CN111125180A - Inventory data statistical method and device, server and distributed purchasing system - Google Patents
Inventory data statistical method and device, server and distributed purchasing system Download PDFInfo
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- CN111125180A CN111125180A CN201811284475.2A CN201811284475A CN111125180A CN 111125180 A CN111125180 A CN 111125180A CN 201811284475 A CN201811284475 A CN 201811284475A CN 111125180 A CN111125180 A CN 111125180A
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Abstract
The invention is suitable for the technical field of data interaction, and provides a statistical method and a device of inventory data, a server and a distributed purchase system, wherein the statistical method comprises the following steps: receiving a notification of a data bus, wherein the notification carries an order message, and the notification is sent out through the data bus after a foreground performs deduction operation based on redis inventory after generating the order message; and deducting the background database based on the notification to obtain the current inventory data. In the invention, the synchronization of stock data of a foreground and a background is realized by combining the redis cache and the asynchronous notification of a data bus, and the reliability of the stock data is improved.
Description
Technical Field
The invention belongs to the technical field of data interaction, and particularly relates to a statistical method and device of inventory data, a server and a distributed purchasing system.
Background
With the advent of digital technology and the development of intelligence, more and more users shop online, which brings business opportunities to e-commerce.
For e-commerce, it is important to ensure the accuracy of inventory data, and if the inventory data is not accurate, for example, foreground data does not correspond to actual inventory data in the background, for example, the foreground data indicates that the inventory is not enough, so that the customer cannot make a purchase order, but the actual situation is that the background survives enough, which causes trouble to the e-commerce, so it is important to ensure the accuracy of inventory data.
In the prior art, the following schemes are generally adopted to count the inventory data: a database-based deduction scheme, a Redis cache-based deduction scheme, and a Redis cache and database-based synchronization deduction scheme;
when a deduction scheme based on a database is used, under a high concurrency scene, a large number of user requests can cause database blockage, so that a system is crashed, and a user cannot normally make an order; if inventory deduction operation is directly performed on the Redis cache, although concurrency performance is guaranteed, stability of the system strongly depends on the Redis cache server, and once the Redis server is crashed, serious problems that a user cannot access the system, inventory data is lost and the like can be caused; if inventory deduction operation is directly performed on the Redis cache, although concurrency performance is guaranteed, stability of the system strongly depends on the Redis cache server, and once the Redis server crashes, serious problems that a user cannot access the system, inventory data is lost and the like can be caused.
Disclosure of Invention
The embodiment of the invention provides a statistical method and device of inventory data, a server and a distributed purchasing system, and aims to solve the problem that the reliability of the inventory data is reduced because the unification of foreground and background data cannot be ensured in the prior art.
A statistical method of inventory data, comprising:
receiving a notification of a data bus, wherein the notification carries an order message, and the notification is sent out through the data bus after a foreground performs deduction operation based on redis inventory after generating the order message;
and deducting the background database based on the notification to obtain the current inventory data.
Preferably, before receiving the notification of the data bus, the method further comprises:
after the ordering message is generated, deduction operation is carried out based on redis inventory;
and generating and informing the order message to the message bus, so that the message bus can inform the background conveniently.
Preferably, deducting the background database based on the notification, and obtaining the current inventory data further includes:
and the timing polling module polls the foreground database and the background database so as to ensure the consistency of the stock quantity of the foreground database and the background database.
Preferably, the polling module polls the foreground database and the background database to ensure the consistency of the stock quantity of the foreground database and the background database comprises:
checking whether the stock data of the foreground database and the stock data of the background database are consistent;
when the two are inconsistent, inventory compensation is carried out;
and recording the compensation record.
Preferably, after generating the order message, before performing a deduction operation based on the redis inventory, the method further includes:
receiving a purchase request of a user;
when the current stock of the foreground is greater than zero, an order message is generated.
Preferably, deducting the background database based on the notification, and obtaining the current inventory data includes:
judging whether the order message is a successful order or not;
when the judgment result is yes, checking the current inventory data of the background;
deducting operation is carried out based on the successful order;
and recording the deduction operation.
The invention also provides a statistical device of the inventory data, which comprises a background, wherein the background comprises:
the notification receiving unit is used for receiving a notification of the data bus, wherein the notification is sent out by a foreground through the data bus after deduction operation is carried out on the basis of redis inventory after an order message is generated;
and the deduction unit is used for deducting the background database based on the notification to obtain the current inventory data.
Preferably, the statistical device further comprises:
the foreground is used for receiving ordering operation of a user and performing deduction operation based on redis inventory after generating ordering information; and generating and informing the order message to the message bus, so that the message bus can inform the background conveniently.
Preferably, the statistical device further comprises: and the message bus is used for receiving the order message of the foreground, generating a notice based on the order message and feeding back the notice to the background.
Preferably, the statistical device further comprises:
and the timing polling module is used for regularly polling the foreground database and the background database so as to ensure the consistency of the stock quantity of the foreground database and the background database.
The invention also provides a server, which comprises a statistical device of the inventory data, wherein the statistical device comprises a background, and the background comprises:
the notification receiving unit is used for receiving a notification of the data bus, wherein the notification is sent out by a foreground through the data bus after deduction operation is carried out on the basis of redis inventory after an order message is generated;
and the deduction unit is used for deducting the background database based on the notification to obtain the current inventory data.
The invention also provides a distributed purchasing system, which comprises a server, wherein the server comprises a statistical device of the inventory data, the statistical device comprises a background, and the background comprises:
the notification receiving unit is used for receiving a notification of the data bus, wherein the notification is sent out by a foreground through the data bus after deduction operation is carried out on the basis of redis inventory after an order message is generated;
and the deduction unit is used for deducting the background database based on the notification to obtain the current inventory data.
The invention also provides a memory storing a computer program executed by a processor to perform the steps of:
receiving a notification of a data bus, wherein the notification carries an order message, and the notification is sent out through the data bus after a foreground performs deduction operation based on redis inventory after generating the order message;
and deducting the background database based on the notification to obtain the current inventory data.
The invention also provides a service terminal, which comprises a memory, a processor and a computer program which is stored in the memory and can run on the processor, wherein the processor executes the computer program to realize the following steps:
receiving a notification of a data bus, wherein the notification carries an order message, and the notification is sent out through the data bus after a foreground performs deduction operation based on redis inventory after generating the order message;
and deducting the background database based on the notification to obtain the current inventory data.
In the embodiment of the invention, the synchronization of stock data of a foreground and a background is realized by combining the redis cache and the asynchronous notification of the data bus, and the reliability of the stock data is improved.
Drawings
FIG. 1 is a flow chart of a statistical method for inventory data according to a first embodiment of the present invention;
FIG. 2 is a flow chart of a preferred embodiment of a statistical method for inventory data according to a first embodiment of the present invention;
fig. 3 is a detailed flowchart of step S2 of the statistical method for inventory data according to the first embodiment of the present invention;
FIG. 4 is a block diagram of an inventory data statistics device according to a second embodiment of the present invention;
fig. 5 is a structural diagram of a service terminal according to a third embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In an embodiment of the present invention, a statistical method for inventory data includes: receiving a notification of a data bus, wherein the notification carries an order message, and the notification is sent out through the data bus after a foreground performs deduction operation based on redis inventory after generating the order message; and deducting the background database based on the notification to obtain the current inventory data.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
The first embodiment is as follows:
fig. 1 is a flowchart illustrating a statistical method for inventory data according to a first embodiment of the present invention, where the statistical method includes:
step S1, receiving a notification of a data bus;
specifically, a notification of the data bus is first received, where the notification carries a current new order message, and the notification is sent by the foreground through the data bus after performing a deduction operation based on redis inventory after generating the order message.
Step S2, deducting the background database based on the notification to obtain the current inventory data;
specifically, according to the currently received notification, deducting operation is performed on the background database based on the order message, so as to obtain current background inventory data.
In this embodiment, the synchronization of the stock data of the foreground and the background is realized by combining the redis cache and the asynchronous notification of the data bus, so that the reliability of the stock data is improved.
In a preferable embodiment of this embodiment, the step S1 may further include (see fig. 2):
step S3, after the ordering message is generated, deduction operation is carried out based on redis stock;
specifically, after ordering on the purchase page of the foreground, the user generates an ordering message, and the foreground performs deduction operation of redis inventory based on the ordering message.
Step S4, generating and informing the order message to the message bus, which is convenient for the message bus to inform the background;
specifically, the corresponding order message is generated based on the ordering message and then fed back to the message bus in a notification mode, so that the message bus can be fed back to the background in an asynchronous mode.
In a preferable embodiment of this embodiment, the step S3 further includes:
step S5, receiving a purchase request of a user;
specifically, when a user needs to buy an item, the user can place an order on a purchase page and initiate a purchase request;
step S6, when the current stock of the foreground is larger than zero, generating order-placing information;
specifically, when a purchase request is received, the stock quantity corresponding to the purchased commodity is acquired first, and if the stock quantity is greater than zero, order placing information is generated, that is, the user can perform subsequent operations (such as payment) for purchase, and the foreground generates order placing information according to the subsequent operations of the user.
In a preferable embodiment of this embodiment, after step S2, the method further includes:
step S7, the timing polling module polls the foreground database and the background database to ensure the consistency of the stock quantity of the foreground database and the background database;
preferably, firstly checking whether the stock data of the foreground database and the stock data of the background database are consistent;
and when the inventory data are consistent, no operation is performed.
In a preferred embodiment of this embodiment, the foreground database and the background database are both preferably mysql databases.
In a preferred embodiment of this embodiment, as shown in fig. 3, a specific flowchart of step S2 of the statistical method for inventory data according to the first embodiment of the present invention is provided, where the step S2 specifically includes:
step S21, judging whether the order message is a successful order;
specifically, when the background receives the notification sent by the data bus, it first analyzes whether the corresponding order message is a successful order, and when the order message is a successful order, it goes to step S22, otherwise, it does not perform any operation, and stops the process;
step S22, checking current inventory data of the background;
specifically, if the order is a successful order, the current inventory data needs to be modified, so that the current inventory data is obtained, which is convenient for the subsequent deduction operation.
Step S23, deduction operation is carried out based on the successful order;
specifically, based on the obtained inventory data, the corresponding deduction operation is performed on the quantity of the commodity corresponding to the successful order.
Step S24, recording deduction operation;
in particular, the current deduction operation is recorded, facilitating the subsequent verification of the data.
In a preferred embodiment of this embodiment, the data bus is a recketmq message bus.
In this embodiment, the synchronization of the stock data of the foreground and the background is realized by combining the redis cache and the asynchronous notification of the data bus, so that the reliability of the stock data is improved.
Secondly, a timing polling module is arranged to periodically poll the databases of the foreground and the background so as to ensure the consistency of the stock quantity of the foreground and the background, so that later-stage purchase is facilitated, the user experience is improved, and convenience is also improved for merchants.
Example two:
based on the first embodiment, as shown in fig. 4, a structural diagram of an apparatus for counting inventory data according to a second embodiment of the present invention is shown, where the apparatus includes: a background 1, a foreground 2 connected with the background 1, a data bus 3 connected with both the background 1 and the foreground 2, and a timing polling module 4, wherein,
the background 1 is used for receiving the notification of the data bus 3 and deducting the background database based on the notification to obtain the current inventory data;
the foreground 2 is used for receiving ordering operation of a user and carrying out deduction operation based on redis inventory after an ordering message is generated; order messages are generated and communicated to the message bus 3, which facilitates the message bus to communicate to the background 1.
The data bus 3 is used for receiving the order message of the foreground 2, generating a notice based on the order message and feeding back the notice to the background 1;
the timing polling module 4 is used for polling a foreground database and a background database so as to ensure the consistency of the stock quantity of the foreground database and the background database;
in a preferred embodiment of this embodiment, the background 1 includes: the device comprises a notification receiving unit and a background deduction unit connected with the notification receiving unit, wherein:
a notification receiving unit for receiving a notification of the data bus;
specifically, a notification of the data bus is first received, where the notification carries a current new order message, and the notification is sent by the foreground through the data bus after performing a deduction operation based on redis inventory after generating the order message.
The background deduction unit is used for carrying out deduction operation on the background database based on the notification to obtain current inventory data;
specifically, according to the currently received notification, deducting operation is performed on the background database based on the order message, so as to obtain current background inventory data.
In this embodiment, the synchronization of the stock data of the foreground and the background is realized by combining the redis cache and the asynchronous notification of the data bus, so that the reliability of the stock data is improved.
In a preferred embodiment of this embodiment, the foreground 2 includes: foreground deduction unit, foreground informing unit connected with foreground deduction unit 21, wherein:
the foreground deduction unit is used for carrying out deduction operation based on redis inventory after generating order placing information;
specifically, after ordering on the purchase page of the foreground, the user generates an ordering message, and the foreground performs deduction operation of redis inventory based on the ordering message.
The foreground informing unit is used for generating and informing the order message to the message bus, so that the message bus can conveniently inform the background;
specifically, the corresponding order message is generated based on the ordering message and then fed back to the message bus in a notification mode, so that the message bus can be fed back to the background in an asynchronous mode.
In a preferred embodiment of this embodiment, the foreground 2 further includes: the lower single unit that subtracts the unit connection with the foreground, wherein:
the ordering unit is used for receiving a purchase request of a user;
specifically, when a user needs to buy an item, the user can place an order on a purchase page and initiate a purchase request;
and is also used for: when the current stock of the foreground is greater than zero, generating an ordering message;
specifically, when a purchase request is received, the stock quantity corresponding to the purchased commodity is acquired first, and if the stock quantity is greater than zero, order placing information is generated, that is, the user can perform subsequent operations (such as payment) for purchase, and the foreground generates order placing information according to the subsequent operations of the user.
In a preferred embodiment of this embodiment, the timed polling module 4 is specifically configured to: polling a foreground database and a background database to ensure the consistency of the stock quantity of the foreground database and the background database;
preferably, firstly checking whether the stock data of the foreground database and the stock data of the background database are consistent;
and when the inventory data are consistent, no operation is performed.
In a preferred embodiment of this embodiment, the foreground database and the background database are both preferably mysql databases.
In a preferred embodiment of this embodiment, the foreground deducting unit 21 is specifically configured to: judging whether the order message is a successful order or not;
specifically, when the background receives a notification sent by the data bus, whether the corresponding order message is a successful order or not is analyzed, when the order message is an unsuccessful order, no operation is performed, the process is stopped, and when the order message is a successful order, the background is also used for checking the current inventory data;
specifically, if the order is a successful order, the current inventory data needs to be modified, so that the current inventory data is obtained, and subsequent deduction operation is facilitated;
the deduction module is also used for deduction operation based on the successful order;
specifically, based on the obtained inventory data, the corresponding deduction operation is performed on the quantity of the commodity corresponding to the successful order.
Also for recording deduction operations;
in particular, the current deduction operation is recorded, facilitating the subsequent verification of the data.
In a preferred embodiment of this embodiment, the data bus is a recketmq message bus.
In this embodiment, the synchronization of the stock data of the foreground and the background is realized by combining the redis cache and the asynchronous notification of the data bus, so that the reliability of the stock data is improved.
Secondly, a timing polling module is arranged to periodically poll the databases of the foreground and the background so as to ensure the consistency of the stock quantity of the foreground and the background, so that later-stage purchase is facilitated, the user experience is improved, and convenience is also improved for merchants.
The present invention further provides a server, where the server includes the inventory data statistics device according to the second embodiment, and the specific structure, the working principle, and the technical effects of the statistics device are consistent with the description of the second embodiment, and are not described herein again.
The present invention further provides a distributed purchasing system, where the distributed purchasing system includes the server as described above, and the server includes the statistical device of the inventory data as described in the above second embodiment, and the specific structure, the working principle, and the technical effects of the statistical device are consistent with the description of the above second embodiment, and are not described herein again.
Example three:
fig. 5 is a block diagram illustrating a service terminal according to a third embodiment of the present invention, where the service terminal includes: a memory (memory)51, a processor (processor)52, a communication Interface (communication Interface)53 and a bus 54, wherein the processor 52, the memory 51 and the communication Interface 53 complete mutual communication through the bus 54.
A memory 51 for storing various data;
specifically, the memory 51 is used for storing various data, such as data in communication, received data, and the like, and is not limited herein, and the memory further includes a plurality of computer programs.
A communication interface 53 for information transmission between communication devices of the service terminal;
the processor 52 is used for calling various computer programs in the memory 51 to execute a statistical method of the inventory data provided by the first embodiment, for example:
receiving a notification of a data bus, wherein the notification carries an order message, and the notification is sent out through the data bus after a foreground performs deduction operation based on redis inventory after generating the order message;
and deducting the background database based on the notification to obtain the current inventory data.
In this embodiment, set up regularly polling module and come the database of periodic polling proscenium and backstage to the uniformity of the stock quantity of guarantee proscenium and backstage, the smooth of later stage purchase of being convenient for goes on, improves user experience, also improves the facility for trade company.
The present invention also provides a memory, in which a plurality of computer programs are stored, and the computer programs are called by a processor to execute the method for updating a secret key according to the first embodiment.
In the invention, the synchronization of stock data of a foreground and a background is realized by combining the redis cache and the asynchronous notification of a data bus, and the reliability of the stock data is improved.
Secondly, a timing polling module is arranged to periodically poll the databases of the foreground and the background so as to ensure the consistency of the stock quantity of the foreground and the background, so that later-stage purchase is facilitated, the user experience is improved, and convenience is also improved for merchants.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation.
Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention. The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (14)
1. A statistical method of inventory data, comprising:
receiving a notification of a data bus, wherein the notification carries an order message, and the notification is sent out through the data bus after a foreground performs deduction operation based on redis inventory after generating the order message;
and deducting the background database based on the notification to obtain the current inventory data.
2. The statistical method of claim 1, wherein receiving notification of the data bus further comprises:
after the ordering message is generated, deduction operation is carried out based on redis inventory;
and generating and informing the order message to the message bus, so that the message bus can inform the background conveniently.
3. The statistical method of claim 2, wherein deducting the background database based on the notification, and after obtaining the current inventory data, further comprises:
and the timing polling module polls the foreground database and the background database so as to ensure the consistency of the stock quantity of the foreground database and the background database.
4. The updating method of claim 3, wherein the polling module polling the foreground database and the background database to ensure the consistency of the stock quantities of the foreground database and the background database comprises:
checking whether the stock data of the foreground database and the stock data of the background database are consistent;
when the two are inconsistent, inventory compensation is carried out;
and recording the compensation record.
5. The statistical method of claim 2, wherein after generating the order message, prior to performing a deduction operation based on redis inventory, further comprising:
receiving a purchase request of a user;
when the current stock of the foreground is greater than zero, an order message is generated.
6. The statistical method of claim 4, wherein deducting the background database based on the notification to obtain current inventory data comprises:
judging whether the order message is a successful order or not;
when the judgment result is yes, checking the current inventory data of the background;
deducting operation is carried out based on the successful order;
and recording the deduction operation.
7. An inventory data statistics device, comprising a back-end, the back-end comprising:
the notification receiving unit is used for receiving a notification of the data bus, wherein the notification is sent out by a foreground through the data bus after deduction operation is carried out on the basis of redis inventory after an order message is generated;
and the deduction unit is used for deducting the background database based on the notification to obtain the current inventory data.
8. The statistical apparatus of claim 7, further comprising:
the foreground is used for receiving ordering operation of a user and performing deduction operation based on redis inventory after generating ordering information; and generating and informing the order message to the message bus, so that the message bus can inform the background conveniently.
9. The statistical apparatus of claim 8, further comprising: and the message bus is used for receiving the order message of the foreground, generating a notice based on the order message and feeding back the notice to the background.
10. The statistical apparatus of claim 9, further comprising:
and the timing polling module is used for regularly polling the foreground database and the background database so as to ensure the consistency of the stock quantity of the foreground database and the background database.
11. A server, characterized in that it comprises means for updating the keys according to any one of claims 8 to 10.
12. A distributed purchasing system, comprising a server as claimed in claim 11.
13. A memory storing a computer program, the computer program being executable by a processor to perform the steps of:
receiving a notification of a data bus, wherein the notification carries an order message, and the notification is sent out through the data bus after a foreground performs deduction operation based on redis inventory after generating the order message;
and deducting the background database based on the notification to obtain the current inventory data.
14. A service terminal comprising a memory, a processor and a computer program stored in said memory and executable on said processor, characterized in that said processor implements the steps of the statistical method of inventory data according to any one of claims 1 to 7 when executing said computer program.
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| CN201811284475.2A CN111125180A (en) | 2018-10-30 | 2018-10-30 | Inventory data statistical method and device, server and distributed purchasing system |
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| CN112102040A (en) * | 2020-09-27 | 2020-12-18 | 中国建设银行股份有限公司 | Global inventory control method and system in distributed environment |
| CN112667600A (en) * | 2020-12-28 | 2021-04-16 | 紫光云技术有限公司 | Inventory solution method combining redis and MySQL |
| CN113420037A (en) * | 2021-06-27 | 2021-09-21 | 杭州迪普科技股份有限公司 | Real-time asset data changing method and device |
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| CN112102040A (en) * | 2020-09-27 | 2020-12-18 | 中国建设银行股份有限公司 | Global inventory control method and system in distributed environment |
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