1、转json importorg.json4s.JsonDSL._importorg.json4s.jackson.JsonMethods._importorg.json4s.jackson.Serialization._importorg.json4s.jackson.SerializationcaseclassWOE(col:String,woe:Map[String,String])implicit val formats=Serialization.formats(NoTypeHints)val testMap=Map[String,String]()testMap+=("1...
import org.json4s.native.Serialization.{read, write} object Json2CaseClass extends App { implicit val formats = org.json4s.DefaultFormats case class Class(_name:String, students: List[Student]) case class Student(sid:String, _name:String) val s = "{\"_name\":\"Class1\",\"students\":...
//fastjson 要把scala对象包括caseclass转json字符串 需要加入,new SerializeConfig(true) MyKafkaUtils.send("dwd_order_info", JSON.toJSONString(orderInfo,new S
关于fatjson要把scala对象包括caseclass转json字符串 关于fatjson要把scala对象包括caseclass转json字符串//fastjson 要把scala对象包括caseclass转json字符串需要加⼊,new SerializeConfig(true)MyKafkaUtils.send("dwd_order_info", JSON.toJSONString(orderInfo,new SerializeConfig(true)))
org.json4s.native.Serialization.{read,write}objectJson2CaseClassextendsApp{implicitvalformats=org.json4s.DefaultFormatscaseclassClass(_name:String,students:List[Student])caseclassStudent(sid:String,_name:String)vals="{\"_name\":\"Class1\",\"students\":[{\"sid\":\"1\",\"_name\":\"小明\...
println(JSONUtil.toJsonPrettyStr(s1)) } }caseclassJJ(var name:String, var age:Int, var hobbies:List[String], var skills:Map[String,String], var friends: scala.collection.mutable.ListBuffer[String]) 运行结果 gson=== {"name":"gl","age":12,"...
import play.api.libs.json._ 创建一个Scala对象: 代码语言:scala 复制 case class Person(name: String, age: Int) val personList = List( Person("Alice", 25), Person("Bob", 30), Person("Charlie", 35) ) 创建一个隐式的Writes实例,用于将Scala对象转换为Json: ...
您可以使用Play JSON的Json.parse方法来反序列化JSON数据。 示例代码: 代码语言:scala 复制 import play.api.libs.json._ case class Person(name: String, age: Int) val json = """{"name":"John","age":30}""" val result = Json.parse(json).as[Person] println(result) 推荐的腾讯云相关产品:...
package com.dfssi.dataplatform.analysis.exhaust.alarm import java.sql.Timestamp import java.util import com.alibaba.fastjson.serializer.SerializerFeature import org.apache.spark.Logging import org.json4s.NoTypeHints //将要解析得数据 case class NeedEntity(val vin: String, val downoutput: Double, val...
根据上面的json定义对应的实体类,一般scala用case class,类似于java中的JavaBean、kotlin中的data class /** * 评分 */caseclassRating(max:Int,average:Float,stars:String,min:Int)/** * 图片 */caseclassAvatars(small:String,large:String,medium:String)/** ...