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Catalog Article Directory Preface 1.Level 1 Cache 1.1.What is a Level 1 Cache 1.2.Test 1-Same SqlSession 1.3. Test 2-Different SqlSession 1.4.Test 3 - Refresh Cache 1.5.summary 2.Secondary Cache 2.1.What is a secondary cache 2.2.Configure Secondary Cache 2.2.1.Global Switch 2.2.2.Separate off 2.2.3.Code Configuration 2.2.4.Detail ...

Mybatis Required environmentreviewJDK1.8JDBCMysql5.7/8.0Mysqlmaven3.6.1MavenIDEAJunit SSM (Spring + SpringMvc + Mybatis) framework: related to configuration files. The best way to learn: official documents. 1, Introduction 1.1. What is Mybatis MyBatis is an excellent persistence layer framework.It supports custom SQL, stored procedure ...

1. Will Mybatis reverse engineering of mybatis learning 11 Copy the com.pp.maper and com.pp.pojo files generated in to spring_ Under the src/main/java file of mybatis 2. Spring_ The mapper point in the applicationContext.xml file in mybatis is changed to com.pp.mapper point to the mapper abstract class under the java file <?xml version="1. ...

🌈 I'm lucky to meet you. I'm Xiao Xiang. Have a big factory dream, work hard! Come on, stranger! 🌈 ☁️ This article is the notes and experience of learning Mybatis from the crazy God of station B. if it is useful to you, thank you for your praise. The article inevitably has shortcomings. Please point out that I will correct it in time! T ...

catalogue Article catalog preface 1, Create Maven project 2, POM configuration 1. Configure JDK version and encoding method 2. Set resource file path   3. Add dependency 4. All of POM documents 3, Initialization data   4, Configure mybatis-config.xml 5, Configure config.properties 6, Configure log4j.properties 7, Create t ...

1. Introduction Environmental description: jdk 8 + MySQL 5.7.19 maven-3.6.1 IDEA Before learning, you need to master: JDBC MySQL Java Foundation Maven Junit What is MyBatis MyBatis is an excellent persistence layer framework MyBatis avoids almost all JDBC code and the process of manually setting parameters and obtaining result set ...

1. Introduction 1.1. What is Mybatis MyBatis is an excellent persistence layer frameworkIt supports custom SQL, stored procedures, and advanced mapping.MyBatis eliminates almost all JDBC code and the work of setting parameters and obtaining result setsMyBatis can configure and map primitive types, interfaces and Java POJO s (Plain Old Jav ...

Chapter 1 MybatisPlus quick start 1. MybatisPlus overview MybatisPlus: an enhanced toolkit for Mybatis MybatisPlus official website: https://mybatis.plus/ or https://mp.baomidou.com/ MyBatis plus (MP for short) is an enhancement tool of MyBatis. On the basis of MyBatis, it is only enhanced without change. It is born to simplify development ...

1. What is the difference between synchronous and asynchronous? Synchronization means that when a function call is issued, the call will not return or continue to perform subsequent operations until the result is obtained. Asynchrony is relative to synchronization. When an asynchronous procedure call is issued, the caller can proceed with sub ...

The wrapper is used. Sort out the data and record it for subsequent review. Directory ------------ (you can click the corresponding directory to jump directly) 1, Introduction to conditional constructor relationship Introduction to conditional constructor relationship: Introduction to wapper: 2, Project instance 1. Query according to the ...