Programmer Think

1.mybaits interceptor Original design intention In order for users to implement their own logic at some time without moving the inherent logic of Mybatis. Through the Mybatis interceptor, we can intercept the calls of some methods. We can choose to add some logic before and after the execution of these intercepted methods, or we can execut ...

Introduction to MyBatis MyBatis is an excellent persistence layer framework that supports customized SQL, stored procedures, and advanced mapping. MyBatis avoids almost all JDBC code and manually setting parameters and getting result sets. MyBatis can use simple XML or annotations for configuration and original mapping, and map the inte ...

MyBatis has been used almost since I first learned programming. I haven't seen its source code. This time, I happened to study it. After reading the source code, I still got a lot of harvest. I specially sorted it out. If there are any problems, please point them outsummaryThe orm framework of MyBatis actually encapsulates JDBC. Friends who hav ...

Introduction to Mybatis 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 configure and map primitive types, interfaces and Java POJO s (Plain Old Java Object ...

prefaceIt is known that when using Mybatis, the configuration file Mybatis config. Will be read first XML is a character stream or byte stream, then SqlSessionFactory is built based on the character stream or byte stream of the configuration file through SqlSessionFactory builder, and then SqlSession is obtained through the openSession() method ...

Mybatis user manual (4 of 5, continuously updated), collection + attention, don't get lost, hope to be helpful to my friends~ The source code link is at the end of the text ↓↓ 1. Mybatis deferred loading policy 1.1 introduction to delayed loading Mybatis deferred loading is to load data only when it is needed. When it is no ...

1, Build environment Configure Maven.Spring boot integrates Redis.SpringBoot integrates Mybatis. The parent pom.xml file is as follows: <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven ...

catalogue 1. Spring boot simplifies Mybatis 1.1 project integration 1.1.1 create project 1.1.2 import jar package 1.1.3 delete redundant files 1.1.4 description of main startup exceptions 1.1.5 modify YML configuration file and pojo class   1.1.6 submit Mapper interface to container management   1.1.7 edit test class 2. Ba ...

typora-copy-images-to: img 1, Dao interface proxy implementation 1.1 introduction to agent development mode The agent development method of Mybatis is adopted to realize the development of DAO layer, which is the mainstream of entering the enterprise later. Mapper interface development method only requires programmers to write map ...

Mybatis usage steps Add requirements = = > add requirements in the xxxMapper interface = = > Add SQL according to requirements in xxxMapper.xml = = > register xxxMapper.xml in configuration XML = = > call according to requirements in controller XML <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE configuration ...