CN104715025A - Data storage method and device for offline Web application - Google Patents
Data storage method and device for offline Web application Download PDFInfo
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- CN104715025A CN104715025A CN201510094566.XA CN201510094566A CN104715025A CN 104715025 A CN104715025 A CN 104715025A CN 201510094566 A CN201510094566 A CN 201510094566A CN 104715025 A CN104715025 A CN 104715025A
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- G06F16/10—File systems; File servers
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Abstract
The invention discloses a data storage method and device for an offline Web application. The data storage method for the offline Web application specifically comprises the steps that whether the local storage space of the Web application is sufficient or not is detected; if the storage space is not sufficient, a local database is established at the specific position; the data of the Web application are downloaded from the server side and stored in the local database. By the adoption of the data storage method and device for the offline Web application, the data of the Web application are stored by establishing the local database, and the purpose of increasing the storage space of the data of the Web application is achieved.
Description
Technical field
The application relates to field of computer technology, is specifically related to Web applied technical field, particularly relates to the date storage method and device applied for off-line Web.
Background technology
Web application is the application program that one can be conducted interviews by Web (webpage).User just directly can access Web application by web browser, and does not need additionally to install other softwares again.Along with the develop rapidly of computer technology, some online Web application (such as, search engine marketing system) needs manage a large amount of data.In the prior art, in order to improve the treatment effeciency of Web application to data in enormous quantities, usually HTML5 (Hyper Text Markup Language 5 can be used, 5th material alteration of HTML (Hypertext Markup Language)) data that Web applies are kept at this locality by offline storage technology, user can first be processed off-line data in this locality, and then by the mode uploaded by the data syn-chronization after process to database on line.
But the local storage scheme of HTML5 is limited by the characteristic of web browser itself, and its storage space that can utilize is very limited.Such as, for Google's browser, an off-line Web applies and only can take at most 10% of this user's present hard discs residue free space, and Google's browser default installation is at C dish, and its available storage space usually can not be too many.Therefore, the data space that off-line Web applies is very limited, and especially those need the Web of managing mass data to apply, and very easily owing to cannot obtain enough data spaces, and cannot carry out normal off-line operation.
Summary of the invention
This application provides a kind of date storage method for off-line Web application and device, local data base can being built for storing the data of Web application, to realize the object increasing off-line Web application data store space.
First aspect, this application provides a kind of date storage method applied for off-line Web, the method comprises: whether detection Web is applied in local storage space sufficient; If memory space inadequate, then build local data base at assigned address; Download the data of Web application from server end and preserve in the local database.
Second aspect, this application provides a kind of data storage device applied for off-line Web, this device comprises: detection module, and whether for detecting Web, to be applied in local storage space sufficient; Build module, for when an insufficient storage space exists, build local data base at assigned address; Preserve module, for downloading the data of Web application from server end and preserving in the local database.
The date storage method for off-line Web application that the application provides and device, first whether can detecting Web, to be applied in local storage space sufficient, if inadequate, then can build a local data base at the assigned address of this locality, for preserving the data of the Web application of downloading from server end.By building database in this locality, the data that Web applies are stored, the data space that off-line Web is applied no longer can be limited to the characteristic of web browser itself, thus significantly increase the data space of off-line Web application, guarantee that the off-line Web application having mass data can trouble-free operation.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, the other features, objects and advantages of the application will become more obvious:
Fig. 1 is the process flow diagram of an embodiment of the date storage method that the application applies for off-line Web; And
Fig. 2 is the functional module construction schematic diagram of an embodiment of the data storage device that the application applies for off-line Web.
Embodiment
Below in conjunction with drawings and Examples, the application is described in further detail.Be understandable that, specific embodiment described herein is only for explaining related invention, but not the restriction to this invention.It also should be noted that, for convenience of description, in accompanying drawing, illustrate only the part relevant to Invention.
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the application in detail in conjunction with the embodiments.
Please refer to Fig. 1, it illustrates the flow process 100 of an embodiment of the date storage method applied for off-line Web.The present embodiment is mainly applied in this way and can illustrates in the terminal of access network, and this terminal can be various intelligent terminal, comprises smart mobile phone, panel computer, desk-top computer, pocket computer on knee and Wearable device etc.The date storage method for off-line Web application of the present embodiment can be applied to the web application managing data in enormous quantities, as search engine marketing system etc.Off-line Web application in the present embodiment can be the HTML5Web application run in the web browser of terminal.The date storage method applied for off-line Web of the present embodiment, comprises the following steps:
As shown in Figure 1, in a step 101, whether detecting Web, to be applied in local storage space sufficient.
In the present embodiment, after user selects to run off-line Web application, whether first terminal can detect Web to be applied in local storage space sufficient.Wherein, Web is applied in local storage space and can refers in this locality the storage space dividing and be used in this Web and apply.In some implementations, Web is applied in local storage space can be the free memory of web browser in this locality running this Web application.Usually, web browser depends primarily on the residual memory space of the fdisk at its place and the ratio of its this residual memory space that can use at the storage space of this locality.Such as, web browser is arranged in the C dish of computing machine usually, if the residual memory space of current C dish is 4GB, and the characteristic of web browser itself determines that the ratio of its this residual memory space that can use is 20%, then can determine that Web is applied in local storage space is 0.8GB.Particularly, when whether the storage space that detection Web is applied in this locality is sufficient, it is how many for first can determining that Web is applied in local storage space, then determines that whether this storage space is sufficient according to predetermined judgment rule.Such as, according to the data storage requirement of Web application, the threshold value of a storage space can be preset.When the storage space that Web is applied in this locality is greater than this threshold value, then it is sufficient for can determining that Web is applied in local storage space, otherwise it is inadequate then can to determine that Web is applied in local storage space.
In an optional implementation of the present embodiment, detect Web to be applied in local storage space whether abundance comprises: be applied in local current free memory according to Web and treat the data volume downloaded from server end, whether sufficiently determine that Web is applied in local storage space.In the present embodiment, when whether the storage space that detection Web is applied in this locality is sufficient, local current free memory can be applied in by Web and treats to determine from the data volume of server end download.Particularly, when determining that Web is applied in local current free memory, first can determine that Web is applied in the total amount of local storage space, it depends primarily on the residual memory space of the fdisk at web browser place and the ratio of its this residual memory space that can use.And then determine the use amount of Web application to local storage space, this use amount normally Web be applied in before off-line operation in shared.The total amount being finally applied in the storage space of this locality with Web deducts use amount, just can obtain Web and be applied in local current free memory.When determining Web application until the data volume downloaded from server end, terminal can communicate with server end, and the attribute information of online data according to server end, such as interpolation time and size of data etc., determines data volume to be downloaded.After obtaining Web and being applied in local current free memory and data volume to be downloaded, whether sufficiently just can determine that Web is applied in local storage space according to the size of the two or proportionate relationship.In a kind of possible implementation, when the current free memory that Web is applied in this locality is greater than data volume to be downloaded, then can determine that Web is applied in local storage space sufficient, otherwise it is inadequate then to determine that Web is applied in local storage space.In the implementation that another kind is possible, a proportion threshold value can be preset, such as 70%, be no more than 70% of the current free memory of this locality time when Web applies data volume to be downloaded, then can determine that Web is applied in local storage space sufficient, otherwise it is inadequate then to determine that Web is applied in local storage space.
Then, in a step 102, if memory space inadequate, then local data base is built at assigned address.
In the present embodiment, when detecting that in above-mentioned steps 101 Web is applied in local memory space inadequate, just local data base can be built at assigned address.Particularly, when Web is applied in local memory space inadequate, when Web application off-line operation is described, required data all cannot be kept at this locality, therefore probably cause off-line Web application normally to run.Now, build at the assigned address of terminal the database that can be preserved mass data with regard to needing.It should be noted that, this assigned address does not comprise the position running the web browser place that this Web applies usually.Such as, when web browser is arranged on the C dish of computing machine, then local data base can be arranged at the fdisk (such as D dish or E dish etc.) of other storage space abundances of computing machine, like this, and the data that local data base just can have enough storage spaces to apply to preserve off-line Web.
In an optional implementation of the present embodiment, build local data base and comprise and build local data base by plug-in unit.In the present embodiment, when terminal detects that Web is applied in local memory space inadequate, can reminding user current memory space full, and for user provides can at the plug-in unit of local building database to solve the problem of memory space inadequate.After user downloads and installed plug-in unit in terminal, just can build local data base by this plug-in unit at the assigned address of terminal.Plug-in unit is the program that a kind of application programming interfaces following certain specification are write, and under it can only operate in the system platform of procedure stipulation, and can not depart from the platform isolated operation of specifying.Plug-in unit in the present embodiment needs to build local data base based on web browser usually.The present embodiment builds local data base by plug-in unit, its flexible structure, is easy to safeguard, can be applied in local storage space by rapid expansion Web.
Alternatively, assigned address comprises installation site or the specified location in user of plug-in unit.In a kind of possible mode of the present embodiment, plug-in unit can be arranged on the local position of storage space abundance by user, other positions namely outside web browser position.Like this, when building local data base by plug-in unit, just directly can build database in the installation site of plug-in unit.In the mode that the another kind of the present embodiment is possible, plug-in unit can be arranged on the local position of storage space abundance by user, and plug-in unit also can be arranged on web browser position by other positions namely outside web browser position.Like this, when building local data base by plug-in unit, user can be allowed to specify the particular location building local data base further.The present embodiment can determine the structure position of local data base neatly, thus improves the applicability of the date storage method applied for off-line Web.
Finally, in step 103, download the data of Web application from server end and preserve in the local database.
In the present embodiment, after build local data base in above-mentioned steps 102, just can download the data of Web application from server end and preserve in the local database.Particularly, terminal by various wired or wireless mode, can download its online data managed from the server end of Web application, and preserves in the local database, the online data downloaded as off-line data required during Web application off-line operation.Wherein, above-mentioned radio connection includes but not limited to the radio connection that 3G connection, WiFi connection, bluetooth connection, WiMAX connection, Zigbee connection, UWB (ultra wideband) connection or other future will develop.It should be noted that, the off-line Web application in the present embodiment does not refer to that Web application itself keeps off-line state, but this Web application can carry out bookkeeping to off-line data.When off-line Web application is activated, first it will carry out data communication with server, and the latest data of server end is downloaded to this locality, to guarantee that local off-line data is consistent with the online data of server end.
In an optional implementation of the present embodiment, the date storage method applied for off-line Web of the present embodiment can also comprise: Web is applied in the data batchmove that stored in local storage space in local data base.In the present embodiment, in the off-line operation process before Web is applied in, in the local storage space that the off-line data probably having saved a part is applied at Web.Along with the increase of the data volume of Web application, Web is applied in the deficiency that local storage space becomes.Terminal can build a database for depositing newly-increased data at the assigned address of this locality.Like this, the data of Web application will be kept at two positions of terminal local, i.e. in the storage space of Web application itself and in the local data base that assigned address builds.When offline webpage runs, just need to read data from above-mentioned two positions respectively, this has a negative impact to the data-handling efficiency that off-line Web applies possibly.Therefore, the present embodiment can also further by the data batchmove that stored in current memory space in local data base.Like this, off-line Web applies required total data when running and is kept at local same position, thus can improve the data-handling efficiency of off-line Web application further.
In an optional implementation of the present embodiment, local data base is local light-weight database.In the present embodiment, the local data base built at assigned address is light-weight database.Wherein, light-weight database refer to those itself very little, can reduce application program management accessing cost for data, portable good, be easy to use, efficient and reliable database, such as, light-weight database SQLite etc.The present embodiment, by building the data that light-weight database preserves Web application in this locality, optimizes the operability of off-line data further.
The date storage method applied for off-line Web that above-described embodiment of the application provides, first whether can detecting Web, to be applied in local storage space sufficient, if inadequate, then can build a local data base at the assigned address of this locality, for preserving the data of the Web application of downloading from server end.By building database in this locality, the data that Web applies are stored, the data space that off-line Web is applied no longer can be limited to the characteristic of web browser itself, thus significantly increase the data space of off-line Web application, guarantee that the off-line Web application having mass data can trouble-free operation.
With further reference to Fig. 2, it illustrates the functional module construction schematic diagram of an embodiment of the data storage device applied for off-line Web.
As shown in Figure 2, the data storage device for off-line Web application of the present embodiment comprises: detection module 210, structure module 220 and preservation module 230.
Detection module 210, whether for detecting Web, to be applied in local storage space sufficient.
Build module 220, for when detection module 210 detects memory space inadequate, build local data base at assigned address.
Preserve module 230, for downloading the data of Web application from server end and being kept in the local data base building module 220 structure.
In an optional implementation of the present embodiment, detection module 210 can comprise:
Whether sufficient determining unit, for being applied in local current free memory according to Web and treating the data volume from server end download, determine that Web is applied in local storage space.
In an optional implementation of the present embodiment, build module 220 specifically for when an insufficient storage space exists, build local data base at assigned address by plug-in unit.
In an optional implementation of the present embodiment, assigned address comprises installation site or the specified location in user of plug-in unit.
In an optional implementation of the present embodiment, the data storage device applied for off-line Web can also comprise:
Shift module, for being applied in the data batchmove that stored in local storage space to building in local data base that module 220 builds by Web.
In an optional implementation of the present embodiment, local data base is local light-weight database.
Should be appreciated that all modules of recording in Fig. 2 or unit corresponding with each step in the method described with reference to figure 1.Thus, the operation described for method above and feature are equally applicable to device in Fig. 2 and the unit wherein comprised or module, do not repeat them here.
The data storage device applied for off-line Web that above-described embodiment of the application provides, whether first detection module can detect Web to be applied in local storage space sufficient, if inadequate, then build module and can build a local data base at the assigned address of this locality, preserve module can preserve the Web application of downloading from server end data with local data base.By building database in this locality, the data that Web applies are stored, the data space that off-line Web is applied no longer can be limited to the characteristic of web browser itself, thus significantly increase the data space of off-line Web application, guarantee that the off-line Web application having mass data can trouble-free operation.
Be described in module involved in the embodiment of the present application to be realized by the mode of software, also can be realized by the mode of hardware.Described module also can be arranged within a processor, such as, can be described as: a kind of processor comprises detection module, builds module and preserve module.Wherein, the title of these modules does not form the restriction to this module itself under certain conditions, and such as, detection module can also be described to " being applied in the whether sufficient module of local storage space for detecting Web ".
As another aspect, present invention also provides a kind of computer-readable recording medium, this computer-readable recording medium can be the computer-readable recording medium comprised in device in above-described embodiment; Also can be individualism, be unkitted the computer-readable recording medium allocated in terminal.Described computer-readable recording medium stores more than one or one program, and described program is used for performance description in the date storage method applied for off-line Web of the application by one or more than one processor.
More than describe and be only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art are to be understood that, invention scope involved in the application, be not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should be encompassed in when not departing from described inventive concept, other technical scheme of being carried out combination in any by above-mentioned technical characteristic or its equivalent feature and being formed simultaneously.The technical characteristic that such as, disclosed in above-mentioned feature and the application (but being not limited to) has similar functions is replaced mutually and the technical scheme formed.
Claims (12)
1., for the date storage method that off-line Web applies, it is characterized in that, described method comprises:
Whether detecting described Web, to be applied in local storage space sufficient;
If described memory space inadequate, then build local data base at assigned address;
Download the data of described Web application from server end and be kept at described local data base.
2. method according to claim 1, is characterized in that, the described Web of described detection is applied in local storage space, and whether abundance comprises:
Be applied in local current free memory according to described Web and treat the data volume from server end download, whether sufficiently determining that described Web is applied in local storage space.
3. method according to claim 1, is characterized in that, described structure local data base comprises and builds described local data base by plug-in unit.
4. method according to claim 3, is characterized in that, described assigned address comprises installation site or the specified location in user of described plug-in unit.
5. method according to claim 1, is characterized in that, described method also comprises:
Described Web is applied in the data batchmove that stored in local storage space in described local data base.
6. the method according to any one of claim 1 to 5, is characterized in that, described local data base is local light-weight database.
7., for the data storage device that off-line Web applies, it is characterized in that, described device comprises:
Detection module, whether for detecting described Web, to be applied in local storage space sufficient;
Build module, for when described memory space inadequate, at assigned address structure local data base;
Preserve module, for downloading the data of described Web application from server end and being kept in described local data base.
8. device according to claim 7, is characterized in that, described detection module comprises:
Whether sufficient determining unit, for being applied in local current free memory according to described Web and treating the data volume from server end download, determine that described Web is applied in local storage space.
9. device according to claim 7, is characterized in that, described structure module is further used for, when described memory space inadequate, building local data base at assigned address by plug-in unit.
10. device according to claim 9, is characterized in that, described assigned address comprises installation site or the specified location in user of described plug-in unit.
11. devices according to claim 7, is characterized in that, described device also comprises:
Shift module, for being applied in the data batchmove that stored in local storage space in described local data base by described Web.
12. devices according to any one of claim 7 to 11, it is characterized in that, described local data base is local light-weight database.
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| CN201510094566.XA CN104715025A (en) | 2015-03-03 | 2015-03-03 | Data storage method and device for offline Web application |
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| CN201510094566.XA CN104715025A (en) | 2015-03-03 | 2015-03-03 | Data storage method and device for offline Web application |
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| CN106294069A (en) * | 2016-08-04 | 2017-01-04 | 浪潮(北京)电子信息产业有限公司 | A kind of performance of storage system based on circular database monitoring method and apparatus |
| CN107087018A (en) * | 2017-03-14 | 2017-08-22 | 深圳市金立通信设备有限公司 | A kind of method and terminal for running web application |
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Application publication date: 20150617 |