scala Array sortBy 传函数

object ScalaTest {

  def sortByFunc(input: (String,(Double, Double))): Double = {
    return input._2._1 / input._2._2
  }

  def main(args: Array[String]): Unit = {
    var tmpArray = Array[(String, (Double, Double))]()
    tmpArray = tmpArray :+ ("guotong1", (1.0, 2.0))
    tmpArray = tmpArray :+ ("guotong2", (1.0, 3.0))
    tmpArray = tmpArray :+ ("guotong3", (1.0, 4.0))
    tmpArray = tmpArray :+ ("guotong4", (1.0, 5.0))
   
    val sortedArray = tmpArray.sortBy(sortByFunc)
    println(sortedArray.last.toString())
    //或者
    val sortedArray2 = tmpArray.sortBy(one => {
      one._2._1 / one._2._2
    })
    println(sortedArray2.last.toString())
  }

}