SpringBoot全面接管SpringMVC

Spring Boot官方文档描述

If you want to keep Spring Boot MVC features and you want to add additional MVC configuration (interceptors, formatters, view controllers, and other features), you can add your own @Configuration class of type WebMvcConfigurer but without @EnableWebMvc. If you wish to provide custom instances of RequestMappingHandlerMapping, RequestMappingHandlerAdapter, or ExceptionHandlerExceptionResolver, you can declare a WebMvcRegistrationsAdapter instance to provide such components.

If you want to take complete control of Spring MVC, you can add your own @Configuration annotated with @EnableWebMvc.

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 原来的SpringMVC配置方式：

• <mvc:view-controller path="/hello" view-name="success"/>
      <mvc:interceptors>
          <mvc:interceptor>
              <mvc:mapping path="/hello"/>
              <bean></bean>
          </mvc:interceptor>
      </mvc:interceptors>

现在的SpringBoot方式：

　　add your own @Configuration class of type WebMvcConfigurer but without @EnableWebMvc