CN107577718A - A kind of method and system of the file synchronization of Dropbox server and terminal - Google Patents
A kind of method and system of the file synchronization of Dropbox server and terminal Download PDFInfo
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- CN107577718A CN107577718A CN201710682473.8A CN201710682473A CN107577718A CN 107577718 A CN107577718 A CN 107577718A CN 201710682473 A CN201710682473 A CN 201710682473A CN 107577718 A CN107577718 A CN 107577718A
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Abstract
The embodiment of the present invention provides a kind of method and system of file synchronization, and terminal scanning own files obtain the first bibliographic structure table；Terminal will be scanning and file corresponding to the first filename in the bibliographic structure table that terminal preserves is not sent to Dropbox server, and the bibliographic structure table preserved is updated to the first bibliographic structure table；Terminal request Dropbox server sends Dropbox server directory structure table；After terminal receives the bibliographic structure table that Dropbox server is sent, by the bibliographic structure table of Dropbox server compared with the first bibliographic structure table that terminal preserves；If comparative result includes different filenames respectively for the bibliographic structure table of Dropbox server from the first bibliographic structure table that terminal preserves, the file that terminal synchronization Dropbox server preserves is the file that terminal preserves, and the first bibliographic structure table that more new terminal preserves is Dropbox server directory structure table.Terminal and Dropbox server can be caused to be always maintained at management by synchronization file and fileinfo.
Description
Technical field
The present embodiments relate to the side of Internet technology, more particularly to the file synchronization of a kind of Dropbox server and terminal
Method and system.
Background technology
Dropbox, also known as Network U plate, network hard disc, it is by the online storage service of Internet firm's release, server room
Certain disk space is divided for user, the storage of file, access is provided for user's free of charge, backup, the file such as shares
The functions such as management, and possess advanced disaster-tolerant backup all over the world.User can regard Dropbox as one and be placed on network
Hard disk or USB flash disk, either at home, unit or it is other Anywhere, as long as being connected to internet, it is possible to read, manage,
Edit the file in Dropbox, it is not necessary to carry with, be not afraid of loss more.
With increasingly fierce and memory technology the continuous development of Dropbox market competition, traditional Dropbox technology has seemed
Unable to do what one wishes, the bottlenecks such as transmission speed is slow, redundancy backup and recovery capability are low, security is poor, operation costs are high annoying always
Dropbox enterprise.
The cloud computing storing technology of more recent application, new revolution is brought for Dropbox industry, traditional Dropbox will progressively by
Cloud storage substitutes.Cloud storage is data center of the structure in high speed distributed storage network, and it is by a large amount of inhomogeneities in network
The storage device of type gathers collaborative work by application software, the system for forming the data storage and access of a safety,
Suitable for a series of demands such as the storage of the data information of major medium-sized and small enterprises and personal user, backup, filings.
In general, terminal is come and Dropbox server by running the application program (Application, APP) of its installation
Interact, APP refers to the third party application of intelligent terminal installation, is referred to as " Mobile solution ".App clients (APP
Client the application client in terminal) is referred to, terminal is handed over by running App clients and the Dropbox server
Mutually, for example, the Miscellaneous Documents (such as audio file, video file, text file) that are preserved of terminal are to the Dropbox service
Device is sent, or receives the Miscellaneous Documents that the Dropbox server is sent, to reach terminal and Dropbox server interaction text
The purpose of part.
But current Dropbox server, the file that usually terminal is needed to be saved in Dropbox server are sent to
The Dropbox server, or terminal obtain the file needed from Dropbox server, but because terminal and Dropbox server do not have
There is holding synchronously, when terminal and the one of modification file of Dropbox server or file-related information, terminal and net can be caused
The file or information of disk server admin redundancy, it can not keep synchronous.
The content of the invention
The embodiment of the present invention provides a kind of method and system of the file synchronization of Dropbox server and terminal, can cause terminal
Management by synchronization file and fileinfo are always maintained at Dropbox server.
The method that an aspect of of the present present invention provides the file synchronization of a kind of Dropbox server and terminal, methods described include：
The terminal scanning own files obtain the first bibliographic structure table；
The terminal by it is scanning and not the terminal preserve bibliographic structure table in the first filename corresponding to
File is sent to the Dropbox server, and the bibliographic structure table preserved is updated to the first bibliographic structure table；
Dropbox server described in the terminal request sends the Dropbox server directory structure table；
After the terminal receives the bibliographic structure table that the Dropbox server is sent, by the institute of the Dropbox server
Bibliographic structure table is stated compared with the first bibliographic structure table that the terminal preserves；
If comparative result is the bibliographic structure table and described the first of terminal preservation of the Dropbox server
Bibliographic structure table includes different filenames respectively, and the terminal file that synchronously the Dropbox server preserves is the terminal
The file of preservation, and it is the Dropbox server directory structure table to update the first bibliographic structure table that the terminal preserves.
Alternatively, the terminal is compared the bibliographic structure table that the first bibliographic structure table preserves with the terminal
Compared with；
The bibliographic structure table that the terminal is preserved is updated to the first bibliographic structure table and specifically included：
The terminal will appear in the first bibliographic structure table and be not present in the bibliographic structure table that the terminal preserves
Information be added to the bibliographic structure table that the terminal preserves；
The terminal deletion appears in the bibliographic structure table that the terminal preserves and is not present in first bibliographic structure
The information of table；
The terminal retain in the bibliographic structure table that the terminal preserves not only appear in the first bibliographic structure table but also
Appear in the identical information for the bibliographic structure table that the terminal preserves.
Alternatively, if the institute that comparative result preserves for the bibliographic structure table of the Dropbox server with the terminal
State that All Files name that the first bibliographic structure table includes respectively is identical but other information is different, the terminal and the Dropbox service
For device without the synchronization of file, it is the Dropbox server mesh only to update the first bibliographic structure table that the terminal preserves
Directory structures table.
Alternatively, if the comparative result preserves for the bibliographic structure table of the Dropbox server with the terminal
The first bibliographic structure table include different filenames respectively, the terminal file that synchronously the Dropbox server preserves
The file preserved for the terminal specifically includes：
If the comparative result does not have for the second filename that the bibliographic structure table of the Dropbox server includes
Appear in the first bibliographic structure table that the terminal preserves, Dropbox server described in the terminal request is by second text
File corresponding to part name is sent to the terminal；
Do not have if the comparative result is the 3rd filename that the first bibliographic structure table that the terminal preserves includes
Occur in the bibliographic structure table of the Dropbox server, the terminal itself is deleting the 3rd filename correspondingly
File.
Alternatively, the bibliographic structure table and first catalogue that the first bibliographic structure table, the terminal preserve
Structure table includes：Identify (id) field, path (path) field, modification time (mtime) field and parent directory (parent)
Field, wherein, the id fields represent filename and represent file path, institute for the unique mark of file, the path fields
State mtime fields and represent the file Last modification time, the parent field records parent directory ID, the parent directory ID are
0 represents the file under root or root.
Another aspect of the present invention provides a kind of system of file synchronization, and the system includes：Dropbox server and terminal
The terminal, the first bibliographic structure table is obtained for scanning own files；Will be scanning and not in the terminal
File corresponding to the first filename in the bibliographic structure table of preservation is sent to the Dropbox server, and the catalogue preserved
Structure table is updated to the first bibliographic structure table；The Dropbox server is asked to send the Dropbox server directory structure
Table；
The Dropbox server, for sending the bibliographic structure table of the Dropbox server to the terminal；
The terminal is additionally operable to preserve the bibliographic structure table of the Dropbox server and the terminal described the
One bibliographic structure table is compared；If comparative result is protected for the bibliographic structure table of the Dropbox server with the terminal
The the first bibliographic structure table deposited includes different filenames respectively, and the file that the synchronous Dropbox server preserves is protected for it
The file deposited, and the first bibliographic structure table for updating its preservation is the Dropbox server directory structure table.
Alternatively, the terminal is additionally operable to enter in the bibliographic structure table that the first bibliographic structure table preserves with the terminal
Row compares；The information that will appear in the first bibliographic structure table and be not present in the bibliographic structure table that the terminal preserves adds
The bibliographic structure table preserved to the terminal；Delete and appear in the bibliographic structure table that the terminal preserves and be not present in described the
The information of one bibliographic structure table；Retain in the bibliographic structure table that the terminal preserves and both appear in the first bibliographic structure table
The identical information for the bibliographic structure table that the terminal preserves is appeared in again.
Alternatively, the terminal, is additionally operable to, if comparative result for the Dropbox server the bibliographic structure table with
The All Files name that the first bibliographic structure table that the terminal preserves includes respectively is identical but other information is different, and described
For Dropbox server without the synchronization of file, it is the Dropbox only to update the first bibliographic structure table that the terminal preserves
Server directory structure table.
Alternatively, the terminal, is additionally operable to, if the comparative result is the bibliographic structure of the Dropbox server
The second filename that table includes is not appeared in the first bibliographic structure table that the terminal preserves, and asks the Dropbox to take
File corresponding to second filename is sent to the terminal by business device；If the institute that the comparative result preserves for the terminal
The 3rd filename that stating the first bibliographic structure table includes is not appeared in the bibliographic structure table of the Dropbox server,
Itself delete file corresponding to the 3rd filename.
Alternatively, the bibliographic structure table and first catalogue that the first bibliographic structure table, the terminal preserve
Structure table includes：Identify (id) field, path (path) field, modification time (mtime) field and parent directory (parent)
Field, wherein, the id fields represent filename and represent file path, institute for the unique mark of file, the path fields
State mtime fields and represent the file Last modification time, the parent field records parent directory ID, the parent directory ID are
0 represents the file under root or root.
The method and system of the Dropbox server of foregoing description and the file synchronization of terminal, terminal and Dropbox service can make it that
Device is always maintained at management by synchronization file and fileinfo.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 be one embodiment of the invention a kind of Dropbox server and terminal file synchronization method flow schematic diagram；
Fig. 2 is a kind of bibliographic structure table structural representation of another embodiment of the present invention；
Fig. 3 is a kind of structural representation of the system of file synchronization of one embodiment of the invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The techniques described herein may be used in various communication systems, such as 2G, 3G, 4G communication system and next generation communication system
Unite (for example, 5G), such as global mobile communication (Global System forMobile Communication, GSM) system,
CDMA (Code Division MultipleAccess, CDMA) system, time division multiple acess (Time Division
MultipleAccess, TDMA) system, WCDMA (Wideband Code Division Multiple Access,
WCDMA) system, frequency division multiple access (Frequency Division MultipleAccess, FDMA) system, OFDM
(Orthogonal Frequency-Division Multiple Access, OFDMA) system, Single Carrier Frequency Division Multiple Access (SC-FDMA)
System, GPRS (General Packet Radio Service, GPRS) system, Long Term Evolution (Long
Term Evolution, LTE) system, and other such communication systems.Cdma system can realize that such as wireless universal land connects
Enter the radiotechnics such as (Universal Terrestrial RadioAccess, UTRA), CDMA2000.UTRA include broadband-
CDMA (WCDMA) and other CDMA variants.In addition, CDAM2000 covers IS-2000, IS-95 and IS-856 standard.TDMA system
The radiotechnics of global system for mobile communications (GSM) etc. can be achieved.OFDMA system can realize such as evolved universal terrestrial
Wireless access (Evolved-UMTS Terrestrial Radio Access, E-UTRA), Ultra-Mobile Broadband (Ultra
Mobile Broadband, UMB), IEEE802.11 (Wi-Fi), IEEE802.16 (WiMAX), IEEE802.20, Flash-
The radiotechnics such as OFDMA.UTRA and E-UTRA is UMTS (Universal Mobile
Telecommunication System, UMTS) a part.3GPP Long Term Evolutions (for example, LTE) are UMTS use E-
UTRA version, it can use OFDMA on the uplink, and can use SC-FDMA on uplink.UTRA、E-UTRA、
UMTS, LTE and GSM are described in the document of " third generation partnership project (3GPP) " tissue.In addition, CDAM2000 and UMB descriptions
In the document of " third generation partnership project 2 (3GPP2) " tissue.
Terminal device herein, can be that wireless terminal can also be catv terminal, wireless terminal can be directed to use
The equipment that family provides voice and/or data connectivity, there is the portable equipment of wireless connecting function or be connected to wireless-modulated
Other processing equipments of demodulator.Wireless terminal can be through wireless access network (RadioAccess Network, RAN) and one
Or multiple core nets are communicated, wireless terminal can be mobile terminal, such as mobile phone (or being " honeycomb " phone) and tool
There is the computer of mobile terminal, for example, it may be portable, pocket, hand-held, built-in computer or vehicle-mounted movement
Device, they exchange language and/or data with wireless access network.For example, PCS (Personal
Communication Service, PCS) phone, wireless phone, Session initiation Protocol (SIP) phone, WLL
(Wireless Local Loop, WLL) is stood, personal digital assistant (Personal Digital Assistant, PDA) etc. is set
It is standby.Wireless terminal is referred to as system, subscri er unit (Subscriber Unit), subscriber station (Subscriber
Station), movement station (Mobile Station), mobile station (Mobile), distant station (Remote Station), access point
(Access Point), remote terminal (Remote Terminal), access terminal (Access Terminal), user terminal
(UserTerminal), user agent (UserAgent) or user equipment (User Equipment).
The terms "and/or", only a kind of incidence relation for describing affiliated partner, expression may have three kinds of passes
System, for example, A and/or B, can be represented：Individualism A, while A and B be present, these three situations of individualism B.In addition, herein
Middle character "/", it is a kind of relation of "or" to typically represent forward-backward correlation object.In addition, the terms " system " and " network "
Often it is used interchangeably herein.
A kind of as shown in figure 1, method flow of the file synchronization of Dropbox server and terminal for one embodiment of the invention
Schematic diagram.
The Dropbox server and the terminal respectively preserve a bibliographic structure table, if the Dropbox server
Synchronized with the terminal, then the bibliographic structure table that the Dropbox server and the terminal preserve respectively is identical, if institute
Dropbox server and the terminal are stated also without synchronous, the then bibliographic structure that the Dropbox server and the terminal preserve respectively
Table may differ.
The Dropbox server can provide following function：The transmission of bibliographic structure table, the load of file, file upload, are literary
Establishment, the deletion of file or folder of part folder.
The bibliographic structure table can be with as shown in Fig. 2 show for a kind of bibliographic structure table structure of another embodiment of the present invention
It is intended to, the bibliographic structure table includes：Identify (id) field, path (path) field, modification time (mtime) field and father's mesh
Record (parent) field；The id fields represent filename and are the unique mark of file, for example, id fields are word document
Name, song title, movie name or pdf document name；The path fields represent file path, for example, the path fields are：Work
Make 2017；The mtime fields represent the file Last modification time, for example, the mtime fields are：2010 8
On the moon 4 20:39；The parent field records parent directory ID, the parent directory ID are under 0 expression root or root
File.
Step 101, the terminal scanning own files obtain the first bibliographic structure table.
The terminal starts the APP clients for above-mentioned Dropbox, and scanning is selected in the APP clients, according to sweeping
Retouch option scanning need file, for example, Scanning Options can be scanning word document, pdf document, audio file (such as
MP3) or video file (such as video file of AVI, mpeg format), the terminal scanning own files obtain current newest
First bibliographic structure table.
Step 102, the terminal by it is scanning and not the terminal preserve bibliographic structure table in the first file
File corresponding to name is sent to the Dropbox server, and the bibliographic structure table preserved is updated to first bibliographic structure
Table.
The terminal by the first bibliographic structure table scanned compared with its bibliographic structure preserved table, if described
First bibliographic structure table is as the bibliographic structure table that the terminal preserves, then the terminal does not update the bibliographic structure of its preservation
Table.
If the first bibliographic structure table and the bibliographic structure table that the terminal preserves are different, the terminal processes can
With as described below.
For example, the terminal will appear in the first bibliographic structure table and be not present in the catalogue knot that the terminal preserves
The information of structure table is added to the bibliographic structure table that the terminal preserves.
For example, the terminal deletion appears in the bibliographic structure table that the terminal preserves and is not present in first catalogue
The information of structure table.
For example, the terminal retains in the bibliographic structure table that the terminal preserves both appears in first bibliographic structure
Table appears in the identical information for the bibliographic structure table that the terminal preserves again.
In another embodiment of the invention, in order to reduce scanning and compare difficulty, the terminal is scanned using sectional lists
Mode, for example, the terminal scans root fileinfo first, the bibliographic structure table then preserved with it is contrasted
(namely literary name section parent be 0 file), if filename and Last modification time all as will stop scanning, such as
Fruit is different, first determines whether that different is filename or folder name.
If the terminal judges that different is filename, the terminal is according to following several situations, processing mode
Also it is different.
If the terminal is judged in the bibliographic structure table that the filename appears in its preservation, without appearing in
In the first bibliographic structure table, then the terminal deletes the correlation of the filename in its described bibliographic structure table preserved
Information, that is, update the bibliographic structure table.
If the terminal judges that the filename is not appeared in the bibliographic structure table of its preservation, and appears in institute
State in the first bibliographic structure table, then the terminal uploads file corresponding to the filename to the Dropbox server, and should
The related information of filename is added to the bibliographic structure table of the preservation, that is, updates the bibliographic structure table.
If the terminal is judged in the bibliographic structure table that the filename had both appeared in its preservation, institute is appeared in again
State in the first bibliographic structure table, but modification time is different, then the terminal is updated in the bibliographic structure table of the preservation
The modification time of file name is the modification time scanned.
If the terminal judges that different is folder name, the terminal is according to following several situations, processing side
Formula is also different.
If the terminal is judged in the bibliographic structure table that the folder name appears in its preservation, without occurring
In the first bibliographic structure table, then the terminal deletes the file famous prime minister in its described bibliographic structure table preserved
The information of pass, that is, update the bibliographic structure table.
If the terminal judges that the folder name is not appeared in the bibliographic structure table of its preservation, and appears in
In the first bibliographic structure table, then the terminal creates file corresponding to the folder name and this document is pressed from both sides into correlation
Information is added to the bibliographic structure table of the preservation, that is, updates the bibliographic structure table.
Step 103, Dropbox server described in the terminal request sends the Dropbox server directory structure table.
Step 104, after the terminal receives the bibliographic structure table that the Dropbox server is sent, the Dropbox is taken
The bibliographic structure table of business device is compared with the first bibliographic structure table that the terminal preserves.
Step 105, if the bibliographic structure table and terminal preservation of the comparative result for the Dropbox server
The first bibliographic structure table includes different filenames respectively, and its synchronous file preserved of the terminal is the Dropbox service
The file that device preserves, and it is the Dropbox server directory structure to update the first bibliographic structure table that the terminal preserves
Table.
In another embodiment of the invention, if comparative result for the Dropbox server the bibliographic structure table with
The All Files name that the first bibliographic structure table that the terminal preserves includes respectively is identical but other information is different, the end
With the Dropbox server without the synchronous of file, only updating the first bibliographic structure table that the terminal preserves is at end
The Dropbox server directory structure table.
In another embodiment of the invention, if the comparative result is the bibliographic structure of the Dropbox server
The second filename that table includes is not appeared in the first bibliographic structure table that the terminal preserves, the terminal request institute
State Dropbox server and file corresponding to second filename is sent to the terminal.
In another embodiment of the invention, if the comparative result is the first catalogue knot that the terminal preserves
The 3rd filename that structure table includes is not appeared in the bibliographic structure table of the Dropbox server, and the terminal is at it
Body deletes file corresponding to the 3rd filename.
To improve the efficiency of its bibliographic structure table of Dropbox server transport and being easier to make for comparing, the end
During the request of end, the request carries instruction, and the instruction is used to indicate that the Dropbox server is only returned only to catalogue structure tree.Institute
Stating terminal will be contrasted after the bibliographic structure table of the Dropbox server received with its own bibliographic structure table, such as
The bibliographic structure table that the bibliographic structure table and the terminal of Dropbox server described in fruit preserve is different, then judges different
Judgement be that filename or folder name are different.
If filename is different, then the terminal is also different according to following several situations, processing mode.
If the terminal is judged in the bibliographic structure table that different filename appears in the Dropbox server,
And do not appear in the bibliographic structure table that the terminal preserves, then described in the terminal request from Dropbox server download not
File corresponding to the same filename, and the related information of this document is increased into the bibliographic structure table that the terminal preserves, i.e., more
The bibliographic structure table that the new terminal preserves.
If the terminal judges that different filename does not appear in the bibliographic structure table of the Dropbox server
In, and appear in the bibliographic structure table that the terminal preserves, the terminal is corresponding in deletion different filename itself
File, and delete the related information of this document in the bibliographic structure table that the terminal preserves.
If the terminal is judged in the bibliographic structure table that filename had both appeared in the Dropbox server, occur again
In the bibliographic structure table that the terminal preserves, but modification time is different, and the terminal device only updates the terminal and preserved
Bibliographic structure table, the word will be updated in institute by the modification time of this document in the bibliographic structure table that preserves of the terminal
State the modification time of the bibliographic structure table of Dropbox server.
If folder name is different, the bibliographic structure table of the Dropbox server.
If the terminal judges that different folder name appears in the bibliographic structure table of the Dropbox server
In, and do not appear in the bibliographic structure table that the terminal preserves, then the terminal creates the different folder name pair
The file answered, and this document is pressed from both sides into the bibliographic structure table that related information increases to the terminal and preserve, that is, update the end
Hold the bibliographic structure table preserved.
If the terminal judges that different folder name does not appear in the bibliographic structure of the Dropbox server
In table, and appear in the bibliographic structure table that the terminal preserves, the terminal deletes the different folder name at itself
Corresponding file, and delete the related information of this document folder in the bibliographic structure table that the terminal preserves.
If the terminal is judged in the bibliographic structure table that folder name had both appeared in the Dropbox server, go out again
In the bibliographic structure table that the terminal preserves now, but modification time is different, and the terminal device, which only updates the terminal, to be protected
The bibliographic structure table deposited, will in the bibliographic structure table that preserves of the terminal file corresponding to this document folder name modification time
It is updated to the modification time that the word is clipped in the bibliographic structure table of the Dropbox server.
By above-mentioned synchronization, the terminal and the Dropbox server complete full content and the catalogue knot each preserved
Structure table is synchronous.
In another embodiment of the invention, the terminal can all ask most to the Dropbox server at regular intervals
New directory structure table keeps newest synchronization.
As shown in figure 3, the structural representation of the system for a kind of file synchronization of one embodiment of the invention, the file are same
The system of step includes terminal 31 and Dropbox server 32, and the terminal 31 and the Dropbox server 32 are between each other by various
GSM, WiFi or wire communication.
The Dropbox server 32 and the terminal 31 respectively preserve a bibliographic structure table, if the Dropbox takes
Business device 32 and the terminal 31 are synchronized, then the bibliographic structure table that the Dropbox server 32 and the terminal 31 preserve respectively
It is identical, if the Dropbox server 32 and the terminal 31 are also without synchronous, the Dropbox server 32 and the terminal
The 31 bibliographic structure tables preserved respectively may differ.
The Dropbox server 32 can provide following function：The transmission of bibliographic structure table, the load of file, file upload,
The establishment of file, the deletion of file or folder.
The bibliographic structure table can be with as shown in Fig. 2 show for a kind of bibliographic structure table structure of another embodiment of the present invention
It is intended to, the bibliographic structure table includes：Identify (id) field, path (path) field, modification time (mtime) field and father's mesh
Record (parent) field；The id fields represent filename and are the unique mark of file, for example, id fields are word document
Name, song title, movie name or pdf document name；The path fields represent file path, for example, the path fields are：Work
Make 2017；The mtime fields represent the file Last modification time, for example, the mtime fields are：2010 8
On the moon 4 20:39；The parent field records parent directory ID, the parent directory ID are under 0 expression root or root
File.
The terminal 31 obtains the first bibliographic structure table for scanning own files.
The terminal 31 is used to start the APP clients for above-mentioned Dropbox, and scanning is selected in the APP clients,
The file needed according to Scanning Options scanning, for example, Scanning Options can be scanning word document, pdf document, audio file
(such as MP3) or video file (such as video file of AVI, mpeg format), the terminal 31, which scans own files, to be worked as
Preceding the first newest bibliographic structure table.
The terminal 31 is used for scan and not the first file in the bibliographic structure table that the terminal 31 preserves
File corresponding to name is sent to the Dropbox server 32, and the bibliographic structure table preserved is updated to the first catalogue knot
Structure table.
The first bibliographic structure table that the terminal 31 is used to scan is compared with its bibliographic structure preserved table, such as
First bibliographic structure table described in fruit is as the bibliographic structure table that the terminal 31 preserves, then the terminal 31 does not update its preservation
Bibliographic structure table.
If the first bibliographic structure table and the bibliographic structure table that the terminal 31 preserves are different, at the terminal 31
Reason can be as described below.
For example, the terminal 31 is used to will appear in the first bibliographic structure table and be not present in the terminal 31 and preserve
The information of bibliographic structure table be added to the bibliographic structure table that the terminal 31 preserves.
Appear in the bibliographic structure table that the terminal 31 preserves for example, the terminal 31 is used to delete and be not present in described
The information of first bibliographic structure table.
For example, the terminal 31 is used in the bibliographic structure table that the terminal 31 preserves retain both to appear in described first
Bibliographic structure table appears in the identical information for the bibliographic structure table that the terminal 31 preserves again.
In another embodiment of the invention, in order to reduce scanning and compare difficulty, the terminal 31 is used to use subhead
The mode of scanning is recorded, for example, the terminal 31 scans root fileinfo first, the bibliographic structure table then preserved with it enters
Row contrast (namely literary name section parent be 0 file), if filename and Last modification time all as will stop
Scanning, if different, first determines whether that different is filename or folder name.
If the terminal 31 judges that different is filename, the terminal 31 is according to following several situations, processing
Mode is also different.
If the terminal 31 is used to judge that the filename is appeared in the bibliographic structure table that it is preserved, without
Appear in the first bibliographic structure table, then the terminal 31 deletes the file in its described bibliographic structure table preserved
The relevant information of name, that is, update the bibliographic structure table.
If the terminal 31 is used to judge that the filename is not appeared in the bibliographic structure table of its preservation, and goes out
In the present first bibliographic structure table, then the terminal 31 uploads file corresponding to the filename to the Dropbox server
32, and the related information of file name is added to the bibliographic structure table of the preservation, that is, update the bibliographic structure table.
If the terminal 31 is used to judge that the filename had both been appeared in the bibliographic structure table that it is preserved, go out again
In the present first bibliographic structure table, but modification time is different, then the terminal 31 updates the catalogue of the preservation
The modification time of file name is the modification time scanned in structure table.
If the terminal 31 is used to judge that different is folder name, the terminal 31 is according to following several feelings
Condition, processing mode are also different.
If the terminal 31 is used to judge that the folder name is appeared in the bibliographic structure table that it is preserved, and does not have
Occur in the first bibliographic structure table, then the terminal 31 deletes the text in its described bibliographic structure table preserved
The related information of part folder name, that is, update the bibliographic structure table.
If the terminal 31 is used to judge that the folder name is not appeared in the bibliographic structure table of its preservation, and
Appear in the first bibliographic structure table, then the terminal 31 creates file corresponding to the folder name and by this document
The related information of folder is added to the bibliographic structure table of the preservation, that is, updates the bibliographic structure table.
The terminal 31 is used to ask the Dropbox server 32 to send the bibliographic structure table of Dropbox server 32.
The terminal 31 is used for after receiving the bibliographic structure table that the Dropbox server 32 is sent, and the Dropbox is taken
The bibliographic structure table of business device 32 is compared with the first bibliographic structure table that the terminal 31 preserves.
If comparative result preserves described for the bibliographic structure table of the Dropbox server 32 with the terminal 31
First bibliographic structure table includes different filenames respectively, and its synchronous file preserved of the terminal 31 is the Dropbox server
32 files preserved, and it is the catalogue knot of Dropbox server 32 to update the first bibliographic structure table that the terminal 31 preserves
Structure table.
In another embodiment of the invention, if comparative result is the bibliographic structure table of the Dropbox server 32
The All Files name that the first bibliographic structure table preserved from the terminal 31 includes respectively is identical but other information is different, institute
Terminal 31 is stated with the Dropbox server 32 without the synchronous of file, only updates first mesh that the terminal 31 preserves
Directory structures table is the bibliographic structure table of Dropbox server 32.
In another embodiment of the invention, if the comparative result is the catalogue knot of the Dropbox server 32
The second filename that structure table includes is not appeared in the first bibliographic structure table that the terminal 31 preserves, the terminal 31
Ask the Dropbox server 32 that file corresponding to second filename is sent into the terminal 31.
In another embodiment of the invention, if the comparative result is first catalogue that the terminal 31 preserves
The 3rd filename that structure table includes is not appeared in the bibliographic structure table of the Dropbox server 32, the terminal 31
Itself deleting file corresponding to the 3rd filename.
The efficiency of its bibliographic structure table is transmitted for the raising Dropbox server 32 and is easier to make for comparing, it is described
When terminal 31 is asked, the request carries instruction, and the instruction is used to indicate that the Dropbox server 32 is only returned only to root knot
Paper mulberry.The terminal 31 by after the bibliographic structure table of the Dropbox server 32 received with its own bibliographic structure table
Contrasted, if the bibliographic structure table that the bibliographic structure table of the Dropbox server 32 preserves with the terminal 31 differs
Sample, then judge that different judgement is that filename or folder name are different.
If filename is different, then the terminal 31 is also different according to following several situations, processing mode.
If the terminal 31 judges that different filename appears in the bibliographic structure of the Dropbox server 32
In table, and do not appear in the bibliographic structure table that the terminal 31 preserves, then the terminal 31 is asked from the Dropbox server
32 download file corresponding to the different filenames, and the related information of this document is increased into the mesh that the terminal 31 preserves
Directory structures table, that is, update the bibliographic structure table that the terminal 31 preserves.
If the terminal 31 judges that different filename does not appear in the catalogue knot of the Dropbox server 32
In structure table, and appear in the bibliographic structure table that the terminal 31 preserves, the terminal 31 deletes the different text at itself
File corresponding to part name, and delete the related information of this document in the bibliographic structure table that the terminal 31 preserves.
If the terminal 31 is judged in the bibliographic structure table that filename had both appeared in the Dropbox server 32, again
Appear in the bibliographic structure table that the terminal 31 preserves, but modification time is different, and the equipment of terminal 31 only updates described
The bibliographic structure table that terminal 31 preserves, the modification time of this document it will be updated in the bibliographic structure table that preserves of the terminal 31
Modification time of the word in the bibliographic structure table of the Dropbox server 32.
If folder name is different, the bibliographic structure table of the Dropbox server 32.
If the terminal 31 judges that different folder name appears in the catalogue knot of the Dropbox server 32
In structure table, and do not appear in the bibliographic structure table that the terminal 31 preserves, then the terminal 31 creates the different text
File corresponding to part folder name, and this document is pressed from both sides into the bibliographic structure table that related information increases to the terminal 31 and preserve, i.e.,
Update the bibliographic structure table that the terminal 31 preserves.
If the terminal 31 judges that different folder name does not appear in the catalogue of the Dropbox server 32
In structure table, and appear in the bibliographic structure table that the terminal 31 preserves, the terminal 31 is deleted described different at itself
File corresponding to folder name, and delete the related information of this document folder in the bibliographic structure table that the terminal 31 preserves.
If the terminal 31 is judged in the bibliographic structure table that folder name had both appeared in the Dropbox server 32,
Appear in again in the bibliographic structure table that the terminal 31 preserves, but modification time is different, and the equipment of terminal 31 only updates institute
The bibliographic structure table of the preservation of terminal 31 is stated, will file corresponding to this document folder name in the bibliographic structure table that preserves of the terminal 31
The modification time of folder is updated to the modification time that the word is clipped in the bibliographic structure table of the Dropbox server 32.
By above-mentioned synchronization, the terminal 31 and the Dropbox server 32 complete full content and the mesh each preserved
Directory structures table is synchronous.
In another embodiment of the invention, the terminal 31 can all ask to the Dropbox server 32 at regular intervals
Latest list structure table is sought to keep newest synchronization.
The method and system of the Dropbox server of above-mentioned multiple embodiment descriptions and the file synchronization of terminal, can cause terminal
Management by synchronization file and fileinfo are always maintained at Dropbox server.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the module or
The division of unit, only a kind of division of logic function, can there are other dividing mode, such as multiple units when actually realizing
Or component can combine or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, institute
Display or the mutual coupling discussed or direct-coupling or communication connection can be by some interfaces, device or unit
INDIRECT COUPLING or communication connection, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use
When, it can be stored in a computer read/write memory medium.Based on such understanding, the technical scheme of the application is substantially
The part to be contributed in other words to prior art or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are causing a computer
It is each that equipment (can be personal computer, server, or network equipment etc.) or processor (processor) perform the application
The all or part of step of embodiment methods described.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage
(Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD
Etc. it is various can be with the medium of store program codes.
Described above, above example is only to illustrate the technical scheme of the application, rather than its limitations；Although with reference to before
Embodiment is stated the application is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of each embodiment technical scheme of the application.
Claims (10)
1. the method for the file synchronization of a kind of Dropbox server and terminal, it is characterised in that methods described includes：
The terminal scanning own files obtain the first bibliographic structure table；
The terminal by it is scanning and not the terminal preserve bibliographic structure table in the first filename corresponding to file
The Dropbox server is sent to, and the bibliographic structure table preserved is updated to the first bibliographic structure table；
Dropbox server described in the terminal request sends the Dropbox server directory structure table；
After the terminal receives the bibliographic structure table that the Dropbox server is sent, by the mesh of the Dropbox server
Directory structures table is compared with the first bibliographic structure table that the terminal preserves；
If first catalogue that comparative result preserves for the bibliographic structure table of the Dropbox server with the terminal
Structure table includes different filenames respectively, and the terminal file that synchronously the Dropbox server preserves preserves for the terminal
File, and it is the Dropbox server directory structure table to update the first bibliographic structure table that the terminal preserves.
2. the method as described in claim 1, it is characterised in that methods described also includes：
The terminal is by the first bibliographic structure table compared with the bibliographic structure table that the terminal preserves；
The bibliographic structure table that the terminal is preserved is updated to the first bibliographic structure table and specifically included：
The terminal will appear in the first bibliographic structure table and be not present in the letter for the bibliographic structure table that the terminal preserves
Breath is added to the bibliographic structure table that the terminal preserves；
The terminal deletion appears in the bibliographic structure table that the terminal preserves and is not present in the first bibliographic structure table
Information；
The terminal retains in the bibliographic structure table that the terminal preserves not only to be appeared in the first bibliographic structure table but also occurs
In the identical information for the bibliographic structure table that the terminal preserves.
3. the method as described in claim 1, it is characterised in that methods described also includes：
If first catalogue that comparative result preserves for the bibliographic structure table of the Dropbox server with the terminal
The All Files name that structure table includes respectively is identical but other information is different, and the terminal is with the Dropbox server without text
The synchronization of part, it is the Dropbox server directory structure table only to update the first bibliographic structure table that the terminal preserves.
4. the method as described in claim 1, it is characterised in that if the comparative result is the described of the Dropbox server
Bibliographic structure table includes different filenames respectively from the first bibliographic structure table that the terminal preserves, and the terminal is synchronous
The file that the Dropbox server preserves specifically includes for the file that the terminal preserves：
If the comparative result does not occur for the second filename that the bibliographic structure table of the Dropbox server includes
In the first bibliographic structure table that the terminal preserves, Dropbox server described in the terminal request is by second filename
Corresponding file is sent to the terminal；
Do not go out if the comparative result is the 3rd filename that the first bibliographic structure table that the terminal preserves includes
In the bibliographic structure table of the present Dropbox server, the terminal itself is deleting text corresponding to the 3rd filename
Part.
5. the method as described in claim 1-4 any one, it is characterised in that the first bibliographic structure table, the terminal
The bibliographic structure table and the first bibliographic structure table preserved includes：When identifying id fields, path path fields, modification
Between mtime fields and parent directory parent fields, wherein, the id fields represent filename and for the unique mark of file, institutes
State path fields and represent file path, the mtime fields represent file Last modification time, the parent fields note
Record parent directory ID, the parent directory ID are the file under 0 expression root or root.
6. a kind of system of file synchronization, it is characterised in that the system includes：Dropbox server and terminal
The terminal, the first bibliographic structure table is obtained for scanning own files；By it is scanning and not the terminal preserve
Bibliographic structure table in the first filename corresponding to file be sent to the Dropbox server, and the bibliographic structure preserved
Table is updated to the first bibliographic structure table；The Dropbox server is asked to send the Dropbox server directory structure table；
The Dropbox server, for sending the bibliographic structure table of the Dropbox server to the terminal；
The terminal is additionally operable to first mesh for preserving the bibliographic structure table of the Dropbox server and the terminal
Directory structures table is compared；If comparative result preserves for the bibliographic structure table of the Dropbox server with the terminal
The first bibliographic structure table includes different filenames respectively, and the file that the synchronous Dropbox server preserves is its preservation
File, and the first bibliographic structure table for updating its preservation is the Dropbox server directory structure table.
7. system as claimed in claim 6, it is characterised in that the terminal is additionally operable to the first bibliographic structure table and institute
The bibliographic structure table for stating terminal preservation is compared；It will appear in the first bibliographic structure table and be not present in the terminal and protect
The information for the bibliographic structure table deposited is added to the bibliographic structure table that the terminal preserves；Delete and appear in the mesh that the terminal preserves
Directory structures table and be not present in the information of the first bibliographic structure table；Retain both in the bibliographic structure table that the terminal preserves
Appear in the identical information that the first bibliographic structure table appears in the bibliographic structure table that the terminal preserves again.
8. system as claimed in claim 6, it is characterised in that the terminal, be additionally operable to, if comparative result is the Dropbox
The All Files name that the first bibliographic structure table that the bibliographic structure table of server preserves with the terminal includes respectively
Identical but other information is different, with the Dropbox server without the synchronous of file, only updates the institute that the terminal preserves
It is the Dropbox server directory structure table to state the first bibliographic structure table.
9. system as claimed in claim 6, it is characterised in that the terminal, be additionally operable to, if the comparative result is described
The second filename that the bibliographic structure table of Dropbox server includes does not appear in first mesh that the terminal preserves
In directory structures table, ask the Dropbox server that file corresponding to second filename is sent into the terminal；It is if described
Comparative result is that the 3rd filename that the first bibliographic structure table that the terminal preserves includes does not appear in the Dropbox
In the bibliographic structure table of server, file corresponding to the 3rd filename itself is being deleted.
10. the system as described in claim 6-9 any one, it is characterised in that the first bibliographic structure table, the terminal
The bibliographic structure table and the first bibliographic structure table preserved includes：When identifying id fields, path path fields, modification
Between mtime fields and parent directory parent fields, wherein, the id fields represent filename and for the unique mark of file, institutes
State path fields and represent file path, the mtime fields represent file Last modification time, the parent fields note
Record parent directory ID, the parent directory ID are the file under 0 expression root or root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710682473.8A CN107577718A (en) | 2017-08-10 | 2017-08-10 | A kind of method and system of the file synchronization of Dropbox server and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710682473.8A CN107577718A (en) | 2017-08-10 | 2017-08-10 | A kind of method and system of the file synchronization of Dropbox server and terminal |
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| Publication Number | Publication Date |
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| CN107577718A true CN107577718A (en) | 2018-01-12 |
Family
ID=61034553
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|---|---|---|---|
| CN201710682473.8A Pending CN107577718A (en) | 2017-08-10 | 2017-08-10 | A kind of method and system of the file synchronization of Dropbox server and terminal |
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