显示Akka HTTP中所有路由的列表

import akka.actor.ActorSystem
import akka.http.scaladsl.Http
import akka.http.scaladsl.server.Directives._
import akka.http.scaladsl.server.Route

object Main extends App {
  implicit val system = ActorSystem("my-system")
  implicit val executionContext = system.dispatcher

  // 定义路由处理程序
  val route1: Route = path("route1") {
    complete("This is route 1")
  }

  val route2: Route = path("route2") {
    complete("This is route 2")
  }

  // 创建根路由
  val rootRoute: Route = route1 ~ route2

  // 启动应用程序并绑定路由
  val bindingFuture = Http().newServerAt("localhost", 8080).bind(rootRoute)

  println("Server online at http://localhost:8080/")

  // 显示所有路由的列表
  val routeList = rootRoute ~ path("routes") {
    complete {
      val routes = rootRoute.toString.split("\\|").map(_.trim).toList
      routes.mkString("\n")
    }
  }

  // 将路由列表添加到根路由
  val finalRoute = rootRoute ~ routeList

  // 启动应用程序并绑定最终路由
  val bindingFutureWithList = Http().newServerAt("localhost", 8080).bind(finalRoute)

  println("Server online at http://localhost:8080/routes")

  // 等待应用程序终止
  scala.io.StdIn.readLine()
  bindingFutureWithList.flatMap(_.unbind()).onComplete(_ => system.terminate())
}