CN1421800A - Electronic file previewing system and method - Google Patents
Electronic file previewing system and method Download PDFInfo
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- CN1421800A CN1421800A CN 01139838 CN01139838A CN1421800A CN 1421800 A CN1421800 A CN 1421800A CN 01139838 CN01139838 CN 01139838 CN 01139838 A CN01139838 A CN 01139838A CN 1421800 A CN1421800 A CN 1421800A
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Abstract
The electronic file previewing system includes one directory file conveying module to convey the directory file of electronic files to computer unit in client side, one previewing request accepting module to receive the previewing request from the client side for some specific headline content, and one file content conveying module to convey the required content to the client side. The present invention also discloses one electronic file previewing system including one directory file displaying module, one previewing requirement conveying module and one content display module. The present invention also discloses the electronic file previewing method.
Description
Technical field
The present invention relates to a kind of electronic file previewing system and method, especially about a kind of not only can convenient user's preview e-file, but also can protect the electronic file previewing system and the method for author and publisher's rights and interests.
Background technology
In traditional bookstore, the reader can browse books, to guarantee whether books are worth buying.In this process, any one page that the reader can freely turn over documents, except bookstore close the door with can not as read at home comfortable, not more restriction.
Universal day by day along with world-wide web; the continuous appearance of various e-file ocr softwares and equipment; and the raising of networked shopping system security and copy-right protection method; e-file is as a kind of brand-new book publishing, distribution, sale and reading method; compare with traditional books (paper document), advantages such as its cost is low, tool simplicity, no time and space restriction day by day manifest.Preview is indispensable link in the books sales process, and it is to understand and the method for selecting books for the reader provides.
Under network environment, because duplicating of archives or literal is very easy, so the protection of copyright has been caused difficulty.For example, when e-file via the web page browsing of network when presenting to the user, the user can utilize the content that obtains and keep e-file with printing function of duplicating of browser, therefore can't protect copyright fully.In addition, when user's download has the complete e-file of time restriction, because above-mentioned time restriction function may be cracked, so can't protect copyright equally.
In addition, if the only open portion electronic file content confession user preview in order to protect copyright may cause user's inconvenience.For example, when the brief introduction of e-file only was provided, the user can't therefrom understand its particular content and style.In addition, when the chapters and sections that e-file only is provided were selected, the user can only understand the minority emphasis of e-file, so the user may misread the overall picture of e-file because of quoting a remark out of its context.
By the above, can learn in known techniques, not the degree of freedom that has limited reader's preview, there is the problem of copyright protection exactly, so damaged the rights and interests of author and publisher.Therefore how to offer the degree of freedom and the e-file that ensures author and publisher's rights and interests of the abundant preview of user, become an important topic that needs to be resolved hurrily.
Summary of the invention
At the problems referred to above; the purpose of this invention is to provide a kind of electronic file previewing system; it can provide the content of e-file to user's preview under network environment; but only provide certain hour to carry out preview to the user; and do not provide copy function and printing function; so the user can't duplicate or print the content of e-file, therefore can effectively protect the rights and interests of author and publisher.
Another object of the present invention provides a kind of electronic file previewing system, and it can provide whole electronic file content to supply user's preview, whether buys this e-file so the user can fully understand electronic file content with decision.
For realizing above-mentioned purpose,, comprise a bibliographic data delivery module, a preview requirement receiver module and a content material delivery module according to server-side electronic file previewing system of the present invention.The bibliographic data delivery module transmits bibliographic data to the client computer device of an e-file, and bibliographic data comprises several titles with corresponding content material; Preview requires the content pre-viewing requirement at a specific title of receiver module reception from the client computer device; Content material delivery module by properties preview requirement transmits the pairing certain content data of specific title to the client computer device.Wherein the certain content data can be deleted from the client computer device after being sent to a schedule time of client computer device.Server-side electronic file previewing system according to the invention described above also comprises an electronic document data storehouse, the bibliographic data of electronic document data storehouse stored electrons file, and the pairing content material of above-mentioned title.Server-side electronic file previewing system according to the invention described above also comprises an encrypting module, and encrypting module transmits the certain content data to the client computer device at the content material delivery module, earlier the certain content data is encrypted.In addition, the client computer device comprises a deciphering module, in order to the certain content data of encrypting is decrypted.
In addition, the invention provides another kind of client electronic file previewing system, comprise a bibliographic data display module, a preview requirement delivery module and a content material display module.The bibliographic data display module shows the bibliographic data of an e-file, bibliographic data system is transmitted by server system, bibliographic data comprises several titles with corresponding content material, the content pre-viewing that preview requires delivery module to transmit at a specific title requires to a server system, the content material display module shows by the pairing certain content data of the specific title that server system transmitted, server system is before transmitting the certain content data, earlier the certain content data is encrypted, the certain content data can be deleted after the content material display module shows a schedule time.Client electronic file previewing system according to the invention described above also comprises a deciphering module, and deciphering module is decrypted the certain content data of encrypting.Electronic file previewing system according to the invention described above also comprises a timing module, and timing module calculates the time that the certain content data is shown by the content material display module.Wherein when the content material display module does not show the certain content data, the timing module time out.Client electronic file previewing system according to the invention described above more comprises a removing module, and removing module is after the time that the certain content data is shown by the content material display module reaches a schedule time, deletion certain content data.
In addition, the present invention also provides a kind of server-side electronic file previewing method, comprises a bibliographic data convey program, preview requirement reception program and a content material convey program.The bibliographic data convey program transmits bibliographic data to the client computer device of an e-file, bibliographic data comprises several titles with corresponding content material, bibliographic data and the pairing content material of above-mentioned title are to be stored in the electronic document data storehouse, preview requires the content pre-viewing requirement at a specific title of reception program reception from the client computer device, content material convey program by properties preview requirement transmits the pairing certain content data of specific title to the client computer device.Wherein the certain content data can be deleted from the client computer device after being sent to a schedule time of client computer device.Also comprise an encipheror according to above-mentioned server-side electronic file previewing method.Encipheror is transmitting the certain content data to the client computer device at the content material convey program, earlier the certain content data is encrypted.In addition, the client computer device comprises a decrypted program, in order to the certain content data of encrypting is decrypted.
In addition, the present invention also provides another kind of client electronic file previewing method, comprises a bibliographic data display routine, a preview requirement convey program and a content material display routine.The bibliographic data display routine shows the bibliographic data of an e-file, bibliographic data is transmitted by server system, comprise several titles with corresponding content material, server system is before transmitting the certain content data, earlier the certain content data is encrypted, the content pre-viewing that preview requires convey program to transmit at a specific title requires to a server system, the content material display routine shows that by the pairing certain content data of the specific title that server system transmitted the certain content data can be deleted after the content material display routine shows a schedule time.Also comprise a decrypted program according to above-mentioned electronic file previewing method, decrypted program is decrypted the certain content data of encrypting.Also comprise a timing program according to above-mentioned client electronic file previewing method, timing program calculates the time that the certain content data is shown by the content material display routine.Wherein when the content material display routine does not show the certain content data, the timing program time out.Also comprise a delete program according to above-mentioned client electronic file previewing method, delete program be when the certain content data after the time that the content material display routine shows reaches a schedule time, delete the certain content data.
Because according to electronic file previewing system of the present invention is to provide the content of e-file to user's preview under network environment; and with certain preview time be restriction; and do not provide copy function and printing function; so the user can't duplicate or print the content of e-file, therefore can effectively protect the rights and interests of author and publisher.
In addition, according to electronic file previewing system of the present invention is electronic file content to be divided into bibliographic data select to offer the user, and then offer user's preview with the content material of each bibliographic data correspondence is complete, so can fully understanding electronic file content, the user whether buys this e-file with decision.
Description of drawings
Fig. 1 is the configuration diagram that shows according to the electronic file previewing system that is implemented on server-side and client of preferred embodiment of the present invention.
Fig. 2 is in the framework of electronic file previewing system shown in Figure 1, the configuration diagram of the data structure of the stored data of electronic databank.
Fig. 3 is the process flow diagram that shows according to the electronic file previewing method that is implemented on server-side of preferred embodiment of the present invention.
Fig. 4 is the process flow diagram that shows according to the electronic file previewing method that is implemented on client of preferred embodiment of the present invention.Number in the figure is described as follows: 1---the server-side electronic file previewing system.11---the bibliographic data delivery module.12---preview requires receiver module.13---the content material delivery module.14---the electronic document data storehouse.141---the bibliographic data of the The Romance of the Three Kingdoms.142---the 27 time content material of the The Romance of the Three Kingdoms.15---encrypting module.2---the client electronic file previewing system.21---the bibliographic data display module.22---preview requires delivery module.23---the content material display module.24---deciphering module.25---timing module.26---removing module.3---server-side electronic file previewing method.31---the bibliographic data convey program.32---preview requires the reception program.33---the content material convey program.34---encipheror.35---decrypted program.4---client electronic file previewing method.41---the bibliographic data display routine.42---preview requires convey program.43---decrypted program.44---the content material display routine.45---timing program.46---delete program.
Embodiment
Following according to Fig. 1～Fig. 4, provide the electronic file previewing system of preferred embodiment of the present invention, wherein identical assembly will be illustrated with identical reference marks.
Please refer to Fig. 1, the server-side electronic file previewing system 1 of preferred embodiment of the present invention comprises that mainly a bibliographic data delivery module 11, a preview require a receiver module 12 and a content material delivery module 3.In the present embodiment, native system transmits bibliographic data to the client electronic file previewing system 2 of an e-file by bibliographic data delivery module 11 via network, and bibliographic data comprises several titles, and above-mentioned title all has corresponding content material.
In the present embodiment, bibliographic data delivery module 11 adopts super word marking language (HTML) file to transmit bibliographic data, and each title is attached to the hyperlink of each corresponding content material in html file.As shown in Figure 2, the e-file that is transmitted when bibliographic data delivery module 11, during the bibliographic data of " The Romance of the Three Kingdoms " shown for " Luo Guanzhong ", because " The Romance of the Three Kingdoms " is 120 times the traditional Chinese novel with each chapter headed by a couplet giving the gist of its content, so the bibliographic data 141 of the The Romance of the Three Kingdoms is set at the html file with 120 hyperlinks, and each hyperlink corresponds to the content material that a chapter returns respectively.Content material then for having stored another html file that each chapter returns content, promptly stores the content of " The Romance of the Three Kingdoms " the 27 time " Beauty Beard's Riding Alone For Thousands Of Miles, Hanshou marquis five is closed and cut six generals " as the 27 time content material 142 of the The Romance of the Three Kingdoms.
Preview require receiver module 12 receive from client electronic file previewing system 2 at the requirement of one of specific title content pre-viewing.For example, when the user desired the content material of preview " The Romance of the Three Kingdoms " the 27 time " Beauty Beard's Riding Alone For Thousands Of Miles, the Hanshou marquis cuts six in five passes and incites somebody to action ", the user can click in the bibliographic data, and hyperlink is to the hyperlink of this content material.After the user clicks, client electronic file previewing system 2 promptly send at " The Romance of the Three Kingdoms " the 27 time " Beauty Beard's Riding Alone For Thousands Of Miles, Hanshou marquis five close cut six will " Hypertext Transport Protocol (HTTP) require with as the content pre-viewing requirement.It is to receive the content pre-viewing requirement that client electronic file previewing system 2 is sent via network that preview requires receiver module 12.
The 13 by properties preview requirements of content material delivery module transmit the pairing certain content data of specific title to client electronic file previewing system 2.For example, when preview requires receiver module 12 as mentioned above, receive after the aforesaid HTTP requirement, content material delivery module 13 is promptly according to this HTTP requirement, the html file of transmission " The Romance of the Three Kingdoms " the 27 time " Beauty Beard's Riding Alone For Thousands Of Miles, the Hanshou marquis cuts six in five passes and incites somebody to action " is to client electronic file previewing system 2.
In addition, the server-side electronic file previewing system 1 of preferred embodiment of the present invention also comprises an electronic document data storehouse 14, and the bibliographic data of electronic document data storehouse 14 stored electrons files is with the pairing content material of each title in the bibliographic data.For example, electronic document data storehouse 14 can be a SQL electronic database system, and it has stored 120 times content material of bibliographic data 141 and corresponding " The Romance of the Three Kingdoms " of the above-mentioned The Romance of the Three Kingdoms.So, after preview requirement receiver module 12 has received aforesaid HTTP requirement, content material delivery module 13 takes out corresponding certain content data, as the 27 time content material 142 of the The Romance of the Three Kingdoms promptly according to this HTTP requirement in electronic document data storehouse 14.In the present embodiment, electronic document data storehouse 14 can be stored in the pen recorder of any embodied on computer readable, for example Winchester disk drive, disk sheet, internal memory or erasable formula CD-ROM drive etc.
In addition, the server-side electronic file previewing system 1 of preferred embodiment of the present invention also comprises an encrypting module 15, encrypting module 15 is transmitting the certain content data to the client electronic file previewing system 2 at content material delivery module 13, earlier the certain content data is encrypted.Client electronic file previewing system 2 also comprises a deciphering module 24 corresponding with encrypting module 15, and it is decrypted the certain content data of encrypting.For example, encrypting module 15 can be a translation program module, and it can carry out a translation computing with a specific character string to each character in the content material, is converted to general browser with the certain content data that tendency to develop is sent and can't correctly understands its format of content.24 of deciphering modules are corresponding another one translation program module, and it carries out reverse bit arithmetic to this certain content data of encrypting with identical specific character string, so that the certain content data is reduced.So, if not through deciphering module 24 reduction, the user can't see the correct content of certain content data.
The certain content data can be deleted from the client computer device after being sent to a schedule time of client computer device.Relevant this partly will be illustrated in following content again.
Please refer to shown in Figure 1ly, the client electronic file previewing system 2 of preferred embodiment of the present invention comprises that mainly a bibliographic data display module 21, a preview require a delivery module 22 and a content material display module 23.In the present embodiment, native system shows the bibliographic data of an e-file that sends from a server-side electronic file previewing system 1 via network by bibliographic data display module 21, bibliographic data comprises several titles, and above-mentioned title all has corresponding content material.
In the present embodiment, with the above adopt the bibliographic data 141 of " The Romance of the Three Kingdoms " that html file transmits from server-side electronic file previewing system 1, be shown to the user by bibliographic data display module 21.
Preview requires delivery module 22 transmission to require to server-side electronic file previewing system 1 at one of specific title content pre-viewing.For example, the user desires preview " The Romance of the Three Kingdoms " the 27 time " Beauty Beard's Riding Alone For Thousands Of Miles; the Hanshou marquis cuts six in five passes and incites somebody to action ", so preview require delivery module 22 transmit at " The Romance of the Three Kingdoms " the 27 time " Beauty Beard's Riding Alone For Thousands Of Miles, Hanshou marquis five close cut six will " one of HTTP require to server-side electronic file previewing system 1 with as the content pre-viewing requirement.
Content material display module 23 shows the pairing certain content data of specific title of the encryption that is transmitted by server-side electronic file previewing system 1.For example, content material display module 23 will show the 27 time content material 142 of the The Romance of the Three Kingdoms " Beauty Beard's Riding Alone For Thousands Of Miles, the Hanshou marquis cuts six in five passes and incites somebody to action ".
In addition, the client electronic file previewing system 2 of preferred embodiment of the present invention also comprises a deciphering module 24, and deciphering module 24 and encrypting module 15 are corresponding, and it describes in detail as mentioned above so that the certain content data of encrypting is decrypted, so no longer set forth.
In addition, client electronic file previewing system 2 according to preferred embodiment of the present invention also comprises a timing module 25, timing module 25 calculates the certain content data in the time of content material display module 23 demonstrations, and when content material display module 23 does not show the certain content data, timing module 25 time outs.For example, in the present embodiment, timing module 25 is to be that unit calculates the time that content material display module 23 shows with the second in the mode that adds up, so when content material display module 23 has shown 30 seconds, the time of timing module 25 calculating is 30 seconds; When content material display module 23 time-outs showed 30 seconds, the time that timing module 25 calculates still was 30 seconds; When content material display module 23 continued again to have shown 20 seconds, the time that timing module 25 calculates was 50 seconds.
In addition, the client electronic file previewing system 2 of preferred embodiment of the present invention also comprises a removing module 26, removing module 26 be when the certain content data after the time that content material display module 23 shows reaches a schedule time, deletion certain content data.For example, in the present embodiment, the schedule time of setting is 20 seconds, so content material display module 23 shows the time of the 27 time content material 142 of the above-mentioned The Romance of the Three Kingdoms and has only 20 seconds, when the demonstration time reaches 20 seconds, the 27 time content material of the The Romance of the Three Kingdoms 142 can be deleted from client electronic file previewing system 2, if, the user desires to review and reads the 27 time content material 142 of the The Romance of the Three Kingdoms, except requiring delivery module 22 to transmit the content pre-viewing requirement via preview once more, just must pay and use.
Please refer to Fig. 3, the server-side electronic file previewing method 3 of preferred embodiment of the present invention comprises that mainly a bibliographic data convey program 31, a preview require a reception program 32 and a content material convey program 33.In the present embodiment, the bibliographic data that this method transmits an e-file via network by bibliographic data convey program 31 is to client, and bibliographic data comprises several titles, and above-mentioned title all has the content material of correspondence.Preview require reception program 32 receive from client at the requirement of one of specific title content pre-viewing.The 33 by properties preview requirements of content material convey program transmit the pairing certain content data of specific title to client.
In addition, in the server-side electronic file previewing method 3 of preferred embodiment of the present invention, the bibliographic data of e-file and the pairing content material of above-mentioned title are to be stored in the aforesaid electronic document data storehouse 14.
In addition, also comprise an encipheror 34 according to the server-side electronic file previewing method 3 of preferred embodiment of the present invention, it transmits the certain content data to the client at content material convey program 33, earlier the certain content data is encrypted.In addition, the client computer device comprises a decrypted program 43 corresponding with encipheror 34, and it is decrypted the certain content data of encrypting, wherein, the certain content data can be deleted from the client computer device after being sent to a schedule time of client computer device.
Please refer to Fig. 4, the client electronic file previewing method 4 of preferred embodiment of the present invention comprises that mainly a bibliographic data display routine 41, a preview require a convey program 42 and a content material display routine 44.In the present embodiment, native system shows that by bibliographic data display routine 41 bibliographic data comprises several titles via the bibliographic data of network from an e-file of server-side system transmission, and above-mentioned title all has corresponding content material.Preview requires convey program 42 transmission to require to the server-side system at one of specific title content pre-viewing.Content material display routine 44 shows the pairing certain content data of specific title of the encryption that is transmitted by the server-side system.
In addition, the client electronic file previewing method 4 of preferred embodiment of the present invention also comprises a decrypted program 43, and it is decrypted the certain content data of encrypting.
In addition, the client electronic file previewing method 4 of preferred embodiment of the present invention also comprises a timing program 45, it calculates the certain content data in the time that content material display routine 44 shows, and when content material display routine 44 does not show the certain content data, timing program 45 time outs.
In addition, the client electronic file previewing method 4 of preferred embodiment of the present invention also comprises a delete program 46, it be when the certain content data after the time that content material display routine 44 shows reaches a schedule time, deletion certain content data.
Anyly be familiar with this operator and all can carry out the modification of equivalence according to embodiments of the invention, and do not break away from its spirit and category above-mentioned.Therefore, the above only is an illustrative, rather than restricted.Any its spirit that do not break away from, all should be included in the claim of the present invention its equivalent modifications of carrying out or change with category.
Claims (24)
1. server-side electronic file previewing system comprises:
One bibliographic data delivery module, it transmits bibliographic data to the client computer device of an e-file, and this bibliographic data comprises several titles, and each these title all has corresponding content material; It is characterized in that also having:
One preview requires receiver module, its receive from this client computer device at the requirement of one of specific title content pre-viewing; And
One content material delivery module, it is according to this content pre-viewing requirement, and the certain content data that transmits this specific title correspondence is to this client computer device.
2. server-side electronic file previewing system according to claim 1 is characterized in that, also comprises
One electronic document data storehouse, it stores this bibliographic data of this e-file, with pairing these content material of these titles.
3. server-side electronic file previewing system according to claim 1 is characterized in that, comprises
One encrypting module, it transmits this certain content data to this client computer device at this content material delivery module, earlier this certain content data is encrypted.
4. according to the described server-side electronic file previewing system of claim 3, it is characterized in that this client computer device comprises a deciphering module, its certain content data to this encryption is decrypted.
5. server-side electronic file previewing system according to claim 1 is characterized in that, this certain content data can be deleted from this client computer device after being sent to one of this client computer device schedule time.
6. client electronic file previewing system comprises:
One bibliographic data display module, it shows the bibliographic data of an e-file, and this bibliographic data comprises several titles, and each these title all has corresponding content material; It is characterized in that also having:
One preview requires delivery module, and its content pre-viewing that transmits at a specific title requires to a server system; And
One content material display module, it shows by the pairing certain content data of this specific title that this server system transmitted.
7. according to claim 6 a client electronic file previewing system, it is characterized in that this bibliographic data is transmitted by this server system.
8. client electronic file previewing system according to claim 6 is characterized in that, this server system was encrypted this certain content data earlier before this certain content data of transmission.
9. described electronic file previewing system according to Claim 8 is characterized in that, also comprises
One deciphering module, its certain content data to this encryption is decrypted.
10. client electronic file previewing system according to claim 6 is characterized in that, also comprises
One timing module, it calculates the time of this certain content data in this content material display module demonstration.
11. client electronic file previewing system according to claim 10 is characterized in that, when this content material display module interrupts showing this certain content data, and this timing module time out.
12. client electronic file previewing system according to claim 10 is characterized in that, also comprises
One removing module, its when this certain content data after the time that this content material display module shows reaches a schedule time, delete this certain content data.
13. a server-side electronic file previewing method comprises:
One bibliographic data convey program, it transmits bibliographic data to the client computer device of an e-file, and this bibliographic data comprises several titles, and each these title all has corresponding content material;
One preview requires the reception program, its receive from this client computer device at the requirement of one of specific title content pre-viewing; And
One content material convey program, it transmits the pairing certain content data of this specific title to this client computer device according to this content pre-viewing requirement.
14. server-side electronic file previewing method according to claim 13 is characterized in that:
Pairing these content material of this bibliographic data of this e-file and these titles are stored in the electronic document data storehouse.
15. according to the described server-side electronic file previewing of claim 13 method, it is characterized in that, also comprise
One encipheror, it is transmitting this certain content data to this client computer device at this content material convey program, earlier this certain content data is encrypted.
16. server-side electronic file previewing method according to claim 15 is characterized in that this client computer device comprises a decrypted program, its certain content data to this encryption is decrypted.
17. server-side electronic file previewing method according to claim 13 is characterized in that, this certain content data can be deleted from this client computer device after being sent to one of this client computer device schedule time.
18. a client electronic file previewing method comprises:
One bibliographic data display routine, it shows the bibliographic data of an e-file, and this bibliographic data comprises several titles, and each these title all has corresponding content material;
One preview requires convey program, and it transmits at one of specific title content pre-viewing and requires to a server system; And
One content material display routine, it shows by the pairing certain content data of this specific title that this server system transmitted.
19., it is characterized in that this bibliographic data is transmitted by this server system according to the described client electronic file previewing of claim 18 method.
20., it is characterized in that this server system was encrypted this certain content data earlier according to the described client electronic file previewing of claim 18 method before this certain content data of transmission.
21. client electronic file previewing method according to claim 20 is characterized in that, comprises
One decrypted program, its certain content data to this encryption is decrypted.
22. client electronic file previewing method according to claim 18 is characterized in that, also comprises
One timing program, it calculates the time of this certain content data in this content material display routine demonstration.
23. client electronic file previewing method according to claim 22 is characterized in that, when this content material display routine interrupts showing this certain content data, and this timing program time out.
24. client electronic file previewing method according to claim 22 is characterized in that, also comprises
One delete program, its when this certain content data after the time that this content material display routine shows reaches a schedule time, delete this certain content data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01139838 CN1421800A (en) | 2001-11-30 | 2001-11-30 | Electronic file previewing system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01139838 CN1421800A (en) | 2001-11-30 | 2001-11-30 | Electronic file previewing system and method |
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| Publication Number | Publication Date |
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| CN1421800A true CN1421800A (en) | 2003-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 01139838 Pending CN1421800A (en) | 2001-11-30 | 2001-11-30 | Electronic file previewing system and method |
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| CN104954395A (en) * | 2014-03-24 | 2015-09-30 | 腾讯科技（深圳）有限公司 | Method and device for information push |
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| CN107809447A (en) * | 2016-09-08 | 2018-03-16 | 腾讯科技（深圳）有限公司 | A kind of processing method and relevant device of file transmission |
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2001
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