Scala中文unicode互转

// 中文符号对应的十进制
val single = Seq(12290,65311,65281,65292,12289,65307,65306,12300,12301,12302,12303,8216,8217,8220,8221,65288,65289,12308,12309,12304,12305,8212,8230,8211,65294,12298,12299,12296,12297,12288)
val code = """ Aa,，《"test"》“悄中文""".map{c =>
    val code = Integer.toHexString(c)   // 转unicode
    if (c >= Integer.parseInt("4e00", 16) && c <= Integer.parseInt("9fa5", 16) || single.contains(c)) s"\\u$code" else c
}
// unicode转中文
val char = code.map{c => if (c.toString.startsWith("\\u")) Integer.parseInt(c.toString.substring(2), 16).toChar else c}
 
val res = code.mkString
println(res)
println(char.map(_.toString).mkString)