Programmer Think

1. During springboot startup, the bean definitions to be loaded will be collected and added to BeanFactory as BeanDefinition objects. Since there are only getBean and other methods to obtain bean objects in BeanFactory, adding BeanDefinition to BeanFactory is through void registerBeanDefinition(String beanName, BeanDefinition beanDefinitio ...

Carry out unified authentication through authentication service, and then verify authentication and authentication through gateway. Nacos will be used as the registration center, Gateway as the Gateway, and nimbus Jose JWT JWT library will be used to operate JWT tokens Theoretical introduction Spring Security is powerful and easy to ...

Catalog Preface: Text: What is BeanFactory? What is FactoryBean? Use of FactoryBean Underlying Source Code Interpretation of FactoryBean The difference between with and without an identifier Summary: Preface: Now it's also a good time for Gold, Silver and Silver to jump around. When asked about the Spring Framework during an intervie ...

1. Introduction to spring IOC IoC: inversion of control. In the traditional development mode, developers create and manage objects by themselves. When the Spring framework is used, these things are handed over to the framework. It can be understood that "the management right of developers over objects to the framework". Therefore, th ...

Basic use of synchronized Object lock Custom object lock /** * Object lock example 2 */ public class SyncObjLock2 implements Runnable{ private static SyncObjLock2 instance=new SyncObjLock2(); private Object lock1=new Object(); private Object lock2=new Object(); /** * You can see that using sync will cause threads to ...

1, AOP operational terminology 1. Connection point The methods in the class that can be enhanced are called join points. 2. Entry point The method that is actually really enhanced is called the entry point. 3. Notification (enhanced) (1) The logical part of the actual enhancement is called notification (enhancement) (2) There are several ...

5. Use and explanation of SpringCloud Netflix Config 5.1 introduction In the distributed system, due to the large number of services, the configuration files are scattered in different micro service projects, which is inconvenient to manage. The Spring Cloud Config component is mainly used to centrally manage configuration files. It supports ...

3. Use and explanation of SpringCloud Netflix OpenFeign Feign can hide the Rest request and disguise it as a Controller similar to spring MVC. It doesn't need to splice URL s, parameters and other operations by itself. Feign can take over these and complete them automatically. 3.1 use of Feign 3.1.1. Dependency import In the pom file of con ...

Write in front This is the core knowledge of spring mybatis, which can be used to review the eight part essay and deepen knowledge. It is recommended that you read it in the mode of breaking through the customs, and then check and fill the gaps according to the content. You are welcome to ask questions and learn from each other. It was done b ...

Annotation programming 01 what is annotation programming :::info It refers to adding specific annotations to classes or methods to complete the development of specific functionsThe use of annotations is convenient for development, the code is concise, and the development speed is greatly provided ::: 02 role of annotations :::success ...