reader run error while match case class with one args
yangyongyongyong opened this issue · 1 comments
yangyongyongyong commented
pom:
<dependency>
<groupId>com.typesafe.play</groupId>
<artifactId>play-json_2.12</artifactId>
<version>2.9.2</version>
</dependency>code:
package com.test
import play.api.libs.json._
import play.api.libs.json.Reads._
import play.api.libs.functional.syntax._
object ScalaTest {
def main(args: Array[String]) = {
val json1 =
"""
|{
| "meanWeight": 100,
| "dd": {"id":"232323","id1":"232323"},
| "profileId": "dossierid231453",
| "dossierId": "dossierid2345235",
| "ccc": "ccc111",
| "faceClusterNum": 2
|}
|""".stripMargin
// read报红原因:
implicit val ReaderD1: Reads[D1] = (
(JsPath \ "id").read[String]
// and (JsPath \ "id1").read[String]
)(D1.apply _)
implicit val DossierWithMeanCentroidReader: Reads[DossierWithMeanCentroid] = (
(JsPath \ "dossierId").read[String] and
(JsPath \ "meanWeight").read[Int] and
(JsPath \ "dd").read[D1]
) (DossierWithMeanCentroid.apply _)
val value = Json.parse(json1).validate[DossierWithMeanCentroid]
value match {
case s: JsSuccess[DossierWithMeanCentroid] => println(s.get)
case e: JsError => println(s"解析错误: ${e}")
}
}
case class DossierWithMeanCentroid(dossier_id: String, meanWeight: Int, d: D1)
case class D1(id: String)
// case class D1(id: String,id1:String)
}