Scala akka http服务器-打印POST消息

import akka.actor.ActorSystem
import akka.http.scaladsl.Http
import akka.http.scaladsl.model._
import akka.http.scaladsl.server.Directives._
import akka.stream.ActorMaterializer

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

  val route =
    path("post") {
      post {
        entity(as[String]) { body =>
          println(s"Received POST message: $body")
          complete(StatusCodes.OK)
        }
      }
    }

  val bindingFuture = Http().bindAndHandle(route, "localhost", 8080)

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

  // 等待服务器终止
  bindingFuture.flatMap(_.unbind()).onComplete(_ => system.terminate())
}