SpringMVC流程

BeanNameViewResolverContentNegotiatingViewResolver 内容协商(根据客户提交的MimeType决定返回的数据)InternalResourceViewResolver 内部资源(jsp)AbstractTemplateViewResolver FreeMarker等模板

HandlerMapping

doService --> doDispatch 方法完成整个调用流程 (默认配置: DispatcherServlet.properties)

View

SimpleUrlHandlerMapping      手动配置BeanNameUrlHandlerMapping    beanName以/开头RequestMappingHandlerMapping 最常用的@RequestMapping注解方法RouterFunctionMapping        Spring5.2新增

DispatcherServlet

HandlerAdapter

ViewResolver

SimpleServletHandlerAdapter    适配 Servlet的service方法SimpleControllerHandlerAdapter 适配 Controller的handleRequest方法HttpRequestHandlerAdapter      适配 HttpRequestHandlerAdapter的handleRequest方法RequestMappingHandlerAdapter   适配 @RequestMapping注解的HandlerMethod (最常用)HandlerFunctionAdapter         适配 HandlerFunction (Spring5.2新增)

InternalResourceViewMappingJackson2JsonViewFreeMarkerViewAbstractXlsxView

HandlerExecutionChain getHandler(HttpServletRequest request)

Handler