CN107908481A - A kind of method of data synchronization, device and system - Google Patents
A kind of method of data synchronization, device and system Download PDFInfo
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- CN107908481A CN107908481A CN201710967306.8A CN201710967306A CN107908481A CN 107908481 A CN107908481 A CN 107908481A CN 201710967306 A CN201710967306 A CN 201710967306A CN 107908481 A CN107908481 A CN 107908481A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/54—Interprogram communication
- G06F9/542—Event management; Broadcasting; Multicasting; Notifications
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Abstract
An embodiment of the present invention provides a kind of method of data synchronization, device and system, the described method includes：The corresponding event notice that each data providing is generated when data change occurs is obtained in real time；The event notice of acquisition is added in event task list；Start the event that event consumer process is read in the event task list to notify, and the event notice of reading is sent to demand data side, so that demand data root obtains changed data according to event notice from the data providing.By scheme provided in an embodiment of the present invention, reduce data providing and the resource pressure of data party in request in the real-time synchronization for realizing data at the same time.
Description
Technical field
The present embodiments relate to data synchronization technology field, more particularly to a kind of method of data synchronization, device and system.
Background technology
Data between existing enterprises or enterprise synchronously use two ways mostly.
First way is that is, form exports data to data providing according to demand, by logical by data exporting
News instrument sends demand data side to, and demand data root is then introduced into the storage of oneself according to the demand process data of oneself.
The second way is by HTTP (Hyper Text Transfer Protocol), hypertext transfer protocol) connect
Mouth calls, and data providing calls the HTTP interface of demand data side, and data-pushing is gone over, or number calls in demand data side
According to the HTTP interface pulling data of provider.
However, the mode real-time of data exporting is too low, it is difficult to meet that the data of existing Internet firm are same in real time
Step demand, such as a certain application need the logistics information of the different related logistics company of real-time display, cause poor user experience.
For a kind of data method of synchronization called based on interface, i.e. data providing propelling data is to demand data side
Mode, when data volume is big and interface push fails, data providing not only needs to expend pushing away for resource progress data
Send, it is also necessary to expend resource and go to consider whether the processing of fortuitous event and fortuitous event, such as demand data side are properly received number
Whether according to completing, data are synchronous, need to retransmit after the reception failure of demand data side, when carry out retransmitting etc., cause data to provide
The resource pressure of side is big.
For another data method of synchronization called based on interface, i.e. the interface of data providing calls in demand data side
The mode of real-time pulling data, demand data side is not aware that data providing, and when data change occurs, if always ceaselessly
From data providing pulling data, the wasting of resources of demand data side is not only resulted in, will also result in the resource of data providing
Pressure is big.
The content of the invention
In view of drawbacks described above of the prior art or deficiency, are intended to provide a kind of method of data synchronization, device and system, energy
Enough while the real-time synchronization of data is realized, data providing and the resource pressure of data party in request are reduced.
In a first aspect, an embodiment of the present invention provides a kind of method of data synchronization, including：
The corresponding event notice that each data providing is generated when data change occurs is obtained in real time；
The event notice of acquisition is added in event task list；
Start the event that event consumer process is read in the event task list to notify, and the event of reading is notified to send
To demand data side, so that demand data root is notified from data providing acquisition changed data according to the event.
Second aspect, an embodiment of the present invention provides a kind of data synchronization unit, including：
Event notify acquisition module, for obtain in real time each data providing generated when data change occurs it is corresponding
Event notifies；
Event notifies add module, for the event notice of acquisition to be added in event task list；
Data simultaneous module, for starting the event notice in the event consumer process reading event task list, and will
The event notice of reading is sent to demand data side, so that demand data root is notified from the data providing according to the event
Obtain changed data.
The third aspect, the embodiment of the present invention additionally provide a kind of data synchronous system, including：Second aspect embodiment provides
Data synchronization unit, and the data providing being connected with the data synchronization unit and data party in request.
Fourth aspect, the embodiment of the present invention additionally provide a kind of electronic equipment, including processor, memory and bus, its
In：
The processor, the memory complete mutual communication by bus；
The processor can call the computer program in memory, to perform described in the offer of first aspect embodiment
Method of data synchronization.
5th aspect, the embodiment of the present invention additionally provide a kind of non-transient computer readable storage medium storing program for executing, are stored thereon with
Computer program, the program realize the method for data synchronization that first aspect embodiment provides when being executed by processor.
In data synchronization scenario provided in an embodiment of the present invention, each data providing can be obtained in real time data change is occurring
The corresponding event notice generated when more；The event notice of acquisition is added in event task list；Start event consumer process
Event notice in reading event task list, and the event notice of reading is sent to demand data side, for demand data side
Changed data are obtained from data providing according to event notice.In this way, demand data side can receive event notice
Changed data are obtained to data providing in time afterwards, without expending resource in data providing without data change occurs
Shi Jinhang is invalid to be pulled, and reduces the resource pressure of demand data side and data providing.Moreover, data providing is without consuming
Resource goes whether focused data party in request is successful to notify the processing after completion data synchronization and synchronization failure according to event, reduces
The resource pressure of data providing.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 shows the structure diagram of data synchronous system according to an embodiment of the invention；
Fig. 2 shows the exemplary process diagram of method of data synchronization according to an embodiment of the invention.
Fig. 3 shows the exemplary block diagram of data synchronization unit according to an embodiment of the invention；
Fig. 4 shows the entity structure schematic diagram of electronic equipment according to an embodiment of the invention.
Embodiment
Clear, complete description is carried out to technical scheme below with reference to attached drawing, it is clear that described implementation
Example is only the part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this area is general
Logical technical staff's obtained all other embodiment on the premise of creative work is not made, belongs to the present invention and is protected
The scope of shield.
The term such as " module " used in this application, " device " be intended to include with computer-related entity, it is such as but unlimited
In hardware, firmware, combination thereof, software or executory software.For example, module can be, it is not limited to：Processing
The process run on device, processor, object, executable program, thread, program and/or the computer performed.For example, count
It can be module to calculate the application program run in equipment and this computing device.One or more modules can be located at executory
In one process and/or thread, a module can also be located on a computer and/or be distributed in two or more platforms and calculate
Between machine.
The technical solution that the invention will now be described in detail with reference to the accompanying drawings.
With reference to figure 1, it illustrates the structure diagram of data synchronous system according to an embodiment of the invention.
As shown in Figure 1, the data synchronous system 100 of one embodiment of the invention can include：Data synchronization unit 101,
Data providing 102 and data party in request 103.
Wherein, data providing 102 and data party in request 103 are connected with data synchronization unit 101.Data providing
102 be one or more.In practical application, data synchronization unit 101 can be independently arranged, or be arranged at demand data side 103
In.
In the embodiment of the present invention, each data providing 102 can generate corresponding event when data change occurs and lead to
Know, and by data synchronization unit 101 by event notification transmission to demand data side 103, wherein, event notice in can include
Data Notification of Changes, data providing mark, data type etc..In this way, data providing 102 and be not required to expend resource go to consider
The processing of fortuitous event and fortuitous event, for example whether successful data reception completes data synchronization, demand data for demand data side
Whether need to retransmit after square reception failure, when carry out retransmitting etc..
Data synchronization unit 101 can obtain event notice from multiple data providings 102, and event notification transmission is given
Demand data side 103.
Demand data side 103 can notify to provide from data after data synchronization unit 101 obtains event notice according to event
Side obtain changed data, avoid expend resource data providing without data change occurs when carry out it is invalid pull, drop
Low demand data side and the resource pressure of data providing.
Based on above-mentioned data synchronous system 100, with reference to figure 2, it illustrates data according to an embodiment of the invention are same
The exemplary process diagram of one step process.
As shown in Fig. 2, method of data synchronization provided in an embodiment of the present invention, may include steps of：
S210：The corresponding event notice that each data providing is generated when data change occurs is obtained in real time.
In the embodiment of the present invention, data synchronization unit 101 can obtain each data providing 102 in real time and data change is occurring
The corresponding event notice generated when more.
Wherein, event notice can include：Data Notification of Changes, data providing mark, data type etc..
In the embodiment of the present invention, data synchronization unit 101 can obtain data providing by the following two kinds mode
Event notifies.
Mode one
For each data providing, data synchronization unit 101 can start event and pull process to be carried from the data in real time
The output interface that supplier provides, the corresponding event notice that pulling data provider generates when data change occurs.
Mode two
For each data providing, data synchronization unit 101 can pass through default receiving interface real-time reception number
The corresponding event that the data providing pushed according to provider is generated when data change occurs notifies.
In the embodiment of the present invention, default reception in output interface and data synchronization unit 101 that data providing provides
Interface can be specially HTTP interface.
In practical application, data synchronization unit 101 can take mode one and mode two to obtain data providing at the same time
Event notice, any one that can also be in employing mode one and mode two obtain the event of data providing notice.
In the embodiment of the present invention, configuration center can be equipped with data synchronization unit 101, number can be stored in configuration center
Identified according to the data providing of data providing synchronous needed for party in request.In this way, data synchronization unit 101 can be according to configuration
Data providing mark in center, event notice is obtained from corresponding data providing.
Further, it can also store in the embodiment of the present invention, in configuration center and be treated together needed for storage demand data side 103
The data type of step, such as, house property type, Logistics Types etc..In this way, data synchronization unit 101 can be from each data providing
102 obtain the event with default data type to be synchronized in real time notifies.
S220：The event notice of acquisition is added in event task list.
In the embodiment of the present invention, event task list can be pre-set in data synchronization unit 101, it is to be consumed for storing
Event notice, i.e., the event obtained in real time by step S210 notifies.
In practical application, the event that event task list stores acquisition in the form of database is notified so as to event task
Event notice in table is operated, such as inquiry, statistics, monitoring etc..
In the embodiment of the present invention, if the event notice that step S210 is obtained in real time had both included treating together needed for demand data side
The event of the data type of step notifies that also the event including other data types notifies that then data synchronization unit 101 can determine
The data type for each event notice that step S210 is obtained in real time, and the event with default data type to be synchronized is led to
Know and be added in event task list.
S230：Start the event that event consumer process is read in event task list to notify, and the event of reading is notified into hair
Demand data side is given, so that demand data root is notified from data providing acquisition changed data according to event.
In the embodiment of the present invention, after data synchronization unit 101 stores event notice to be consumed in event task list, i.e.,
Event consumer process can be started, the event consumer process of startup can read event notice from event task list, and will read
Event notice be sent to demand data side 103.
In practical application, data providing can be multiple, and each data providing can generate multiple in synchronization
Event notifies that the quantity for causing the event notice to be consumed in event task list is also dynamic change.Therefore, in order to ensure
The real-time of data synchronization, can notify quantity according to the event in event task list, start one or more event consumers into
Journey reads event notice from event task list.
Specifically, the allocation ratio of quantity and the quantity of the event consumer process of startup can be notified according to event, and
Event notice quantity in current event task list, to determine the quantity of the event consumer process started.
Wherein, event notice quantity can be previously according to reality with the allocation ratio of the quantity of the event consumer process started
Demand is set.For example, the allocation ratio of quantity and the quantity of the event consumer process started can be notified to set event
It is set to 1：1, or 2：1 etc..
It is alternatively possible to the event notice quantity in the event notification threshold and current event task list of setting is come really
Surely the quantity of the event consumer process started.
For example, when event notification threshold of the event notice quantity in event task list less than setting, the can be started
The event consumer process of one specified quantity；When event notice of the event notice quantity in event task list greater than or equal to setting
During threshold value, the event consumer process of the second specified quantity can be started.
Consider to notify for same event, as long as by consumption, i.e., data synchronization unit 101 need to only lead to the event
Know and be timely transmitted to demand data side 103, and need not repeatedly be consumed.
Therefore, in the embodiment of the present invention, notified for each event in event task list, which notifies by a thing
After part consuming process is read, it will be rejected from event task list.
Alternatively, in the embodiment of the present invention, notified for each event in event task list, which notifies by one
After event consumer process is read, event notice can be set to be in by consumption status or consumed shape in event task list
State, avoids other event consumer processes from carrying out secondary reading to event notice and causes the wasting of resources.
In the embodiment of the present invention, if both having included the data type to be synchronized needed for demand data side in event task list
Event notifies that also the event including other data types notifies, then data synchronization unit 101 is starting the reading of event consumer process
During event notice in event task list, event consumer process can be started and read in event task list with default
The event notice of data type to be synchronized, the event without reading other data types notify.
In the embodiment of the present invention, after event notice is sent to demand data side by data synchronization unit 101, if data need
The side of asking 103 notifies successfully to obtain changed data from data providing according to the event of reception, then can synchronously be filled to data
Put the consumption successful information that 101 returns are directed to event notice.
If demand data side 103 notifies to obtain changed data not successfully from data providing according to the event of reception,
Then demand data side 103 can return to the consumption failure information for event notice to data synchronization unit 101.
Correspondingly, data synchronization unit 101 receives the consumption failure information that demand data side returns, and by the consumption of reception
The targeted event notice of failure information is added in default event consumer failure table.
Then, data synchronization unit 101 can start failed tasks treatment progress by the event in event consumer failure table
Notice is re-added in event task list, for re-reading event notice subsequently through event consumer process, until connecing
The consumption successful information that demand data side returns to event notice is received, is ensured with this between demand data side and data providing
Data it is synchronous.
Further, in the embodiment of the present invention, managing process can also be pre-set in data synchronization unit 101, is used for
Management event consuming process, event pull the data synchronizing process such as process and failed tasks treatment progress.
Specifically, data synchronization unit 101 can carry out the data synchronizing process of startup by default managing process
Monitoring；When monitoring abnormal data synchronizing process, stop abnormal data synchronizing process, and start the same stepping of new data
Journey.Wherein, data synchronizing process can include；Event consumer process, event pull process and failed tasks treatment progress.
From the description above as can be seen that in method of data synchronization provided in an embodiment of the present invention, each number can be obtained in real time
The corresponding event notice generated according to provider when data change occurs；The event notice of acquisition is added to event task list
In；Start the event that event consumer process is read in event task list to notify, and the event notice of reading is sent to data to need
The side of asking, so that demand data root is notified from data providing acquisition changed data according to event.In this way, demand data can
To obtain changed data to data providing in time after event notice is received, provided without expending resource in data
The invalid resource pressure for pulling, reducing demand data side and data providing is carried out when just data change occurs.Moreover, number
According to provider without expend resource go to focused data party in request whether successful according to event to notify to complete data it is synchronous and same
Processing after step failure, reduces the resource pressure of data providing.
On the basis of above-described embodiment, with reference to figure 3, synchronously filled it illustrates data according to an embodiment of the invention
The exemplary block diagram put.
As shown in figure 3, data synchronization unit 101 provided in an embodiment of the present invention can include：Event notifies acquisition module
301st, event notice add module 302 and data simultaneous module 303.
Wherein, event notice acquisition module 301 is generated for obtaining each data providing in real time when data change occurs
Corresponding event notice.
Event notice add module 302 is used to the event notice of acquisition being added in event task list.
Data simultaneous module 303 is used to start the event notice in event consumer process reading event task list, and will read
The event notice taken is sent to demand data side, so that demand data root is notified after data providing obtains change according to event
Data.
Alternatively, event notice acquisition module 301 can be obtained each data providing by the following two kinds mode and occurred
The corresponding event notice that data generate when changing.
Specifically, event notice acquisition module 301 can be directed to each data providing, and it is real-time that startup event pulls process
The output interface provided from the data providing, the corresponding event that pulling data provider generates when data change occurs are led to
Know.
Alternatively, event notice acquisition module 301 can be directed to each data providing, it is real-time by default receiving interface
Receive the corresponding event notice that the data providing of data providing push is generated when data change occurs.
Alternatively, data simultaneous module 303 can notify quantity according to the event in event task list, start one or more
A event consumer process reads the event notice in event task list.
Wherein, notified for each event in event task list, event notice is read by an event consumer process
Afterwards, will be rejected from event task list.
In the embodiment of the present invention, event notice can include：The data type for the data that data change occurs.
Correspondingly, data simultaneous module 303 can start event consumer process and read in the event task list with pre-
If data type to be synchronized event notice.
Further, when data simultaneous module 303 is additionally operable to obtain changed data not successfully in demand data side, connect
Receive the consumption failure information that demand data side returns；The targeted event notice of the consumption failure information of reception is added to default
Event consumer failure table in；Start failed tasks treatment progress to be re-added to the event notice in event consumer failure table
In event task list.
Further, in the embodiment of the present invention, can further include in data synchronization unit 101：Management of process mould
Block (is not indicated) in figure.
Process manager module is used to be monitored the data synchronizing process of startup by default managing process；Monitor
During the data synchronizing process of exception, stop abnormal data synchronizing process, and start new data synchronizing process.Wherein, data
Synchronized process includes；Event consumer process, event pull process and failed tasks treatment progress.
It should be appreciated that all modules described in data synchronization unit 101 are opposite with each step in the method that Fig. 2 is described
Should.Thus, the operation and feature above with respect to method description are equally applicable to data synchronization unit 101 and mould wherein included
Block, details are not described herein.
With reference to figure 4, it illustrates the entity structure schematic diagram of electronic equipment according to an embodiment of the invention.Such as Fig. 4
Shown, which can include：Processor (processor) 401, memory (memory) 402 and bus 403, its
In, processor 401, memory 402 completes mutual communication by bus 403.Processor 401 can call memory 402
In computer program, to perform the method that above-mentioned embodiment illustrated in fig. 2 is provided, for example, including：
The corresponding event notice that each data providing is generated when data change occurs is obtained in real time；By the event of acquisition
Notice is added in event task list；Start event consumer process and read event notice in event task list, and by reading
Event notice is sent to demand data side, so that demand data root is notified from the number after data providing acquisition change according to event
According to.
The embodiment of the present invention provides another non-transient computer readable storage medium storing program for executing, non-transient computer readable storage medium
Matter stores computer program, and computer program makes computer perform the method that above-mentioned embodiment illustrated in fig. 2 is provided, such as wraps
Include：
The corresponding event notice that each data providing is generated when data change occurs is obtained in real time；By the event of acquisition
Notice is added in event task list；Start event consumer process and read event notice in event task list, and by reading
Event notice is sent to demand data side, so that demand data root is notified from the number after data providing acquisition change according to event
According to.
In addition, the logical order in above-mentioned memory can be realized by the form of SFU software functional unit and is used as independent
Production marketing or in use, can be stored in a computer read/write memory medium.Based on such understanding, the present invention
The part that substantially contributes in other words to the prior art of technical solution or the part of the technical solution can be with software
The form of product embodies, which is stored in a storage medium, including some instructions use so that
One computer equipment (can be personal computer, server, or network equipment etc.) performs each embodiment institute of the present invention
State all or part of step of method.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with
The medium of store program codes.
The embodiment of base station described above is only schematical, wherein the unit illustrated as separating component
It may or may not be physically separate, physics list may or may not be as the component that unit is shown
Member, you can with positioned at a place, or can also be distributed in multiple network unit.It can be selected according to the actual needs
In some or all of module realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying creativeness
Work in the case of, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
Realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Based on such understanding, on
The part that technical solution substantially in other words contributes to the prior art is stated to embody in the form of software product, should
Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including some fingers
Order is used so that a computer equipment (can be personal computer, server, or network equipment etc.) performs each implementation
Method described in some parts of example or embodiment.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical solution spirit and
Scope.
Claims (10)
- A kind of 1. method of data synchronization, it is characterised in that including：The corresponding event notice that each data providing is generated when data change occurs is obtained in real time；The event notice of acquisition is added in event task list；Start the event that event consumer process is read in the event task list to notify, and the event notice of reading is sent to number According to party in request, so that demand data root is notified from data providing acquisition changed data according to the event.
- 2. according to the method described in claim 1, it is characterized in that, each data providing is obtained in real time when data change occurs The corresponding event notice of generation, including：For each data providing, startup event pulls the output interface that process is provided from the data providing in real time, pulls The corresponding event notice that data providing is generated when data change occurs；And/orFor each data providing, the data pushed by default receiving interface real-time reception data providing provide The corresponding event notice that side is generated when data change occurs.
- 3. according to the method described in claim 1, it is characterized in that, the startup event consumer process reads the event task Event notice in table, including：Event notice quantity in the event task list, starts one or more event consumer processes and reads the event Event notice in task list；Wherein, notified for each event in event task list, will after event notice is read by an event consumer process Rejected from the event task list.
- 4. according to the method described in claim 3, it is characterized in that, event notice includes：The data that data change occurs Data type；The event notice started in the event consumer process reading event task list, including：Start event consumer process and read the event notice in the event task list with default data type to be synchronized.
- 5. according to the method described in claim 2, it is characterized in that, further include：When obtaining changed data not successfully in the demand data side, the consumption failure that the demand data side returns is received Information；The targeted event notice of the consumption failure information of reception is added in default event consumer failure table；Start failed tasks treatment progress and the event notice in the event consumer failure table is re-added to the event times It is engaged in table.
- 6. according to the method described in claim 5, it is characterized in that, further include：The data synchronizing process of startup is monitored by default managing process；Monitor abnormal data synchronizing process When, stop abnormal data synchronizing process, and start new data synchronizing process；Wherein, the data synchronizing process includes；Event consumer process, event pull process and failed tasks treatment progress.
- A kind of 7. data synchronization unit, it is characterised in that including：Event notifies acquisition module, the corresponding event generated for obtaining each data providing in real time when data change occurs Notice；Event notifies add module, for the event notice of acquisition to be added in event task list；Data simultaneous module, for starting the event notice in the event consumer process reading event task list, and will read Event notice be sent to demand data side, for demand data root according to the event notify from the data providing obtain Changed data.
- A kind of 8. data synchronous system, it is characterised in that including：Data synchronization unit as claimed in claim 7, and with institute State data providing and the data party in request of data synchronization unit connection.
- 9. a kind of electronic equipment, it is characterised in that including processor, memory and bus, wherein：The processor, the memory complete mutual communication by bus；The processor can call the computer program in memory, to perform as described in claim 1-7 any one The step of method.
- 10. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that the program is by processor Realized during execution such as the step of claim 1-7 any one the methods.
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| CN110704442A (en) * | 2019-09-29 | 2020-01-17 | 深圳无域科技技术有限公司 | Real-time acquisition method and device for big data |
| CN111027051A (en) * | 2019-10-29 | 2020-04-17 | 贝壳技术有限公司 | Method and device for controlling page permission calling and readable storage medium |
| CN111949731A (en) * | 2020-08-14 | 2020-11-17 | 厦门美图之家科技有限公司 | Data synchronization method and device, electronic equipment and storage medium |
| CN112187854A (en) * | 2020-08-18 | 2021-01-05 | 华控清交信息科技(北京)有限公司 | Task processing method and device for task processing |
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| CN110704442A (en) * | 2019-09-29 | 2020-01-17 | 深圳无域科技技术有限公司 | Real-time acquisition method and device for big data |
| CN111027051A (en) * | 2019-10-29 | 2020-04-17 | 贝壳技术有限公司 | Method and device for controlling page permission calling and readable storage medium |
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| CN112187854A (en) * | 2020-08-18 | 2021-01-05 | 华控清交信息科技(北京)有限公司 | Task processing method and device for task processing |
| CN112187854B (en) * | 2020-08-18 | 2023-10-20 | 华控清交信息科技(北京)有限公司 | Task processing method and device for task processing |
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Application publication date: 20180413 |