[TOC] ## 概述 ``` func NewServeMux(routes []Route) *http.ServeMux { mux := http.NewServeMux() for _, route := range routes { mux.Handle(route.Pattern(), route) } return mux } func AsRoute(f any) any { return fx.Annotate( f, fx.As(new(Route)), fx.ResultTags(`group:"routes"`), ) } // mian fx.Provide( AsRoute(NewEchoHandler), AsRoute(NewHelloHandler), zap.NewExample, ), ```