类的使用
org.springframework.stereotype.Component

使用Component的程序包

程序包	说明
org.springframework.context.annotation	Annotation support for the Application Context, including JSR-250 "common" annotations, component-scanning, and Java-based metadata for creating Spring-managed objects.
org.springframework.stereotype	Annotations denoting the roles of types or methods in the overall architecture (at a conceptual, rather than implementation, level).

org.springframework.context.annotation中Component的使用

注释类型为Component的org.springframework.context.annotation中的类

限定符和类型

类和说明

interface

Configuration Indicates that a class declares one or more @Bean methods and may be processed by the Spring container to generate bean definitions and service requests for those beans at runtime, for example: @Configuration public class AppConfig { @Bean public MyBean myBean() { // instantiate, configure and return bean ... } } Bootstrapping @Configuration classes Via AnnotationConfigApplicationContext @Configuration classes are typically bootstrapped using either AnnotationConfigApplicationContext or its web-capable variant, AnnotationConfigWebApplicationContext.

org.springframework.stereotype中Component的使用

注释类型为Component的org.springframework.stereotype中的类

限定符和类型	类和说明
interface	Controller Indicates that an annotated class is a "Controller" (e.g. a web controller).
interface	Repository Indicates that an annotated class is a "Repository", originally defined by Domain-Driven Design (Evans, 2003) as "a mechanism for encapsulating storage, retrieval, and search behavior which emulates a collection of objects".
interface	Service Indicates that an annotated class is a "Service", originally defined by Domain-Driven Design (Evans, 2003) as "an operation offered as an interface that stands alone in the model, with no encapsulated state."