Overview of Spring, Spring MVC, Spring Boot, and Spring Cloud
This article introduces Spring as a lightweight IoC and AOP container, explains Spring MVC as its web framework, describes Spring Boot's convention‑over‑configuration approach to simplify setup, and outlines how Spring Cloud builds on Spring Boot to provide micro‑service governance.
Spring is a lightweight Inversion of Control (IoC) and Aspect‑Oriented Programming (AOP) container framework that enables developers to write cleaner, more manageable, and easier‑to‑test code.
Spring MVC is a module of Spring that serves as a web framework; using DispatcherServlet, ModelAndView, and ViewResolver, it simplifies web application development, handling URL routing, sessions, template engines, and static resources.
Because Spring configuration can be complex and cumbersome, Spring Boot was created to apply the principle of "convention over configuration," streamlining the configuration process.
Spring Cloud is built on top of Spring Boot and focuses on global service governance, integrating and managing multiple Spring Boot microservices.
In summary: Spring provides the core foundation; Spring MVC adds the web layer; Spring Boot simplifies configuration for rapid development; and Spring Cloud offers comprehensive micro‑service governance.
Spring is the core, providing basic functionality.
Spring MVC is a Spring‑based MVC web framework.
Spring Boot is a rapid‑development package that simplifies Spring configuration.
Spring Cloud is a service‑governance framework built on Spring Boot.
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