如何在Scala中将字符串数组转换为长数组

Question

例如:

val ids = "1,2,3"
var result = ids.split(",")

我需要在Scala中将字符串数组转换为长数组

Answer 1

val ids = "1,2,3"
val result = ids.split(",").map(_.toLong)

result: Array[Long] = Array(1, 2, 3)