score测试

package score

import java.io.FileWriter

object score01 {
  case class Stu(name:String,yuwen:Double,shuxue:Double,yingyu:Double)
  def main(args: Array[String]): Unit = {

    val stuList =scala.collection.mutable.ListBuffer[Stu]()
    val lines=scala.io.Source.fromFile("score.txt").getLines()
   lines.next()

    while (lines.hasNext){
      val line=lines.next()
      val li=line.split("，")
      stuList+=Stu(li(0),li(1).toDouble,li(2).toDouble,li(3).toDouble)
    }
    println("读入数据结束")

    println("计算结束，开始写入")

    val fileWriter=new FileWriter("score_result.txt")

    fileWriter.write("高三19成绩单\n")


    stuList.foreach(stu=>{
      val total =stu.yuwen+stu.yingyu+stu.shuxue

      val avg=total/3

      println(s"${stu.name},总分：${total} ,平均分：${avg}\n")
    })
    fileWriter.write(s"语文最高分：${stuList.map(_.yuwen).max}\n")
    fileWriter.write(s"数学最高分：${stuList.map(_.shuxue).max}\n")
    fileWriter.write(s"英语最高分：${stuList.map(_.yingyu).max}\n")
    fileWriter.close()
 }

}