object Test {
def main(args: Array[String]): Unit = {
val names = Array("zhangsan","lisi","wangwu")
//随机取出一个人名
val name = names(Random.nextInt(3))
val response = name match {
case "zhangsan" => "张三"
case "lisi" => "李四"
case "wangwu" => "王五"
case _ => "没人回答"
}
println(response)
println(getResponse(name))
println("考了多少名:"+name+" "+getRank(name))
}
// 左边(输入) => 右边 (输出)
def getResponse:PartialFunction[String,String]={
case "zhangsan" => "张三"
case "lisi" => "李四"
case "wangwu" => "王五"
case _ => "没人回答"
}
//输入String ,输出Int
def getRank:PartialFunction[String,Int]={
case "zhangsan" => 1
case "lisi" => 5
case "wangwu" => 8
case _ => 0
}
}
结果:
张三
张三
考了多少名:zhangsan 1