CN110795485A - Database access method, device and equipment - Google Patents
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Abstract
The application discloses a database access method, a database access device and a readable storage medium, wherein the scheme comprises the following steps: acquiring an access request sent by an application layer, wherein the access request comprises an interface address and visitor information; judging whether the current visitor has the authority of calling the target data interface corresponding to the interface address according to the visitor information; if yes, acquiring a preset data configuration template corresponding to the interface address, creating a target data interface according to the data configuration template, and generating a corresponding SQL statement according to a data storage position accessed by the target data interface; and sending the SQL statement to a database and executing to obtain an access result. Therefore, the scheme can dynamically and automatically create the corresponding data interface in real time according to the data configuration template in the database access process, the development efficiency and the expansibility of the data interface are improved, the development cost is reduced, and in addition, the data safety is improved by carrying out authority control on a service calling party.
Description
Technical Field
The present application relates to the field of computer technologies, and in particular, to a database access method, apparatus, device, and readable storage medium.
Background
In software development, generally, the software development is divided into business development and data statistics development, a data developer can count and summarize business data through a series of algorithms and obtain results, and a business system obtains the counted results through a calling interface to provide services for businesses.
At present, each service interface data is provided in a form of manual coding by a developer, and the scheme of manually writing the data interface has at least the following defects:
1. potential safety hazards exist: the calling party can call the interface address at will only know without authority control;
2. the maintenance cost is high: manually writing interface codes, which needs to be finished by a special service developer and needs to understand the meaning of SQL statements, wherein a corresponding code needs to be written every time a service is added;
3. poor flexibility: the interfaces are all developed and manually written without interface configuration, and development and test must be carried out again if certain parameters need to be modified;
4. the expandability is low: the manual code compiling method has the advantages that as the styles of developers are different, the expandability of interfaces is less considered, and if new characteristics need to be added, the codes need to be coded for each interface;
5. the reuse rate is low: the customized coding is carried out on each service, no uniform specification exists, and the reusability is not considered during coding, so the code redundancy reusability is low.
Therefore, how to provide a data interface generation scheme to avoid the above defects is a problem to be solved by those skilled in the art.
Disclosure of Invention
The application aims to provide a database access method, a database access device and a readable storage medium, which are used for solving the problems of high cost, low expandability and low reuse rate caused by manual compiling and the problems of potential safety hazards in the traditional data interface compiling scheme. The specific scheme is as follows:
in a first aspect, the present application provides a database access method, including:
obtaining an access request sent by an application layer, wherein the access request comprises an interface address and visitor information;
judging whether the current visitor has the authority of calling the target data interface corresponding to the interface address according to the visitor information;
if yes, acquiring a preset data configuration template corresponding to the interface address, creating the target data interface according to the data configuration template, and generating a corresponding SQL statement according to a data storage position accessed by the target data interface;
and sending the SQL statement to a database and executing to obtain an access result.
Preferably, after the sending and executing the SQL statement to the database, the method further includes:
respectively judging whether an access result is returned or not and whether the access result is an expected access result or not;
and if the access result cannot be returned or is not an expected access result, marking the data configuration template corresponding to the interface address to prompt modification operation.
Preferably, after the marking the data configuration template corresponding to the interface address, the method further includes:
and displaying a visual configuration interface so that a user can modify the data configuration template corresponding to the interface address in the visual configuration interface.
Preferably, the data configuration template includes any one or more of: table name, table field, sorting mode, and aggregation mode.
Preferably, before the obtaining a preset data configuration template corresponding to the interface address and creating the target data interface according to the data configuration template, the method further includes:
judging whether the call volume of the target data interface exceeds a first preset threshold value or not;
and if the number of the data configuration templates exceeds the preset number, acquiring a preset data configuration template corresponding to the interface address, and creating the target data interface according to the data configuration template.
Preferably, the determining whether the current visitor has the authority to call the target data interface corresponding to the interface address further includes:
judging whether the access amount of the user account exceeds a second preset threshold value or not;
and if so, limiting the access request of the user account.
In a second aspect, the present application provides a database access apparatus, including:
a request acquisition module: the access request comprises an interface address and visitor information;
an authentication module: the interface address is used for storing the visitor information of the current visitor;
an interface configuration module: the system comprises a data configuration template, a target data interface and a corresponding SQL statement, wherein the data configuration template is used for acquiring a preset data configuration template corresponding to an interface address when the current visitor has the authority of calling the target data interface corresponding to the interface address, creating the target data interface according to the data configuration template, and generating the corresponding SQL statement according to the data storage position accessed by the target data interface;
an access result module: and the SQL statement is sent to a database and executed to obtain an access result.
Preferably, the interface configuration module includes:
a call quantity monitoring unit: the system is used for judging whether the call volume of the target data interface exceeds a first preset threshold value or not;
an interface configuration unit: and the data configuration module is used for acquiring a preset data configuration template corresponding to the interface address when the call volume of the target data interface does not exceed the first preset threshold, and creating the target data interface according to the data configuration template.
In a third aspect, the present application provides a database access device, including:
a memory: for storing a computer program;
a processor: for executing said computer program for carrying out the steps of a database access method as described above.
In a fourth aspect, the present application provides a readable storage medium having stored thereon a computer program for implementing the steps of a database access method as described above when executed by a processor.
The application provides a database access method, which comprises the following steps: acquiring an access request sent by an application layer, wherein the access request comprises an interface address and visitor information; judging whether the current visitor has the authority of calling the target data interface corresponding to the interface address according to the visitor information; if yes, acquiring a preset data configuration template corresponding to the interface address, creating a target data interface according to the data configuration template, and generating a corresponding SQL statement according to a data storage position accessed by the target data interface; and sending the SQL statement to a database and executing to obtain an access result. Therefore, the scheme can dynamically and automatically create the corresponding data interface in real time according to the data configuration template in the database access process, so that the development efficiency is improved; a data interface is constructed according to the data configuration template, so that the expansibility of the data interface is improved; in addition, the SQL-based access requirement only needs to generate SQL statements through configuring a data structure, so that the development cost is reduced; finally, the scheme carries out authority control on the service calling party, and improves data security.
In addition, the application also provides a database access device, equipment and a readable storage medium, and the technical effect of the database access device corresponds to that of the method, and the details are not repeated here.
Drawings
For a clearer explanation of the embodiments or technical solutions of the prior art of the present application, the drawings needed for the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a flowchart illustrating a first implementation of a database access method provided in the present application;
FIG. 2 is a schematic diagram illustrating an implementation process of a database access method provided in the present application;
fig. 3 is a flowchart illustrating an implementation of a second embodiment of a database access method provided in the present application;
fig. 4 is a flowchart illustrating an implementation of a third embodiment of a database access method provided in the present application;
FIG. 5 is a functional block diagram of an embodiment of a database access device provided herein;
fig. 6 is a schematic structural diagram of an embodiment of a database access device provided in the present application.
Detailed Description
In order that those skilled in the art will better understand the disclosure, the following detailed description will be given with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
When the data provides service, codes need to be written manually to provide interface service for the data, and a section of service codes needs to be added correspondingly every time an interface is added, so that the development cost is high and the interface expandability is low. In addition, the traditional data interface lacks authority limit, so a certain potential safety hazard exists. In order to solve the above problems, the present application provides a database access method, apparatus, device and readable storage medium, which achieve the purpose of dynamically and automatically constructing a data interface in real time according to a data configuration template in the database access process, effectively reduce the development cost, and improve the expandability of the interface, and in addition, by performing authority control on the interface, improve the security of data.
Referring to fig. 1, a first embodiment of a database access method provided by the present application is described below, where the first embodiment includes:
s101, obtaining an access request sent by an application layer, wherein the access request comprises an interface address and visitor information;
s102, judging whether the current visitor has the authority of calling the target data interface corresponding to the interface address according to the visitor information; if yes, jumping to S103, otherwise refusing the access request;
s103, acquiring a preset data configuration template corresponding to the interface address, creating the target data interface according to the data configuration template, and generating a corresponding SQL statement according to the data storage position accessed by the target data interface;
and S104, sending the SQL statement to a database and executing to obtain an access result.
The present embodiment relates to an application programming interface, referred to as application programming interface api (application programming interface), that is, an agreement for linking different components of a software system, and the present embodiment mainly implements database access and other database operations through interface call.
As shown in fig. 2, the present embodiment mainly relates to three modules, the bottom layer is a database, and is used for performing data statistics; the middle layer is a service layer and a data layer, wherein the data layer is used for storing various data, and the data source can be in various modes and mainly comprises a database; the service layer is used for providing links of configuration data, configuring a data interface and executing the splicing, analysis and execution of SQL (structured query Language) statements; the upper layer is an application layer and faces to a data interface service calling party, and the calling party can carry out service processing and display by calling the interface service. The solid arrows in fig. 2 indicate the data supply flow direction.
The service layer is the core of this embodiment, and is further described below: as shown in fig. 2, the data configuration may provide a dynamic data source configuration indicating the data source of the interface; the data structure configuration comprises a table name, a table field, a sorting mode and an aggregation mode in the database, and the theme is the business meaning classification of the interface; the SQL execution module is used for configuring a data structure to generate SQL sentences, executing the SQL sentences according to rules, generally testing the SQL sentences in a test environment and testing the performance and the data correctness of the SQL sentences; the authority management module is used for storing preset calling authorities of different visitors to each data interface and is also used for identifying the authority of the visitors in the database access process to prevent unauthorized calling.
In a specific implementation process, the present embodiment presets permissions of different visitors to each data interface, and after a visitor sends an access request through an application layer, a service layer first determines, according to visitor information carried by the access request and a preset invoking permission, whether a current visitor has permission to invoke a target data interface corresponding to an interface address, where the current visitor is a visitor corresponding to the visitor information, and the interface address corresponds to the data interface one to one, and can be understood as flag information of the data interface. And if and only if the current visitor is judged to have the access right for calling the target interface, executing subsequent operation, and otherwise, rejecting the access request of the visitor.
In addition, in this embodiment, a data configuration template is also preset, and data configuration rules of one or more data interfaces are described in the data configuration template, where the data configuration rules are in one-to-one correspondence with the interface addresses. In the process of creating the data interface, firstly, a data configuration rule corresponding to the interface address is inquired from the data configuration template through the interface address carried by the access request, and then the target data interface can be created according to the data configuration rule obtained through inquiry. Wherein the data configuration rule comprises any one or more of the following items: table name, table field, sorting mode, and aggregation mode.
After creating the target data interface and generating the corresponding SQL statement, as shown in fig. 2, the service layer of this embodiment returns the access result to the application layer finally by SQL parsing, generating an execution plan, SQL execution, result set merging, formatting a structure, and returning.
According to the database access method provided by the embodiment, the corresponding data interface is dynamically and automatically created in real time according to the data configuration template in the database access process, so that rapid development is realized to improve the development efficiency, the maintenance cost of codes and data is reduced, and the stability of data service is improved; based on the query requirement of SQL, the SQL sentence can be online only by configuring the data structure to generate the SQL sentence, so that the development cost and the requirement communication cost are reduced; and the service callers are subjected to authority control, and each caller is configured with different interface authorities, so that unauthorized calling cannot be realized, and the data security is improved.
An embodiment two of the database access method provided by the present application is described in detail below, and the embodiment two is implemented based on the foregoing embodiment one and is expanded to a certain extent on the basis of the embodiment one.
Specifically, as shown in fig. 2, in the second embodiment, compared to the first embodiment, a current limiting module is added in the service layer, so that the call volume of the data interface is mainly limited, and the large calling party is prevented from calling the pull-down service concurrently.
Referring to fig. 3, the second embodiment specifically includes:
s301, acquiring an access request sent by an application layer, wherein the access request comprises an interface address and a user account;
s302, judging whether the call volume of the target data interface corresponding to the interface address exceeds a first preset threshold value or not; if yes, rejecting the access request; if not, jumping to S303;
s303, judging whether the access amount of the user account exceeds a second preset threshold value or not; if the current limit exceeds the preset threshold, limiting the access request of the user account; if not, jumping to S304;
the first preset threshold and the second preset threshold may be set according to actual requirements, and this embodiment is not particularly limited.
S304, judging whether the current visitor has the authority of calling the target data interface or not according to the visitor information; if yes, jumping to S205; if not, rejecting the access request;
s305, acquiring a preset data configuration template corresponding to the interface address, creating the target data interface according to the data configuration template, and generating a corresponding SQL statement according to the data storage position accessed by the target data interface;
s306, sending the SQL statement to a database and executing to obtain an access result.
In addition to the above current limiting module, as a preferred embodiment, a log management module and a model cache module may be further disposed in the service layer, where the log management module is configured to log the interface call to be used as an interface call analysis; the model caching module is used for caching data with little interface change so as to improve the query performance of the interface.
It can be seen that, according to the database access method provided by this embodiment, an interface can be provided by generating an SQL statement by using the SQL execution module to correspond to the configuration data structure, so that the providing efficiency of the interface is greatly improved.
The third embodiment of the database access method provided by the present application is described in detail below, and the third embodiment is implemented based on the first embodiment and is expanded to a certain extent on the basis of the first embodiment.
Specifically, as shown in fig. 2, in the third embodiment, on the basis of the first embodiment, a monitoring management module is added in the service layer, and is used for monitoring the interface access process and prompting abnormal access. In addition, the third embodiment provides a visual configuration interface for the user, and the threshold of interface development and maintenance is reduced.
Referring to fig. 4, the third embodiment specifically includes:
s401, obtaining an access request sent by an application layer, wherein the access request comprises an interface address and visitor information;
s402, judging whether the current visitor has the authority of calling the target data interface corresponding to the interface address according to the visitor information; if yes, jumping to S303;
s403, acquiring a preset data configuration template corresponding to the interface address, creating the target data interface according to the data configuration template, and generating a corresponding SQL statement according to the data storage position accessed by the target data interface;
s404, sending the SQL statement to a database and executing to obtain an access result;
s405, respectively judging whether an access result is returned or not and whether the access result is an expected access result or not; if the access result cannot be returned or is not the expected access result, jumping to S406; otherwise, feeding back the access result to the application layer;
s406, marking the data configuration template corresponding to the interface address to prompt modification operation;
s407, displaying a visual configuration interface so that a user can modify the data configuration template corresponding to the interface address on the visual configuration interface.
On the basis, a query optimization module can be further arranged in the service layer, and the query optimization is used for obtaining the slow SQL statement according to the relevant conditions and then carrying out relevant optimization.
It can be seen that, according to the database access method provided by this embodiment, a data interface query service can be provided by configuring a data structure on a system to generate an SQL statement, and on this basis, a data interface calling process is monitored, and if an interface abnormality is found, a visual configuration interface is provided so that a user can modify a data configuration template. The SQL sentence is generated by visually configuring the data structure, and a data source can be selected, so that an accessible data interface can be created or modified, and the operation is greatly facilitated.
In the following, a database access device provided by an embodiment of the present application is introduced, and a database access device described below and a database access method described above may be referred to correspondingly.
As shown in fig. 5, the apparatus includes:
the request acquisition module 501: the access request comprises an interface address and visitor information;
the authentication module 502: the interface address is used for storing the visitor information of the current visitor;
the interface configuration module 503: the system comprises a data configuration template, a target data interface and a corresponding SQL statement, wherein the data configuration template is used for acquiring a preset data configuration template corresponding to an interface address when the current visitor has the authority of calling the target data interface corresponding to the interface address, creating the target data interface according to the data configuration template, and generating the corresponding SQL statement according to the data storage position accessed by the target data interface;
the access result module 504: and the SQL statement is sent to a database and executed to obtain an access result.
In some specific embodiments, the interface configuration module includes:
a call quantity monitoring unit: the system is used for judging whether the call volume of the target data interface exceeds a first preset threshold value or not;
an interface configuration unit: and the data configuration module is used for acquiring a preset data configuration template corresponding to the interface address when the call volume of the target data interface does not exceed the first preset threshold, and creating the target data interface according to the data configuration template.
The database access device of this embodiment is used to implement the foregoing database access method, and therefore a specific implementation manner of the database access device may be seen in the foregoing embodiment portions of the database access method, for example, the request obtaining module 501, the authentication module 502, the interface configuration module 503, and the access result module 504, which are respectively used to implement steps S101, S102, S103, and S104 in the foregoing database access method. Therefore, specific embodiments thereof may be referred to in the description of the corresponding respective partial embodiments, and will not be described herein.
In addition, since the database access apparatus of this embodiment is used to implement the foregoing database access method, the role of the database access apparatus corresponds to that of the foregoing method, and details are not described here.
In addition, the present application also provides a database access device, as shown in fig. 6, including:
the memory 100: for storing a computer program;
the processor 200: for executing said computer program for carrying out the steps of a database access method as described above.
Finally, the present application provides a readable storage medium having stored thereon a computer program for implementing the steps of a database access method as described above when executed by a processor.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The above detailed descriptions of the solutions provided in the present application, and the specific examples applied herein are set forth to explain the principles and implementations of the present application, and the above descriptions of the examples are only used to help understand the method and its core ideas of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A database access method, comprising:
obtaining an access request sent by an application layer, wherein the access request comprises an interface address and visitor information;
judging whether the current visitor has the authority of calling the target data interface corresponding to the interface address according to the visitor information;
if yes, acquiring a preset data configuration template corresponding to the interface address, creating the target data interface according to the data configuration template, and generating a corresponding SQL statement according to a data storage position accessed by the target data interface;
and sending the SQL statement to a database and executing to obtain an access result.
2. The method of claim 1, after said sending the SQL statement to a database and executing, further comprising:
respectively judging whether an access result is returned or not and whether the access result is an expected access result or not;
and if the access result cannot be returned or is not an expected access result, marking the data configuration template corresponding to the interface address to prompt modification operation.
3. The method of claim 2, wherein after said marking the data configuration template corresponding to the interface address, further comprising:
and displaying a visual configuration interface so that a user can modify the data configuration template corresponding to the interface address in the visual configuration interface.
4. The method of claim 1, wherein the data configuration template comprises any one or more of: table name, table field, sorting mode, and aggregation mode.
5. The method according to any one of claims 1 to 4, wherein before the obtaining a preset data configuration template corresponding to the interface address, and creating the target data interface according to the data configuration template, further comprising:
judging whether the call volume of the target data interface exceeds a first preset threshold value or not;
and if the number of the data configuration templates exceeds the preset number, acquiring a preset data configuration template corresponding to the interface address, and creating the target data interface according to the data configuration template.
6. The method of claim 5, wherein the visitor information is a user account, and the determining whether the current visitor has the right to call the target data interface corresponding to the interface address further comprises:
judging whether the access amount of the user account exceeds a second preset threshold value or not;
and if so, limiting the access request of the user account.
7. A database access apparatus, comprising:
a request acquisition module: the access request comprises an interface address and visitor information;
an authentication module: the interface address is used for storing the visitor information of the current visitor;
an interface configuration module: the system comprises a data configuration template, a target data interface and a corresponding SQL statement, wherein the data configuration template is used for acquiring a preset data configuration template corresponding to an interface address when the current visitor has the authority of calling the target data interface corresponding to the interface address, creating the target data interface according to the data configuration template, and generating the corresponding SQL statement according to the data storage position accessed by the target data interface;
an access result module: and the SQL statement is sent to a database and executed to obtain an access result.
8. The apparatus of claim 7, wherein the interface configuration module comprises:
a call quantity monitoring unit: the system is used for judging whether the call volume of the target data interface exceeds a first preset threshold value or not;
an interface configuration unit: and the data configuration module is used for acquiring a preset data configuration template corresponding to the interface address when the call volume of the target data interface does not exceed the first preset threshold, and creating the target data interface according to the data configuration template.
9. A database access device, comprising:
a memory: for storing a computer program;
a processor: for executing said computer program for carrying out the steps of a database access method according to any one of claims 1-6.
10. A readable storage medium, having stored thereon a computer program for implementing the steps of a database access method according to any one of claims 1-6 when being executed by a processor.
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| CN111737291A (en) * | 2020-06-11 | 2020-10-02 | 青岛海尔科技有限公司 | Method, device and database for inquiring equipment information |
| CN111737291B (en) * | 2020-06-11 | 2023-07-21 | 青岛海尔科技有限公司 | Method, device and database for inquiring equipment information |
| CN112416964A (en) * | 2020-11-17 | 2021-02-26 | 深圳依时货拉拉科技有限公司 | Data processing method, device and system, computer equipment and computer readable storage medium |
| CN112506473A (en) * | 2020-12-01 | 2021-03-16 | 深圳市和讯华谷信息技术有限公司 | API development method and device, computer equipment and storage medium |
| CN113778390A (en) * | 2021-01-14 | 2021-12-10 | 北京沃东天骏信息技术有限公司 | Interface access method and device |
| CN112925841A (en) * | 2021-03-26 | 2021-06-08 | 瀚高基础软件股份有限公司 | Distributed JDBC implementation method, device and computer-readable storage medium |
| CN113254614A (en) * | 2021-05-25 | 2021-08-13 | 平安证券股份有限公司 | Intelligent question answering method, device, equipment and computer readable storage medium |
| CN113282457A (en) * | 2021-05-25 | 2021-08-20 | 山东浪潮通软信息科技有限公司 | Method, device and medium for maintaining heterogeneous system integration interface information |
| CN113592575A (en) * | 2021-06-18 | 2021-11-02 | 青岛海尔科技有限公司 | Order determining method and device, storage medium and electronic device |
| CN113592575B (en) * | 2021-06-18 | 2024-01-26 | 青岛海尔科技有限公司 | Order determining method and device, storage medium and electronic device |
| CN114363417A (en) * | 2021-12-13 | 2022-04-15 | 南京莱斯信息技术股份有限公司 | Optimization design method for service interface concurrent call between systems |
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