案例类在Scala中映射(Case class to map in Scala)

 有人知道如果有一个很好的方法，我可以转换一个Scala案例类实例，例如 
 
case class MyClass(param1: String, param2: String)
val x = MyClass("hello", "world")
 
 进入某种映射，例如 
 
getCCParams(x) returns "param1" -> "hi", "param2" -> "3"
 
 它适用于任何案例类，而不仅仅是预定义的类。 我发现你可以通过写一个询问底层Product类的方法来提取case类名，例如 
 
def getCCName(caseobj: Product) = caseobj.productPrefix 
getCCName(x) returns "MyClass"
 
 所以我正在寻找一个类似的解决方案，但对于case类的字段。 我想象一个解决方案可能需要使用Java反射，但是如果案例类的底层实现发生变化，我会讨厌在未来的Scala版本中写出一些可能会出现的错误。 
 
 目前，我正在使用Scala服务器，并使用案例类定义协议及其所有的消息和异常，因为它们是一个如此美丽，简洁的结构。 但是，我需要将它们转换成Java映射，以便通过消息传递层发送以供客户端实现使用。 我目前的实现只是为每个案例类定义一个翻译，但是找到一个通用的解决方案是很好的。 

Is there a nice way I can convert a Scala case class instance, e.g.
 
case class MyClass(param1: String, param2: String)
val x = MyClass("hello", "world")
 
into a mapping of some kind, e.g.
 
getCCParams(x) returns "param1" -> "hello", "param2" -> "world"
 
Which works for any case class, not just predefined ones. I've found you can pull the case class name out by writing a method that interrogates the underlying Product class, e.g.
 
def getCCName(caseobj: Product) = caseobj.productPrefix 
getCCName(x) returns "MyClass"
 
So I'm looking for a similar solution but for the case class fields. I'd imagine a solution might have to use Java reflection, but I'd hate to write something that might break in a future release of Scala if the underlying implementation of case classes changes.
 
Currently I'm working on a Scala server and defining the protocol and all its messages and exceptions using case classes, as they are such a beautiful, concise construct for this. But I then need to translate them into a Java map to send over the messaging layer for any client implementation to use. My current implementation just defines a translation for each case class separately, but it would be nice to find a generalised solution.

原文：https://stackoverflow.com/questions/1226555