Spring standard event and custom event observer pattern

spring events In the official spring documentation, spring events are essentially a standard observer pattern. Spring events were refactored in Spring 4.2. system event system eventdescribeContextRefreshedEventThe event published when the application container (ApplicationContext) is initialized or refreshed. For example, the eve ...

Added by nunomira on Tue, 21 Dec 2021 08:31:52 +0200

spring annotation usage ideas / methods

Recently, I got some tips when using spring annotation, which is hereby recorded for future reference. Know about the notes and what they do Find the corresponding annotation according to the scene, and then understand the description and usage of the annotation in detail - through the description of the annotation itself / official docum ...

Added by Chiaki on Tue, 21 Dec 2021 04:27:23 +0200

Java Spring framework -- Introduction

catalogue 1. What is spring 2. Why use Spring? 3. Environmental construction 3.1. Create a java project and import the corresponding jar package 3.2. Create configuration file 3.3. Add corresponding modules 3.4. Hand over bean instantiation to Spring 3.5 testing 4. Injection by construction method 5. General attribute injection 6,sco ...

Added by h123z on Tue, 21 Dec 2021 02:41:46 +0200

Spring 05: Aspect Oriented Programming

1 definition of AOP AOP (Aspect Oriented Programming) means: Aspect Oriented Programming, which realizes the unified maintenance of program functions through precompiled mode and runtime dynamic agent. Aspect oriented programming is a supplement to object-oriented programming. It encapsulates the parts commonly called by each business mod ...

Added by BIOSTALL on Tue, 21 Dec 2021 02:29:14 +0200

Learning notes of springcloud: understanding microservices, talking about capital, iterative evolution of technology, and taking payment module as an example to experience demo

springcloud2020 Daily Maxim Learning your mind and understanding is useless—— "Confucian classics Grottoes" Organize knowledge String your previous things How to learn at this stage While learning new knowledge, don't forget to review yourself and your knowledge My own things javaSEdatabaseFront end knowledgeServle ...

Added by LoStEdeN on Tue, 21 Dec 2021 02:06:40 +0200

Spring learning notes

catalogue Introduction: form: expand: IOC theoretical derivation HelloSpring How IOC creates objects Spring configuration Alias Bean configuration import Dependency (DI) injection Constructor Injection Set mode injection Expansion mode injection p namespace injection c namespace injection (through constructor injection) Bean S ...

Added by nethnet on Mon, 20 Dec 2021 22:12:34 +0200

Apache Dubbo basic usage

Distributed RPC framework Apache Dubbo Introduction to Dubbo Apache Dubbo is a high-performance Java RPC framework. Its predecessor is Alibaba's open source and lightweight open source Java RPC framework, which can be seamlessly integrated with the Spring framework. In 2018, Alibaba donated this framework to the apache foundation. What is RP ...

Added by serious1234 on Mon, 20 Dec 2021 17:52:14 +0200

About the difference between @ DateTimeFormat, @ JsonFormat and @ JsonFiled when formatting date objects!

I am a program ape who has just joined the company. Under the guidance of my boss, I hereby publish an article to record the problems I encounter in my study and work. From this week, it will be updated every week. Welcome to discuss and study together! Don't say much, go straight to the subject. @DateTimeFormat Its function is to convert the ...

Added by veridicus on Mon, 20 Dec 2021 17:23:46 +0200

Spring Cloud Eureka advanced application

1 Preface Through the explanations in the previous two chapters, we have basically mastered the principle and use of Eureka. Next, we will talk about how Eureka is applied from the dimensions of security, monitoring, high availability and tuning. 2 Eureka security configuration Eureka is an important registry in the whole spring cloud mi ...

Added by ozone1 on Mon, 20 Dec 2021 12:37:35 +0200

On java log management logback

1. Problem description About the log management logback in java, I wrote an article about logback last year. In this project, I optimized it and recorded it. I hope it can help friends in need. 2. Solution In fact, I encountered a problem this time. Generally, I will create a user on linux alone, which is the same as the online development e ...

Added by dhe on Sun, 19 Dec 2021 21:33:25 +0200