Introduction to Mybatis - add, delete, modify and query a single table based on configuration
Introduction to Mybatis
Use steps (all xml configurations have been configured)
Interface of DAO layer
Introduction to Mybatis
Posted by alexrait1 on Wed, 09 Mar 2022 14:14:25 +0100
MyBatis has built-in a powerful transactional query caching mechanism, which can be easily configured and customized.
By default, only local session caching is enabled, which only caches the data in one session. To enable the global L2 cache, you only need to add a line to the mapping file of SQL: <cache/>
Also known as ...
Posted by sebajom on Tue, 08 Mar 2022 22:44:48 +0100
1, Depth of Mybatis configuration file
Hierarchical relationship of Mybatis's core configuration file
Common configuration analysis of Mybatis
1. environments tab Database environment configuration, supporting multi environment configuration There are two types of transaction manager:
JDBC: this configuration direct ...
Posted by compt on Tue, 08 Mar 2022 20:53:15 +0100
1. Guide Package
Spring related packages
Spring MVC related (core related packages will be imported together)<!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc -->
Posted by mobtex on Tue, 08 Mar 2022 15:52:52 +0100
In the SpringBoot project, how to gracefully implement the encryption and decryption of sensitive fields by user-defined annotation + interceptor
We are often faced with manual encryption of some identity information or phone numbers, real names and other sensitive information, which is not only very bloated but also very elegant. There will ...
Posted by clarky08 on Mon, 07 Mar 2022 17:41:38 +0100
What is MyBatis?
MyBatis is the MyBatis SQL Mapper Framework for Java (sql)
MyBatis is an excellent persistence layer framework, which supports custom SQL, stored procedures and advanced mapping. MyBatis eliminates almost all JDBC code and the work of setting parameters and obtaining result sets. MyBatis can config ...
Posted by veveu on Mon, 07 Mar 2022 16:28:22 +0100
In depth Mybatis framework
After learning Spring, we have learned how to manage a class as a Bean by the IoC container, that is, now we can use the Mybatis framework in a more convenient way. We can directly hand over SqlSessionFactory and Mapper to Spring for management, and we can use them quickly by injection.
Therefore, we need to learn how ...
1, Project introduction
The main functions of the project are: select a class from the drop-down list, and click the query button to display the table displaying student information at the bottom of the page
As shown in the figure:
Main technologies used: three SSM frameworks, AJAX, jQuery, BootStrap, etc Project objective: to i ...
Posted by steveangelis on Sat, 05 Mar 2022 11:45:01 +0100
Here, the database connection pool, springmvc, mybatis and service are created separately, and then import is integrated into ApplicationContext xml
New projectGuide PackageCreate external file dB propertiesConfigure spring Dao xml: a. Associated database file b. Configure database source c. Configure bean sqlSessionFactory ...
Posted by Revlet on Sat, 05 Mar 2022 10:06:06 +0100