scala消息接收與回覆

import scala.actors.Actor
import scala.actors.Actor._

case class PersonMessage(name:String,age:Int) 
class MessageActor extends Actor{
  def act{
    while(true){
      //接收郵件
      receive{
        case PersonMessage(name,age)=>{
          println("person name："+name+";Person age:"+age)
          //向發送者發送郵件
          sender!"finish!"
          }
      }
    }
  }
}
object TestMain{
  def main(args: Array[String]): Unit = {
    val HActor = new MessageActor
    HActor.start()
    HActor!PersonMessage("a",12)
    self.receive{
      case msg=>println(msg)
    }
  }
}