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Note: mybatis plus is configured with multiple data sources. After adding transactions, the data source switching fails1, Scene descriptionFor multiple data sources used in the project, Impl has a method: MethodA.@Service @AllArgsConstructor @DS("tableA") public class XXXXServiceImpl extends ServiceImpl<XXXXMapper, XXXX> implements XXXXSe ...

preface After consulting the official documents of mybatis plus, I found that there were only a few words and no examples for multi table joint query. I had to figure out how to use mybatis plus for multi table joint query. The way of using xml is too redundant, so after checking the use of annotations, we decisively choose to use annotations. ...

MyBatisPlus overview Required Foundation: MyBatis, Spring, Spring MVC Why learn it? MyBatisPlus can save us a lot of working time, and all CRUD codes can be completed automatically! JPA,tk-mapper,MyBatisPlus Lazy! brief introduction What is it? MyBatis is meant to simplify JDBC operations! Official website: Introduction | mybatis plus (B ...

1. User module management 1.1 Paging Query Using MP 1.1.1 Edit UserController 1.1.2 Edit UserService /** * Paging Query by MP * API Description: selectPage(arg1,arg2) * arg1: MP Fixed Paging Objects in * arg2: MP Conditional constructors in paging * @param pageResult * @return * ...

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spring boot project integrates mybatis plus to adapt multiple data sources + reflection to obtain annotation data Many times, our projects may not use a database or a type of database. According to the business, we can be divided into the following types: single database, single data source, multi database, single data source, multi database, ...

preface Mybatis plus (MP for short) is an enhanced tool for Mybatis to simplify development and improve efficiency. Mybatis has all of them. It is based on Mybatis: it only makes enhancements without changes, and has powerful functions and is very easy to use (strongly recommended) This tutorial will try to simulate the use of real developm ...

         Mybatis plus (MP) is an enhancement tool for mybatis, so how is it enhanced? In fact, it has encapsulated some crud methods, so there is no need to write xml for development. Just call these methods directly, which is similar to JPA. The structure diagram of mybatis plus is as follows: Entry cla ...