Programmer Group

IoC What is IoC? IoC is the abbreviation of inversion of control. Note that it is a technical idea. It describes the creation and management of objects. Traditional development methods: for example, if class a depends on class B, it often creates a new object of class B in class A.IoC development method: we don't need to go to the new object ...

Spring/Spring MVC/MyBatis(SSM) integration configuration process Usage of mybatis plus agile development plug-in Main knowledge points SSM consolidation configuration Mybatis plus configuration and Application SSM consolidation configuration Manage the third-party framework objects through the Spring IoC container, so that multiple framew ...

catalogue preface Spring Boot version What is an interceptor? How to customize an interceptor? How to make it work in Spring Boot? Take a chestnut thinking According to what judgment, this interface has been requested? Where is this specific information stored? How? summary preface The last article talked about the basic conten ...

One to one relationship mapping annotation @ OneToOne application in SpringData JPA Spring Data JPA has one-to-one, one to many, many to many and other relationship mapping. This time, we mainly study one-to-one relationship mapping. One to one relationship mapping is very common in life. For example, a college student has only one all-in-one ...

Write in front: the proxy mode can add new functions without changing the originally written function classes. The difficulty of dynamic agent lies in the implementation of reflection mechanism, so it is necessary to understand the reflection mechanism. catalogue 1. Introduction to agency model 1.1 role of using agent mode 1.2 ways to imple ...

Life cycle of bean sCircular DependencyLevel 3 Cachefactorybena and benafactoeyDifferences between appliaationcontext and beanfactoryioc container   bean - Data Structure - map - Level 3 Cache IOC container context.getBean() - When to call How to create a bean - factory, reflection - configuration file (xml) in a container Introduction t ...

1 Overview Spring Cloud is based on Spring Boot, which provides several components to help enterprises build micro-service systems. The main functions it provides are: Service Registry/Service Registration/Service Call/Load Balancing/Circuit Breaker, etc. Generally, it uses the existing open source software, which is based on the concept of Spr ...

Spring learning is coming to an end~~~~~~~~~ 👉 spring-web 👉 Complete the student registration function. Steps: New mavenModify pom.xml: dependencies other than spring and mybatis, servlet and jsp dependenciesCreate entity class Student, corresponding to Student2 tableCreate dao interface and mapper fileCreate mybatis master profileCrea ...

preface There are two configuration injections in the configuration center, one is before startup, and the other is dynamic configuration after configuration changes. This article mainly summarizes the pre startup configuration injection spring environment. Pre knowledge spring configuration will store the configuration in the PropertySo ...

RBAC (Role-Based Access Control) means that users are associated with permissions through roles. In short, a user has several roles, and each role has several permissions. In this way, the authorization model of "user role permission" is constructed. In this model, the relationship between users and roles and between roles and permiss ...