What are the mybatis plug-ins?

Mybatis plug-ins include: 1. MyBatis general Mapper plug-in; 2. MyBatis Plus plug-in; 3. Code generation plug-in mybatis-generator; 4. MyBatis paging plug-in; 5. MyBatis global general operation plug-in; 6. MyBatis performance Analysis plug-in; 7. MyBatis log plug-in; 8. MyBatis connection pool plug-in. Using the MyBatis plug-in can greatly simplify the development process and improve development efficiency.

The operating system for this tutorial: Windows 10 system, DELL G3 computer.

MyBatis plug-in is a plug-in used to extend the functions of MyBatis. It can intercept the execution process of MyBatis's core components and enhance or modify its behavior. MyBatis plug-ins are usually intercepted based on the four major components of MyBatis (Executor, StatementHandler, ParameterHandler, ResultSetHandler), and use the JDK dynamic proxy mechanism to create proxy objects for the implementation classes of these interfaces.

The following are common MyBatis plug-ins:

1. MyBatis universal Mapper plug-in: This is a plug-in used to simplify MyBatis operations, and it provides some practical methods , such as paging queries, automatic mapping result sets, etc. By using this plug-in, you can reduce the workload of manually writing repetitive codes and improve development efficiency.

2. MyBatis Plus plug-in: MyBatis Plus is an enhancement tool that only does addition based on MyBatis, and can replace MyBatis in the project. It provides many practical functions, such as conditional constructors, paging plug-ins, performance analysis plug-ins, etc. Among them, the paging plug-in can help developers quickly implement physical paging, and the performance analysis plug-in can output Sql statements and their execution times, helping to solve the problem of slow queries.

3. Code generation plug-in mybatis-generator: mybatis-generator is a plug-in that automatically generates the code required for MyBatis execution for database tables. It can generate Mapper.java, Mapper.xml, POJO and other code files, thereby reducing the workload of manual coding. mybatis-generator has three usages: command line, eclipse plug-in, and maven plug-in. Among them, the maven plug-in method is more common.

4. MyBatis paging plug-in: This plug-in can help developers quickly implement physical paging. After configuring the plug-in, writing paging is equivalent to writing a basic List query. It is based on MyBatis physical paging, and developers do not need to care about specific operations.

5. MyBatis global universal operation plug-in: This plug-in supports global universal method injection and realizes the feature of Write once, use anywhere. It provides a series of common methods for projects, reducing the writing of repeated code and improving development efficiency.

6. MyBatis performance analysis plug-in: This plug-in can output Sql statements and their execution time, which helps solve the problem of slow queries. Through this plug-in, developers can easily analyze query performance, find out the reasons for slow queries, and optimize them.

7. MyBatis log plug-in: This plug-in provides detailed logging functions, which can help developers better track and debug programs. Through this plug-in, developers can view the execution of each SQL statement to better understand the running status of the program.

8. MyBatis connection pool plug-in: This plug-in provides a configurable database connection pool, which can effectively manage database connections and improve program performance and stability. Through this plug-in, developers can easily configure connection pool parameters to meet the needs of different projects.

Using the MyBatis plug-in can greatly simplify the development process and improve development efficiency. Developers can choose appropriate plug-ins according to project needs, and configure and customize them to achieve the best development results. At the same time, since the MyBatis plug-in is essentially an interceptor, you need to pay attention to avoid problems such as loop interception when using it to ensure the correctness and stability of the program.

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