2019獨(dú)角獸企業(yè)重金招聘Python工程師標(biāo)準(zhǔn)>>>

import org.json4s.{Formats, NoTypeHints} import org.json4s.jackson.Serialization import org.json4s.jackson.Serialization.writeobject Json4sDemo {// 需要添加隱式轉(zhuǎn)換implicit val formats: AnyRef with Formats = Serialization.formats(NoTypeHints)def main(args: Array[String]): Unit = {val user1 = User(1, name = "李明", 12)val user2 = User(2, name = "張杰", 43)val user3 = User(3, name = "王偉", 54)val user4 = User(4, name = "劉安", 24)val users = List[User](user1, user2, user3, user4)// 由scala 對(duì)象轉(zhuǎn)換為 Json字符串val str = write(user1)println(str)val sts = write(users)println(sts)}case class User(id: Int, name: String, age: Int) }

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轉(zhuǎn)載于:https://my.oschina.net/xiaohuai4869/blog/3053514

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