CN106302753A - The method and system of client-side program incremental update - Google Patents
The method and system of client-side program incremental update Download PDFInfo
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- CN106302753A CN106302753A CN201610686230.7A CN201610686230A CN106302753A CN 106302753 A CN106302753 A CN 106302753A CN 201610686230 A CN201610686230 A CN 201610686230A CN 106302753 A CN106302753 A CN 106302753A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
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Abstract
The invention provides the method and system of a kind of client-side program incremental update, including: the program of client is split into plural module；Service end calculates the difference of the file bag of the module of new and old edition, generates and includes updating operating list and the corresponding incremental update bag updating file；Client is according to the latest edition number of the module in the name acquiring service end of module；If described latest edition number is different from the version number of the module of client, then client obtains the incremental update bag needed for described module according to described title and latest edition number；Decompress described incremental update bag, obtain updating file and updating operating list；If the action type in described renewal operating list is incremental update, then the original of described renewal file Yu described module is carried out difference calculating, generate new renewal file, and new is updated under the temp directory that file preservation to client is preset；Described temporary catalog file is covered in the program directory of client.
Description
Technical field
The present invention relates to field of computer technology, particularly relate to the method and system of a kind of client-side program incremental update.
Background technology
Along with the development of SmartClient, the various programs being applicable to client are arisen at the historic moment.General program all possesses
Automatically updating function, it is common that the renewal bag on a corresponding server of more redaction, when program updates, client should
Renewal bag downloads, and then carries out covering and replaces, completes to update.It is but if the content of this version updating is more, the most right
The renewal bag answered will be bigger, needs to take a substantial amount of time down loading updating bag, and Consumer's Experience sense is poor.
The Chinese patent of Publication No. CN 104899057A proposes the update method of a kind of software module, including: load
Multiple access request of software module carry out serializing process, the request queue after being serialized, wherein, the plurality of visit
Ask request include for instruction described software module is updated more newly requested；By single thread successively from described sequence
Read access request in request queue after change；When read access request be described more newly requested time, by described single line
Journey unloads described software module, and reloads the described software module after renewal.
The program by carrying out modularity renewal to software, thus improves the renewal speed of software, but the program is to respectively
The renewal of individual module is still the mode using existing support to download update all bag, therefore, when update content is more, each mould
The renewal bag of block is the biggest, and download time is longer.
Summary of the invention
The technical problem to be solved is: provide the method and system of a kind of client-side program incremental update, energy
The modules of enough quickly more new procedures.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is:
A kind of method of client-side program incremental update, including:
The program of client is split into plural module；
Service end calculates the difference of the file bag of the module of new and old edition, generates and includes that updating operating list updates with corresponding
The incremental update bag of file；
Client is according to the latest edition number of the module in the name acquiring service end of module；
If described latest edition number is different from the version number of the module of client, then client is according to described title and up-to-date
Version number obtains the incremental update bag needed for described module；
Decompress described incremental update bag, obtain updating file and updating operating list；
If the action type in described renewal operating list is incremental update, then by described renewal file and described module
Original carries out difference calculating, generates new renewal file, and the new file that updates is preserved the interim mesh preset to client
Under record；
Described temporary catalog file is covered in the program directory of client.
Another technical scheme that the present invention provides is:
A kind of system of client-side program incremental update, including:
Split module, for the program of client is split into plural module；
Difference computation module, calculates the difference of the file bag of the module of new and old edition for service end, generates and includes updating
Operating list and the corresponding incremental update bag updating file；
Version number's acquisition module, the latest edition of the module in the client name acquiring service end according to module
Number；
Update bag acquisition module, if different from the version number of the module of client for described latest edition number, then client
Hold and obtain the incremental update bag needed for described module according to described title and latest edition number；
Decompression module, is used for decompressing described incremental update bag, obtains updating file and updating operating list；
Update file acquisition module, if the action type in described renewal operating list is incremental update, then by institute
The original stating renewal file and described module carries out difference calculating, generates new renewal file, and is protected by new renewal file
Deposit to client preset temp directory under；
More new module, in the program directory that described temporary catalog file covers client.
The beneficial effects of the present invention is: first program is split into multiple module, only to needing the module updated to carry out
Update, decrease the data volume of renewal；Secondly, incremental update bag is obtained from server when module updates, by incremental update bag
Update file and original carry out difference and calculate and generate new renewal file, the original of overlay program realizes updating；Use
The mode of incremental update, is different from prior art and updates the method that downloads of bag by whole, has that download time is short, updates
Fireballing advantage.
Accompanying drawing explanation
Fig. 1 is the flow chart of the method for the client-side program incremental update of the embodiment of the present invention；
Fig. 2 is the structural representation of the system of the client-side program incremental update of the embodiment of the present invention.
Label declaration:
1, module is split；2, difference computation module；3, version number's acquisition module；4, bag acquisition module is updated；5, pressing mold is solved
Block；6, file acquisition module is updated；7, more new module.
Detailed description of the invention
By describing the technology contents of the present invention in detail, being realized purpose and effect, below in conjunction with embodiment and coordinate attached
Figure is explained.
The design of most critical of the present invention is: client-side program splits into multiple module, module is carried out incremental update.
Refer to Fig. 1, the present invention provides:
A kind of method of client-side program incremental update, including:
The program of client is split into plural module；
Service end calculates the difference of the file bag of the module of new and old edition, generates and includes that updating operating list updates with corresponding
The incremental update bag of file；
Client is according to the latest edition number of the module in the name acquiring service end of module；
If described latest edition number is different from the version number of the module of client, then client is according to described title and up-to-date
Version number obtains the incremental update bag needed for described module；
Decompress described incremental update bag, obtain updating file and updating operating list；
If the action type in described renewal operating list is incremental update, then by described renewal file and described module
Original carries out difference calculating, generates new renewal file, and the new file that updates is preserved the interim mesh preset to client
Under record；
Described temporary catalog file is covered in the program directory of client.
Further, after service end generates incremental update bag, raw according to described renewal operating list and corresponding renewal file
Become under the complete file of latest edition, and the reparation catalogue that described complete file preservation to service end is preset.
Knowable to foregoing description, when carrying out incremental update, in fact it could happen that update file generated and unsuccessfully wait abnormal phenomena, therefore
Service end also generates the complete file of latest edition after generating incremental update bag, therefore uses incremental update when client
This complete file can be downloaded from service end when mode updates failure, use traditional mode to be updated, it is ensured that to be updated successfully.
Further, described renewal operating list includes the corresponding cryptographic Hash updating file；Generate new renewal file it
After, before new renewal file is preserved to temp directory, farther include:
Client judges that the new cryptographic Hash updating file is the most identical with the cryptographic Hash updating operating list；
If identical, then the described new file that updates is preserved to the temp directory of client；
If it is different, then obtain described complete file from described reparation catalogue, using described complete file as new renewal
File preserves to described temp directory.
Knowable to foregoing description, client use the mode of incremental update obtain update after file, need first to judge more
New file is the most correct, i.e. whether the renewal file of incremental update is successfully generated, if correct, uses the renewal file of generation to enter
Row updates, and failed then use complete file is updated, it is ensured that be updated successfully.
Further, after described complete file is preserved to reparation catalogue by service end, the renewal of described module is generated
Detection address, renewal download address and reparation download address, described renewal detection address is for pointing to the up-to-date of described module
Version number, described renewal download address is used for pointing to described incremental update bag, and described reparation download address is used for pointing to described complete
Whole file.
Knowable to foregoing description, service end generates webpage configuration file, thus client can be according to webpage configuration file
Obtain latest edition number, incremental update bag, complete file etc..
Further, client, with the title of described module and current version number as parameter, updates detection ground by described
Location obtains latest edition number from service end, obtains incremental update bag by described renewal download address from service end, by described
Repair download address and obtain complete file from service end.
Further, service end calculates the difference of the file bag of the module of new and old edition, generates and includes updating operating list
With correspondence update file incremental update bag, particularly as follows:
Service end traversal compares the file bag of the module of new and old edition；
If the file bag of the module of redaction has increased file newly, then it is newly-increased for arranging the action type updated in operating list
File, using newly-increased file as updating file, generates and includes described renewal operating list and update the incremental update bag of file；
If the file bag of the module of redaction deletes file, then the action type updated in operating list is set for deleting
File, generates the incremental update bag including described renewal operating list；
If the file in the file bag of the module of the file bag of the module of redaction and legacy version is of the same name but file content not
With, then arranging the action type updated in operating list is incremental update, described file content carries out difference calculating, generates and increase
Amount updates file, using incremental update file as updating file, generates and includes described renewal operating list and update the increasing of file
Amount updates bag.
Further, decompress described incremental update bag, obtain updating file and updating after operating list, by described temporarily
Before catalogue file covers in the program directory of client, farther include:
If the action type in described renewal operating list is newly-increased file, then face described in the preservation extremely of described renewal file
Time catalogue under；
If the action type in described renewal operating list is to delete file, then it is right to delete from the original of described program
The file answered.
Knowable to foregoing description, the renewal of version includes newly-increased file, deletes that file is identical with filename but file content
Difference, therefore service end generates different incremental update bags, when client updates according to increment more according to the different operations that updates
Renewal file and the renewal operating list of new bag update accordingly.
Refer to Fig. 2, another technical scheme of the present invention is:
A kind of system of client-side program incremental update, including:
Split module 1, for the program of client is split into plural module；
Difference computation module 2, calculates the difference of the file bag of the module of new and old edition for service end, generates and includes updating
Operating list and the corresponding incremental update bag updating file；
Version number's acquisition module 3, the latest edition of the module in the client name acquiring service end according to module
Number；
Update bag acquisition module 4, if different from the version number of the module of client for described latest edition number, then client
Hold and obtain the incremental update bag needed for described module according to described title and latest edition number；
Decompression module 5, is used for decompressing described incremental update bag, obtains updating file and updating operating list；
Update file acquisition module 6, if the action type in described renewal operating list is incremental update, then by institute
The original stating renewal file and described module carries out difference calculating, generates new renewal file, and is protected by new renewal file
Deposit to client preset temp directory under；
More new module 7, in the program directory that described temporary catalog file covers client.
Further, also include:
Repair file generating module, generate after incremental update bag for service end, according to described renewal operating list and right
The complete file of file generated latest edition should be updated, and described complete file is preserved the reparation catalogue preset to service end
Under；Described renewal operating list includes the corresponding cryptographic Hash updating file；
With the cryptographic Hash updating operating list whether judge module, judge the new cryptographic Hash updating file for client
Identical；
Preserve module, if for identical, then the described new file that updates is preserved to the temp directory of client；
If it is different, then obtain described complete file from described reparation catalogue, using described complete file as new renewal
File preserves to described temp directory.
Further, described difference computation module includes:
Traversal comparison module, compares the file bag of the module of new and old edition for service end traversal；
Newly-increased module, if the file bag for the module of redaction has increased file newly, is then arranged in renewal operating list
Action type is newly-increased file, using newly-increased file as updating file, generates and includes described renewal operating list and update literary composition
The incremental update bag of part；
Removing module, if the file bag for the module of redaction deletes file, is then arranged in renewal operating list
Action type, for deleting file, generates the incremental update bag including described renewal operating list；
First computing module, if the file being used in the file bag of the file bag of the module of redaction and the module of legacy version
Of the same name but file content different, then arranging the action type updated in operating list is incremental update, enters described file content
Row difference calculates, and generates incremental update file, using incremental update file as updating file, generates and includes described renewal action column
Table and the incremental update bag of renewal file；
If the action type that described renewal file acquisition module is additionally operable in described renewal operating list is newly-increased file, then
Described renewal file is preserved to described temp directory；
If the action type that described more new module is additionally operable in described renewal operating list is to delete file, then from described journey
The original of sequence is deleted the file of correspondence.
Embodiments of the invention one are:
A kind of method of client-side program incremental update, including:
The program of client is split into plural module；
Service end calculates the difference of the file bag of the module of new and old edition, generates and includes that updating operating list updates with corresponding
The incremental update bag of file；Concrete, including: service end traversal compares the file bag of the module of new and old edition；If redaction
The file bag of module has increased file newly, then arranging the action type updated in operating list is newly-increased file, by newly-increased file
As updating file, generate and include described renewal operating list and update the incremental update bag of file；If the module of redaction
File bag deletes file, then arranging the action type updated in operating list is deletion file, generates and includes described renewal behaviour
Make the incremental update bag of list；If the file in the file bag of the module of the file bag of the module of redaction and legacy version of the same name but
File content is different, then arranging the action type updated in operating list is incremental update, and described file content is carried out difference
Calculate, generate incremental update file, using incremental update file as updating file, generate and include described renewal operating list and more
The incremental update bag of new file；
Service end updates the complete file of file generated latest edition according to described renewal operating list and correspondence, and by institute
State under the reparation catalogue that complete file preservation to service end is preset；
Described complete file is preserved to after repairing under catalogue by service end, generate described module renewal detection address,
Updating download address and repair download address, described renewal detection address is for pointing to the latest edition number of described module, institute
State renewal download address for pointing to described incremental update bag, described reparation download address is used for pointing to described complete file；
During client more new module, according to the title of module to be updated, update detection address acquisition service by described
The latest edition number of the module on end；
If described latest edition number is different from the version number of the module of client, then client is according to described title and up-to-date
Version number obtains the incremental update bag needed for described module；
Decompress described incremental update bag, obtain updating file and updating operating list；
If the action type in described renewal operating list is incremental update, then by described renewal file and described module
Original carries out difference calculating, generates new renewal file, and the new file that updates is preserved the interim mesh preset to client
Under record；If the action type in described renewal operating list is newly-increased file, then by the most described temporarily for the preservation of described renewal file
Under catalogue；If the action type in described renewal operating list is to delete file, then it is right to delete from the original of described program
The file answered；
Described temporary catalog file is covered in the program directory of client；
If the program of client needs the module updated to be multiple, the most each needs is updated
Module is updated.
The content of above-described embodiment one is described with a concrete example below:
Upload more new packet flow journey:
1, server arranges the module and warehouse catalogue needing to update, and warehouse catalogue is defined as storing the file of old version
Clip directory (release content updated can be automatically saved to warehouse catalogue, uses for later incremental update)；
2, more new directory is set, it would be desirable to the file of renewal is placed in more new directory, with version number as Folder Name；
3, renewal is made:
3.1, the difference between calculation document bag, as a example by version 1000 upgraded version 1001: if newly increasing renewal
File (version 1000 does not has this file, but version 1001 increases newly), then be copied directly to new file bag to 1000-1001 mesh
Under record, the more new regulation (i.e. increasing file newly) of this file is saved in one simultaneously and updates (form: filename in operating list
| hash value | mode of operation)；If the file (version 1000 has this file, but version 1001 deletes) deleted, then will
The more new regulation of this file is saved in renewal operating list；If the file updated (has in 1000 versions, in 1001 also
Have, and different by hash value documents), then carry out difference calculating, generate and update file, renewal file copy is arrived
Under new file bag 1000-1001 catalogue, the more new regulation of this file is saved in renewal operating list simultaneously；
3.2, the 1000-1001 catalogue updating operating list and preservation generated is compressed together, be packaged into one
The renewal compressed package files of 1001-1001, i.e. incremental update bag, this document was downloaded when client updates；
3.3, up-to-date version all files complete copy to is repaired catalogue, repair All Files under catalogue necessary
Ensure as up-to-date version file.
3.4, generate this module webpage configuration file, be mainly used in contrasting whether have renewal, and by this webpage configuration file
The renewal detection address uploaded onto the server.
Down loading updating packet stream journey:
1, whether detection module has renewal, and by module title and current block version number as parameter, request service end is more
Newly detect address, obtain server module latest edition number, if the version number of service end is more than local version number, then illustrate
There is renewal, the most do not update.
If 2 have renewal, downloading corresponding incremental update bag, such as this locality is 1000, and server latest edition is
1001, then download the incremental update file bag of 1000-1001.
3, after downloading successfully, decompression obtains and updates file and update operating list；
4, by resolving renewal operating list, more new regulation, i.e. action type are obtained, if action type is newly-increased literary composition
Part, then directly will update file and be saved under the temp directory of client, if incremental update file, then will update file with
Original carries out difference calculating, generates up-to-date renewal file, calculates this renewal file hash simultaneously and preserves in more new regulation
Hash value the most identical, identical then represent incremental update success, download in queue if it fails, then increase to reparation；If
It is to delete file, then directly file is deleted.
5, detection is repaired and is downloaded the task whether queue there is a need to re-download, if it has, then by remediation server ground
Location is downloaded and is carried out re-downloading operation.
6, temporary catalog file is covered the program directory of client, completes to update.
Embodiments of the invention two are:
The system that a kind of method of client-side program incremental update with above-described embodiment one is corresponding, including:
Split module, for the program of client is split into plural module；
Difference computation module, calculates the difference of the file bag of the module of new and old edition for service end, generates and includes updating
Operating list and the corresponding incremental update bag updating file；Concrete, described difference computation module includes: traversal comparison module,
The file bag of the module of new and old edition is compared for service end traversal；Newly-increased module, if the file bag of the module for redaction
Increased file newly, then arranging the action type updated in operating list is newly-increased file, using newly-increased file as updating file,
Generate and include described renewal operating list and update the incremental update bag of file；Removing module, if be used for the module of redaction
File bag deletes file, then arranging the action type updated in operating list is deletion file, generates and includes described renewal behaviour
Make the incremental update bag of list；First computing module, if being used for the file bag of the module of redaction and the literary composition of the module of legacy version
File in part bag is of the same name but file content different, then arranging the action type updated in operating list is incremental update, to institute
State file content and carry out difference calculating, generate incremental update file, using incremental update file as updating file, generate and include institute
State and update operating list and update the incremental update bag of file；
Repair file generating module, generate after incremental update bag for service end, according to described renewal operating list and right
The complete file of file generated latest edition should be updated, and described complete file is preserved the reparation catalogue preset to service end
Under；Described renewal operating list includes the corresponding cryptographic Hash updating file；
Version number's acquisition module, the latest edition of the module in the client name acquiring service end according to module
Number；
Update bag acquisition module, if different from the version number of the module of client for described latest edition number, then client
Hold and obtain the incremental update bag needed for described module according to described title and latest edition number；
Decompression module, is used for decompressing described incremental update bag, obtains updating file and updating operating list；
Update file acquisition module, if the action type in described renewal operating list is incremental update, then by institute
The original stating renewal file and described module carries out difference calculating, generates new renewal file, and is protected by new renewal file
Deposit to client preset temp directory under；If the action type in described renewal operating list is newly-increased file, then by described
Update file to preserve to described temp directory；
With the cryptographic Hash updating operating list whether judge module, judge the new cryptographic Hash updating file for client
Identical；
Preserve module, if for identical, then the described new file that updates is preserved to the temp directory of client；
If it is different, then obtain described complete file from described reparation catalogue, using described complete file as new renewal
File preserves to described temp directory；
More new module, in the program directory that described temporary catalog file covers client；Behaviour is updated if described
Making the action type in list is to delete file, then delete the file of correspondence from the original of described program.
In sum, the method and system of the client-side program incremental update that the present invention provides, by each function of modularity,
Can realize the portability of program installation kit, user can quickly download to the renewal bag of program and begin to use, and leads to simultaneously
Cross the mode of incremental update to update each module, decrease the operating time of renewal, improve the ease for use of product.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
The equivalents that bright description and accompanying drawing content are made, or directly or indirectly it is used in relevant technical field, the most in like manner include
In the scope of patent protection of the present invention.
Claims (10)
1. the method for a client-side program incremental update, it is characterised in that including:
The program of client is split into plural module；
Service end calculates the difference of the file bag of the module of new and old edition, generates and includes that updating operating list updates file with corresponding
Incremental update bag；
Client is according to the latest edition number of the module in the name acquiring service end of module；
If described latest edition number is different from the version number of the module of client, then client is according to described title and latest edition
Number obtain the incremental update bag needed for described module；
Decompress described incremental update bag, obtain updating file and updating operating list；
If the action type in described renewal operating list is incremental update, then by the original text of described renewal file Yu described module
Part carries out difference calculating, generates new renewal file, and new is updated under the temp directory that file preservation to client is preset；
Described temporary catalog file is covered in the program directory of client.
The method of client-side program incremental update the most according to claim 1, it is characterised in that service end generates increment more
After new bag, according to described renewal operating list and the corresponding complete file updating file generated latest edition, and by described completely
Under the reparation catalogue that file preservation to service end is preset.
The method of client-side program incremental update the most according to claim 2, it is characterised in that described renewal operating list
Including the corresponding cryptographic Hash updating file；After generating new renewal file, new renewal file is preserved to temp directory
Before, farther include:
Client judges that the new cryptographic Hash updating file is the most identical with the cryptographic Hash updating operating list；
If identical, then the described new file that updates is preserved to the temp directory of client；
If it is different, then obtain described complete file from described reparation catalogue, using described complete file as new renewal file
Preserve to described temp directory.
The method of client-side program incremental update the most according to claim 2, it is characterised in that service end by described completely
File preserves after extremely repairing under catalogue, generates the renewal detection address of described module, updates download address and repair download
Address, described renewal detection address is for pointing to the latest edition number of described module, and described renewal download address is used for pointing to institute
Stating incremental update bag, described reparation download address is used for pointing to described complete file.
The method of client-side program incremental update the most according to claim 4, it is characterised in that client is with described module
Title and current version number be parameter, by described update detection address from service end obtain latest edition number, by described
Update download address and obtain incremental update bag from service end, obtain complete file by described reparation download address from service end.
The method of client-side program incremental update the most according to claim 1, it is characterised in that service end calculates new old edition
The difference of the file bag of this module, generates and includes updating operating list and the corresponding incremental update bag updating file, particularly as follows:
Service end traversal compares the file bag of the module of new and old edition；
If the file bag of the module of redaction has increased file newly, then arranging the action type updated in operating list is newly-increased literary composition
Part, using newly-increased file as updating file, generates and includes described renewal operating list and update the incremental update bag of file；
If the file bag of the module of redaction deletes file, then the action type updated in operating list is set for deleting literary composition
Part, generates the incremental update bag including described renewal operating list；
If the file bag of the module of redaction is of the same name with the file in the file bag of the module of legacy version but file content is different, then
Arranging the action type updated in operating list is incremental update, and described file content carries out difference calculating, generates increment more
New file, using incremental update file as updating file, generates and includes described renewal operating list and update the increment of file more
New bag.
The method of client-side program incremental update the most according to claim 6, it is characterised in that decompress described incremental update
Bag, after obtaining updating file and updating operating list, covers described temporary catalog file in the program directory of client
Before, farther include:
If the action type in described renewal operating list is newly-increased file, then described renewal file is preserved to described interim mesh
Under record；
If the action type in described renewal operating list is to delete file, then from the original of described program, delete correspondence
File.
8. the system of a client-side program incremental update, it is characterised in that including:
Split module, for the program of client is split into plural module；
Difference computation module, calculates the difference of the file bag of the module of new and old edition for service end, generates and includes updating operation
List and the corresponding incremental update bag updating file；
Version number's acquisition module, the latest edition number of the module in the client name acquiring service end according to module；
Updating bag acquisition module, if different from the version number of the module of client for described latest edition number, then client depends on
The incremental update bag needed for described module is obtained according to described title and latest edition number；
Decompression module, is used for decompressing described incremental update bag, obtains updating file and updating operating list；
Update file acquisition module, if the action type in the described renewal operating list is incremental update, then by described more
New file carries out difference calculating with the original of described module, generates new renewal file, and is preserved extremely by new renewal file
Under the temp directory that client is preset；
More new module, in the program directory that described temporary catalog file covers client.
The system of client-side program incremental update the most according to claim 8, it is characterised in that also include:
Repair file generating module, generate after incremental update bag for service end, according to described renewal operating list and correspondence more
Under the complete file of new file generated latest edition, and the reparation catalogue that described complete file preservation to service end is preset；Institute
State renewal operating list and include the corresponding cryptographic Hash updating file；
Judge module, judges the cryptographic Hash whether phase of the new cryptographic Hash updating file and renewal operating list for client
With；
Preserve module, if for identical, then the described new file that updates is preserved to the temp directory of client；
If it is different, then obtain described complete file from described reparation catalogue, using described complete file as new renewal file
Preserve to described temp directory.
The system of client-side program incremental update the most according to claim 8, it is characterised in that described difference calculates mould
Block includes:
Traversal comparison module, compares the file bag of the module of new and old edition for service end traversal；
Newly-increased module, if the file bag for the module of redaction has increased file newly, then arranges the operation updated in operating list
Type is newly-increased file, using newly-increased file as updating file, generates and includes described renewal operating list and update file
Incremental update bag；
Removing module, if the file bag for the module of redaction deletes file, then arranges the operation updated in operating list
Type, for deleting file, generates the incremental update bag including described renewal operating list；
First computing module, if the file being used in the file bag of the file bag of the module of redaction and the module of legacy version is of the same name
But file content is different, then arranging the action type updated in operating list is incremental update, poor to described file content
Different calculating, generate incremental update file, using incremental update file as update file, generate include described renewal operating list and
Update the incremental update bag of file；
If the action type that described renewal file acquisition module is additionally operable in described renewal operating list is newly-increased file, then by institute
State renewal file to preserve to described temp directory；
If the action type that described more new module is additionally operable in described renewal operating list is to delete file, then from described program
Original is deleted the file of correspondence.
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