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Common annotations in Spring are as follows.     1)@Component      This annotation can be used to describe beans in Spring, but it is a generalized concept that represents only one component (Bean) and can act at any level. When using, you only need to mark the annotation on the corresponding class.      ...

Catalog Resolution of Spring Boot 2.0.0 Upgrade to 2.4.1 Circular Dependency describe Analysis First Cause Second Cause Third-tier Reason Layer 4 Reasons Layer Five Reasons Layer Six Reasons Layer 7 Reasons Final cause Solution Comparing Relevant Versions Spring Boot 2.0.0.release + Druid 1.19 Spring Boot 2.4.1 + Druid 1.19 Spri ...

There are many ways to read configuration files in springboot, which I will not describe here; Background: there is a redis tool class in the common of the project. Because many modules use redisconfig, you don't want to write a redisconfig in each module, and the tool class is used. It is used in the way of static loading, but if you use the ...

Spring security < < V > authentication – account / email / mobile number + password Basic environment of local project environmenteditionjdk1.8.0_201maven3.6.0Spring-boot2.3.3.RELEASE 1. Introduction spring security is a framework providing authentication, authorization and preventing common attacks. It has first-class sup ...

springboot-dubbo First, create a simple maven project It stores entity classes and service classes Entity class to inherit Serializable Entity classes can introduce lombok and rely on an @ Data annotation <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> < ...

Original website: Other web sites Shiro instance series Shiro -- instance -- springboot_ CSDN blogShiro -- instance -- springboot -- Shiro redis_ CSDN blogShiro -- instance -- springboot -- JWT_ CSDN blog (this article) Reference website shiro+jwt+springboot integration_ q89757316 blog - CSDN blogSuper detailed! 4 hours to develop ...

Preliminary study on principle pom.xml Parent dependency It mainly depends on a parent project, which mainly manages the resource filtering and plug-ins of the project! <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.2.5.RELE ...

Spring Boot data access Spring Boot data access overview Spring Data is an open source framework provided by spring to simplify database access and support cloud services. It is an umbrella project, which contains a large number of data access solutions for relational and non relational databases. Its design purpose is to enable us to use var ...

SA token introduction: SA token is a lightweight Java permission authentication framework, which mainly solves a series of permission related problems, such as login authentication, permission authentication, Session session, single sign on, OAuth2.0, micro service gateway authentication and so on. Today, we mainly introduce annotation authen ...

9.Zull Routing Gateway Summary What is zuul? Zull contains two main functions: routing the request (for jumping) and filtering: (The routing function is responsible for forwarding external requests to specific micro-service instances, which is the basis for achieving a unified entry for external access, while the filter function is re ...