1
例如,我怎么能使用像Scala的sortWith
功能排序此阵由点和名:排序阵列由多个值
val arr = Array(
Map("name"->"A","points"->"10"),
Map("name"->"B","points"->"9"),
Map("name"->"C","points"->"8"))
排序只有两点:
arr.sortWith(_.get("points").getOrElse("0").toLong < _.get("points").getOrElse("0").toLong)`