身份证信息

object string04 {
  def main(args: Array[String]): Unit = {
    // 1. 模拟输入18位身份证号（可替换为实际输入）
    val idCard = "421023200506011234"
    println(s"解析的身份证号：$idCard")
    println("-" * 30)

    // 2. 解析省份（身份证前2位）
    val regionMap = Map(
      "42" -> "湖北省", "11" -> "北京市", "31" -> "上海市",
      "44" -> "广东省", "51" -> "四川省", "61" -> "陕西省"
    )
    val provinceCode = idCard.substring(0, 2)
    val province = regionMap.getOrElse(provinceCode, "未知省份")
    println(s"籍贯：$province")

    // 3. 解析性别（第17位：奇数男，偶数女）
    val genderCode = idCard.charAt(16).asDigit
    val gender = if (genderCode % 2 == 1) "男" else "女"
    println(s"性别：$gender")

    // 4. 解析年龄（出生年份：第7-10位）
    val birthYear = idCard.substring(6, 10).toInt
    val currentYear = java.time.LocalDate.now().getYear
    val age = currentYear - birthYear
    println(s"年龄：$age 岁")

    // 5. 解析生日（第7-14位，格式：年-月-日）
    val birthday = s"${idCard.substring(6, 10)}-${idCard.substring(10, 12)}-${idCard.substring(12, 14)}"
    println(s"生日：$birthday")

    // 6. 解析星座（根据生日月/日）
    val month = idCard.substring(10, 12).toInt
    val day = idCard.substring(12, 14).toInt
    val constellation = getConstellation(month, day)
    println(s"星座：$constellation")
  }

  // 星座判断辅助函数
  def getConstellation(month: Int, day: Int): String = (month, day) match {
    case (1, d) if d >= 20 | (2, d) if d <= 18 => "水瓶座"
    case (2, d) if d >= 19 | (3, d) if d <= 20 => "双鱼座"
    case (3, d) if d >= 21 | (4, d) if d <= 19 => "白羊座"
    case (4, d) if d >= 20 | (5, d) if d <= 20 => "金牛座"
    case (5, d) if d >= 21 | (6, d) if d <= 21 => "双子座"
    case (6, d) if d >= 22 | (7, d) if d <= 22 => "巨蟹座"
    case (7, d) if d >= 23 | (8, d) if d <= 22 => "狮子座"
    case (8, d) if d >= 23 | (9, d) if d <= 22 => "处女座"
    case (9, d) if d >= 23 | (10, d) if d <= 23 => "天秤座"
    case (10, d) if d >= 24 | (11, d) if d <= 22 => "天蝎座"
    case (11, d) if d >= 23 | (12, d) if d <= 21 => "射手座"
    case _ => "摩羯座"
  }
}