kmToM method

String kmToM()

km 转 m

Implementation

String kmToM() {
  var m = this;
  if (m == null) {
    return "";
  } else {
    if (m > 1) {
      return "${m.toStringAsFixed(2)}km";
    } else {
      return "${m.multi(1000).toStringAsFixed(0)}m";
    }
  }
}