Criando aplicações web com Spring Web MVC

O que Spring

Spring Framework

• Complemento ao Java EE. Nсo ж uma implmentaусo. Integraусo com algumas especificaушes

• Container de Inversсo de Controle - Inversion of Control (IoC)

• Injeусo de DependЖncia - dependency injection (DI) : @Autowired

• Spring Beans : @Bean : Um Objeto que serр gerenciado pelo IoC Container

• org.springframework.context.ApplicationContext : Representa IoC container e ж responsavel instanciar, configurar e cosntruir esses beans.

• 5.0.6

• Spring?s Aspect-Oriented Programming (AOP)

• Spring Web MVC

• Spring WebFlux ^5.0

  • http://www.reactive-streams.org - SPEC (https://github.com/reactive-streams/reactive-streams-jvm)
  • http://projectreactor.io - IMPL (Reactor is a Reactive Streams library)
  • http://reactivex.io - IMPL (https://github.com/ReactiveX/RxJava)

• https://spring.io/projects/spring-framework#learn

• https://docs.spring.io/spring/docs/current/spring-framework-reference/overview.html

• https://docs.spring.io/spring-framework/docs/current/spring-framework-reference/core.html

Spring Boot

• Convenусo sobre Configuraусo.

• Auto configuraушes por padrсo.

• Pronto para Produусo (you can "just run").

• Nсo ж um gerador de cзdigo.

• Plug-and-play de modulos starters

• Tomcat, Jetty ou Undertow embedado

• 2.0.3

  • https://spring.io/projects/spring-boot
  • https://docs.spring.io/spring-boot/docs/2.0.3.RELEASE/reference/htmlsingle/

Spring Web MVC

• MVC - Model, View and Controller

  • View = https://www.thymeleaf.org/

• Start.io = Web e Thymeleaf

• @Controller

• @Repository

• @Service

• ModelAndView VS Model

• EL ${}