如何在scala中遍历json数组

libraryDependencies += "com.typesafe.play" %% "play-json" % "2.9.2"

import play.api.libs.json._
import play.api.libs.functional.syntax._

val jsonStr = """
  {
    "users": [
      {
        "name": "Alice",
        "age": 25
      },
      {
        "name": "Bob",
        "age": 30
      },
      {
        "name": "Charlie",
        "age": 35
      }
    ]
  }
"""

case class User(name: String, age: Int)

val json = Json.parse(jsonStr)

val users = (json \\ "users").headOption.map(_.as[Seq[User]]).getOrElse(Seq.empty[User])

users.foreach { user =>
  println(s"Name: ${user.name}, Age: ${user.age}")
}