and prepare, PDFBox is undertaken by data objects all in PDF document data acquisition and PDF document define the type of all data objects in PDF document data acquisition in org.pdfbox.cos bag (i.e. COS model) after alternately.
Now, server is resolved various document and is unified to be converted into PDF and stores, and the type of support includes but not limited to office document format, and its content of resolving comprises: the content such as Word message, form, picture extracting document; Word message, form, picture etc. are combined into pdf document; The PDF of generation is carried out file encryption and deciphering; Merge multiple pdf document; Content is added in existing PDF document; Be multiple document etc. by a PDF document cutting.
Certainly, the content of parsing also comprises: the pdf document of generation be encrypted; Merge multiple pdf document; Content is added in existing PDF document; Be multiple document etc. by a PDF document cutting.
Now, data object type in COS model is corresponding with the set of data objects of PDF document, the explanation of implication and type that the two corresponding relation inquires about these specific properties by PDF reference manual maps, namely the object type in COS model object and the data object in pdf document form mapping relations by PDF reference manual, as an example, the page and font are all the dictionary object with specific properties, and PDF reference manual provides the implication of the page and font and the explanation of type.
Step S304, described mobile terminal are waiting receive the permission instruction for previewing of described server feedback after, obtain the pdf document that described server is converted to by described specified file, and according to the COS model object preset, extract each data object in described pdf document, and the relevant information obtained after all having been extracted by each data object described is combined as the file being applied to and described mobile terminal can be read; Wherein, described relevant information comprises Word message, form and picture.
Detailed process is, mobile terminal is after receiving the permission instruction for previewing of server feedback, the pdf document that server is converted to by specified file can be got, according to the COS model object preset, extract each data object in pdf document, and the relevant information obtained after all having been extracted by each data object is combined as the file being applied to and mobile terminal can be read, realize the object that mobile terminal does not need to rely on the online preview of third party's Flash add-on file.
Be understandable that, because server is in the resolving of specified file, the content such as Word message, form, picture extracting document forms pdf document, therefore the relevant information that mobile terminal obtains is the content such as Word message, form, picture that this specified file of server parses is corresponding, namely, relevant information includes but not limited to Word message, form and picture, thus the relevant information of above-mentioned acquisition could be combined into the file that can read.
In order to expand the multiple application demand of the file that mobile terminal can be read, remote printing, format setting, the content retrieval of the online document that therefore needs to provide support on mobile terminals, at multiple online support functions such as wire tags, to be implemented as follows:
(1) format setting function, therefore described method comprises further:
Only retain and combine the Word message obtained after each data object has all extracted, making to be applied to the file that mobile terminal can be read is the file only containing Word message.It should be noted that and not only can extract Word message separately, also can extract separately form or picture, form the reading file only containing form or picture.
(2) content retrieval function, therefore described method comprises further:
In the relevant information obtained after each data object has all extracted, key word is set and mates, make to be applied to the retrieving files that the file that mobile terminal can be read is coupling key word in full.It should be noted that the key word of in full coupling by high brightness and eye-catching color marking in this retrieving files.
(3) online mark function, therefore described method comprises further:
In the relevant information obtained after each data object has all extracted, when getting user and carrying out specific marking operation to relevant information, then perform the operation of the specific markers of relevant information and retain specific markers, making to be applied to the file that mobile terminal can be read is file containing specific markers; Wherein, specific marking operation is included in relevant information underscore and editor's word of described acquisition.
(4) remote printing function, therefore described method comprises further:
Be applied to the file that mobile terminal can be read and be connected to the printing device printing with wave point by bluetooth or WIFI mode.As an example, mobile terminal is mobile terminal, has radio communication function but does not possess printing function, is therefore connected to the printer with wave point by bluetooth or WIFI mode and prints.
As shown in Figure 4, be an embodiment of a kind of mobile terminal that the embodiment of the present invention provides, in this embodiment, described mobile terminal specifically comprises:
Preview request unit 410, after receiving the instruction for previewing of specified file, sends preview request to server for mobile terminal;
Resolve and preview unit 420, for waiting receive the permission instruction for previewing of described server feedback after, obtain the pdf document that described server is converted to by described specified file, and according to the COS model object preset, extract each data object in described pdf document, and the relevant information obtained after all having been extracted by each data object described is combined as the file being applied to and described mobile terminal can be read; Wherein, described pdf document is the set of data objects that array, Boolean type, dictionary, numeral, character string and binary stream are formed; Described relevant information comprises Word message, form and picture
Wherein, described mobile terminal also comprises:
Re format unit 430, for only retaining and combining the Word message obtained after each data object described has all extracted, being applied to the file that mobile terminal can be read described in making is the file only containing described Word message.
Wherein, described mobile terminal also comprises:
Content retrieval unit 440, in the relevant information for acquisition after each data object described has all extracted, arranges key word and mates, and being applied to the file that mobile terminal can be read described in making is the retrieving files mating described key word in full.
Wherein, described mobile terminal also comprises:
Online indexing unit 450, in relevant information for acquisition after each data object described has all extracted, when getting user and carrying out specific marking operation to described relevant information, then perform the operation of the specific markers of described relevant information and retain described specific markers, being applied to the file that mobile terminal can be read described in making is file containing described specific markers; Wherein, described specific marking operation is included in relevant information underscore and editor's word of described acquisition.
Wherein, described mobile terminal also comprises:
Remote printing unit 460, is connected to the printing device printing with wave point for the described file that mobile terminal can be read that is applied to by bluetooth or WIFI mode.
As shown in Figure 5, be an embodiment of a kind of server that the embodiment of the present invention provides, in this embodiment, described server specifically comprises:
Preview authentication unit 510, receives for server and verifies the specified file preview request that mobile terminal sends;
File translations unit 520, for after described preview request is verified, produce the instruction allowing preview, simultaneously according to the COS model object preset, convert described specified file to pdf document, and the instruction of described pdf document and permission preview is issued to described mobile terminal; Wherein, described pdf document is the set of data objects that array, Boolean type, dictionary, numeral, character string and binary stream are formed.
Wherein, described file translations unit 520 comprises:
Directive generation module 5201, for after described preview request is verified, produces the instruction allowing preview;
Presetting conversion logic 5202, for according to the file translations logic preset, by calling the document analysis function of mounted office software interface and correspondence thereof, the relevant information in described specified file being extracted; Wherein, described relevant information comprises Word message, form and picture;
Mapping block 5203, for according to the COS model object preset, is corresponding data object in described pdf document by the relevant information MAP of described extraction, produces described pdf document;
Issue module 5204, for the instruction of the pdf document of described generation and permission preview is issued to described mobile terminal.
Wherein, described file translations unit 520 also comprises:
Encrypting module 5205, for being encrypted the pdf document of described generation.
Wherein, described server also comprises:
Storage unit 530, for by WEB page by pre-loaded for described specified file at described server.
As shown in Figure 6, be a kind of communication network that the embodiment of the present invention provides, in this embodiment, described communication network comprises as the mobile terminal in Fig. 4 with as the server in Fig. 5, and concrete details can with reference to the aforementioned description to Fig. 4 and Fig. 5.
Implement the embodiment of the present invention, there is following beneficial effect:
1, in embodiments of the present invention, because mobile terminal is communicated with server by http protocol, and the instruction of preview specified file is sent request to server, server is once verify that this request is by rear, issue and allow the instruction of preview and the specified file converting pdf document to is sent to mobile terminal, and after client terminal obtains pdf document, the text that parsing pdf document becomes to read on this mobile terminal also displays, therefore do not need to rely on third party Flash plug-in unit, can be applicable in the multiple operating system platform not supporting Flash function;
2, in embodiments of the present invention, because the file read on mobile terminal can be file only containing Word message, can be the retrieving files of in full coupling key word, can be the file containing specific markers and be connected to the printing device with wave point by bluetooth or WIFI mode and print, therefore can be supported in on-line documentation remote printing, format setting, content retrieval, at multiple online support functions such as wire tags.
It should be noted that in said system embodiment, each included system unit is carry out dividing according to function logic, but is not limited to above-mentioned division, as long as can realize corresponding function; In addition, the concrete title of each functional unit, also just for the ease of mutual differentiation, is not limited to protection scope of the present invention.
One of ordinary skill in the art will appreciate that all or part of step realized in above-described embodiment method is that the hardware that can carry out instruction relevant by program has come, described program can be stored in a computer read/write memory medium, described storage medium, as ROM/RAM, disk, CD etc.
Above disclosedly be only a kind of preferred embodiment of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (30)
1. a method for the online preview of file, is characterized in that, described method comprises:
After mobile terminal receives the instruction for previewing of specified file, send preview request to server;
Waiting receive the permission instruction for previewing of described server feedback after, obtain the pdf document that described server is converted to by described specified file, and according to the COS model object preset, extract each data object in described pdf document, and the relevant information obtained after all having been extracted by each data object described is combined as the file being applied to and described mobile terminal can be read; Wherein, described pdf document is the set of data objects that array, Boolean type, dictionary, numeral, character string and binary stream are formed; Described relevant information comprises Word message, form and picture.
2. the method for claim 1, is characterized in that, the object type in described default COS model object and the data object in described pdf document form mapping relations by PDF reference manual.
3. the method for claim 1, is characterized in that, described method comprises further:
Only retain and combine the Word message obtained after each data object described has all extracted, being applied to the file that mobile terminal can be read described in making is the file only containing described Word message.
4. the method for claim 1, is characterized in that, described method comprises further:
In the relevant information obtained after each data object described has all extracted, arrange key word and mate, being applied to the file that mobile terminal can be read described in making is the retrieving files mating described key word in full.
5. the method for claim 1, is characterized in that, described method comprises further:
In the relevant information obtained after each data object described has all extracted, when getting user and carrying out specific marking operation to described relevant information, then perform the operation of the specific markers of described relevant information and retain described specific markers, being applied to the file that mobile terminal can be read described in making is file containing described specific markers; Wherein, described specific marking operation is included in relevant information underscore and editor's word of described acquisition.
6. the method for claim 1, is characterized in that, described method comprises further:
The described file that mobile terminal can be read that is applied to is connected to the printing device printing with wave point by bluetooth or WIFI mode.
7. a method for the online preview of file, is characterized in that, described method comprises:
Server receives and verifies the specified file preview request that mobile terminal sends;
After described preview request is verified, generation allows the instruction of preview, simultaneously according to the COS model object preset, converts described specified file to pdf document, and the instruction of described pdf document and permission preview is issued to described mobile terminal; Wherein, described pdf document is the set of data objects that array, Boolean type, dictionary, numeral, character string and binary stream are formed.
8. method as claimed in claim 7, it is characterized in that, it is described after described preview request is verified, produce the instruction allowing preview, simultaneously according to the COS model object preset, convert described specified file to pdf document, and described pdf document and the concrete steps that allow the instruction of preview to be issued to described mobile terminal comprised:
After described preview request is verified, produce the instruction allowing preview;
According to the file translations logic preset, by calling the document analysis function of mounted office software interface and correspondence thereof, the relevant information in described specified file is extracted; Wherein, described relevant information comprises Word message, form and picture;
According to the COS model object preset, be corresponding data object in described pdf document by the relevant information MAP of described extraction, produce described pdf document;
The instruction of the pdf document of described generation and permission preview is issued to described mobile terminal.
9. method as claimed in claim 8, is characterized in that, the object type in described default COS model object and the data object in described pdf document form mapping relations by PDF reference manual.
10. method as claimed in claim 8, it is characterized in that, described method comprises further:
The pdf document of described generation is encrypted.
11. methods as claimed in claim 7, is characterized in that, before described server receives and verifies the step of the specified file preview request that mobile terminal sends, described method also comprises:
By WEB page by pre-loaded for described specified file on described server.
The method of 12. 1 kinds of online previews of file, is characterized in that, described method comprises:
After mobile terminal receives the instruction for previewing of specified file, send preview request to server;
Described server receives and verifies the specified file preview request that described mobile terminal sends;
After described preview request is verified, generation allows the instruction of preview, simultaneously according to the COS model object preset, converts described specified file to pdf document, and the instruction of described pdf document and permission preview is issued to described mobile terminal; Wherein, described pdf document is the set of data objects that array, Boolean type, dictionary, numeral, character string and binary stream are formed;
Described mobile terminal is waiting receive the permission instruction for previewing of described server feedback after, obtain the pdf document that described server is converted to by described specified file, and according to described default COS model object, extract each data object in described pdf document, and the relevant information obtained after all having been extracted by each data object described is combined as the file being applied to and described mobile terminal can be read; Wherein, described relevant information comprises Word message, form and picture.
13. methods as claimed in claim 12, is characterized in that, the object type in described default COS model object and the data object in described pdf document form mapping relations by PDF reference manual.
14. methods as claimed in claim 12, it is characterized in that, described method comprises further:
Only retain and combine the Word message obtained after each data object described has all extracted, being applied to the file that mobile terminal can be read described in making is the file only containing described Word message.
15. methods as claimed in claim 12, it is characterized in that, described method comprises further:
In the relevant information obtained after each data object described has all extracted, arrange key word and mate, being applied to the file that mobile terminal can be read described in making is the retrieving files mating described key word in full.
16. methods as claimed in claim 12, it is characterized in that, described method comprises further:
In the relevant information obtained after each data object described has all extracted, when getting user and carrying out specific marking operation to described relevant information, then perform the operation of the specific markers of described relevant information and retain described specific markers, being applied to the file that mobile terminal can be read described in making is file containing described specific markers; Wherein, described specific marking operation is included in relevant information underscore and editor's word of described acquisition.
17. methods as claimed in claim 12, it is characterized in that, described method comprises further:
The described file that mobile terminal can be read that is applied to is connected to the printing device printing with wave point by bluetooth or WIFI mode.
18. methods as claimed in claim 12, it is characterized in that, it is described after described preview request is verified, produce the instruction allowing preview, simultaneously according to the COS model object preset, convert described specified file to pdf document, and described pdf document and the concrete steps that allow the instruction of preview to be issued to described mobile terminal comprised:
After described preview request is verified, produce the instruction allowing preview;
According to the file translations logic preset, by calling the document analysis function of mounted office software interface and correspondence thereof, the relevant information in described specified file is extracted; Wherein, described relevant information comprises Word message, form and picture;
According to the COS model object preset, be corresponding data object in described pdf document by the relevant information MAP of described extraction, produce described pdf document;
The instruction of the pdf document of described generation and permission preview is issued to described mobile terminal.
19. methods as claimed in claim 18, it is characterized in that, described method comprises further:
The pdf document of described generation is encrypted.
20. methods as claimed in claim 12, is characterized in that, receive the instruction for previewing of specified file at mobile terminal after, send the step of preview request to server before, described method also comprises:
By WEB page by pre-loaded for described specified file on described server.
21. 1 kinds of mobile terminals, is characterized in that, described mobile terminal comprises:
Preview request unit, after receiving the instruction for previewing of specified file, sends preview request to server for mobile terminal;
Resolve and preview unit, for waiting receive the permission instruction for previewing of described server feedback after, obtain the pdf document that described server is converted to by described specified file, and according to the COS model object preset, extract each data object in described pdf document, and the relevant information obtained after all having been extracted by each data object described is combined as the file being applied to and described mobile terminal can be read; Wherein, described pdf document is the set of data objects that array, Boolean type, dictionary, numeral, character string and binary stream are formed; Described relevant information comprises Word message, form and picture.
22. mobile terminals as claimed in claim 21, it is characterized in that, described mobile terminal also comprises:
Re format unit, for only retaining and combining the Word message obtained after each data object described has all extracted, being applied to the file that mobile terminal can be read described in making is the file only containing described Word message.
23. mobile terminals as claimed in claim 21, it is characterized in that, described mobile terminal also comprises:
Content retrieval unit, in the relevant information for acquisition after each data object described has all extracted, arranges key word and mates, and being applied to the file that mobile terminal can be read described in making is the retrieving files mating described key word in full.
24. mobile terminals as claimed in claim 21, it is characterized in that, described mobile terminal also comprises:
Online indexing unit, in relevant information for acquisition after each data object described has all extracted, when getting user and carrying out specific marking operation to described relevant information, then perform the operation of the specific markers of described relevant information and retain described specific markers, being applied to the file that mobile terminal can be read described in making is file containing described specific markers; Wherein, described specific marking operation is included in relevant information underscore and editor's word of described acquisition.
25. mobile terminals as claimed in claim 21, it is characterized in that, described mobile terminal also comprises:
Remote printing unit, is connected to the printing device printing with wave point for the described file that mobile terminal can be read that is applied to by bluetooth or WIFI mode.
26. 1 kinds of servers, is characterized in that, described server comprises:
Preview authentication unit, receives for server and verifies the specified file preview request that mobile terminal sends;
File translations unit, for after described preview request is verified, produce the instruction allowing preview, simultaneously according to the COS model object preset, convert described specified file to pdf document, and the instruction of described pdf document and permission preview is issued to described mobile terminal; Wherein, described pdf document is the set of data objects that array, Boolean type, dictionary, numeral, character string and binary stream are formed.
27. servers as claimed in claim 26, it is characterized in that, described file translations unit comprises:
Directive generation module, for after described preview request is verified, produces the instruction allowing preview;
Presetting conversion logic, for according to the file translations logic preset, by calling the document analysis function of mounted office software interface and correspondence thereof, the relevant information in described specified file being extracted; Wherein, described relevant information comprises Word message, form and picture;
Mapping block, for according to the COS model object preset, is corresponding data object in described pdf document by the relevant information MAP of described extraction, produces described pdf document;
Issue module, for the instruction of the pdf document of described generation and permission preview is issued to described mobile terminal.
28. servers as claimed in claim 27, it is characterized in that, described file translations unit also comprises:
Encrypting module, for being encrypted the pdf document of described generation.
29. servers as claimed in claim 26, it is characterized in that, described server also comprises:
Storage unit, for by WEB page by pre-loaded for described specified file at described server.
30. 1 kinds of communication networks, is characterized in that, described communication network comprises the mobile terminal according to any one of claim 21 to 25 and the server according to any one of claim 26 to 29.
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| CN201410807150.3A CN104462522A (en) | 2014-12-23 | 2014-12-23 | File online preview method, mobile terminal and server |
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