CN102109989A - Method, device and system for controlling browser cache - Google Patents
Method, device and system for controlling browser cache Download PDFInfo
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- CN102109989A CN102109989A CN2009102658715A CN200910265871A CN102109989A CN 102109989 A CN102109989 A CN 102109989A CN 2009102658715 A CN2009102658715 A CN 2009102658715A CN 200910265871 A CN200910265871 A CN 200910265871A CN 102109989 A CN102109989 A CN 102109989A
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Abstract
The application discloses a method, a device and a system for controlling browser cache. The method comprises steps as follows: a server obtains a static file used for generating web page and judges whether the static file changes; when a judgment result shows that the static file changes, the server generates a version identification corresponding to the static file; and the server transmits the version identification to a browser, and the browser updates local cache based on the version identification. In the application, the latest static file of the server end is ensured to be browsed through the access of a client browser, the version identifications of all the static files are under centralized management, and the version identifications of the static files are automatically changed by means of a tool.
Description
Technical field
The application relates to networking technology area, particularly relates to a kind of methods, devices and systems of controlling browser rs cache.
Background technology
Browser is a display web page server or archives economy file, and can allow user and above-mentioned file carry out interactive a kind of software, this browser is used for being presented in the WWW or the information such as literal, image and other information in the local LAN (Local Area Network), and information such as above-mentioned literal, image and other information can be the hyperlink that connects other network address, browse various information easily thereby make the user to reach rapidly.Wherein, webpage generally is the form of HTML (Hyper Text Mark-up Language, HTML (Hypertext Markup Language)), and common browser comprises browsers such as Internet Explorer, Firefox on the user terminal, as can be seen, browser is the client-side program of using always.
The main flow browser all has local cache mechanism, when visiting the static file of having visited by local cache, can accelerate surfing, and improves user's use experience.
Concrete, local cache mechanism is that browser is browsed in order to quicken, on user disk, nearest document of asking stored, and when the visitor asks this page once more, browser just can show corresponding document from local disk, thereby quickens the reading of the page.
In addition, static file is meant the file that need download in the browser, for example, and html file, javascript (Java descriptive language) file, css (Cascading Style Sheets, CSS (cascading style sheet)) file and picture file etc.
But the local cache mechanism of the browser of different vendor is also inequality, and browser can not guarantee when the static file of server end changes, and can upgrade the static file in the local cache timely, thereby causes systemic-function normally not use.And the version of browser often needs to update the also possible difference of the local cache mechanism of the browser of different editions.
Therefore, normally use, need to guarantee the user no matter under which kind of browser, can both have access to the static file of latest edition, and the static file of use latest edition is replaced the scratch file in the browser rs cache in order to guarantee systemic-function.Wherein, scratch file is meant the file when the copy of preserving in the local cache and latest document are inconsistent.
In the prior art, the mode that the assurance user can visit the static file of latest edition comprises:
1) the renewal caching mechanism of dependence browser self.
Browser self possesses the renewal caching mechanism, and when the static file of server end changes, browser will upgrade static file in self buffer memory according to certain mechanism.
2) in the response of server end, add the not instruction of buffer memory to browser, thus the static file that stops browser rs cache to be visited.
By in the response of server end, adding the not instruction of buffer memory to browser, make browser not buffer memory and relevant all static files of response, at this moment, at browser end, each request all needs to arrive again server end and downloads up-to-date static file, thus the static file that stops browser rs cache to be visited.
3) when static file has renewal, server end is forced the up-to-date static file of browser access by static file being renamed or changing the mode of the reference address of static file.
When static file is renamed or after reference address is modified to the address of not visiting, browser will think that this static file is the new static file of not visiting, and can download again and this static file of buffer memory, reach the purpose of forcing browser to upgrade buffer memory with this.
In the process that realizes the application, the inventor finds prior art, and there are the following problems at least:
When guaranteeing that by the renewal caching mechanism that uses dependence browser self user can visit the static file of latest edition,
The caching mechanism of different browsers, the caching mechanism of perhaps same browser different editions, all difference to some extent can not guarantee when the static file of server end has renewal, browser can be downloaded up-to-date static file automatically.And the caching mechanism of browser can be changed by the mode of software setting, thereby causes the buffer memory of client uncontrollable.
When in the response of server end, adding that the instruction of buffer memory does not guarantee that the user can visit the static file of latest edition to browser by use,
Though the static file that can stop browser rs cache to be visited, but each request all needs the up-to-date static file of Download Server end, thereby can cause unnecessary static file to be downloaded, increase the pressure of server end, make the server end response efficiency reduce.
3) when server end when using static file to have to upgrade by static file being renamed or changing the mode of the reference address of static file, when forcing the up-to-date static file of browser access to guarantee that the user can visit the static file of latest edition, for large-scale internet product, to comprise a lot of static files, all change the reference address of static file name or change static file during each the renewal, will increase maintenance cost, and increase the risk that can't refer to these static files.
Summary of the invention
The application provides a kind of methods, devices and systems of controlling browser rs cache, can visit up-to-date static file to guarantee browser client, prevent the scratch file in the browser client access browser buffer memory, and efficiently safeguard a large amount of static files simply.
The application proposes a kind of method of controlling browser rs cache, may further comprise the steps:
Server obtains the static file that generates webpage, and judges whether described static file changes;
When judged result is a described static file when changing, described server generates the version identifier of described static file correspondence;
Described server sends to browser with described version identifier, upgrades local cache by described browser according to described version identifier.
Described server generates before the version identifier of described static file correspondence, also comprises:
Described server is the corresponding configuration file of each static file configuration; The version identifier of described static file correspondence and the corresponding relation of described static file address have been set up in the described configuration file.
The version identifier of described static file correspondence comprises described static file time corresponding version identifier; The version identifier that described server generates described static file correspondence comprises:
Described server obtains the current time, and with the described current time as described static file time corresponding version identifier.
Described server sends to browser with described version identifier and comprises:
Described server sends to described browser with the configuration file of described static file correspondence, has carried the corresponding relation of described version identifier and described static file address in the described configuration file.
Described browser upgrades local cache according to described version identifier and comprises:
When described browser was visited described static file according to the address of described static file, described browser judged whether described version identifier is higher than the version identifier in the local cache;
When judged result is a described version identifier when being higher than version identifier in the described local cache, then described browser upgrades local cache according to the corresponding relation of described version identifier and described static file address.
Described browser is visited described static file according to the address of described static file and is comprised:
Described browser obtains corresponding version identifier from described configuration file;
Described browser is according to described version identifier, and the address that obtains described static file of the corresponding relation by described version identifier and described static file address;
Described browser is visited described static file according to the address of described static file.
The application proposes a kind of server, comprising:
Acquisition module is used to obtain the static file that generates webpage;
Judge module is used to judge whether the described static file that described acquisition module obtains changes;
Generation module when being used for judged result when described judge module and being described static file and changing, generates the version identifier of described static file correspondence;
Sending module is used for the described version identifier that described generation module generates is sent to browser, upgrades local cache by described browser according to described version identifier.
Also comprise:
Configuration module is used to the corresponding configuration file of each static file configuration; The version identifier of described static file correspondence and the corresponding relation of described static file address have been set up in the described configuration file.
The version identifier of described static file correspondence comprises described static file time corresponding version identifier;
Described generation module comprises:
First obtains submodule, is used to obtain the current time;
Second obtains submodule, is used for obtaining described current time that submodule obtains as described static file time corresponding version identifier with described first.
Described sending module specifically is used for, and the configuration file of described static file correspondence is sent to described browser, has carried the corresponding relation of described version identifier and described static file address in the described configuration file.
The application proposes a kind of client, comprising:
Receiver module is used for receiving version identifier from server by self browser, and described version identifier is the version identifier of static file correspondence;
Judge module is used to judge whether the pairing static file of version identifier that described receiver module receives changes;
Processing module, when being used for judged result when described judge module and being described static file and changing, the described version identifier that receives according to described receiver module upgrades local cache.
Described receiver module specifically is used for, and receives configuration file from the described static file correspondence of described server by self browser, has carried the corresponding relation of described version identifier and described static file address in the described configuration file.
Described processing module comprises:
Judge submodule, be used for when described browser is visited described static file according to the address of described static file, judging whether described version identifier is higher than the version identifier in the local cache;
Updating submodule when being used for judged result when described judgement submodule and being described version identifier and being higher than the version identifier of described local cache, is upgraded local cache according to the corresponding relation of described version identifier and described static file address.
Also comprise:
Access modules is used for visiting described static file according to the address of described static file;
Described access modules comprises:
First obtains submodule, is used for obtaining corresponding version identifier by described browser from described configuration file;
Second obtains submodule, be used for obtaining the described version identifier that submodule obtains according to described first, and the address that obtains described static file of the corresponding relation by described version identifier and described static file address;
The visit submodule is used for visiting described static file according to second address that obtains the described static file that submodule obtains.
The application proposes a kind of system that controls browser rs cache, comprising:
Server is used to obtain the static file that generates webpage, and judges whether described static file changes; When judged result is a described static file when changing, generate the version identifier of described static file correspondence; And described version identifier sent to browser;
Client is used for receiving described version identifier by the browser of self, and upgrades local cache according to described version identifier.
The application comprises following advantage,
1) the up-to-date static file of assurance client browser access server end.
By the version identifier at server end generation static file, thereby the decision client browser is to download up-to-date static file or extract static file local cache from server end.And when the different browser of client use, when perhaps using the caching mechanism of same browser different editions, the static file of visit all can be determined by server end, be whether the unified decision of server end client browser visits up-to-date static file, thereby can stop the procedural problem that causes because of static file is expired.
2) manage the version identifier of all static files concentratedly.
The mode that the program page is replaced by template is extracted the call address of static file from unified configuration file, thereby and by the maintenance of configuration file being managed concentratedly the version identifier of all static files.When needs are changed the version identifier of some static files, only need this static file of change corresponding configuration item in configuration file to get final product, thereby guarantee that this static file is correctly quoted in all program pages.
3) change the version identifier of static file automatically by instrument.
After static file was changed, instrument can search corresponding configuration item automatically in configuration file, and corresponding version identifier in the change configuration file, and whole process need not artificial participation, has improved exploitation and maintenance efficiency.
Description of drawings
In order to be illustrated more clearly in the application or technical scheme of the prior art, to do simple the introduction to the accompanying drawing of required use in the application or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiment of the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of method flow diagram of controlling browser rs cache in the embodiment of the present application one;
Fig. 2 is the embodiment of the present application application scenarios synoptic diagram;
Fig. 3 is a kind of method flow diagram of controlling browser rs cache in the embodiment of the present application two;
Fig. 4 is a kind of method flow diagram of controlling browser rs cache in the embodiment of the present application three;
Fig. 5 is the embodiment of the present application framework schematic flow sheet;
Fig. 6 is a kind of method flow diagram of controlling browser rs cache in the embodiment of the present application four;
Fig. 7 is a kind of method flow diagram of controlling browser rs cache in the embodiment of the present application five;
Fig. 8 is the structural representation of a kind of server in the embodiment of the present application six;
Fig. 9 is the structural representation of the another kind of server in the embodiment of the present application six;
Figure 10 is the structural representation of generation module in the embodiment of the present application six;
Figure 11 is the structural representation of a kind of client in the embodiment of the present application seven;
Figure 12 is the structural representation of processing module in the embodiment of the present application seven;
Figure 13 is the structural representation of the another kind of client in the embodiment of the present application seven;
Figure 14 is the structural representation of access modules in the embodiment of the present application seven.
Embodiment
The application's main thought comprises, by being the corresponding configuration file of static file configuration, and in configuration file, set up the version identifier of static file and the mapping relations of call address, thereby make when static file changes, can identify the static file after the variation by the mode of change configuration file version identifier, and the pairing configuration file of the static file after will changing sends to the browser of client, and browser can upgrade the pairing local cache of this static file according to the configuration file after this variation, thereby prevent the scratch file in the user capture browser rs cache, and in large-scale website, carry out high maintenance
Among the application, under the situation of not forbidding browser rs cache, when the static file of server end had renewal, any browser can both have access to up-to-date static file under any caching mechanism, thereby can efficiently safeguard a large amount of static files simply, improve user's use experience.
Below in conjunction with the accompanying drawing among the application, the technical scheme among the application is carried out clear, complete description, obviously, described embodiment is a part of embodiment of the application, rather than whole embodiment.Based on the embodiment among the application, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope that the application protects.
As shown in Figure 1, a kind of method flow diagram of controlling browser rs cache in the embodiment of the present application one may further comprise the steps:
Concrete, described server generates before the version identifier of described static file correspondence, promptly before this step, also comprises:
Described server is the corresponding configuration file of each static file configuration; The version identifier of described static file correspondence and the corresponding relation of described static file address have been set up in the described configuration file.
The version identifier of described static file correspondence comprises described static file time corresponding version identifier;
The version identifier that described server generates described static file correspondence comprises:
Described server obtains the current time, and with the described current time as described static file time corresponding version identifier.
Concrete, described server sends to browser with described version identifier and comprises:
Described server sends to described browser with the configuration file of described static file correspondence, has carried the corresponding relation of described version identifier and described static file address in the described configuration file.
In this application, described browser comprises according to described version identifier renewal local cache:
When described browser was visited described static file according to the address of described static file, described browser judged whether described version identifier is higher than the version identifier in the local cache;
When judged result is a described version identifier when being higher than version identifier in the described local cache, then described browser upgrades local cache according to the corresponding relation of described version identifier and described static file address.
In addition, described browser is visited described static file according to the address of described static file and is comprised:
Described browser obtains corresponding version identifier from described configuration file;
Described browser is according to described version identifier, and the address that obtains described static file of the corresponding relation by described version identifier and described static file address;
Described browser is visited described static file according to the address of described static file.
The application comprises following advantage,
1) the up-to-date static file of assurance client browser access server end.
By the version identifier at server end generation static file, thereby the decision client browser is to download up-to-date static file or extract static file local cache from server end.And when the different browser of client use, when perhaps using the caching mechanism of same browser different editions, the static file of visit all can be determined by server end, be whether the unified decision of server end client browser visits up-to-date static file, thereby can stop the procedural problem that causes because of static file is expired.
2) manage the version identifier of all static files concentratedly.
The mode that the program page is replaced by template is extracted the call address of static file from unified configuration file, thereby and by the maintenance of configuration file being managed concentratedly the version identifier of all static files.When needs are changed the version identifier of some static files, only need this static file of change corresponding configuration item in configuration file to get final product, thereby guarantee that this static file is correctly quoted in all program pages.
3) change the version identifier of static file automatically by instrument.
After static file was changed, instrument can search corresponding configuration item automatically in configuration file, and corresponding version identifier in the change configuration file, and whole process need not artificial participation, has improved exploitation and maintenance efficiency.
Certainly, arbitrary product of enforcement the application might not need to reach simultaneously above-described all advantages.
The above embodiments of the present application provide a kind of method of controlling browser rs cache, below in conjunction with concrete application scenarios the method for above-mentioned control browser rs cache are carried out concrete, detailed description.A kind of application scenarios synoptic diagram as shown in Figure 2, server is connected with client by Internet, all includes browser on each client.
As shown in Figure 3, for based on above-mentioned application scenarios, a kind of method flow diagram of controlling browser rs cache in the embodiment of the present application two may further comprise the steps:
Concrete, in each static file, a unique version identifier is arranged all, among the application, by configuration file for static file configuration correspondence, and by using this configuration file to carry the version identifier of static file.
In configuration file for the static file configuration, will set up the version identifier of static file and the mapping relations of call address, wherein, this call address is the static file corresponding address, when client needs the access static file, need carry out corresponding access process according to this call address.
Need to prove, among the application, do not need all to dispose corresponding configuration file for all static files, in actual applications, can be according to the operating position of static file, be chosen as the corresponding configuration file of static file configuration, perhaps, select not to be the corresponding configuration file of static file configuration.
For example, static file A and static file B are arranged, in actual applications, the operating position of static file is respectively: static file A can not change, static file B can change, at this moment, do not need to be the corresponding configuration file of static file A configuration, and need be the corresponding configuration file of static file B configuration.Certainly, also can be chosen as the corresponding configuration file of static file A spare configuration, give unnecessary details no longer in detail among the application.
In the practical application, server will send the information of static file according to the actual needs to client, thereby make the browser on the client can visit corresponding static file.
Server is when client sends the information of static file, and this server can know whether change according to this static file.For example, for static file A, sent the information of static file A1 to client in process before, if need send the information of static file A2 this moment to client, then variation has taken place in static file; If still need to send to client the information of static file A1 this moment, then static file does not change.
Because version identifier and call address have mapping relations, i.e. the version identifier in the call address in the new configuration file more in this step.
Preferably, the version identifier in this configuration file can use the date when revising, and for example, the date when revising, server can be updated to 20090928 with the version identifier in the configuration file of static file correspondence when being 2009.9.28.
Certainly, in actual applications, be not limited to version identifier service time, the version identifier mode is all within the application's protection domain arbitrarily.For example, can directly use the digital version sign, version identifier when static file is initial is 0, when needing to revise static file for the first time, server can be updated to 1 with the version identifier in the configuration file of static file correspondence, when needing to revise static file for the second time, server can be updated to 2 with the version identifier in the configuration file of static file correspondence, by that analogy.Version identifier mode for other repeats no more among the application.
Concrete, for each static file, the template that self correspondence is all arranged, and in each template, what change is version identifier in the configuration file, among the application, the mode of replacing by template is incorporated into configuration file with version identifier, promptly can introduce generating the corresponding program page according to the configuration file that has upgraded version identifier.
The program page that step 305, server will have been carried new configuration file sends to the browser of client.
Concrete, in the process of the access program page, browser will get access to version identifier the configuration file from the program page, and according to the mapping relations of version identifier and call address, the version identifier of static file is replaced with the call address of static file reality, thereby have access to static file according to the call address of this static file reality.
Need to prove, upgrade in the process of local cache, need also to judge whether the pairing static file of configuration file changes in client.Be that client can judge whether the pairing static file of configuration file changes by using the version identifier in the configuration file.For example, the version identifier in the local cache is 20091010, and the version identifier that gets access to from configuration file is 20091012, and as can be seen, the pairing static file of this configuration file at 2009.10.12 variation has taken place.
In sum, when a static file need be changed version, only need the version identifier in the change configuration file to get final product, need not change the program file that all comprise this static file.
Need to prove that the application's method can be adjusted each sequence of steps according to actual needs.
The application comprises following advantage,
1) the up-to-date static file of assurance client browser access server end.
By the version identifier at server end generation static file, thereby the decision client browser is to download up-to-date static file or extract static file local cache from server end.And when the different browser of client use, when perhaps using the caching mechanism of same browser different editions, the static file of visit all can be determined by server end, be whether the unified decision of server end client browser visits up-to-date static file, thereby can stop the procedural problem that causes because of static file is expired.
2) manage the version identifier of all static files concentratedly.
The mode that the program page is replaced by template is extracted the call address of static file from unified configuration file, thereby and by the maintenance of configuration file being managed concentratedly the version identifier of all static files.When needs are changed the version identifier of some static files, only need this static file of change corresponding configuration item in configuration file to get final product, thereby guarantee that this static file is correctly quoted in all program pages.
3) change the version identifier of static file automatically by instrument.
After static file was changed, instrument can search corresponding configuration item automatically in configuration file, and corresponding version identifier in the change configuration file, and whole process need not artificial participation, has improved exploitation and maintenance efficiency.
Certainly, arbitrary product of enforcement the application might not need to reach simultaneously above-described all advantages.
Method for the control browser rs cache more clearly setting forth among the application to be proposed describes in detail below in conjunction with a concrete example.Wherein, this concrete example is that example describes with static file demo.js.
As shown in Figure 4, a kind of method flow diagram of controlling browser rs cache in the embodiment of the present application three may further comprise the steps:
Concrete, static file demo.js has unique version identifier, is this static file demo.js mapped as demo=/rootpath/demo.js in configuration file? v=20090928, is wherein demo (promptly 20090928) the version identifier of demo.js ,/rootpath/demo.js? v=20090928 is a call address.That configuration file has been set up version identifier (demo) and call address (/rootpath/demo.js for static file demo.js? v=20090928) mapping relations.
After static file demo.js change, do you need modification/rootpath/demo.js? information among the v=20090928 (version identifier demo), i.e. needs/rootpath/demo.js? among the v=20090928 20090928, with the time version identifier is example, server obtains the current time, and obtains static file time corresponding version identifier according to the current time.For example, the current time, the time version identifier was 20090930 when being 2009.9.30, corresponding, need be with configuration file demo=/rootpath/demo.js? is v=20090928 updated to configuration file demo=/rootpath/demo.js? v=20090930.
Above-mentioned situation is that example describes with the time version identifier, in the practical application, can also be designated example with digital version for other version identifier mode, can the configuration file that disposes for static file demo.js be demo=/rootpath/demo.js? v=0.After static file demo.js change, for the first time need be with configuration file demo=/rootpath/demo.js? is v=0 updated to configuration file demo=/rootpath/demo.js? v=1; For the second time need be with configuration file demo=/rootpath/demo.js? is v=1 updated to configuration file demo=/rootpath/demo.js? v=2; By that analogy.
For other version identifier mode, processing procedure is similar, repeat no more among the application, in the subsequent process so that configuration file is updated to demo=/rootpath/demo.js? v=20090930 is that example describes.
Among the application, can introduce the version identifier of configuration file correspondence by the mode that template is replaced, and with configuration file demo=/rootpath/demo.js? v=20090930 introduces, thus the generator program page.
Concrete, each static file all has the template of self correspondence, for static file demo.js, version identifier is demo, template is #jsm[" demo "], is this jsm partly used to introduce static file, and " demo " part is used to introduce configuration file demo=/rootpath/demo.js? v=20090930.
Concrete, in the process of the access program page, browser will get access to version identifier demo the configuration file from the program page, and by using the template of static file demo.js correspondence to be #jsm[" demo "], when client-access comprises the program page of demo.js, #jsm[" demo "] can be replaced by＜script src="/rootpath/demo.js? v=20090930 " type=" text/javascript "＜/script 〉, wherein ,/rootpath/demo.js? v=20090930 is the version identifier demo part of configuration file.
In the version identifier demo of configuration file part, mapping relations according to version identifier demo and call address, can obtain the call address of static file reality, promptly/rootpath/demo.js? is v=20090930 the call address of demo.js, and client can be by the browser access/rootpath/demo.js of self? the pairing static file demo.js in v=20090930 address.
Need to prove that the application's method can be adjusted each sequence of steps according to actual needs.
The application comprises following advantage,
1) the up-to-date static file of assurance client browser access server end.
By the version identifier at server end generation static file, thereby the decision client browser is to download up-to-date static file or extract static file local cache from server end.And when the different browser of client use, when perhaps using the caching mechanism of same browser different editions, the static file of visit all can be determined by server end, be whether the unified decision of server end client browser visits up-to-date static file, thereby can stop the procedural problem that causes because of static file is expired.
2) manage the version identifier of all static files concentratedly.
The mode that the program page is replaced by template is extracted the call address of static file from unified configuration file, thereby and by the maintenance of configuration file being managed concentratedly the version identifier of all static files.When needs are changed the version identifier of some static files, only need this static file of change corresponding configuration item in configuration file to get final product, thereby guarantee that this static file is correctly quoted in all program pages.
3) change the version identifier of static file automatically by instrument.
After static file was changed, instrument can search corresponding configuration item automatically in configuration file, and corresponding version identifier in the change configuration file, and whole process need not artificial participation, has improved exploitation and maintenance efficiency.
Certainly, arbitrary product of enforcement the application might not need to reach simultaneously above-described all advantages.
Among the application, in order in configuration file, to change the version identifier (promptly being used to represent the sign of version) of a certain static file more easily, the robotization revision marking instrument of a development platform based on eclipse (this development platform is to use Software Development Platform the most widely) is provided among the application, by using this robotization revision marking instrument, can revise automatically the version identifier of static file, thereby make the whole process of method of above-mentioned control browser rs cache need not personnel's manual intervention, instrument one key can be finished.Framework schematic flow sheet as shown in Figure 5, wherein, the various piece among Fig. 5 all is positioned at server end.
Need to prove that robotization revision marking instrument among Fig. 5 can be based on the development platform of eclipse, can also no longer development platform be illustrated accordingly among the application for development platform based on other.
As shown in Figure 6, for based on above-mentioned framework situation, a kind of method flow diagram of controlling browser rs cache in the embodiment of the present application four may further comprise the steps:
Step 601, when the version identifier of static file changed, robotization revision marking instrument was according to the version identifier search configuration file of the static file that is modified, and found the configuration item of this configuration file correspondence.
Concrete, in actual applications, this version identifier can be used as the version identifier of static file, and promptly in this step, robotization revision marking instrument can be the latest edition sign version identifier in the configuration item of new configuration file correspondence more automatically according to current timestamp.
Step 604, robotization revision marking instrument is introduced the template generator page according to the configuration file after introducing.Wherein, in this program page, comprised the latest edition sign of static file correspondence, this version identifier is carried in the configuration file.
Need to prove that the application's method can be adjusted each sequence of steps according to actual needs.
In sum, among the application, when static file has renewal,, notify browser need download the static file of latest edition again and upgrade buffer memory by upgrading the version identifier in the reference address.
Concrete, by set up the mapping relations of static file and reference address in configuration file, all pages directly do not include the static file reference address of version identifier, but are written into the reference address of each static file by these mapping relations.In the performance history of software, after static file upgrades, by the robotization revision marking instrument version identifier that reference address comprised of this static file correspondence in the new configuration file more, thereby make that the reference address in relevant all pages of this static file is all upgraded.
The application comprises following advantage,
1) the up-to-date static file of assurance client browser access server end.
By the version identifier at server end generation static file, thereby the decision client browser is to download up-to-date static file or extract static file local cache from server end.And when the different browser of client use, when perhaps using the caching mechanism of same browser different editions, the static file of visit all can be determined by server end, be whether the unified decision of server end client browser visits up-to-date static file, thereby can stop the procedural problem that causes because of static file is expired.
2) manage the version identifier of all static files concentratedly.
The mode that the program page is replaced by template is extracted the call address of static file from unified configuration file, thereby and by the maintenance of configuration file being managed concentratedly the version identifier of all static files.When needs are changed the version identifier of some static files, only need this static file of change corresponding configuration item in configuration file to get final product, thereby guarantee that this static file is correctly quoted in all program pages.
3) change the version identifier of static file automatically by instrument.
After static file was changed, instrument can search corresponding configuration item automatically in configuration file, and corresponding version identifier in the change configuration file, and whole process need not artificial participation, has improved exploitation and maintenance efficiency.
Certainly, arbitrary product of enforcement the application might not need to reach simultaneously above-described all advantages.
Method for the control browser rs cache more clearly setting forth among the application to be proposed describes in detail below in conjunction with a concrete example.Wherein, this concrete example is that example describes with static file demo.js.
As shown in Figure 7, a kind of method flow diagram of controlling browser rs cache in the embodiment of the present application five may further comprise the steps:
Step 701, when the version identifier of static file demo.js changed, robotization revision marking instrument was according to the version identifier search configuration file of the static file demo.js that is modified, and found the configuration item of this configuration file correspondence.Wherein, is the pairing configuration item of this configuration file specially demo=/rootpath/demo.js? v=20090928.
Concrete, in actual applications, this version identifier can be used as the version identifier of static file, and promptly in this step, robotization revision marking instrument can be the latest edition sign version identifier in the configuration item of new configuration file correspondence more automatically according to current timestamp.
Configuration file demo=/rootpath/demo.js after step 703, robotization revision marking instrument will be upgraded by the template substitute mode? v=20091123 is incorporated into static file and introduces in the template.
Concrete, the static file of latest edition is＜script src="/rootpath/demo.js? v=20091123 " type=" text/javascript "＜/script 〉, wherein ,/rootpath/demo.js? v=20091123 is the version identifier part of configuration file.
Step 707, is the browser of client according to this latest edition sign/rootpath/demo.js? the static file of v=20091123 upgrades local cache.
Need to prove that the application's method can be adjusted each sequence of steps according to actual needs.
The application comprises following advantage,
1) the up-to-date static file of assurance client browser access server end.
By the version identifier at server end generation static file, thereby the decision client browser is to download up-to-date static file or extract static file local cache from server end.And when the different browser of client use, when perhaps using the caching mechanism of same browser different editions, the static file of visit all can be determined by server end, be whether the unified decision of server end client browser visits up-to-date static file, thereby can stop the procedural problem that causes because of static file is expired.
2) manage the version identifier of all static files concentratedly.
The mode that the program page is replaced by template is extracted the call address of static file from unified configuration file, thereby and by the maintenance of configuration file being managed concentratedly the version identifier of all static files.When needs are changed the version identifier of some static files, only need this static file of change corresponding configuration item in configuration file to get final product, thereby guarantee that this static file is correctly quoted in all program pages.
3) change the version identifier of static file automatically by instrument.
After static file was changed, instrument can search corresponding configuration item automatically in configuration file, and corresponding version identifier in the change configuration file, and whole process need not artificial participation, has improved exploitation and maintenance efficiency.
Certainly, arbitrary product of enforcement the application might not need to reach simultaneously above-described all advantages.
The above embodiments of the present application provide the methods and applications scene of control browser rs cache, and correspondingly, the application also provides equipment and the system that uses said method by following examples.
As shown in Figure 8, the structural representation for a kind of server in the embodiment of the present application six comprises:
Judge module 82 is used to judge whether the described static file that described acquisition module 81 obtains changes.
Sending module 84 is used for the described version identifier that described generation module 83 generates is sent to browser, upgrades local cache by described browser according to described version identifier.
Further, as shown in Figure 9, described server also comprises:
The version identifier of described static file correspondence comprises described static file time corresponding version identifier; Further, as shown in figure 10, described generation module 83 comprises:
First obtains submodule 831, is used to obtain the current time;
Second obtains submodule 832, is used for obtaining described current time that submodule 831 obtains as described static file time corresponding version identifier with described first.
In addition, described sending module 84 specifically is used for, and the configuration file of described static file correspondence is sent to described browser, has carried the corresponding relation of described version identifier and described static file address in the described configuration file.
Wherein, each module of apparatus of the present invention can be integrated in one, and also can separate deployment.Above-mentioned module can be merged into a module, also can further split into a plurality of submodules.
The application comprises following advantage,
1) the up-to-date static file of assurance client browser access server end.
By the version identifier at server end generation static file, thereby the decision client browser is to download up-to-date static file or extract static file local cache from server end.And when the different browser of client use, when perhaps using the caching mechanism of same browser different editions, the static file of visit all can be determined by server end, be whether the unified decision of server end client browser visits up-to-date static file, thereby can stop the procedural problem that causes because of static file is expired.
2) manage the version identifier of all static files concentratedly.
The mode that the program page is replaced by template is extracted the call address of static file from unified configuration file, thereby and by the maintenance of configuration file being managed concentratedly the version identifier of all static files.When needs are changed the version identifier of some static files, only need this static file of change corresponding configuration item in configuration file to get final product, thereby guarantee that this static file is correctly quoted in all program pages.
3) change the version identifier of static file automatically by instrument.
After static file was changed, instrument can search corresponding configuration item automatically in configuration file, and corresponding version identifier in the change configuration file, and whole process need not artificial participation, has improved exploitation and maintenance efficiency.
Certainly, arbitrary product of enforcement the application might not need to reach simultaneously above-described all advantages.
As shown in figure 11, a kind of client in the embodiment of the present application seven comprises:
Concrete, described receiver module 91 specifically is used for, and receives configuration file from the described static file correspondence of described server by self browser, has carried the corresponding relation of described version identifier and described static file address in the described configuration file.
In the client that the embodiment of the present application seven provides, as shown in figure 12, described processing module 93 further comprises:
Judge submodule 931, be used for when described browser is visited described static file according to the address of described static file, judging whether described version identifier is higher than the version identifier in the local cache;
Updating submodule 932 when being used for judged result when described judgement submodule 931 and being described version identifier and being higher than the version identifier of described local cache, is upgraded local cache according to the corresponding relation of described version identifier and described static file address.
Further, as shown in figure 13, described client also comprises:
Further, as shown in figure 14, described access modules 94 comprises:
First obtains submodule 941, is used for obtaining corresponding version identifier by described browser from described configuration file;
Second obtains submodule 942, be used for obtaining the described version identifier that submodule 941 obtains according to described first, and the address that obtains described static file of the corresponding relation by described version identifier and described static file address;
Visit submodule 943 is used for visiting described static file according to second address that obtains the described static file that submodule 942 obtains.
Wherein, each module of apparatus of the present invention can be integrated in one, and also can separate deployment.Above-mentioned module can be merged into a module, also can further split into a plurality of submodules.
The application comprises following advantage,
1) the up-to-date static file of assurance client browser access server end.
By the version identifier at server end generation static file, thereby the decision client browser is to download up-to-date static file or extract static file local cache from server end.And when the different browser of client use, when perhaps using the caching mechanism of same browser different editions, the static file of visit all can be determined by server end, be whether the unified decision of server end client browser visits up-to-date static file, thereby can stop the procedural problem that causes because of static file is expired.
2) manage the version identifier of all static files concentratedly.
The mode that the program page is replaced by template is extracted the call address of static file from unified configuration file, thereby and by the maintenance of configuration file being managed concentratedly the version identifier of all static files.When needs are changed the version identifier of some static files, only need this static file of change corresponding configuration item in configuration file to get final product, thereby guarantee that this static file is correctly quoted in all program pages.
3) change the version identifier of static file automatically by instrument.
After static file was changed, instrument can search corresponding configuration item automatically in configuration file, and corresponding version identifier in the change configuration file, and whole process need not artificial participation, has improved exploitation and maintenance efficiency.
Certainly, arbitrary product of enforcement the application might not need to reach simultaneously above-described all advantages.
Also proposed a kind of system that controls browser rs cache in the embodiment of the present application eight, having comprised:
Server is used to obtain the static file that generates webpage, and judges whether described static file changes; When judged result is a described static file when changing, generate the version identifier of described static file correspondence; And described version identifier sent to browser;
Client is used for receiving described version identifier by the browser of self, and upgrades local cache according to described version identifier.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better embodiment under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a station terminal equipment (can be mobile phone, personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be looked protection scope of the present invention.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be integrated in one, and also can separate deployment; A module can be merged into, also a plurality of submodules can be further split into.The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (15)
1. a method of controlling browser rs cache is characterized in that, may further comprise the steps:
Server obtains the static file that generates webpage, and judges whether described static file changes;
When judged result is a described static file when changing, described server generates the version identifier of described static file correspondence;
Described server sends to browser with described version identifier, upgrades local cache by described browser according to described version identifier.
2. the method for claim 1 is characterized in that, described server generates before the version identifier of described static file correspondence, also comprises:
Described server is the corresponding configuration file of each static file configuration; The version identifier of described static file correspondence and the corresponding relation of described static file address have been set up in the described configuration file.
3. method as claimed in claim 2 is characterized in that, the version identifier of described static file correspondence comprises described static file time corresponding version identifier; The version identifier that described server generates described static file correspondence comprises:
Described server obtains the current time, and with the described current time as described static file time corresponding version identifier.
4. method as claimed in claim 2 is characterized in that, described server sends to browser with described version identifier and comprises:
Described server sends to described browser with the configuration file of described static file correspondence, has carried the corresponding relation of described version identifier and described static file address in the described configuration file.
5. method as claimed in claim 4 is characterized in that, described browser upgrades local cache according to described version identifier and comprises:
When described browser was visited described static file according to the address of described static file, described browser judged whether described version identifier is higher than the version identifier in the local cache;
When judged result is a described version identifier when being higher than version identifier in the described local cache, then described browser upgrades local cache according to the corresponding relation of described version identifier and described static file address.
6. method as claimed in claim 5 is characterized in that, described browser is visited described static file according to the address of described static file and comprised:
Described browser obtains corresponding version identifier from described configuration file;
Described browser is according to described version identifier, and the address that obtains described static file of the corresponding relation by described version identifier and described static file address;
Described browser is visited described static file according to the address of described static file.
7. a server is characterized in that, comprising:
Acquisition module is used to obtain the static file that generates webpage;
Judge module is used to judge whether the described static file that described acquisition module obtains changes;
Generation module when being used for judged result when described judge module and being described static file and changing, generates the version identifier of described static file correspondence;
Sending module is used for the described version identifier that described generation module generates is sent to browser, upgrades local cache by described browser according to described version identifier.
8. server as claimed in claim 7 is characterized in that, also comprises:
Configuration module is used to the corresponding configuration file of each static file configuration; The version identifier of described static file correspondence and the corresponding relation of described static file address have been set up in the described configuration file.
9. server as claimed in claim 8 is characterized in that, the version identifier of described static file correspondence comprises described static file time corresponding version identifier;
Described generation module comprises:
First obtains submodule, is used to obtain the current time;
Second obtains submodule, is used for obtaining described current time that submodule obtains as described static file time corresponding version identifier with described first.
10. server as claimed in claim 8 is characterized in that,
Described sending module specifically is used for, and the configuration file of described static file correspondence is sent to described browser, has carried the corresponding relation of described version identifier and described static file address in the described configuration file.
11. a client is characterized in that, comprising:
Receiver module is used for receiving version identifier from server by self browser, and described version identifier is the version identifier of static file correspondence;
Judge module is used to judge whether the pairing static file of version identifier that described receiver module receives changes;
Processing module, when being used for judged result when described judge module and being described static file and changing, the described version identifier that receives according to described receiver module upgrades local cache.
12. client as claimed in claim 11 is characterized in that,
Described receiver module specifically is used for, and receives configuration file from the described static file correspondence of described server by self browser, has carried the corresponding relation of described version identifier and described static file address in the described configuration file.
13. client as claimed in claim 12 is characterized in that, described processing module comprises:
Judge submodule, be used for when described browser is visited described static file according to the address of described static file, judging whether described version identifier is higher than the version identifier in the local cache;
Updating submodule when being used for judged result when described judgement submodule and being described version identifier and being higher than the version identifier of described local cache, is upgraded local cache according to the corresponding relation of described version identifier and described static file address.
14. client as claimed in claim 13 is characterized in that, also comprises:
Access modules is used for visiting described static file according to the address of described static file;
Described access modules comprises:
First obtains submodule, is used for obtaining corresponding version identifier by described browser from described configuration file;
Second obtains submodule, be used for obtaining the described version identifier that submodule obtains according to described first, and the address that obtains described static file of the corresponding relation by described version identifier and described static file address;
The visit submodule is used for visiting described static file according to second address that obtains the described static file that submodule obtains.
15. a system that controls browser rs cache is characterized in that, comprising:
Server is used to obtain the static file that generates webpage, and judges whether described static file changes; When judged result is a described static file when changing, generate the version identifier of described static file correspondence; And described version identifier sent to browser;
Client is used for receiving described version identifier by the browser of self, and upgrades local cache according to described version identifier.
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| CN2009102658715A CN102109989A (en) | 2009-12-29 | 2009-12-29 | Method, device and system for controlling browser cache |
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