Solution: the transaction is added above the mybatis plus multi data source method, and the data source switching fails

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 ...

Posted by twister47 on Thu, 10 Mar 2022 03:42:50 +0100

Multi table joint query based on mybatis plus in springboot (implemented without xml annotation)

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. ...

Posted by nmarisco on Fri, 11 Feb 2022 10:20:56 +0100

MyBatisPlus official + mad God

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 ...

Posted by drorshem on Thu, 20 Jan 2022 16:38:21 +0100

Three Stages of Java Learning - Day13

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 * ...

Posted by ddemore on Thu, 20 Jan 2022 05:20:55 +0100

Mybatis plus - automatic code generator

📢📢📢📣📣📣 Hello! Hello, everyone. I'm [one heart classmate], a highly motivated [Java domain blogger]! 😜😜😜 ✨ Writing style of [one heart students]: I like to explain every knowledge point in [easy to understand] style, rather than using [tall and tall] official statement. ✨ The field of the blog is the learning of back-end technology, and ...

Posted by blueguitar on Mon, 17 Jan 2022 22:47:27 +0100

spring boot project integrates mybatis plus to adapt multiple data sources + reflection to obtain annotation data

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, ...

Posted by excl209 on Thu, 13 Jan 2022 21:15:31 +0100

Detailed integration of SpringBoot and mybatis plus and the most commonly used practical tutorials (get started quickly)

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 ...

Posted by cshinteractive on Tue, 21 Dec 2021 03:13:16 +0100

Principle of Mybatis Plus dynamic SQL generation

         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 ...

Posted by servo on Mon, 06 Dec 2021 03:23:46 +0100