What is the basic working principle of MyBatis?

MyBatis is a persistence layer framework, and its basic working principle is as follows:

1. Configuration: Initially, developers are required to create a MyBatis configuration file that includes database connection details, mapping file paths, and other configurations.
2. Mapping file: Developers need to write mapping files to define SQL statements and result mapping rules. The mapping file contains information such as SQL statements, parameter mapping, and result mapping.
3. The database connection is established by MyBatis based on the database connection information in the configuration file.
4. SQL parsing and execution: When an application calls MyBatis API to execute SQL, MyBatis parses the SQL statements defined in the mapping file and passes the parameters to the database for execution.
5. Result Mapping: After the database executes the SQL, MyBatis will map the results to the specified object and return it to the application.
6. Transaction Management: Mybatis supports transaction management, which allows for the management of transaction commits and rollbacks based on the transaction manager specified in the configuration file.

Overall, the basic principle of MyBatis is to define SQL statements and result mapping rules through configuration files and mapping files, then pass the SQL statements to the database for execution and map the results to Java objects. This allows developers to interact with the database through simple API calls while also benefitting from features such as transaction management provided by MyBatis.