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This article mainly introduces the notes of the three frameworks in springMVC. It is very detailed and has a certain reference value. Friends who are interested must read it!

A) @ Component is a general comment.

B) @ Repository is the annotation for the persistence layer component.

C) @ Service annotates the business layer components.

D) @ Scope is the scope annotation of Bean.

E) @ Autowired is the annotation of the dependency relationship between the specified Bean.

F) @ Inject is the annotation that specifies the dependency between Bean.

G) @ Value is an annotation that injects the value of the Spring expression.

H) @ RequestMapping can be declared on a class or method, setting URL

I) @ RequestParam specifies that the request parameter is paid to the formal parameter in the method

The combination of Spring, SpringMVC and mybatis

Spring is mainly responsible for business logic layer (M), view layer (V), control layer (C).

First, the request of the jsp page is issued, and the response is sent to DisparcherServlet-- HandlerMapping

HandlerMapper finds the Controller page, and controller loads into the Dao (business logic layer)

Then add, delete, modify and check the database, return the value to controller,Controller and return a ModelAndView

The interface for data control ViewReseover defines the method of ResolverViewName to transfer to the page

The above is all the content of the article "what are the annotations of the three frameworks in springMVC". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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