import java.text.SimpleDateFormat
import java.util.Date
object tranTimeToString {
def main(args: Array[String]): Unit = {
val tm = "1502036122000"
val a = tranTimeToString(tm)
println(a)
}
def tranTimeToString(tm:String) :String={
val fm = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss")
val tim = fm.format(new Date(tm.toLong))
tim
}
}