spray-json-refined 一个集成了和 给定JsonFormat[T]实例,此库派生JsonFormat[T Refined P]实例 安装 支持Scala版本: 2.13 , 2.12 将以下内容添加到您的build.sbt : libraryDependencies += "io.github.typeness" %% "spray-json-refined" % "" 用法 从JSON读取 import eu . timepit . refined . api . Refined import eu . timepit . refined . auto . _ import eu . timepit . refined . _ import eu . timepit . refined . collection . NonEmpty import