CN101729595A - Network backup device and backup method thereof - Google Patents
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- CN101729595A CN101729595A CN200910153925A CN200910153925A CN101729595A CN 101729595 A CN101729595 A CN 101729595A CN 200910153925 A CN200910153925 A CN 200910153925A CN 200910153925 A CN200910153925 A CN 200910153925A CN 101729595 A CN101729595 A CN 101729595A
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Abstract
The invention relates to a network backup device and a backup method thereof. The device comprises a client and a network end, wherein the client comprises a local working unit, a backup processing unit and a local backup unit, the network end comprises a server backup unit and a WEB application unit, the backup processing unit detects a local working file and uploads a new local working file into a server backup catalogue if discovering that the local working file has a change, and the WEB application unit calls an API provided by the backup processing unit, stores a content in an appointed domain on an appointed WEB interface in the local backup unit and restores a WEB interface content which is temporarily stored in the local backup unit into a corresponding domain. The network backup device and the method can realize that the local file is automatically and temporarily stored in the local as the network backup and the WEB interface content and supplied for restoring when abnormally losing so as to avoid influence to work caused by storing problems and greatly enhance the working efficiency.
Description
Technical field
The present invention relates to computer technology and web-information technology, relate in particular to a kind of network backup device and backup method thereof.
Background technology
We usually can run into following problem in routine office work:
1. the file on the unit's of being kept at computer does not copy that going home causes being in can't work on, and the original document of labor turnover can't find, and local file damages because of carelessness, can't give for change.
To in the office content of filling on the web owing to reason information dropouts when submitting to such as network interrupt, authentication is expired, can't submit to.After treating that network recovery is normal, information can't be given for change, thereby can't normally submit to once more.As write the WEB Mail Contents, often the time long, authenticate expiredly sometimes, cause being submitted to failure, and submitting to failure back content to give for change after Mail Contents writes.
The mode that present network backup product is taked usually is that this locality edits document, and user's active upload file is to server.This mode can solve the subscriber's local document lose after, can give for change from server, but need user's active upload file, otherwise can't achieve the goal, this is a very big burden to the user who often carries out document function.
It is unidirectional that existing network backup product is finished, and promptly from the local backup to the server, and the content of operating on server has no idea to backup to this locality, thereby network interrupts, authentication is expired etc. causes the information dropout problem to solve unusually.
Summary of the invention
The objective of the invention is to address the above problem, proposed a kind of local file of can realizing and be temporary in network backup equipment and the backup method that recovers when this locality supplies to lose unusually from trend network backup and WEB interface content.
To achieve these goals, the present invention proposes a kind of network backup device, comprise client and network terminal, client comprises local working cell, back-up processing unit and local backup unit, and network terminal comprises server backup unit and WEB applying unit; Local working cell is used to deposit the local working document under local working directory and the local working directory; The server backup unit be used to deposit with local working directory corresponding server backup directory and with local working document corresponding server backup file; The back-up processing unit is used for local working document is detected, and changes if find local working document, then new local working document is uploaded onto the server in the backup directory, and API is provided; The WEB applying unit calls this API, and the content in the specified domain is stored in the local backup unit and the WEB interface content that is temporarily stored in the local backup unit is returned to corresponding domain on the WEB interface with specifying.
The invention allows for a kind of network backup method, comprise that local working document backs up part to the network terminal backup part and the WEB network information to client; Local working document comprises that to network terminal backup part set local working directory in the local working cell of client, the back-up processing unit is set up and local working directory corresponding server backup directory in the server backup unit of network terminal; The back-up processing unit detects the local working document under the local working directory, changes if find local working document, then new local working document is uploaded onto the server in the backup directory; The WEB network information comprises to client backup part, the WEB applying unit calls the API that the back-up processing unit provides when submitting the WEB list to, WEB list relevant information is saved in the local backup unit, submit the WEB list to if fail, then described WEB applying unit calls the API that the back-up processing unit provides when recovering, and the WEB list relevant information that the local backup unit is preserved returns to corresponding domain.
Adopt network backup device provided by the invention and network backup method, the content that the document that provides the user to write in this locality is operated on the trend network backup and the WEB page is temporary in the function of recovering when this locality supplies to lose unusually, effectively solved the network backup problem, comprised that local file is to network backup and the network information problem to local backup two aspects.The user only is concerned about action, need not to consider the latest edition problem of position, mode and the file stored, makes the user avoid having improved operating efficiency greatly because of storage problem causes influence to work.
Description of drawings
Fig. 1 is the structured flowchart of network backup device of the present invention.
Below in conjunction with accompanying drawing the present invention is described in detail.
Embodiment
Referring to Fig. 1, network backup device of the present invention is taked C/S (client/service end) structure, comprises client 1 and network terminal 2.Client 1 can be PC, PDA (personal digital assistant), palmtop PC or the mobile phone etc. with function of surfing the Net.Client 1 comprises local working cell 11, back-up processing unit 12 and local backup unit 13, and network terminal 2 comprises server backup unit 21 and WEB applying unit 22.
Local working cell 11 is used to deposit the local working document under local working directory and the local working directory.Server backup unit 21 be used for depositing with the local working directory corresponding server backup directory of local working cell 11 and with local working document corresponding server backup file.It is local working directory that the user sets local a certain specified folder, and then back-up processing unit 12 is created a corresponding server backup directory in the server backup unit 21 of network terminal 2 for this user automatically.Back-up processing unit 12 is used for detecting automatically the local working document of local working cell 11, finds that local working document changes, the server backup catalogue of the backup units 21 of then automatically new local working document being uploaded onto the server.
Back-up processing unit 12 can adopt dual mode to come local working document is detected.Wherein a kind of mode is, the local working document of intercepting in the local working cell 11 changes incident, captures the change backup units 21 of then local working document being uploaded onto the server.It can be the change of local working document time that local working document changes incident, for example, constantly local working document is revised at 2009-9-17 12:12:12, and then the time of local working document becomes 2009-9-17 12:12:12.
Another kind of mode is, back-up processing unit 12 regularly scans the local working document in the local working cell 11, server backup file in the server backup unit 21 of scanning result and network terminal 2 is compared, in case find that version is variant then carry out file synchronization, the backup units 21 of also promptly automatically the local working document of latest edition being uploaded onto the server.Difference in version is relatively mainly by consistent identification the whether of the server backup document time under more local working document time and the active state.The state of server backup file is divided into activity, uploads and historical three kinds.When back-up processing unit 12 detects local working document in the local working cell 11 and changes, local working document is uploaded to the server backup unit 21 of network terminal, file before transmission is not finished fully for " uploading " file, the upload file title of this moment file name back that works in this locality increases transmission identification suffix " .tra ", and file status is " uploading "; When network terminal is complete receive the file of uploading back-up processing unit 12 after, before backed up, file status is revised as old version for the server backup file of " activity " mode by interpolation " .bck " suffix, file status is by " activity " displacement " history ", and the removal of the file name suffix " .tra " of " uploading " file, file status is revised as " activity " by " uploading ", and the backup file time is consistent with the local file time.Give a concrete illustration below and be described further.For example, at a time, its corresponding server backup file of local working document A (2009-9-17 12:12:12) is A (2009-9-17 12:12:12, activity).In the literal expression of this example, local working document is expressed as " filename (document time) ", and the server backup file is expressed as " filename (document time, file status) ".2009-9-1812:12:12 after one day constantly, the user changes local working document A (2009-9-17 12:12:12), local working document becomes A (2009-9-18 12:12:12), also is that document time becomes 2009-9-18 12:12:12.Back-up processing unit 12 detects server backup file A (2009-9-17 12:12:12, movable) inconsistent with local working document A (2009-9-18 12:12:12) time, then the local working document A (2009-9-18 12:12:12) of new change is uploaded to server backup unit 21, the file of last crossing is A.tra (2009-9-18 12:12:12 uploads).After file is uploaded fully, file A.tra (2009-9-18 12:12:12, upload) become new server backup file A (2009-9-18 12:12:12, movable), previous server backup file A (2009-9-17 12:12:12, activity) becomes A (2009-9-17 12:12:12, history).
Back-up processing unit 12 also provides API (application programming interfaces), and the content in the specified domain is stored in local backup unit 13 and obtains the WEB interface content that will recover from local backup unit 13 on the WEB interface with specifying.WEB applying unit 22 is used by one or more WEB and is formed, and has called the API that back-up processing unit 12 provides in the WEB interface of these application, so that realize the temporary and recovery of WEB job information.Local backup unit 13 is used to deposit WEB job information content.
Back-up processing unit 12 externally provides the API that calls for the WEB interface mainly to comprise and has preserved function 121, has recovered function 122, kept in information deletion function 123 and outdated information deletion function 124.The WEB interface is to call by JavaScript in submit button to preserving calling of function 121, and the JavaScript execution is in client executing, can be carry out carrying out before mutual with network terminal, so just can guarantee network unusually, authenticate under the abnormal case such as expired and also can preserve information.
Preserving function 121 is used for WEB list relevant information is saved in local backup unit 13 to carry out buffer memory.Domain name in the WEB list that this WEB list relevant information comprises user ID, will preserve claims the information content that the user fills in the specified domain title in (as Mail Contents " mailbody ", mail header " mailsubject " etc.) and the WEB list.The user is fill message in the web list, filled in the back preservation function 121 that WEB applying unit 22 calls in the back-up processing unit 12 automatically when submitting to, the WEB list relevant information of appointment is written to local backup unit 13, thereby the WEB list relevant information of appointment is backuped to client 1.
Recover function 122 and be used for the WEB list relevant information that local backup unit 13 is preserved is returned to corresponding domain, in being resumed operation, call usually.Can adopt two kinds of method of calling, one is realized each temporary information content last time that loads automatically for to call in the loading procedure of WEB list; It needs the user manually to carry out " recovery " operation two for to call in the action button of " recovery " like this, just can recover temporary information last time.Treat that network is unusual or authenticate unusual remover such as expired to recover just often, the user selects to recover information last time, and WEB applying unit 22 calls automatically and recovers function 122, and temporary information to local backup unit 13 is returned to corresponding domain.
Temporary information deletion function 123 is used for the temporary information of the local designated user that leaves local backup unit 13 in is emptied, and calls after the user submits the success of WEB list to usually.After the WEB list is successfully submitted to, just do not need in local backup unit 13, to preserve these information, by calling the memory space that temporary information deletion function 123 discharges client yet.
Outdated information deletion function 124 is used for the overtime temporary information of the local cache of local backup unit 13 is emptied, and can regularly initiate to remove expired temporary information by back-up processing unit 12.It is unusual or authenticate abnormal conditions such as expired and fail when submitting to that user's fill message in the WEB list runs into network; WEB applying unit 22 calls the preservation function 121 in the back-up processing unit 12 automatically; the form information content of appointment is written to local backup unit 13; these information temporary caches treat that unusual removal system recovers just often to recover in local backup unit 13.After the recovery, these temporary information do not need to preserve in local backup unit 13 yet, by calling the memory space that outdated information deletion function 124 discharges client.
The network backup method that the present invention uses above-mentioned network backup device comprises that client file backs up this two parts to the network terminal backup and the WEB network information to client.
Client file is set up local working directory to the method for network terminal backup in the unit 11 that works in this locality earlier, and back-up processing unit 12 is created a corresponding server backup directory in the server backup unit 21 of network terminal for this user automatically.The a certain specified folder that the user can set client is local working folder.Need the local working document of backup to leave in the local working directory.Local working document in 12 pairs of local working cells 11, back-up processing unit detects then, changes then the upload onto the server server backup catalogue of backup units 21 of new local working document if find local working document.In this step, back-up processing unit 12 can adopt dual mode to come local working document is detected, wherein a kind of mode is: the local working document of intercepting in the local working cell 11 changes incident, captures the change backup units 21 of then local working document being uploaded onto the server.Another kind of mode is: back-up processing unit 12 regularly scans the local working document in the local working cell 11, with comparing of the server backup file in the server backup unit 21 of scanning result and network terminal 2, in case find that version is variant then carry out file synchronization, the backup units 21 of also promptly automatically the local working document of latest edition being uploaded onto the server.Relatively mainly by consistent identification the whether of the server backup document time under more local working document time and the active state, then version is identical as if the time unanimity, and is inequality as if inconsistent then version of time for difference in version.
We usually run into such situation in real work, after a local working document is revised through several times, and file that do not revise before need giving for change or which time modification.Server backup of the present invention unit 21 is preserved all previous backup file get off, and can carry out craft and get access to old version as the latest document version.
The WEB network information is to the client backup method, user's fill message in the WEB list at first, WEB applying unit 22 calls the preservation function 121 of this accessing API automatically when the user submits the WEB list to, the WEB list relevant information of appointment is written to local backup unit 13, thereby the WEB network information is backuped to client.Usually in the submit button operation, call and preserve function 121.If do not occur unusually, the user can successfully submit the WEB list to, then submits to end back WEB applying unit 22 to call temporary information deletion function 123 at the WEB list, the current temporary information deletion in the local backup unit 13, with the release memory space.If it is unusual or authenticate abnormal conditions such as expired network to occur; WEB list relevant information is temporarily stored in the local backup unit 13; treat that unusual eliminating recovers just often; the user selects to recover information last time; WEB applying unit 22 calls automatically and recovers function 122, recovers to be temporarily stored in the information of local backup unit 13.Can adopt two kinds of method of calling, one is realized each temporary information content last time that loads automatically for to call in the loading procedure of WEB list; It needs the user manually to carry out " recovery " operation two for to call in the action button of " recovery " like this, just can recover temporary information last time.In order to discharge the storage area of client, can set certain holding time, for example ten days, outdated information deletion function 124 was regularly the temporary information deletion that surpasses the holding time.Can regularly initiate clear command by back-up processing unit 12 to outdated information deletion function 124.
Claims (14)
1. a network backup device comprises client and network terminal, it is characterized in that, described client comprises local working cell, back-up processing unit and local backup unit, and described network terminal comprises server backup unit and WEB applying unit, wherein:
Described local working cell is used to deposit the local working document under local working directory and the local working directory;
Described server backup unit be used to deposit with described local working directory corresponding server backup directory and with described local working document corresponding server backup file;
Described back-up processing unit is used for described local working document is detected, if find that described local working document changes, then new local working document is uploaded in the described server backup catalogue, and API is provided;
Described WEB applying unit calls described API, and the content in the specified domain is stored in described local backup unit and the WEB interface content that is temporarily stored in described local backup unit is returned to corresponding domain on the WEB interface with specifying.
2. network backup device according to claim 1 is characterized in that, described back-up processing unit is intercepted described local working document and changed incident, captures the change backup units of then new local working document being uploaded onto the server.
3. network backup device according to claim 1, it is characterized in that, described back-up processing unit regularly compares described local working document and described server backup file, in case find that the server backup document time under local working document time and the active state is inconsistent, the backup units of then new local working document being uploaded onto the server.
4. network backup device according to claim 1, it is characterized in that, described back-up processing unit comprises to be preserved function and recovers function, described WEB applying unit calls described preservation function so that WEB list relevant information is saved in described local backup unit when submitting the WEB list to, submit the WEB list to if fail, then described WEB applying unit calls described recovery function and returns to corresponding domain with the WEB list relevant information that the local backup unit is preserved when recovering.
5. network backup device according to claim 4, it is characterized in that, described back-up processing unit comprises temporary information deletion function, and described temporary information deletion function empties the temporary information of the local designated user that is temporarily stored in the local backup unit after successfully submitting the WEB list to.
6. network backup device according to claim 5 is characterized in that, described back-up processing unit comprises outdated information deletion function, and described outdated information deletion function regularly empties the overtime temporary information of the local cache in the described local backup unit.
7. a network backup method is characterized in that, described method comprises that local working document backs up part to the network terminal backup part and the WEB network information to client, wherein,
Described local working document comprises to network terminal backup part:
Local working directory is set in local working cell in client, and the back-up processing unit is set up and described local working directory corresponding server backup directory in the server backup unit of network terminal;
The back-up processing unit detects the local working document under the described local working directory, if find that described local working document changes, then new local working document is uploaded in the described server backup catalogue;
The described WEB network information comprises to client backup part:
The WEB applying unit calls the API that the back-up processing unit provides when submitting the WEB list to, WEB list relevant information is saved in the local backup unit, submit the WEB list to if fail, then described WEB applying unit calls the API that the back-up processing unit provides when recovering, and the WEB list relevant information that the local backup unit is preserved returns to corresponding domain.
8. network backup method according to claim 7, it is characterized in that, described back-up processing unit comes local working document is detected in the mode of intercepting local working document and changing incident, captures the change backup units of then new local working document being uploaded onto the server.
9. network backup method according to claim 7, it is characterized in that, described back-up processing unit regularly compares described local working document and described server backup file, in case find that the server backup document time under local working document time and the active state is inconsistent, the backup units of then new local working document being uploaded onto the server.
10. network backup method according to claim 9 is characterized in that, the old version of server backup file is kept in the server backup unit, can obtain described old version by hand as the latest document version.
11. network backup method according to claim 7, it is characterized in that, described back-up processing unit comprises to be preserved function and recovers function, described WEB applying unit calls described preservation function so that WEB list relevant information is saved in described local backup unit when submitting the WEB list to, submit the WEB list to if fail, then described WEB applying unit calls described recovery function and returns to corresponding domain with the WEB list relevant information that the local backup unit is preserved when recovering.
12. network backup method according to claim 11 is characterized in that, described WEB applying unit calls described recovery function when carrying out the recovery operation button.
13. network backup method according to claim 11, it is characterized in that, described back-up processing unit comprises temporary information deletion function, and described temporary information deletion function empties the temporary information of the local designated user that is temporarily stored in the local backup unit after successfully submitting the WEB list to.
14. network backup method according to claim 13 is characterized in that, described back-up processing unit comprises outdated information deletion function, and described outdated information deletion function regularly empties the overtime temporary information of the local cache in the described local backup unit.
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