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Transaction introduction The previous article introduced spring AOP. Spring transaction is a typical application of spring AOP. Transaction is the database transaction, which means that the reading and writing of data in the same batch are either all successful or all failed to ensure the consistency of data. It is the core function of th ...

The last two articles talked about two ways to divide databases and tables. These two ways can be summarized into one type, which are to divide data in the form of configuration. In this article, we continue to explain a new way to slice data. In addition to the form of configuration, sharding JDBC also supports self-defined rules through code. ...

What is an agent Proxy is a design pattern that provides another way to access the target object, that is, to access the target object through a proxy. Advantages: you can extend the functions of the target object without modifying the functions of the target object. *. (extend the function of the target object). Static proxy: introduce S ...

I. Introduction to SSM framework SSM framework is the acronym of Spring + Spring MVC + MyBatis. It is the mainstream Java EE enterprise framework after inheriting SSH. It is suitable for building various large-scale enterprise application systems. As shown in the figure: 1, What is Spring Spring is an open source framework. It is a ligh ...

Several ways of injecting components In Spring, there are four ways to inject components into containers: Package scanning + Component annotation (@ Controller,@Service, @Repository, @Component) @Bean annotation implementation @Import annotation implementation Use FactoryBean provided by Spring Let's talk about the above four ways in detail. ...

The book follows the above two points that I am interested in IoC are How does IoC get bean information and manage beans IoC prides itself on dependency injection How does IoC solve circular dependency (yes, it's entirely because it's said on the Internet that interviewers love to ask questions) Now that the first problem has been solved, let ...

SpringMVC Translation of Chinese documents: https://github.com/DocsHome/spring-docs/blob/master/pages/web/overview.md Search GitHub for spring docs Introduction to Spring MVC Spring MVC is a part of spring framework. It is a lightweight web framework based on Java implementation. The core of spring MVC The core of learning Spring MV ...

See for complete project code https://codechina.csdn.net/dreaming_coder/mybatis-spring 1. Introduction In the past, when using Spring to integrate Mybatis, the Mapper interface should be added to Spring in the following way: <bean id="userMapper" class="org.mybatis.spring.mapper.MapperFactoryBean"> <property name="mapperInterfac ...

Morning: About the role of tags: declare the scope of jar junit's dependency, if only used in testing, is not used in the main program Add < scope > test < / scope > Scope of maven dependency: The previous Maven command: mvn install: install to the local warehouse (previously set the location to change the. M2 path) mvn dep ...

All along, people who play springcloud are basically playing springboot1 x. Many related components of spring cloud (Dalston version) are used for configuration center, service registration and discovery. The gateway uses LB made by Netflix for springboot, etc., but these things are too heavy and complex. In a k8s based iaas service system, it ...