CN114089979A - Persistent layer code updating method, system, terminal device and computer storage medium - Google Patents
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Abstract
The present disclosure provides a method, a system, a terminal device and a computer readable storage medium for updating a persistent layer code, so as to solve the problems of low updating efficiency of application development, high maintenance cost, etc., the method includes: comparing the changed structure information of the application database table with the structure information of the database table before the change; acquiring code file information needing to be updated and corresponding table structure information based on the comparison result; generating a new code file based on the code file information needing to be updated and the corresponding table structure information; and updating the application engineering persistence layer code based on the new code file. According to the method, the structural information of the application data table before and after being changed is analyzed and compared according to the characteristic of dependence of the persistent layer code and the database table information data, a new code file is generated according to the comparison result, the updating of the persistent layer code of the application project is completed, manual operation is not needed in the whole process, the development, updating and maintenance efficiency is effectively improved, and the labor cost is reduced.
Description
Technical Field
The present disclosure relates to the field of software development technologies, and in particular, to a persistent layer code updating method, a persistent layer code updating system, a terminal device, and a computer-readable storage medium.
Background
In order to meet various requirements of consumers, enterprises need to carry out a large amount of software development, in a three-layer architecture universal to a program framework, different software services of different enterprises are directly represented as different service layers and different presentation layers, but the operation databases of the persistence layers are basically the same, and the generation and the update of persistence layer codes play an important role in software development and maintenance.
In the current stage of application development and maintenance, when the requirement of an application database changes, a manual mode is usually adopted, the changed persistent layer code is directly modified or a new code is generated through a code generation tool, and the changed part is copied to modify the changed persistent layer code.
Disclosure of Invention
The present disclosure provides a method, a system, a terminal device and a computer readable storage medium for updating persistent layer codes, so as to at least solve the problems of low updating efficiency, high maintenance cost and the like of the current application development.
According to an aspect of the present disclosure, there is provided a persistent layer code updating method including:
comparing the changed structure information of the application database table with the structure information of the database table before the change to obtain a comparison result;
acquiring code file information needing to be updated and corresponding table structure information based on the comparison result;
generating a new code file based on the code file information needing to be updated and the corresponding table structure information; and the number of the first and second groups,
updating application engineering persistence layer code based on the new code file.
In one embodiment, before comparing the structure information of the application database table after the change with the structure information of the database table before the change, the method further comprises:
and continuously monitoring whether the structure information of the application database table is changed, and if so, acquiring the changed structure information of the application database table.
In one embodiment, the code file information needing to be updated includes a file name and a file path; the corresponding table structure information includes fields, types, descriptions, and primary keys of the table.
In one embodiment, generating a new code file based on the code file information to be updated and the corresponding table structure information includes:
matching a code file template for the code file information to be updated and the corresponding table structure information; and the number of the first and second groups,
and generating a new code file based on the code file template, the code file information needing to be updated and the corresponding table structure information.
In one embodiment, after generating a new code file based on the code file information to be updated and the corresponding table structure information, the method further includes:
and synchronizing the changed structure information of the application database table to a historical database.
According to another aspect of the present disclosure, there is provided a persistent layer code update system including:
the comparison module is used for comparing the changed structure information of the application database table with the structure information of the database table before the change to obtain a comparison result;
an obtaining module configured to obtain, based on the comparison result, code file information to be updated and corresponding table structure information;
a generating module configured to generate a new code file based on the code file information to be updated and the corresponding table structure information; and the number of the first and second groups,
an update module configured to update the application engineering persistence layer code based on the new code file.
In one embodiment, the system further comprises:
the monitoring module is arranged for continuously monitoring whether the structure information of the application database table is changed before the comparison module compares the structure information of the application database table;
the acquisition module is further configured to acquire the changed structure information of the application database table when the monitoring module monitors that the change occurs.
In one embodiment, the code file information needing to be updated includes a file name and a file path; the corresponding table structure information includes fields, types, descriptions, and primary keys of the table.
According to still another aspect of the present disclosure, there is provided a terminal device including a memory and a processor, the memory having a computer program stored therein, the processor executing the persistent layer code updating method when the processor executes the computer program stored in the memory.
According to yet another aspect of the present disclosure, there is provided a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, the processor performs the method for persistent layer code update.
According to the persistent layer code updating method, the persistent layer code updating system, the terminal device and the computer readable storage medium, a comparison result is obtained by comparing the changed structure information of the application database table with the structure information of the database table before the change; acquiring code file information needing to be updated and corresponding table structure information based on the comparison result; generating a new code file based on the code file information needing to be updated and the corresponding table structure information; and updating the application engineering persistence layer code based on the new code file. According to the method, aiming at the characteristic of dependence of persistent layer codes and database table information data, the structural information of the application data table before and after being changed is analyzed and compared, a new code file is generated according to a comparison result, then the persistent layer codes of the application project are updated, manual operation is not needed in the whole process, the development, updating and maintenance efficiency is effectively improved, and the labor cost is reduced.
Additional features and advantages of the disclosure will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the disclosure. The objectives and other advantages of the disclosure may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosed embodiments and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the example serve to explain the principles of the disclosure and not to limit the disclosure.
Fig. 1 is a schematic flowchart of a persistent layer code updating method according to an embodiment of the present disclosure;
FIG. 2 is a schematic flowchart of step S103 in FIG. 1;
FIG. 3 is a schematic structural diagram of a persistent layer code update system according to an embodiment of the present disclosure;
fig. 4 is a second schematic structural diagram of a persistent layer code updating system according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, specific embodiments of the present disclosure are described below in detail with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
It should be noted that the terms "first," "second," and the like in the description and claims of the present disclosure and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order; also, the embodiments and features of the embodiments in the present disclosure may be arbitrarily combined with each other without conflict.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for the convenience of explanation of the present disclosure, and have no specific meaning in themselves. Thus, "module", "component" or "unit" may be used mixedly.
Most application software is developed by taking data as a center and performing basic functions such as increasing, deleting, modifying and checking on the data to realize the development of services, the data is the core of the software, and the application database table structure and the conventional database operation account for most of the development work in the development process. However, in the current stage of application development and maintenance, when the requirements of the application database change, a manual mode is usually adopted, the changed persistent layer codes are directly analyzed and modified or new codes are generated through a code generation tool, and the changed parts are copied and modified, so that the mode cannot be developed and updated timely in the aspect of efficiency, and the cost of development and maintenance is increased by manual investment.
It is to be understood that data persistence is a generic term for converting a data model in memory to a storage model and vice versa. For example, storage of files, reading of data, and the like are data persistence operations. The data model may be any data structure or object model, XML, binary stream, etc. When the application program is written to operate the database, the operation of adding, deleting, modifying and checking the table data is the operation of data persistence.
To solve the above problem, the embodiment of the present disclosure provides a persistent layer code updating method, as shown in fig. 1, the method includes steps S101 to S104.
In step S101, the changed application database table structure information is compared with the database table structure information before the change, so as to obtain a comparison result.
Specifically, when the application database generates a change demand, structural information data of the application database table before and after the change is analyzed and compared, the influence range of the structural information of the application database table after the change corresponding to the application engineering code is judged, the analysis result comprises the table(s) and the field(s) information which are changed in an adding and deleting manner, and the code files of the application engineering code and the corresponding table structural information need to be updated according to the changed table and the field information. It is understood that the application database table structure information is application database table structure information of the application project.
In this embodiment, the application database table structure information is stored in the application database and synchronized to the historical database, and when the application database table structure information in the application database is changed, the changed application database table structure information is obtained from the application database and the database table structure information before being changed is obtained from the historical database.
In order to improve the code updating efficiency, in one embodiment, the method continuously monitors the change condition of the application database table structure information to obtain the changed application database table structure information in time, and specifically, before comparing the changed application database table structure information with the database table structure information before changing (step S101), further includes the following steps:
and continuously monitoring whether the structure information of the application database table is changed, and if so, acquiring the changed structure information of the application database table.
Specifically, when an enterprise generates an application database change demand, the enterprise changes the application database (for example, addition, deletion, modification and check), the system can acquire the changed structure information of the application database table in time by continuously monitoring the change condition of the application database, further analyze and acquire the specific change content of the structure information of the application database table, and then update the persistent layer code according to the characteristic of data dependency of the application persistent layer code and the database table structure information.
In step S102, code file information to be updated and corresponding table structure information are acquired based on the comparison result.
In step S103, a new code file is generated based on the code file information to be updated and the corresponding table structure information.
In this embodiment, a database table field is added, deleted and modified, a persistent layer of an application uses a Mybatis framework as an example, assuming that an a table changes, the data entity class of an application engineering code corresponding to the a table and an SQL (Structured Query Language) mapping file and the like both need to be updated, an update scheme is arranged for (application engineering) code file information to be updated and corresponding database table structure information data, and then a new code file is generated according to the update scheme.
It is understood that the MyBatis framework is an open source data persistence layer framework. The inside of the system is packaged with the operation of accessing the database through JDBC, supports common SQL query, stored procedures and high-level mapping, and almost eliminates the manual setting of all JDBC codes and parameters and the retrieval of a result set. MyBatis is used as a persistent layer framework, and the main idea is to strip a large number of SQL sentences in a program and configure the SQL sentences in a configuration file to realize flexible configuration of SQL. The advantage of this is that SQL is separated from program code, and can be modified directly in the configuration file without modifying the code.
The code file information needing to be updated comprises a file name and a file path; the corresponding table structure information includes fields, types, descriptions, and primary keys of the table.
In one embodiment, the code file is generated according to the code file template and the corresponding database table structure information, the generation efficiency of the code file is improved, and a new code file is generated based on the code file information needing to be updated and the corresponding table structure information (step S103), as shown in fig. 2, including step S103a and step S103 b.
In step S103a, matching a code file template for the code file information to be updated and the corresponding table structure information; and the number of the first and second groups,
in step S103b, a new code file is generated based on the code file template, the code file information to be updated, and the corresponding table structure information.
In step S104, the application project persistence layer code is updated based on the new code file.
Specifically, the newly generated application code file is used for updating the application project persistence layer code according to the file name and the file path in the updating scheme content.
Further, by synchronizing the changed structure information of the application database table to the historical database, when a database change demand is generated again, the change information can be quickly obtained according to the last table structure information, and after a new code file is generated based on the code file information to be updated and the corresponding table structure information (step S103), the method further includes the following steps:
and synchronizing the changed structure information of the application database table to a historical database.
Based on the same technical concept, the embodiment of the present disclosure correspondingly provides a persistent layer code updating system, as shown in fig. 3, the system includes a comparison module 31, an obtaining module 32, a generating module 33, and an updating module 34, wherein,
the comparison module 31 is configured to compare the changed structure information of the application database table with the structure information of the database table before the change, so as to obtain a comparison result;
the obtaining module 32 is configured to obtain the code file information to be updated and the corresponding table structure information based on the comparison result;
the generating module 33 is configured to generate a new code file based on the code file information to be updated and the corresponding table structure information; and the number of the first and second groups,
the update module 34 configured to update the application engineering persistence code based on the new code file.
In one embodiment, the system further comprises:
a monitoring module configured to continuously monitor whether the structure information of the application database table is changed before the comparison module 31 performs the comparison;
the obtaining module 32 is further configured to obtain the changed structure information of the application database table when the monitoring module monitors that the change occurs.
In one embodiment, the code file information needing to be updated includes a file name and a file path; the corresponding table structure information includes fields, types, descriptions, and primary keys of the table.
In one embodiment, the generating module 33 includes:
a matching unit configured to match a code file template for the code file information to be updated and corresponding table structure information; and the number of the first and second groups,
a generating unit configured to generate a new code file based on the code file template, the code file information to be updated, and the corresponding table structure information.
In one embodiment, the method further comprises:
and the synchronization module is arranged for synchronizing the changed structure information of the application database table to the historical database after the generation module generates the new code file.
For convenience of understanding, referring to fig. 4, fig. 4 is a second schematic structural diagram of a persistent layer code updating system provided by an embodiment of the present disclosure, where the system includes:
the application database 41 is used for storing database table structure information of the application engineering, can realize change operation and obtains changed database table structure information;
a history database 42 for storing database table structure information synchronized with the application engineering code;
a notification module 43 (corresponding to the monitoring module) for automatically notifying when the structure information of the application database table changes, then acquiring the structure information of the application database table in the application database 41 and the structure information of the history database table in the history database 42, and then reporting the acquired information to the analysis engine 44;
the analysis engine 44 (corresponding to the comparison module 31 and the acquisition module 32) is configured to analyze a difference between the application database table structure information and the historical data table structure information, determine an influence range on the application engineering code, sort out an application engineering code file that needs to be updated, and specifically, obtain, by performing comparison analysis on the table information data, which table(s) are specifically the table(s) and which field information(s) are changed in an incremental, subtractive and modified manner. Obtaining the code files of the application engineering codes according to the changed table, wherein the code files need to be updated (for example, if the A table is changed, the data entity class of the application engineering codes corresponding to the A table, the SQL mapping file and the like need to be updated), arranging and updating the file information (including file name, file path and the like) of the application engineering codes needing to be updated and the corresponding data base table structure information (including table field, type, description, main key and the like) data, and submitting the updating scheme to a code engine 45;
and the code engine 45 (corresponding to the generating module 33 and the updating module 34) is used for automatically generating the persistent layer code file, searching a matched code file template through the template engine 46 according to the updating scheme provided by the analysis engine, generating the code file, updating the generated code file to the application project code, and then updating the project persistent layer code of the newly generated application code file according to the file name and the file path in the scheme content.
In addition, after the above process is completed, the information data of the application database table needs to be synchronously updated in the historical database, so that the persistent layer code can be updated when the application database is updated next time.
And the template engine 46 generates a code file according to the matched code file template and the corresponding database table structure information.
And the template library 47 is used for storing the code file templates.
Based on the same technical concept, the embodiment of the present disclosure correspondingly provides a terminal device, as shown in fig. 5, including a memory 51 and a processor 52, where the memory 51 stores a computer program, and when the processor 52 runs the computer program stored in the memory 51, the processor 52 executes the persistent layer code updating method.
Based on the same technical concept, the embodiment of the present disclosure also provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the processor executes the persistent layer code updating method.
Compared with the prior art, when the application database requirement changes, the changed persistent layer code is directly modified or a new code is generated through a code generation tool in a manual mode, and the changed part is copied to be modified; the embodiment of the disclosure updates the persistent layer code by monitoring the change of the application database table structure information, analyzing and comparing the application database table structure information before and after the change, acquiring the code file information to be updated and the corresponding table structure information according to the comparison result, generating a new code file, and then updating the persistent layer code of the application project.
It will be understood by those of ordinary skill in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present disclosure, and not for limiting the same; while the present disclosure has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present disclosure.
Claims (10)
1. A method for persistent layer code update, comprising:
comparing the changed structure information of the application database table with the structure information of the database table before the change to obtain a comparison result;
acquiring code file information needing to be updated and corresponding table structure information based on the comparison result;
generating a new code file based on the code file information needing to be updated and the corresponding table structure information; and the number of the first and second groups,
updating application engineering persistence layer code based on the new code file.
2. The method of claim 1, wherein prior to comparing the changed application database table structure information with the database table structure information before the change, further comprising:
and continuously monitoring whether the structure information of the application database table is changed, and if so, acquiring the changed structure information of the application database table.
3. The method according to claim 1 or 2, wherein the code file information needing to be updated comprises a file name and a file path; the corresponding table structure information includes fields, types, descriptions, and primary keys of the table.
4. The method of claim 1, wherein generating a new code file based on the code file information to be updated and corresponding table structure information comprises:
matching a code file template for the code file information to be updated and the corresponding table structure information; and the number of the first and second groups,
and generating a new code file based on the code file template, the code file information needing to be updated and the corresponding table structure information.
5. The method of claim 1, further comprising, after generating a new code file based on the code file information to be updated and corresponding table structure information:
and synchronizing the changed structure information of the application database table to a historical database.
6. A persistence layer code update system, comprising:
the comparison module is used for comparing the changed structure information of the application database table with the structure information of the database table before the change to obtain a comparison result;
an obtaining module configured to obtain, based on the comparison result, code file information to be updated and corresponding table structure information;
a generating module configured to generate a new code file based on the code file information to be updated and the corresponding table structure information; and the number of the first and second groups,
an update module configured to update the application engineering persistence layer code based on the new code file.
7. The system of claim 6, further comprising:
the monitoring module is arranged for continuously monitoring whether the structure information of the application database table is changed before the comparison module compares the structure information of the application database table;
the acquisition module is further configured to acquire the changed structure information of the application database table when the monitoring module monitors that the change occurs.
8. The system according to claim 6 or 7, wherein the code file information needing to be updated comprises a file name and a file path; the corresponding table structure information includes fields, types, descriptions, and primary keys of the table.
9. A terminal device comprising a memory and a processor, the memory having stored therein a computer program, the processor executing the persistent layer code updating method according to any one of claims 1 to 5 when the processor executes the computer program stored in the memory.
10. A computer-readable storage medium, on which a computer program is stored which, when executed by a processor, performs a method of persistent-layer code update according to any of claims 1 to 5.
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