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Encapsulate output results: MyBatis executes sql statements to get ResultSet, which is converted into java objects Here we have two, resultType and resultMap 1.resultType resultType attribute: used when executing select and appears as the attribute of the tag. resultType: execute sql to get the type of ResultSet conversion, using the fully ...

MyBatis profile Master profile There are two categories of mybatis configuration files: 1. Main configuration file 2.mapper file mybatis.xml used in the previous project is the main configuration file. Master configuration file: provides global settings for mybatis, including log, data source, mapper file location, etc. Mapper file: write s ...

Catalog1. Traditional methods1.1 Source Profiling-Initialization1.2 InitializationIntroduction to the 1.2.1 Configuration objectIntroduction to 1.2.2 MappedStatement2. Source Profiling-Executing SQL ProcessIntroduction to 2.1 SqlSession2.2 Introduction to ExecutorSource Profiling-executorSource Profiling-StatementHandler2. Mapper Agent MethodSo ...

Course objectives Build MyBatis development environmentComplete the operations of adding, deleting, modifying and querying a single table based on annotationsComplete the operations of adding, deleting, modifying and querying multiple tables based on annotationsComplete the operations of adding, deleting, modifying and querying a single table ...

This Mybatis Framework Learn Notes; Keep up with previous studies Mybatis Framework Learning Notes (2) - > Configuration to learn in the core configuration file of the mybatis framework Configuration (configuration) properties settings typeAliases (type alias) typeHandlers objectFactory (Object Factory) plugins environments (environmen ...

First mybatis program --> Configure mybatis (super-detailed, white can also be successfully configured) The purpose of this article is: Recently I was watching a mad video to learn mybatis, but there are still some minor errors in the video configuration that caused me to spend a lot of time looking for bug s. Take a note here and wish you ...

Preface: Hello, ladies and gentlemen, I'm running like a snail rz. Of course you can call me Snail Jun. I'm a beginner who has studied Java for more than half a year. At the same time, I have a great dream that I will become an excellent Java architect one day. This SpringBoot Basic Learning Series is used to record the entire process of le ...

catalogue 1, Overview of Mybatis operation process 2, Configure loaded core classes 2.1 three core classes of builder 3, Builder mode 3.1 what is the builder model 3.2 difference from factory mode 4, Introduction to Configuration object 1, Overview of Mybatis operation process In order to get familiar with the operation process of M ...

1. Official documents of mybatis Mybatis – MyBatis 3 | getting startedhttps://mybatis.org/mybatis-3/zh/getting-started.html 2. Why do you need Mybatis Simplify the traditional JDBC code and realize automatic mappingSimple and easy to useMost companies use itadvantage:Easy to learn: itself is small and simple. There is no third-party de ...

MyBatis Plus Domestic open source framework based on MyBatis The core function is to simplify the development of MyBatis and improve efficiency. MyBatis Plus quick start 1. Create a springboot project 2. Import the dependency of mybatisplus <dependency> <groupId>com.baomidou</groupId> <artifa ...