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1,Spring 1.1 INTRODUCTION Spring: Spring ------ > spring brought to the software industry! Spring concept: it makes the existing technology easier to use. It is a hodgepodge and integrates the existing technology framework SSM:SpringMvc+Spring+MyBatis Official website: https://spring.io/projects/spring-framework#overview Official down ...

@Import resolution @Import provides a different import method from @ Bean. This article will introduce the annotation provided by Spring from the usage and principle. Usage 1: @ Import + common class @Configuration @Import(Teacher.class) public class ImportConfig {} public class Teacher {} @Import introduces a common class that can be ad ...

1. What is circular dependency 1.1 Overview Circular dependency is the interdependence between different objects. For example, A-like constructors depend on B instances, B-like constructors depend on A instances, so Spring needs to inject B instances when initializing A instances, then B instances need to be taken from containers, then B inst ...

Spring is a very popular Java Web development framework, which is used to solve the complexity of enterprise applications. Spring framework is an open source J2EE application framework, which is a lightweight container for managing the life cycle of bean sInversion of control - Spring promotes low coupling through a technology called inversion ...

All supporting materials have been uploaded to QQ group: 167356412; if necessary, the group file can be obtained by yourself Spring Cloud China community official website: http://springcloud.cn Spring Cloud China Community Forum: http://bbs.springcloud.cn Spring Cloud China community documentation: http://docs.springcloud.cn 1, Introduc ...

Get started Spring 1. Write a Hello entity class public class Hello { private String name; public String getName() { return name; } public void setName(String name) { this.name = name; } public void show(){ System.out.println("Hello,"+ name ); } } 2. Write the Spring file, which is nam ...

spring integrates mytabis Is to use the function of mybatis in the spring architecture It is equal to the mybatis tar package imported from the code written in non spring architecture to do the operation of the core configuration file, mapping configuration file and dynamic proxy interface of mybatis. Then there are operations such as dao, se ...

1. Package structure of SpringBoot 2. Relationship between packages Controller: it is mainly responsible for the process control of specific business modules and will call the interface of Service layer to control business logic DAO: no matter what the framework is, we often interact with the database. If we all have to write SQL statements ...

AOP in Spring and AOP configuration based on XML and annotations Improve the account case E:\JAVAworkspace\spring_account Analyze the problems in the case Each database operation should only obtain one connection connection and put these operations into one transaction to avoid dirty reading, non repeatable reading, phantom reading and oth ...

Recently, looking at the source code of Nacos, I found that @ Configuration(proxyBeanMethods = false) on many Configuration classes set proxyBeanMethods to false. Special research.   The default value in the source code is true. You can probably know the explanation of this attribute. If 1: is true, it means that the method marked by @Bean wil ...