/** * 模式匹配 */case class Class1(param1: String, param2: String)case class Class2(param1: String)object Case {  def main(args: Array[String]) {    //通过模式匹配进行条件判断    val test1: String = "1"    val result1 = test1 match {      case "1" => {        "one"      }      case "2" => "two"      case _ => "other"    }    println(result1)    //通过模式匹配进行条件判断，可自定义条件    val test2: Int = 1;    val result2 = test2 match {      case i if i + 1 == 2 => "one"      case i if i + 1 == 3 => "tow"      case _ => "error"    }    println(result2)    //通过模式匹配进行类型条件判断    val t3 = 1    println(Test3(t3))    //通过模式匹配进行类型条件判断    val t4 = "1"    println(Test3((t4)))    //通过模式匹配进行类的判断与执行    val test5 = Class1("1", "2")    ClassMatch(test5)    val test6 = Class2("3")    ClassMatch(test6)  }  def ClassMatch(classTest: Any): Unit = {    classTest match {      case Class1(param1, param2) => {        println("Class1:" + param1 + "_" + param2)      }      case Class2(param1) => {        println("Class2:" + param1)      }      case _ => println("error")    }  }  def Test3(data: Any): String = {    data match {      case x: Int => "Int"      case x: String => "String"      case _ => "unkown"    }  }}

oneoneIntStringClass1:1_2Class2:3