CN107920110A - A kind of method and device of data sharing - Google Patents
A kind of method and device of data sharing Download PDFInfo
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- CN107920110A CN107920110A CN201711032373.7A CN201711032373A CN107920110A CN 107920110 A CN107920110 A CN 107920110A CN 201711032373 A CN201711032373 A CN 201711032373A CN 107920110 A CN107920110 A CN 107920110A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
- H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
- H04L69/329—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the application layer [OSI layer 7]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/20—Network architectures or network communication protocols for network security for managing network security; network security policies in general
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Abstract
The invention discloses a kind of data sharing method and device, is related to data sharing technology field, and this method includes first terminal and forms data resource catalogue；Data resource catalogue and the data resource in data source are associated by first terminal；First terminal issues data resource catalogue, and data resource catalogue is used to be supplied to second terminal to check and obtain at least part data resource when required by subscribing to.By the above-mentioned means, the present invention can improve flexibility and the security of data sharing.
Description
Technical field
The present invention relates to data sharing technology field, more particularly to a kind of method and device of data sharing.
Background technology
With globalization and the arrival in big data epoch, not commensurate, needs to carry out data resource between Different Individual
Transmission, exchange and share.The exchange of data resource can be completed in several ways and is shared, such as data resource issue is existed
On network, shared platform etc. is created.It is typically all to take center mode in traditional shared platform process of construction, both by data
To data resource owner's one direction gathered data resource, generally use data exchange software timing extracts to complete data money the heart
The collection in source, the content of collection include database and file etc..
But present inventor has found existing data exchange and sharing mode also in long-term R＆D process
There are problems that.For example, the security of information is poor, because of the data sharing and opening between the information system of current construction
Data pick-up is completed into front damming by way of " data exchange " more, since front damming lacks unified security guarantee,
Unified access control, network security level is low, and more and more by secrets disclosed by net event, it is serious that data steal phenomenon.Information
Concertedness is poor, and the administrator of data center has to be familiar with the data standard and industry of constituent parts during conventional data exchange
Business system, since the data standard and data inconsistency of each operation system are serious, causes data center towards multiple units
When communication efficiency it is low.Information share is poor, during information resource share platform is built, generally takes service unit list
Direction provides data to data center, but data center is fewer to the situation of service unit shared data, causes this feelings
The main reason for condition is that safe handling of the data center for data lacks management and control, so the shared comparison for data is careful,
This also results in enthusiasm of the service unit for resource-sharing than relatively low.It would therefore be highly desirable to need to develop a kind of new data friendship
Change sharing method.
The content of the invention
The invention mainly solves the technical problem of providing a kind of data sharing method and device, it is possible to increase data sharing
Flexibility and security.
In order to solve the above technical problems, one aspect of the present invention is：A kind of data sharing method is provided, should
Method includes first terminal and forms data resource catalogue；First terminal by the data resource in data resource catalogue and data source into
Row association；First terminal issues data resource catalogue, and data resource catalogue is used to be supplied to second terminal to check and when needed
At least part data resource is obtained by subscribing to.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of data sharing method is provided,
This method includes second terminal and obtains the data resource catalogue issued by first terminal；Needs are selected to order from data resource catalogue
The data resource read；Generate and sent to first terminal and subscribe to request, subscribing to request includes the information of subscription evidence, subscribes to data
Information includes the target data source information associated with subscribing to data resource.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of data sharing method is provided,
This method includes third terminal and receives the examination ＆ verification request from first terminal, and examination ＆ verification request includes the information of data resource catalogue；
Data resource catalogue is formed by first terminal, and data resource catalogue is associated with the data resource in data source；Third terminal
Examination ＆ verification request is examined；If examination ＆ approval by/examination ＆ approval are not sent to first terminal by, third terminal and pass through/do not pass through
Notice.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of data sharing device is provided,
The device includes processor, telecommunication circuit and memory, processor coupling telecommunication circuit and memory, performs refer at work
Order, to coordinate telecommunication circuit and memory to realize any of the above-described kind of data sharing method.
In order to solve the above technical problems, another technical solution used in the present invention is：There is provided one kind has store function
Device, which has program stored therein, and described program, which is performed, realizes any of the above-described kind of data sharing method.
The beneficial effects of the invention are as follows：The situation of the prior art is different from, the application is issued using data resource and data
The pattern of resource subscription realizes the shared of data resource.Wherein, what is issued in data resource issuing process is data resource
Catalogue, rather than data resource is in itself, can either save transmitted data amount in this way, additionally it is possible to ensure that initial data provides
The security in source.Meanwhile data resource subscriber is when needing to obtain data resource, it is only necessary to submits and subscribes to request, treats
Data resource provider is agreed to after sharing the data, can be sent data resource to data resource subscriber, data resource and be subscribed to
Side can check the data in the database of oneself.By the above-mentioned means, during data resource sharing, data resource
Provider and data resource subscription side only need the administration authority of the database of oneself, it is no longer necessary to have to party database
Administration authority go to transfer party database；The security of respective database can either be strengthened, additionally it is possible to make data sharing more square
Just, flexibly.
Brief description of the drawings
Fig. 1 is the flow diagram of one embodiment of data sharing method of the present invention；
Fig. 2 is the flow diagram of one embodiment of data sharing method of the present invention；
Fig. 3 is the flow diagram of one embodiment of data sharing method of the present invention；
Fig. 4 is the flow diagram of one embodiment of data sharing method of the present invention；
Fig. 5 is the structure diagram of one embodiment of data sharing device of the present invention；
Fig. 6 is the structure diagram for one embodiment of device that the present invention has store function.
Embodiment
To make the purpose of the present invention, technical solution and effect clearer, clear and definite, develop simultaneously embodiment pair referring to the drawings
The present invention is further described.
Referring to Fig. 1, Fig. 1 is the flow diagram of one embodiment of data sharing method of the present invention.The embodiment carries
For a kind of data resource sharing method, this method can be used for different government departments, different business units, different individuals opinion number
According to shared.This method comprises the following steps：
S101：First terminal forms data resource catalogue.
Wherein, the data message amount, data type, simple introduce that data resource can be included in data resource catalogue describe
Deng.In same data resource sharing system, different pieces of information resource provider can use the data resource catalogue of same format,
To facilitate management.The data resource shared in the embodiment can be file, any form of data resource of database.
S102：Data resource catalogue and the data resource in data source are associated by first terminal.
Wherein, data resource catalogue is a catalogue directory, and, corresponding data money. not comprising data resource in itself
Source is also stored in the raw data base of data source, and the data resource in data resource catalogue and database is associated it
Afterwards, corresponding data resource can be directly deployed into by data resource catalogue, it is both easy-to-look-up, additionally it is possible to improve initial data
The safety of resource.
S103：First terminal issue data resource catalogue, data resource catalogue be used for be supplied to second terminal check and
When needing at least partly described data resource is obtained by subscribing to.
Wherein, first terminal by data resource catalogue issue on network or data sharing platform, other enterprises, unit or
Individual, can consult the data resource catalogue., can be by ordering if there is its required data resource in data resource catalogue
Read flow to initiate to subscribe to request, obtained with application and use the data resource, data resource provider after receiving and subscribing to and ask, then
By specific data sending to subscriber, and then realize the shared of data.
The data sharing method that the embodiment provides, using the pattern of data resource issue and data resource subscription come real
Existing data resource is shared.Wherein, what is issued in data resource issuing process is data resource catalogue, rather than data resource
Itself, can either save transmitted data amount, additionally it is possible to ensure the security of initial data resource in this way.Meanwhile number
According to resource subscription side when needing to obtain data resource, it is only necessary to submit and subscribe to request, pending data resource provider is agreed to
After sharing the data, data resource can be sent to data resource subscriber, data resource subscriber is in the database of oneself
It can check the data.By the above-mentioned means, during data resource sharing, data resource provider and data resource are ordered
The side of readding only needs the administration authority of the database of oneself, it is no longer necessary to has and the administration authority of party database is gone to number formulary
Transferred according to storehouse；The security of respective database can either be strengthened, additionally it is possible to be more convenient data sharing, flexibly.
Referring to Fig. 2, Fig. 2 is the flow diagram of one embodiment of data sharing method of the present invention.In the embodiment,
One data shared group net is formed by first terminal, second terminal and third terminal, wherein, first terminal provides for data resource
Side, second terminal are data resource subscriber, third terminal is data resource catalogue examination ＆ verification side.In other embodiments, no
The data sharing being limited between two terminals, data sharing networking can be made of any number of terminals, in data sharing networking
Any one party can be data providing, while can also be data subscription side；Wherein, data resource catalogue examination ＆ verification can
To be independent to be only responsible for one side of examination ＆ verification or data providing and/or data subscription side are held a concurrent post.In the embodiment,
Data sharing flow is as follows：
Unit A is data resource provider, and first terminal is provided with enterprise, and first terminal connects each industry in unit A
Business system, wherein the database of each operation system is stored with various data resources as data source.Unit B subscribes to for data resource
It is square, second terminal is provided with enterprise, second terminal connects each operation system in unit B, wherein the data of each operation system
Storehouse is used to receive as target data source subscribes to data.First terminal catalogues sharable data resource, forms data
Resource TOC, the specific steps of cataloguing include：
(1) establishing resource domain, and resource domain information is stored in resource domain list.
Wherein, resource domains (Resource Domain) are the classifications of resource in system, are that one kind of diversity resource is drawn
The mode of dividing；According to the classification of resource, multiple resource domains can be divided.Resource domain information is simultaneously stored in resource domains by establishing resource domain
In list；Resource domain information can be the contact electricity of resource domains ID, resource domains title, resource domain administrator, resource domain administrator
Words etc.；Major key that in one embodiment can be using resource domains ID as resource domain list.
(2) the establishing resource catalogue under resource domains, and Resource TOC information is stored in Resource TOC list.
Wherein, Resource TOC information can be Resource TOC ID, resource domains ID, Resource TOC title, Resource TOC English
Title, inventory management of resources person etc..In one embodiment, major key that can be using Resource TOC ID as Resource TOC list,
And pass through resource domains ID and resource domains list association.
(3) data resource is created under Resource TOC, and data asset information is stored in the Resources list.
Wherein, the information of data resource can be data resource ID, Resource TOC ID, data resource title, data resource
English name, data resource grade, data resource summary, the subject classification of data resource, trade classification of data resource etc..Its
In, data resource grade can be shared completely by the data resource, the data resource can only partial sharing, the data resource
It cannot share etc. and to carry out grade classification；Data resource subject classification and data resource trade classification can quote relevant data
Dictionary, classifies by standard.In one embodiment, major key that can be using data resource ID as data resource list, and
It is associated with data resource directory listing by data resource ID.
(4) data item is created under data resource, and data item information is stored in list of data items.
Wherein, data item refers to that data element can be made of several data item (data item), and data item is data
Indivisible least unit.The title of data item has numbering, alias, summary, the length of data item, type, data item to take
It is worth scope.Data item is most basic, inseparable famous data unit in data record, is the most small tenon with independent implication
Know unit.Data item information can be data item ID, data resource ID, data item title, data item English name, data item class
Type, data items length, data element identifier etc..In one embodiment, master that can be using data item ID as list of data items
Key, and by data resource ID and data resource list association, eventually form data resource catalogue.
First terminal sends examination ＆ verification request after data resource catalogue is formed, to third terminal, and examination ＆ verification request includes number
According to the information of Resource TOC, and for notifying third terminal to examine examination ＆ verification request.
Third terminal receives examination ＆ verification request, and the data resource catalogue is audited.If the data resource catalogue accords with
Close and require, then send the notice of " examination ＆ verification passes through "；If the data resource catalogue is undesirable, send " examination ＆ verification does not pass through "
Notice.
First terminal can modify data Resource TOC after the notice of " examination ＆ verification does not pass through " is received, until symbol
Close and require.
First terminal can perform the step of issuing data resource catalogue after the notice of " examination ＆ verification passes through " is received.But
Before data resource catalogue is issued, first data resource catalogue and the data resource in data source should be associated, specifically
Associated steps are as follows：
(1) data source information is stored in data source list.
Wherein, data source (Data Source) is to provide the device or original media of certain required data, in data source
In store it is all establish database connection information；Just as file can be found in file system by designated file name
Equally, by providing correct data source name, corresponding database connection can be found.Data source information can be data source
Title, data source ID, data source data storehouse type, data-source IP address, data source port, database instance title, database
User name, database password etc., in one embodiment, major key that can be using data source ID as data source list.
(2) correspondence of data source list and data resource is preserved.
Specifically, correspondence is established into the entity data bak list in data source and data resource, and the correspondence is closed
System is stored in data resource relation list.The information of preservation can be data source list title, data resource ID, data source ID
Deng.In one embodiment, major key that can be using data resource ID as data resource relation list, and by data source ID with
Data source list is associated.
(3) correspondence of data item and field in data source list is preserved.
Specifically, the field in entity data bak list and data item are established into one-to-one relationship, and the correspondence is closed
System is stored in data item relation list.The information of preservation can be data source list title, data item ID, field name, word
Segment type, field length etc..Associating for data resource and database can be realized by this data n-th-trem relation n list.
Data resource catalogue can be issued with associating for data source completing data resource, and be synchronized to networking
On, so that second terminal is consulted.After either one renewal issue data resource catalogue in networking, the data of other-end in networking
Resource TOC can synchronized update, to obtain newest data asset information in time.
Second terminal selects to need the data resource subscribed to, log-on data resource subscription stream after data resource catalogue is consulted
Journey, generates and sends to subscribe to first terminal and ask and then apply obtaining the data resource.Wherein, second terminal is sending subscription
Data will be subscribed to by being needed before request is associated with target data source, when receiving subscription data resource, will subscribe to data money
The precalculated position of target data source is stored in source, is facilitated the later stage to search and is had access to.Specific associated steps are as follows：
(1) the target data source information for subscribing to data is stored in and subscribed in data source list.
Wherein, the target data source information for subscribing to data can be target data source name, target data source ID, number of targets
According to source database type, target data source IP address, target data source port, database instance title, database user name, number
According to storehouse password etc.；In one embodiment, can be using target data source ID as the major key for subscribing to data source list.
(2) target data source list is preserved with subscribing to the correspondence of data resource.
Specifically, the entity data bak list in target data source is established into correspondence with subscribing to data resource, and will
The correspondence, which is stored in, to be subscribed in data resource relationship list.The information of preservation can be target data source List name, order
Read data resource ID, subscribe to data source ID etc.；In one embodiment, data resource ID can will be subscribed to as data are subscribed to provide
The major key of source relation list, and by subscribing to data source ID and target data source list association.
(3) correspondence for subscribing to data item and field in target data source list is preserved.
Specifically, the field in entity data bak list is established into one-to-one relation with subscribing to data item, and should
Correspondence, which is stored in, to be subscribed in data Resource Data Item relation list.The information of preservation can subscribe to data Resource Data Item
Relation list title, subscribe to data item ID, field name, field type, field length etc..Pass through this subscription data number of resources
It can be realized according to n-th-trem relation n list and subscribe to associating for data resource and target data source.
Request can will be subscribed to after completing to subscribe to the associating of data resource and target data source to send.
First terminal examines the subscription request after subscription request is received.If disagreeing, send and " disagree
It is shared " auditing result, and the reasons why refusal can be provided；Shared task is performed if agreeing to subscribe to data sending extremely by described
In the database of the target data source.Specifically, first terminal is extracted from data source subscribes to data, and adds data are subscribed to
It is loaded onto in the database of target data source；Data policy processing can also be carried out before loading to subscribing to data.Data policy
Processing can be at least one of data desensitization, data conversion, data filtering, data encryption, naturally it is also possible to which selection is not right
Subscribe to data and carry out data policy processing.
Alternatively, in one embodiment, first terminal requests to generate shared task record according to subscription, and according to shared
Task record will subscribe to data sending into the database of target data source.Wherein, sharing task record includes shared task
Information, shared task record include：Shared task ID, shared task execution time, shared tasks carrying cycle, extraction are shared and appointed
At least one of business description file, the shared task description file of loading, policy depiction file name.Data sharing task can be with
It is made of two subtasks of data pick-up task and data loading tasks.Specifically, data pick-up task is according to data resource
Task description file is extracted in information generation in data resource relation list and data n-th-trem relation n list that provider pre-saves,
It is responsible for extracting data from database according to rule；Data loading tasks are the subscription pre-saved according to data resource subscriber
Data resource relation list and the relevant information subscribed in data Resource Data Item relation list generate, and are responsible for take out according to rule
The data taken are loaded into the database of resource subscription side.Data resource provider has the resource-sharing of oracle listener monitored data to appoint
Business table, determines when to start switching task by task execution time and tasks carrying cycle；Added after shared task start
Carry and extract task description file, policy depiction file, loading description file and perform corresponding strategies in order.Data processing is adopted
The mode for extracting N bars every time is taken, the rule after the completion of extraction in implementation strategy rule list, finally performs loading strategy, loading again
To the purpose database of subscriber；Circulation performs, and terminates until total data extracts.Data sharing daily record is preserved at the same time, including
Exception error during tasks carrying etc..In this way, it may not be necessary to which user participates in, it is only necessary to which software passes through default
Shared task list is automatically performed, and saves manpower, while is more conducive to the management and control of shared task.
The data sharing method provided by the embodiment, it is possible to increase the security of data, specifically, data are provided
Source shared procedure is decomposed into data resource issue and two operation flows of data resource subscription, the both sides of sharing data resources and only needs
The administration authority for possessing Local Data storehouse achieves that the exchange of data is shared, and eliminates the preposition of conventional data exchange
Data are not stored in storehouse, i.e. first terminal, can more ensure respective information security.
The data sharing method provided by the embodiment, additionally it is possible to the independence of data sharing is improved, specifically, number
The content of issue data resource oneself can be defined according to resource provider, and independently application is subscribed in examination ＆ approval, which is finally determined
Data resource allows to share, there is provided the maximum flexibility of data sharing process.
The data sharing method provided by the embodiment, additionally it is possible to make data sharing process convenient, flexible, specifically,
Pilot pattern is taken in task configuration in the application, and user only needs to be operated according to guide prompting, without possessing professional knowledge
The configuration of task can be quickly completed.
Referring to Fig. 3, Fig. 3 is the flow diagram of one embodiment of data sharing method of the present invention.The application provides one
Kind data sharing method, this method comprises the following steps：
S301：Second terminal obtains the data resource catalogue issued by first terminal.
S302：Selection needs the data resource subscribed to from data resource catalogue.
S303：Generate and sent to first terminal and subscribe to request, subscribing to request includes the information of subscription evidence, subscribes to data
Information includes the target data source information associated with the subscription data resource.
This method is accomplished that the function of data resource subscriber in data sharing process, and specific method step refers to
Description in the above embodiment, details are not described herein.
Referring to Fig. 4, Fig. 4 is the flow diagram of one embodiment of data sharing method of the present invention.The application provides one
Kind data sharing method, this method comprises the following steps：
S401：Third terminal receives the examination ＆ verification request from first terminal, and examination ＆ verification request includes the letter of data resource catalogue
Breath；Data resource catalogue is formed by first terminal, and data resource catalogue is associated with the data resource in data source.
S402：Third terminal examines examination ＆ verification request.
S403：If examination ＆ approval by/notice that examination ＆ approval pass through/do not pass through is not sent to first terminal by, third terminal.
This method is accomplished that the function of data resource catalogue examination ＆ verification side in data sharing process, and specific method step please
Refering to the description in the above embodiment, details are not described herein.
Referring to Fig. 5, Fig. 5 is the structure diagram of one embodiment of data sharing device of the present invention.The embodiment carries
For a kind of data sharing device, which includes processor 501, telecommunication circuit 502 and memory 503, and the coupling of processor 501 is logical
Circuit 502 and memory 503 are believed, at work execute instruction, to coordinate telecommunication circuit 502 and memory 503 to realize above-mentioned
Data sharing method in one embodiment, the device can be with data resource provider, data resource subscriber, data resources
One or more identity in catalogue examination ＆ verification side perform the data sharing method in any of the above-described embodiment, and performed is specific
Method and step refers to the description in the above embodiment, and details are not described herein.The device can be gateway, cloud service
One kind in device.
Referring to Fig. 6, Fig. 6 is the structure diagram for one embodiment of device that the present invention has store function.The implementation
Mode provides a kind of device with store function, which has program stored therein 601, and described program 601 is performed realization
Data sharing method in any of the above-described embodiment.It is consistent in specific work process and above method embodiment, therefore herein not
Repeat again, refer to the explanation of above corresponding method step in detail.Wherein storage device can be portable storage media such as U
Disk, CD or terminal, server etc..
Above scheme, the data sharing method provided in the application embodiment, using data resource issue and data
The pattern of resource subscription realizes the shared of data resource.Wherein, what is issued in data resource issuing process is data resource
Catalogue, rather than data resource is in itself, can either save transmitted data amount in this way, additionally it is possible to ensure that initial data provides
The security in source.Meanwhile data resource subscriber is when needing to obtain data resource, it is only necessary to submits and subscribes to request, treats
Data resource provider is agreed to after sharing the data, can be sent data resource to data resource subscriber, data resource and be subscribed to
Side can check the data in the database of oneself.By the above-mentioned means, during data resource sharing, data resource
Provider and data resource subscription side only need the administration authority of the database of oneself, it is no longer necessary to have to party database
Administration authority go to transfer party database；The security of respective database can either be strengthened, additionally it is possible to make data sharing more square
Just, flexibly.
The foregoing is merely embodiments of the present invention, are not intended to limit the scope of the invention, every to utilize this
The equivalent structure or equivalent flow shift that description of the invention and accompanying drawing content are made, it is relevant to be directly or indirectly used in other
Technical field, is included within the scope of the present invention.
Claims (15)
- A kind of 1. data sharing method, it is characterised in that the described method includes：First terminal forms data resource catalogue；The data resource catalogue is associated by the first terminal with the data resource in data source；The first terminal issues the data resource catalogue, and the data resource catalogue is used to be supplied to second terminal to check simultaneously At least partly described data resource is obtained when required by subscribing to.
- 2. according to the method described in claim 1, it is characterized in that, the method further includes：The first terminal receives the subscription request from the second terminal, described to subscribe to the letter for asking to include subscription evidence Breath, the subscription data include at least partly described data resource, and the information for subscribing to data includes and the subscription data Associated target data source information；The first terminal perform shared task with by the subscription data sending into the database of the target data source.
- 3. according to the method described in claim 2, it is characterized in that, the first terminal performs shared task with by the subscription Data sending to the target data source includes：The first terminal extracts the subscription data from the data source；The subscription data are loaded onto in the database of the target data source by the first terminal.
- 4. according to the method described in claim 2, it is characterized in that, the first terminal subscription data are loaded onto it is described Further included before in the database of target data source：The first terminal carries out the subscription data data policy processing, data policy processing include data desensitize, At least one of data conversion, data filtering, data encryption.
- 5. according to the method described in claim 2, it is characterized in that, the first terminal subscription data are loaded onto it is described Further comprise before in the database of target data source：The first terminal examines the subscription request；If examination ＆ approval pass through, the first terminal requests to generate shared task record, the shared task note according to the subscription Record includes the information of the shared task；The first terminal performs shared task so that the subscription data sending to be wrapped into the database of the target data source Include：The first terminal performs the shared task with by the subscription data sending to institute according to the shared task record In the database for stating target data source.
- 6. according to the method described in claim 5, it is characterized in that, the shared task record includes：Shared task ID, share Task execution time, shared tasks carrying cycle, extract shared task description file, the shared task description file of loading, strategy At least one of file name is described.
- 7. according to the method described in claim 1, it is characterized in that, first terminal formation data resource catalogue includes：Establishing resource domain, and the resource domain information is stored in resource domain list；The establishing resource catalogue under the resource domains, and the Resource TOC information is stored in Resource TOC list；Data resource is created under the Resource TOC, and the data asset information is stored in data resource list；Data item is created under the data resource, and the data item information is stored in list of data items；Form the data resource catalogue.
- 8. according to the method described in claim 1, it is characterized in that, the first terminal is by the data resource catalogue and data Data resource in source be associated including：Data source information is stored in data source list；Preserve the correspondence of the data source list and data resource, wherein, establish the database of the data source with it is described The correspondence of data resource, and the correspondence is stored in data resource relation list；Preserve the correspondence of field in data item and data source list, wherein, establish field in the Database Lists with The one-to-one relationship of data item, and the correspondence is stored in data item relation list.
- 9. according to the method described in claim 1, it is characterized in that, before the first terminal issue data resource catalogue Further include：The first terminal sends examination ＆ verification request to third terminal, and the examination ＆ verification request includes the letter of the data resource catalogue Breath, and for notifying the third terminal to examine the examination ＆ verification request；The first terminal receives the notice that examination ＆ approval pass through；The first terminal issues the data resource catalogue.
- A kind of 10. data sharing method, it is characterised in that the described method includes：Second terminal obtains the data resource catalogue issued by first terminal；Selection needs the data resource subscribed to from the data resource catalogue；Generate and sent to the first terminal and subscribe to request, the subscription request includes the information of subscription evidence, the subscription Data message includes the target data source information associated with the subscription data resource.
- 11. the according to the method described in claim 10, it is characterized in that, target data source subscribed to data resource and be associated Information includes：The target data source information is stored in target data source list；The target data source list and the correspondence of the subscription data resource are preserved, wherein, establish the target data The correspondence of the database in source and the subscription data resource, and the correspondence is saved in and subscribes to data resources relationship In list；The correspondence for subscribing to data item and field in the target data source list is preserved, wherein, establish the database column The one-to-one relationship of field and the subscription data item in table, and the correspondence is stored in and subscribes to data number of resources According in n-th-trem relation n list.
- A kind of 12. data sharing method, it is characterised in that the described method includes：Third terminal receives the examination ＆ verification request from first terminal, and the examination ＆ verification request includes the information of data resource catalogue；Institute State data resource catalogue to be formed by the first terminal, and the data resource catalogue is related to the data resource in data source Connection；The third terminal examines the examination ＆ verification request；If examination ＆ approval by/notice that examination ＆ approval pass through/do not pass through is not sent to the first terminal by, the third terminal.
- 13. a kind of data sharing device, it is characterised in that described device includes：Processor, telecommunication circuit and memory, it is described Processor couples the telecommunication circuit and the memory, at work execute instruction, to coordinate the telecommunication circuit and described Memory realizes claim 1-12 any one of them data sharing methods.
- 14. device according to claim 13, it is characterised in that described device is one in gateway, Cloud Server Kind.
- 15. a kind of device with store function, it is characterised in that have program stored therein, described program, which is performed, realizes right It is required that 1-12 any one of them data sharing methods.
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