What is the difference between SpringBoot and SpringMVC?

SpringBoot and SpringMVC are two frameworks commonly used in Java development. They are both provided by the Spring framework, but there are some differences in functions and usage. This article will introduce the characteristics and differences of SpringBoot and SpringMVC respectively.

1. Characteristics of SpringBoot:

1. Simplified configuration: SpringBoot greatly simplifies the project configuration process through the principle of convention over configuration. It can automatically configure the parameters required by the project, and developers only need to focus on the implementation of business logic without paying attention to the underlying configuration details.
2. Embedded server: SpringBoot has built-in servers such as Tomcat and Jetty, which can run web applications directly without additional configuration and deployment. This reduces development and deployment complexity.
3. Automated dependency management: SpringBoot provides an automated dependency management system. You only need to introduce the corresponding dependencies into the project to automatically configure the required dependencies. This can greatly simplify project dependency management.
4. Modular development: SpringBoot adopts a modular development method, which can divide business functions into modules. Each module is independent and reusable, improving the maintainability and scalability of the code.
5. Powerful monitoring and management functions: SpringBoot provides rich monitoring and management functions. You can obtain the running status, performance indicators and other information of the application by accessing the management endpoint, and monitor and manage the application.

2. Characteristics of SpringMVC:

1. MVC architecture: SpringMVC is a Web framework based on the model-view-controller (MVC) pattern. By dividing the application into three components: model, view and controller, it realizes the separation of business logic and view display, and improves the readability and maintainability of the code.
2. Request-response model: SpringMVC adopts the request-response model. The user sends a request to the server, and the server distributes the request to the corresponding controller through the SpringMVC framework for processing, and returns a response to the user.
3. Annotation-driven development: SpringMVC supports the use of annotations to simplify development, such as using @Controller annotations to mark controller classes, @RequestMapping annotations to mark request processing methods, etc. This approach can reduce cumbersome XML configuration.
4. Powerful verification mechanism: SpringMVC provides a powerful verification mechanism, which can verify form data through annotations and validators to ensure the validity and integrity of the data.
5. Restful style support: SpringMVC has good support for Restful style interface design. You can use annotations to define request processing methods corresponding to different HTTP methods to achieve more flexible interface design.

3. The difference between SpringBoot and SpringMVC:

1. Configuration method: SpringBoot greatly simplifies the configuration process by using convention over configuration, while SpringMVC still requires manual configuration. Many parameters.
2. Dependency management: SpringBoot provides automated dependency management, which can automatically configure the required dependencies, while SpringMVC requires manual management of project dependencies.
3. Server deployment: SpringBoot can embed the server to run the application directly, while SpringMVC requires additional configuration and deployment of the server.
4. Modular development: SpringBoot supports modular development, dividing business functions into modules to achieve reuse between modules, while SpringMVC focuses more on implementing the layered architecture of MVC.
5. Function positioning: SpringBoot focuses more on simplifying configuration and rapid development, and is suitable for small and medium-sized projects; while SpringMVC is suitable for large-scale projects that require more fine-grained control and flexibility.

To sum up, SpringBoot and SpringMVC have some differences in functions and usage. SpringBoot focuses more on simplified configuration, automatic dependency management and rapid development, and is suitable for small and medium-sized projects, while SpringMVC focuses more on the implementation and flexibility of the MVC architecture and is suitable for large-scale projects. Choosing a framework based on project needs and the actual situation of the development team can improve development efficiency and code quality.

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