val data = mutableMapOf<String,String>( "username" to "王菲", "age" to "18" ) 如果这里面还希望加上if else 是否可以呢,可以的val age = "18" val data = mutableMapOf<String, Any>( "username" to "王菲", "age" to age.toInt(), "adult" to if (age.toInt() >= 18) { "成年人" } else { "未成年人" } )