CN110177150A - Data acquisition method and device, electronic equipment and readable storage medium - Google Patents
Data acquisition method and device, electronic equipment and readable storage medium Download PDFInfo
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- CN110177150A CN110177150A CN201910491661.1A CN201910491661A CN110177150A CN 110177150 A CN110177150 A CN 110177150A CN 201910491661 A CN201910491661 A CN 201910491661A CN 110177150 A CN110177150 A CN 110177150A
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- electronic equipment
- informative abstract
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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
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
- H04L67/5683—Storage of data provided by user terminals, i.e. reverse caching
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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
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
- H04L67/63—Routing a service request depending on the request content or context
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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
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The embodiment of the invention provides a data acquisition method, a data acquisition device, electronic equipment and a readable storage medium. The method is applied to the electronic equipment and comprises the following steps: when a data access request is received, first data are obtained from a server; the first data is data located at a preset position in second data requested to be accessed by the data access request; calculating an information abstract value of the first data by using a preset information abstract algorithm; searching an information abstract value in an application program cache of the electronic equipment; and when the information abstract value is found, acquiring second data which is stored in the application program cache and has a mapping relation with the information abstract value. Therefore, the second data can be acquired from the application program cache of the electronic equipment, and the data acquisition speed is improved.
Description
Technical field
The present invention relates to Internet technical field, more particularly to a kind of data capture method, device, electronic equipment and can
Read storage medium.
Background technique
Currently, in order to improve the speed for obtaining data, Chang Liyong CDN (Content Delivery Network, content point
Hairnet network) it is next data cached.For example, utilizing CDN node caching data A acquired in the server.In this way, with the CDN node
The electronic equipment being closer can obtain data A from the CDN node, without obtaining the data from the server of distant place
A improves the speed for obtaining data A.
Inventor has found that the speed that this kind obtains the mode of data is still relatively slow in the implementation of the present invention, can not
Meets the needs of growing ground quick obtaining data.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of data capture method, device, electronic equipment and readable storage medium
Matter, the second data can be obtained from the application cache of electronic equipment, to improve the speed for obtaining data.Specific skill
Art scheme is as follows:
In a first aspect, being applied to electronic equipment the embodiment of the invention provides a kind of data capture method, may include:
When receiving data access request, the first data are obtained from server；Wherein, the first data are data access
Request the data for being located at predeterminated position in the second requested access to data；
Using preset message digest algorithm, the informative abstract value of the first data is calculated；
Informative abstract value is searched in the application cache of electronic equipment；
When finding informative abstract value, obtaining the foundation of store in application cache and informative abstract value has mapping
Second data of relationship.
Optionally, in embodiments of the present invention, this method can also include:
When not finding informative abstract value, the second data are obtained from server.
Optionally, in embodiments of the present invention, when receiving data access request, the first data are obtained from server
The step of, may include:
When receiving data access request, the byte long for the second data that data access request is requested access to is determined
Degree；
Based on byte length, division obtains the first preset quantity data interval corresponding to the second data；
From the byte data for obtaining predeterminated position in the second data, each data intervals in server；
The byte data obtained from each data interval is combined, the first data are obtained.
Optionally, in embodiments of the present invention, predeterminated position may include: preceding second preset quantity of each data interval
Position corresponding to a byte data, or, position corresponding to the rear third preset quantity byte data of each data interval.
Optionally, in embodiments of the present invention, message digest algorithm may include: that hash algorithm, MD5 algorithm or MD4 are calculated
Method.
Second aspect, the embodiment of the invention also provides a kind of data acquisition facilities, are applied to electronic equipment, can wrap
It includes:
First obtains module, for obtaining the first data from server when receiving data access request；Wherein,
It is located at the data of predeterminated position in the second data that first data are requested access to by data access request；
Computing module calculates the informative abstract value of the first data for utilizing preset message digest algorithm；
Searching module, for searching informative abstract value in the application cache of electronic equipment；
Second obtains module, for obtaining store in application cache and information when finding informative abstract value
Digest value establishes the second data for having mapping relations.
Optionally, in embodiments of the present invention, which can also include:
Third obtains module, for obtaining the second data from server when not finding informative abstract value.
Optionally, in embodiments of the present invention, the first acquisition module specifically can be used for:
When receiving data access request, the byte long for the second data that data access request is requested access to is determined
Degree；
Based on byte length, division obtains the first preset quantity data interval corresponding to the second data；
From the byte data for obtaining predeterminated position in the second data, each data intervals in server；
The byte data obtained from each data interval is combined, the first data are obtained.
Optionally, in embodiments of the present invention, predeterminated position may include: preceding second preset quantity of each data interval
Position corresponding to a byte data, or, position corresponding to the rear third preset quantity byte data of each data interval.
Optionally, in embodiments of the present invention, message digest algorithm may include: that hash algorithm, MD5 algorithm or MD4 are calculated
Method.
The third aspect, the embodiment of the invention also provides a kind of electronic equipment, may include processor, communication interface, deposit
Reservoir and communication bus, wherein processor, communication interface, memory complete mutual communication by communication bus；
Memory, for storing computer program；
Processor when for executing the program stored on memory, realizes the described in any item method steps of first aspect
Suddenly.
Fourth aspect is stored with meter the embodiment of the invention also provides a kind of readable storage medium storing program for executing in readable storage medium storing program for executing
Calculation machine program realizes first aspect described in any item method and steps when computer program is executed by processor.
5th aspect, the embodiment of the invention also provides a kind of computer program products comprising instruction, when it is in electronics
When being run in equipment, so that electronic equipment executes the described in any item method and steps of first aspect.
In embodiments of the present invention, electronic equipment can obtain when receiving data access request from server
One data.Wherein, the data of predeterminated position are located in the second data which is requested access to by data access request.
It is then possible to calculate the informative abstract value of the first data using preset message digest algorithm.Later, it can be set in the electronics
The informative abstract value is searched in standby application cache.When finding the informative abstract value, the available application program
The second data being stored in caching, having mapping relations with informative abstract value foundation.In this way, can be from the application of electronic equipment
The second data are obtained in program cache, without obtaining second data from server, improve the speed for obtaining data.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of flow chart of data capture method provided in an embodiment of the present invention；
Fig. 2 is a kind of flow chart of method for obtaining the first data provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of data acquisition facility provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of a kind of electronic equipment provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The technical issues of in order to solve in the presence of the prior art, the embodiment of the invention provides a kind of data recipients
Method, device, electronic equipment and readable storage medium storing program for executing.
Data capture method provided in an embodiment of the present invention is illustrated first below.
Data capture method provided in an embodiment of the present invention can be applied to electronic equipment.The electronic equipment includes but not
It is confined to computer, mobile phone and intelligent wearable device.Referring to Fig. 1, data capture method provided in an embodiment of the present invention be can wrap
Include following steps:
S101: when receiving data access request, the first data are obtained from server；Wherein, the first data are number
It is located at the data of predeterminated position in the second data requested access to according to access request；
It is understood that the data access request can be picture access request, video access request, JS (Java
Script, Java script) nets such as access request and CSS (Cascading Style Sheets, cascading style sheets) access request
Any one in page static resource, naturally it is also possible to be the webpage static resource access request for a webpage, certainly simultaneously
It is not limited to this.
Electronic equipment, can be from first obtaining in requested access to data after receiving data access request in server
A part of data.That is, first from obtained in server it is in the second data that the data access request is requested access to, be located at it is default
First data of position.Due to only obtaining a part of data from server, acquired data volume is less, thus can be quickly
Acquire the partial data.
Wherein, first data and the second data can be to be one or more in picture, video, JS and CSS, certainly simultaneously
It is not limited to this.In addition, the server can be the corresponding source server of application program of the sending data access request,
It can be CDN (Content Delivery Network, content distributing network) node, this is all reasonable.In addition, this is default
Position can refer to a position, be also possible to multiple positions, this is all reasonable.
Referring to fig. 2, electronic equipment specifically can obtain as follows the first data:
S1011: when receiving data access request, the word for the second data that data access request is requested access to is determined
Save length；
For example, after electronic equipment receives data access request, it can determine that data access request is requested access to
The second data byte length be 100 bytes.
S1012: being based on byte length, and division obtains the first preset quantity data interval corresponding to the second data；
For example, electronic equipment can be based on 100 byte of byte length, and it is 3 corresponding that division obtains the second data
Data interval is [1,30), [30,60) and [60,100].In this way, it is right that the second data institute can be obtained with the byte length of the second data
3 data intervals answered.Wherein, 3 data intervals divided are not limited to above-mentioned cited division mode.
It is understood that the first preset quantity is specifically as follows 4,3 or 2, it is not limited thereto certainly.Its
In, when the corresponding number of the first preset quantity is bigger, then the data interval number divided is more, in this way, can be with
Extract the byte data in multiple data intervals.
S1013: from the byte data for obtaining predeterminated position in the second data, each data intervals in server；
For example, electronic equipment can be obtained from server: it is in the second data and be located at data interval [1,30)
Interior preceding 5 bytes；It is in second data and be located at data interval [30,60) preceding 5 bytes in；In second data and position
In preceding 5 bytes in data interval [60,100].In this way, the available byte number to predeterminated position in each data interval
According to.
Specifically, server can determine correspond in the second data data interval [1,30) in the first subdata, the
In two data correspond to data interval [30,60) in the second subdata, and determine the second data in correspond to data interval
[60,100] the third subdata in.Then, server can determine the first subdata, the second subdata and third subnumber respectively
It is located at the byte data of predeterminated position (such as first 5) in, it can determine pre- in each data interval in the second data
If the byte data of position.To which electronic equipment can be from each data interval obtained in the second data in server
First five byte data.
It is understood that predeterminated position may include: the preceding second preset quantity byte data of each data interval
Corresponding position, or, position corresponding to the rear third preset quantity byte data of each data interval.Certain not office
It is limited to this.
Also, the first preset quantity, the second preset quantity are a and third preset quantity can be by those skilled in the art
It is set, is not limited thereto certainly as the case may be.
Further it will be understood that there may be following situations: the second data are K1 before first time point, first
After time point, the second data K1 is modified to the second data K2.So, this kind extracts the byte data in multiple data intervals
Mode, it is ensured that after the second data are modified, the byte data extracted from multiple byte sections is different from the
The byte data that two data are extracted before modification.
S1014: the byte data obtained from each data interval is combined, and obtains the first data.
Assuming that from the data interval in the second data, [1,30) byte data obtained is abcde, from data interval
[30,60) byte data obtained be cdefg, and from data interval [60,100] byte data obtained be hijkm.That
, byte data obtained can be combined according to span order from left to right, obtain the first data
abcdecdefghijkm.It is of course also possible to byte data obtained is combined according to span order from right to left,
This is all reasonable.Certainly it is not limited thereto.
S102: utilizing preset message digest algorithm, calculates the informative abstract value of the first data；
After obtaining the first data, electronic equipment can use preset message digest algorithm and calculate first data
Informative abstract value.Wherein, which can be with unique identification first data.
Preset message digest algorithm includes but is not limited to: (Cyclic Redundancy Check is recycled superfluous CRC
Remaining verification) algorithm, SHA (Secure Hash Algorithm, secure hash algorithm) algorithm, RIPEMD (RACE Integrity
Primitives Evaluation Message Digest, RACE raw integrity verification message abstract) algorithm, MD4
(Message-Digest Algorithm 4, message digest algorithm edition 4) algorithm and MD5 (Message-Digest
Algorithm 5, message digest algorithm version 5) algorithm.
S103: informative abstract value is searched in the application cache of electronic equipment；
S104: when finding informative abstract value, obtain application cache in store, with informative abstract value establish have
Second data of mapping relations.
Wherein, after the informative abstract value of the first data is calculated, electronic equipment can answering in the electronic equipment
With searching the informative abstract value in program cache.When the informative abstract value can be found, show the electronic equipment in history
On second data were downloaded from server.At this point, stored in the available application cache of electronic equipment and information
Digest value establishes the second data for having mapping relations.In this way, the second number can be obtained from the application cache of electronic equipment
According to, without obtaining second data from server, improve obtain data speed.Moreover, reducing electronic equipment
Flow consumption and bandwidth occupancy.
When not finding informative abstract value, show the electronic equipment do not downloaded from server in history this second
Data.At this point it is possible to obtain the second data from server.And it is possible to obtain the first of the second data in the manner described above
Then data calculate the informative abstract value of the first data.Then, the mapping relations of first data and the informative abstract value are deposited
Storage into application cache, in order to it is subsequent can be with quick obtaining second data.
Wherein, it above by using the byte data of specific position in multiple data intervals to be merged into the first data, and counts
The mode for calculating the informative abstract value of first data, can extract the byte data of various pieces in the second data.In this way, subtracting
Having lacked partial data modification in the second data, still the still identical situation of obtained informative abstract value occurs.It is thus possible to
Avoid the second data that mistake is found based on informative abstract value.
In embodiments of the present invention, electronic equipment can obtain when receiving data access request from server
One data.Wherein, the data of predeterminated position are located in the second data which is requested access to by data access request.
It is then possible to calculate the informative abstract value of the first data using preset message digest algorithm.Later, it can be set in the electronics
The informative abstract value is searched in standby application cache.When finding the informative abstract value, the available application program
The second data being stored in caching, having mapping relations with informative abstract value foundation.In this way, can be from the application of electronic equipment
The second data are obtained in program cache, without obtaining second data from server, improve the speed for obtaining data.
Below with reference to specific example, data capture method provided in an embodiment of the present invention is illustrated again.
Assuming that user needs to access webpage https by the first browser installed in electronic equipment: //
www.baidu.com.Wherein, electronic equipment shows that the webpage needs to use JQuery frame, that is, needs to use JQuery
JQuery.js file corresponding to frame.Wherein, JQuery frame is the library JS of lightweight.
When electronic equipment receives webpage https: after the data access request of //www.baidu.com, electronic equipment
It can be from a part of data in Baidu's server pull JQuery.js file as the first data.Wherein, which can
Think preceding 10 byte datas, intermediate 10 byte datas and rear 10 byte datas of JQuery.js file.Then, electric
Sub- equipment can be based on HASH (hash) algorithm, calculate the informative abstract value of the first data.And, it is assumed that the information being calculated
Digest value is 28A2D8.
Then, electronic equipment can search informative abstract value 28A2D8 in local browser rs cache.When search not
When to informative abstract value 28A2D8, then show that electronic equipment did not downloaded the JQuery.js file from server.At this point, electric
Sub- equipment can pull the JQuery.js file from Baidu's server, and by the informative abstract value 28A2D8 and be somebody's turn to do
JQuery.js file correspondence is stored in the first browser rs cache.
In addition, when user accesses webpage https by the second browser installed in electronic equipment: //
When www.baidu.com, then, electronic equipment is receiving webpage https: the data access request of //www.baidu.com
Later, electronic equipment can be from a part of data in Baidu's server pull JQuery.js file as the first data.And
And the informative abstract value for the first data being calculated is 28A2D8.
Then, electronic equipment can search informative abstract value 28A2D8 in the first browser rs cache, at this point, showing
One browser downloaded the JQuery.js file in history.In that case, electronic equipment can be directly from the first browsing
The JQuery.js file established with the informative abstract value 28A2D8 and there are mapping relations is pulled in device caching.In this way, can be from local
JQuery.js file is obtained, to accelerate the speed of access webpage, and reduces the flow consumption and bandwidth of electronic equipment
It occupies.
Wherein, when user accesses webpage https by the second browser installed in electronic equipment: //
When www.baidu.com, informative abstract value of the electronic equipment from the first data in Baidu's server pull JQuery.js file
It is not 28A2D8 and is 28B2D8, then shows JQuery.js file and modified.Also, in local browser rs cache
Middle lookup is less than informative abstract value 28B2D8.So.This in that case, electronic equipment can be pulled from Baidu's server
The JQuery.js file modified, and the informative abstract value 28B2D8 and JQuery.js modified is literary
Part correspondence is stored in the first browser rs cache.
It to sum up, can be from the application cache of electronic equipment using data acquisition scheme provided in an embodiment of the present invention
The second data of middle acquisition improve the speed for obtaining data.To accelerate the speed of access webpage, and reduce electronics
The flow of equipment consumes and bandwidth occupancy.
Corresponding to above method embodiment, the embodiment of the invention also provides a kind of data acquisition facilities, are applied to electronics
Equipment, referring to Fig. 3, the apparatus may include:
First obtains module 301, for obtaining the first data from server when receiving data access request；Its
In, the data of predeterminated position are located in the second data that the first data are requested access to by data access request；
Computing module 302 calculates the informative abstract value of the first data for utilizing preset message digest algorithm；
Searching module 303, for searching informative abstract value in the application cache of electronic equipment；
Second obtains module 304, for when finding informative abstract value, obtain it is being stored in application cache, with
Informative abstract value establishes the second data for having mapping relations.
In embodiments of the present invention, electronic equipment can obtain when receiving data access request from server
One data.Wherein, the data of predeterminated position are located in the second data which is requested access to by data access request.
It is then possible to calculate the informative abstract value of the first data using preset message digest algorithm.Later, it can be set in the electronics
The informative abstract value is searched in standby application cache.When finding the informative abstract value, the available application program
The second data being stored in caching, having mapping relations with informative abstract value foundation.In this way, can be from the application of electronic equipment
The second data are obtained in program cache, without obtaining second data from server, improve the speed for obtaining data.
Optionally, in embodiments of the present invention, which can also include:
Third obtains module, for obtaining the second data from server when not finding informative abstract value.
Optionally, in embodiments of the present invention, the first acquisition module 301 is specifically used for:
When receiving data access request, the byte long for the second data that data access request is requested access to is determined
Degree；
Based on byte length, division obtains the first preset quantity data interval corresponding to the second data；
From the byte data for obtaining predeterminated position in the second data, each data intervals in server；
The byte data obtained from each data interval is combined, the first data are obtained.
Optionally, in embodiments of the present invention, predeterminated position includes: the preceding second preset quantity word of each data interval
Joint number is according to corresponding position, or, position corresponding to the rear third preset quantity byte data of each data interval.
Optionally, in embodiments of the present invention, message digest algorithm includes: hash algorithm, MD5 algorithm or MD4 algorithm.
Corresponding to above method embodiment, the embodiment of the invention also provides a kind of electronic equipment, as shown in figure 4, including
Processor 401, communication interface 402, memory 403 and communication bus 404, wherein processor 401, communication interface 402, storage
Device 403 completes mutual communication by communication bus 404,
Memory 403, for storing computer program；
Processor 401 when for executing the program stored on memory 403, realizes any of the above-described data recipient
The method and step of method.
In embodiments of the present invention, electronic equipment can obtain when receiving data access request from server
One data.Wherein, the data of predeterminated position are located in the second data which is requested access to by data access request.
It is then possible to calculate the informative abstract value of the first data using preset message digest algorithm.Later, it can be set in the electronics
The informative abstract value is searched in standby application cache.When finding the informative abstract value, the available application program
The second data being stored in caching, having mapping relations with informative abstract value foundation.In this way, can be from the application of electronic equipment
The second data are obtained in program cache, without obtaining second data from server, improve the speed for obtaining data.
Corresponding to above method embodiment, the embodiment of the invention also provides a kind of computer readable storage medium, the meters
It is stored with instruction in calculation machine readable storage medium storing program for executing, when it runs on an electronic device, so that electronic equipment execution is any of the above-described
The method and step of item data acquisition methods.
The computer program stored in computer readable storage medium provided in an embodiment of the present invention is by the place of electronic equipment
After managing device execution, electronic equipment can obtain the first data when receiving data access request from server.Wherein, should
It is located at the data of predeterminated position in the second data that first data are requested access to by data access request.It is then possible to utilize
Preset message digest algorithm calculates the informative abstract value of the first data.It later, can be slow in the application program of the electronic equipment
Deposit middle lookup informative abstract value.When finding the informative abstract value, it is being stored in the available application cache, with
The informative abstract value establishes the second data for having mapping relations.In this way, can be obtained from the application cache of electronic equipment
Second data improve the speed for obtaining data without obtaining second data from server.
Corresponding to above method embodiment, the embodiment of the invention also provides a kind of, and the computer program comprising instruction is produced
Product, when it runs on an electronic device, so that electronic equipment executes the method and step of any of the above-described data capture method.
After computer program provided in an embodiment of the present invention is executed by the processor of electronic equipment, in the embodiment of the present invention
In, electronic equipment can obtain the first data when receiving data access request from server.Wherein, first data
It is located at the data of predeterminated position in the second data requested access to by data access request.It is then possible to utilize preset letter
Digest algorithm is ceased, the informative abstract value of the first data is calculated.Later, it can be searched in the application cache of the electronic equipment
The informative abstract value.It is being stored in the available application cache, plucked with the information when finding the informative abstract value
It is worth the second data established and there are mapping relations.In this way, the second data can be obtained from the application cache of electronic equipment,
Without obtaining second data from server, the speed for obtaining data is improved.
The communication bus that above-mentioned electronic equipment is mentioned can be Peripheral Component Interconnect standard (Peripheral Component
Interconnect, PCI) bus or expanding the industrial standard structure (Extended Industry Standard
Architecture, EISA) bus etc..The communication bus can be divided into address bus, data/address bus, control bus etc..For just
It is only indicated with a thick line in expression, figure, it is not intended that an only bus or a type of bus.
Communication interface is for the communication between above-mentioned electronic equipment and other equipment.
Memory may include random access memory (Random Access Memory, RAM), also may include non-easy
The property lost memory (Non-Volatile Memory, NVM), for example, at least a magnetic disk storage.Optionally, memory may be used also
To be storage device that at least one is located remotely from aforementioned processor.
Above-mentioned processor can be general processor, including central processing unit (Central Processing Unit,
CPU), network processing unit (Network Processor, NP) etc.；It can also be digital signal processor (Digital Signal
Processing, DSP), it is specific integrated circuit (Application Specific Integrated Circuit, ASIC), existing
It is field programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic device, discrete
Door or transistor logic, discrete hardware components.
In the above-described embodiments, can come wholly or partly by software, hardware, firmware or any combination thereof real
It is existing.When implemented in software, it can entirely or partly realize in the form of a computer program product.The computer program
Product includes one or more computer instructions.When loading on computers and executing the computer program instructions, all or
It partly generates according to process or function described in the embodiment of the present invention.The computer can be general purpose computer, dedicated meter
Calculation machine, computer network or other programmable devices.The computer instruction can store in computer readable storage medium
In, or from a computer readable storage medium to the transmission of another computer readable storage medium, for example, the computer
Instruction can pass through wired (such as coaxial cable, optical fiber, number from a web-site, computer, server or data center
User's line (DSL)) or wireless (such as infrared, wireless, microwave etc.) mode to another web-site, computer, server or
Data center is transmitted.The computer readable storage medium can be any usable medium that computer can access or
It is comprising data storage devices such as one or more usable mediums integrated server, data centers.The usable medium can be with
It is magnetic medium, (for example, floppy disk, hard disk, tape), optical medium (for example, DVD) or semiconductor medium (such as solid state hard disk
Solid State Disk (SSD)) etc..
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Each embodiment in this specification is all made of relevant mode and describes, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for device,
For electronic equipment, readable storage medium storing program for executing and computer program product embodiments, since it is substantially similar to the method embodiment, institute
To be described relatively simple, the relevent part can refer to the partial explaination of embodiments of method.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention
It is interior.
Claims (10)
1. a kind of data capture method, which is characterized in that be applied to electronic equipment, comprising:
When receiving data access request, the first data are obtained from server；Wherein, first data are the data
It is located at the data of predeterminated position in the second data that access request is requested access to；
Using preset message digest algorithm, the informative abstract value of first data is calculated；
The informative abstract value is searched in the application cache of the electronic equipment；
When finding the informative abstract value, obtain it is being stored in the application cache, built with the informative abstract value
Vertical second data for having mapping relations.
2. the method according to claim 1, wherein the method also includes:
When not finding the informative abstract value, second data are obtained from the server.
3. the method according to claim 1, wherein described when receiving data access request, from server
The step of the first data of middle acquisition, comprising:
When receiving data access request, the byte long for the second data that the data access request is requested access to is determined
Degree；
Based on the byte length, division obtains the first preset quantity data interval corresponding to second data；
From the byte data for obtaining predeterminated position in second data, each data intervals in server；
The byte data obtained from each data interval is combined, the first data are obtained.
4. according to the method described in claim 3, it is characterized in that, the predeterminated position includes: each data interval
Position corresponding to preceding second preset quantity byte data, or, the rear third preset quantity word of each data interval
Joint number is according to corresponding position.
5. method according to any of claims 1-4, which is characterized in that the message digest algorithm includes: Hash
Algorithm, informative abstract MD5 algorithm or informative abstract MD4 algorithm.
6. a kind of data acquisition facility, which is characterized in that be applied to electronic equipment, comprising:
First obtains module, for obtaining the first data from server when receiving data access request；Wherein, described
It is located at the data of predeterminated position in the second data that first data are requested access to by the data access request；
Computing module calculates the informative abstract value of first data for utilizing preset message digest algorithm；
Searching module, for searching the informative abstract value in the application cache of the electronic equipment；
Second obtain module, for when finding the informative abstract value, obtain it is being stored in the application cache, with
The informative abstract value establishes second data for having mapping relations.
7. device according to claim 6, which is characterized in that described device further include:
Third obtains module, for when not finding the informative abstract value, obtaining second number from the server
According to.
8. device according to claim 6, which is characterized in that the first acquisition module is specifically used for:
When receiving data access request, the byte long for the second data that the data access request is requested access to is determined
Degree；
Based on the byte length, division obtains the first preset quantity data interval corresponding to second data；
From the byte data for obtaining predeterminated position in second data, each data intervals in server；
The byte data obtained from each data interval is combined, the first data are obtained.
9. a kind of electronic equipment, which is characterized in that including processor, communication interface, memory and communication bus, wherein processing
Device, communication interface, memory complete mutual communication by communication bus；
Memory, for storing computer program；
Processor when for executing the program stored on memory, realizes method step as claimed in any one of claims 1 to 5
Suddenly.
10. a kind of readable storage medium storing program for executing, which is characterized in that be stored with computer program, the meter in the readable storage medium storing program for executing
Calculation machine program realizes method and step as claimed in any one of claims 1 to 5 when being executed by processor.
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| CN110826697A (en) * | 2019-10-31 | 2020-02-21 | 深圳市商汤科技有限公司 | Method and device for obtaining sample, electronic equipment and storage medium |
| CN114449089A (en) * | 2021-12-17 | 2022-05-06 | 厦门市美亚柏科信息股份有限公司 | Mobile phone application accessory automatic association method, terminal equipment and storage medium |
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