环境:Scala 2.10+ IDE:Eclipse Kepler
我有一行文本:NAME=bala AGE=23 COUNTRY=Singapore
如何将其转换为一个映射(map)?
Map(NAME -> bala, AGE -> 23, COUNTRY -> Singapore)
环境:Scala 2.10+ IDE:Eclipse Kepler
我有一行文本:NAME=bala AGE=23 COUNTRY=Singapore
如何将其转换为一个映射(map)?
Map(NAME -> bala, AGE -> 23, COUNTRY -> Singapore)
另一个解决方案
val str = "NAME=bala AGE=23 COUNTRY=Singapore"
val pairs = str.split("=| ").grouped(2)
val map = pairs.map { case Array(k, v) => k -> v }.toMap
// Map(NAME -> bala, AGE -> 23, COUNTRY -> Singapore)
val line = "NAME=bala AGE=23 COUNTRY=Singapore"
line.split(" ").map(_.split("=")).map(arr => arr(0) -> arr(1)).toMap
res10: scala.collection.immutable.Map[String,String] = Map(NAME -> bala, AGE -> 23, COUNTRY -> Singapore)
val line = "NAME=bala AGE=23 COUNTRY=Singapore"
val regex = """(\w+)=(\w+)""".r
val map = line.split("\\s+") map { elem =>
val regex(key, value) = elem
(key, value)
} toMap