Spring SpringBoot小的细节总结记录 spring mvc 采用SPI技术，注入Spring的Servlet类，具体是实现了javax.servlet.ServletContainerInitializer接口的SpringServletContainerInitializer类,在这个类上注解@HandlesTypes传递的参数给Servlet中进行扩展使用 Srping boot Servlet3.0中@HandlesTypes会触发WebApplicationInitializer实现类， SpringBootServletInitializer; 实现的WebApplicationInitializer接口的...