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Using fluent mybatis, you can construct complex business sql statements through java api without writing specific xml files, so as to achieve the integration of code logic and sql logic. It is no longer necessary to assemble query or update operations in Dao, and reassemble parameters in xml or mapper. Compared with native Mybatis, Mybatis Plu ...

1. Overview of Mybatis 1.1 Mybatis concepts MyBatis was originally an open source project for apache, iBatis, which was migrated to google code by apache software foundation in 2010 and renamed MyBatis. Migrated to Github in November 2013. The term iBATIS, derived from a combination of "internet" and "abatis", is a per ...

Basic Additions and Deletions Check (CRUD) 01: Paging & Optimistic Lock & Default Insert Basic Additions and Deletions Check (CRUD)01 Base Additions and Deletions Check (CRUD)02 Basic Additions and Deletions Check (CRUD)03 Preface Tip 1: Indirect hesitation, persistent mixing and waiting to die!!! Not desirable or not Tip 2: ...

[TOC] environment It's not easy to go back to the Java series! IDEA 2020.2 Maven 3.6x Window 10 PHP study (providing service environment in Windows (mysql5.7)) reference resources: https://mybatis.org/mybatis-3/zh/getting-started.html (official documents) Video: station B crazy God No one is a natural master. Only continuous inner scro ...

set up a database create database 'mybatis' use 'mybatis'; create table 'user'( 'id' int(20) not null primary key, 'name' varchar(30) default null, 'pwd' varchar(30) default null )engine = innodb default charset= utf-8; insert into 'user'('id','name','pwd') values (1,'Mad God','123456'), (2,'Mad God','123456'), (3,'Mad God','123456'); // ...

SpringBoot - Dao integrates MybatisPlus In this section, learn how to integrate MybatisPlus with SpringBoot. 1. Introduction to mybatisplus MyBatis plus (MP for short) is an enhancement tool for MyBatis. On the basis of MyBatis, it only makes enhancements and does not change. It is born to simplify development and improve efficiency. Myba ...

Hello, I'm the elder brother of Chinese menong green tea. Welcome to my personal WeChat official account: 8 Kangyuan road! Mybatis-demo 1. Explanation of professional terms 1.1 Dao Dao layer is called data access layer and persistence layer, and its full name is Data access object. It is a kind of bottom-level and basic operation. It is sp ...

The persistence layer framework used before is Mybatis. Now Mybatis framework is integrated into Spring framework and managed by Spring. Its core idea is to store the implementation class objects corresponding to Mapper in IOC container Overall idea: 1. Build the Mybatis framework in the original way 2. Build the Spring framework in the ...

8.1 L1 cache MyBatis has built-in a powerful transactional query caching mechanism, which can be easily configured and customized. By default, only the local session cache, i.e. L1 cache, is enabled. It only caches the data in a session, i.e. an sqlsession. Cache invalidation: Query different things Adding, deleting and modifying may chan ...

1. Mybatis operation 1.1 fuzzy query 1.1.1 edit test class /* Mybatis Job: Requirement: query the data containing "fine" in name, and arrange it in descending order by age */ @Test public void findLike(){ SqlSession sqlSession = sqlSessionFactory.openSession(true); DemoUserMapper dem ...