spring boot annotations list with explanation

The main contents of this section:1: How to get Configuration items in a configuration file in a non-annotated way2: Use annotations to Get External properties file configuration itemsStatement:This article is an important note for the Spring boot framework to learn preschool Mastery (3)-Read the external resource profile by annotating the Edith accompany you lea

ObjectiveThis essay will make a simple filing of the common annotations in Spring boot, and the order of writing will start from the start-up class and be extended to both inside and outside, for the purpose of sharing and for the convenience of future review and inspection.1. ApplicationThe Startup class example is as follows:@SpringBootApplicationpublicclass Ap

Spring Boot Common Annotations Summary@RestController and @requestmapping annotations@RestController annotations, which inherit from @controller annotations. Prior to 4.0, Spring MVC co

dependent beans, when added (Required=false), even if the bean can not find the error.@Resource (name= "name", type= "type"): The default byname if there is no bracketed content. A similar thing to @autowired do.@Service: Components typically used to decorate the Service layer@Repository: Use @repository annotations to ensure that DAO or repositories provides exception translation, and that this annotation-decorated DAO or repositories class is Compo

business layer, and the control layer (the WEB layer), respectively.--------------------------------------------------------------------------------------------------------------- ------------------------------------------------------@AutowiredThe getter () and setter () methods are not required, and spring can be automatically injected@QualifierIf more than one implementation class is available for this tag, specify which implementation class to inj

In spring boot, use @springbootapplication to specify that the class is the application startup class. Automatically scans for the corresponding annotations under the current class and sub packages register as spring beans, The application is started in the main method of the class by using the Springapplication Run me

Recent use of spring Boot+mybatis, using IntelliJ idea Development, to document some of the solution to the problem. 1, in the use of @mapper annotations instead of xxmapper.xml configuration files, using @select and other annotations to configure the SQL statement, how to configure the database field name to the JavaB

Reprint: http://www.jb51.net/article/75460.htm1. Using spring annotations to inject attributes1.1. How do we inject attributes before using annotations?Implementation of the class:Class Usermanagerimpl implements Usermanager { private Userdao Userdao; public void Setuserdao (Userdao userdao) { This.userdao = Userdao; } ... }Configuration file:1.2. Int

org.springframework.context.annotation.Scope;import org.springframework.stereotype.Service;@Service@Scope("prototype")//声明Scope为Prototypepublic class DemoPrototypeService {}3GT; Configuration classpackage com.wisely.highlight_spring4.ch2.scope;import org.springframework.context.annotation.ComponentScan;import org.springframework.context.annotation.Configuration;@Configuration@ComponentScan("com.wisely.highlight_spring4.ch2.scope")public class ScopeConfig {}4> runpackage com.wisely.highlight_spr

Spring Boot automatic configuration decryption annotations @enableautoconfigurationSpring boot for automatic configuration, added annotations @enableautoconfiguration,spring boot 1.2, o