processDispatchResult
DispatchServlet
RequestMappingHandlerAdapter
doDispatch
handle
initStrategies
FrameworkServlet
AbstractHandlerMapping
applyPreHandle--preHandle
onRefresh
初始化阶段
getHandler
getHandlerAdapter
getHandlerExecutionnChain
getHandler执行链
getModelAndView
render
HandlerInterceptor
initWebApplicationContext
HttpServletBean
doService
调用阶段
postHandle后置拦截
initServletBean
init
