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Recently, I watched a lot of spring boot teaching videos. I felt they were too long, and there was no actual combat of the project. Today, according to a blogger to write a simple user system to add, delete, modify and check, the source code can refer to the second issue of the article. This project use ...

Before I start, let me ask you a question: we now have an Employee class. @Data @AllArgsConstructor public class Employee { private Integer id; private Integer age; //Age private String gender; //Gender private String firstName; private String lastName; } Do you know how to sort a List set of Employee objects in reverse or ...

typora-copy-images-to: imgs Call between microservices 1. Call of microservice - Ribbon + resttemplate (independent component) 1. What makes Ribbon Ribbon is a client-side load balancer, which is used to call the load balancing of microservices between spring cloud 2. Load balancing between se ...

seata is an open source distributed transaction solution dedicated to providing high-performance and easy-to-use distributed transaction services. seata will provide users with AT, TCC, SAGA and XA transaction modes, and build a one-stop distributed solution for users. The purpose of this tutorial is to provide a quick start to the case of seat ...

Distributed timing task -- XXL job learning (2): source code analysis -- actuator startup process preface 1, Start of actuator 1.1 analysis of the core class XxlJobSpringExecutor 1.1.1 initJobHandlerRepository() 1.1.2 initJobHandlerMethodRepository() 1.1.3 GlueFactory.refreshInstance(1) 1.1.4 super.start() ...

First of all, spring boot is a simplified development framework with convention greater than configuration. If I look at the source code of spring boot, I think there are two directions. One is the process of spring boot based on spring container and some of its own startup. The other is the implemen ...

This project is a Spring boot project Redis Cutting Programming Target: Add a comment to the method to cache when querying Method: Custom Note+AOP Section Programming step Say nothing but go directly to the code demonstration Step One Definition Notes @Retention(RetentionPolicy.RUNTIME) @Target( ...

dubbo of springboot series Introduction to dubbo Apache Dubbo`Is a high performance Java RPC framework.(1) High performance RPC calls for interface proxyProvides high-performance proxy-based remote invocation capabilities. Services are interface-granular and shield developers from the underlying details of remote invocations.(2) Intelligent Loa ...

In addition to oauth and shiro, we learn oauth 2.0 here 1.1 Authentication and authorization are two basic concepts to solve software system security. Authentication is to verify whether the user's identity is legal, and authorization is to verify whether the user has the authority to operate resou ...

RocketMQ for reliable message final consistency Business description In this case, RocketMQ middleware is used to realize the final consistent distributed transaction of reliable messages and simulate the transfer transaction process of two accounts. Two accounts are in different banks (Zhang San is ...