scala play json自定义验证oneOf

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

// 定义验证规则
val rule1: Reads[String] = Reads.pattern("^[A-Z]+$".r)
val rule2: Reads[String] = Reads.pattern("^[a-z]+$".r)

// 定义oneOf验证规则
val oneOfRule: Reads[String] = rule1.orElse(rule2)

// 定义JSON格式
case class MyData(name: String)

implicit val myDataReads: Reads[MyData] = (
  (JsPath \ "name").read[String](oneOfRule)
)(MyData.apply _)

// 解析JSON数据
val json = Json.parse("""{"name": "ABC"}""")
val result = json.validate[MyData]

// 输出验证结果
result match {
  case JsSuccess(data, _) => println(s"Valid data: $data")
  case JsError(errors) => println(s"Validation errors: $errors")
}