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1,IOC Inverse of Control – IOC, control reversal, reversing the control of the object to Spring! Using IOC can solve the problem of high coupling of programs Control reversal Suppose I need a function. In this function, I need to call the service layer, and then call the dao layer to get the data. Traditional Java EE development direc ...

1. What is Bean management bean management refers to the following two operations 1. Create object 2. Injection attribute 2. Two methods of bean management operation xml based implementation of configuration file 1 2. Implementation based on annotation 3. Implement Bean management and attribute injection based on xml configur ...

I preface This article introduces the main process of SpringBoot Application The main process entry of spring application is very simple: @SpringBootApplication public class BaseApplication { public static void main(String[] args) { SpringApplication.run(BaseApplication.class, args); } } 1 > use @SpringBootApplication Not ...

ByxContainerAnnotation is a lightweight IOC container based on annotations that mimics Spring IOC. It supports constructor injection and field injection, circular dependency processing and detection, and has a highly extensible plug-in system. Project address: https://github.com/byx2000/byx-container-annotation Maven introduction <reposit ...

In the previous article, we completed the loading object defined by Bean. This time, we completed the scope to obtain the value value, write the metadata and set the BeanName scope system Define scope source data class ScopeMetadata /** * Define scope source data class */ public class ScopeMetadata { //Define the default values for the ...

Part I: 03---Spring function test (Part I) catalogue 1. loc write configuration file to develop spring config xml 2.loc annotation development 3. Simulate the underlying principle of spring IOC ---1. Create bean; Class, record the class name and the full path of the class ---2. Create MyIOC class ---- > to simulate your own IOC 1. Tel ...

There are three assembly methods in Spring:Explicit configuration in xmlExplicit configuration in javaImplicit auto assembly beanExplicit configuration in xmlquote How spring IOC creates objectsConfiguring object properties in an xml fileExplicit configuration in javaquote Derivation of spring IOC theoryWhen actually calling the dao layer, you ...

Spring Bean management xml based configuration mode bean configuration requires spring managed classes id generated object name Class full class name name object alias, which can be multiple scope: Singleton (default): there is only one bean instance in Spring, singleton mode Prototype: when the prototype getBean(), new Bean() Request: each h ...

[preface] AOP is the abbreviation of Aspect Oriented Programming, which means Aspect Oriented Programming technology. What is section? A code segment without any coupling with the business, such as calling log, sending mail, and even routing distribution. All codes that can be owned by the code and can be fully decoupled from the code can be r ...

automatic assembly According to the jar package dependency we added, some configuration class bean s will be automatically registered into the ioc container. We can use @ autowired or @ resource annotations where necessary Question: how is Spring Boot automatically configured and which components are automatically configured? We know that th ...