Programmer Think

Dynamic switching of data sources on the Internet can not meet my current application, and switching back and forth will cause performance problems and crash. And it's not a good way to switch notes on a certain method. So think about it at the top level. Here is my configuration: Initializing multiple spring-mybatis.xml files i ...

Spring boot integrates Shiro and simple implementation Create a SpringBoot project Add dependency Configure Shiro (key) Configure login logic Configuration authorization Create a SpringBoot project Create a little Add dependency 1. Add thymeleaf <!-- thymeleaf Dependent dependence --> <dependency> <g ...

Things about MyBatis The concept of things In the framework of Java language database, the transaction management of database is very important. Each business logic is completed by a series of database accesses, which may modify multiple data records. This series of modifications should be a whole, and it is absolutely not allowed to modify onl ...

MybatisGenerator extension: Custom comment generator I believe you have a certain understanding of the mybatisgenerator. I love and hate it. The code generated by the mybatisgenerator plug-in will generate comments, which are all useless to us. Although it can prevent the generation of comments, it is not good to have no comme ...

Analyzing how Mybatis integrates into the framework using Spring's extension points, Mybatis's own extension points are no longer covered in this analysis Build environment Upload Github https://github.com/mybatis/spring .After several unsuccessful attempts through Git, the zip package was directly downloaded and imported into Idea. The imp ...

Overall project structure bean code package bean; public class Apply { private long id; private String sname; private String qq; private long enterTime; private String type; private String school; private long number; private String repLink; private String goal; @Override public String toString() { ...

About the configuration of multiple data sources, I have introduced the configuration of multiple data sources of JdbcTemplate with you. That is relatively simple. This article will talk about the configuration of multiple data sources of MyBatis with you. In fact, as for multi data sources, my attitude is the same as before. For complex data s ...

In Chapter 1, we learned that the core configuration class of mybatis is org.apache.ibatis.session.Configuration.java Let's first look at the class diagram of Configuration.java Seeing the class diagram, I was stunned. There are too many properties However, considering that mybatis has such powerful functions and so m ...

Preface Above How Mybatis's method maps to XML This article describes how Mybatis maps method names to statementID s for method splitting, how parameters are parsed into sql in xml, and how return types are handled; it will look at how methods are mapped from the XML side. XML Mapping Class In the previous two articles, you learned that the ...

In autumn, there is no sun in Beijing as always. It is not clear whether the sky is cloud or fog or what strange things are. Buildings are black and white to prove their own outlines. I can't see the edge in a foggy day, just like I need to use Spring Data Jpa to implement a very small SQL. I can't see the effect I want when I write it. The SQL ...