什么叫响应式网站简述搜索引擎优化的方法

package hfdobject Test35 {case class Person(name:String)case class Student(name:String,className:String)//match case 能根据 类名和属性的信息，匹配到对应的类//注意：//1 匹配的时候，case class的属性个数要对上//2 数学名不需要一一对应def main(args: Array[String]): Unit = {val p1=Person("小花")val s1=Student("小明","2(3)班")val a:Any=p1a match {case Person(name)=>println("普通人类",name)case Student(name,className)=>println(className,"的学生",name)case _=>println("其他")}}
}