mToKm method

String mToKm()

m 转 km

Implementation

String mToKm() {
  var m = this;
  if (m == null) {
    return "";
  } else {
    if (m < 1000) {
      return "${m.toStringAsFixed(0)}m";
    } else {
      return "${m.divide(1000).toStringAsFixed(2)}km";
    }
  }
}