scala 样例类转json字符串

<dependency>
  <groupId>org.json4s</groupId>
  <artifactId>json4s-jackson_2.10</artifactId>
  <version>3.2.10</version>
</dependency>

import org.json4s.{Formats, NoTypeHints}
import org.json4s.jackson.Serialization
import org.json4s.jackson.Serialization.write

case class HbaseMsg(tableName: String,
                    rowkey: String,
                    columnFamily: String,
                    column: String)

object Tojson {
  def main(args: Array[String]): Unit = {

    implicit val formats: AnyRef with Formats = Serialization.formats(NoTypeHints)

    val hbase = HbaseMsg("userTbale", "efi325v2j3hv5j3v4i214k", "f1", "name")
    val hbaseStr = write(hbase)
    val str = hbase.toString()
    println(hbaseStr)
    println(str)
  }
}