validKMile static method

String validKMile(int? startK, int? endMile, int? limitStartK, int? limitStartMile, int? limitEndK, int? limitEndMile,)

Implementation

static String validKMile(int? startK, int? endMile, int? limitStartK, int? limitStartMile, int? limitEndK, int? limitEndMile) {
  if (startK == null || endMile == null) {
    return "桩号为空";
  }
  if (startK == -1 || endMile == -1) {
    return "请输入桩号";
  }
  if (startK < 0 || endMile < 0) {
    return "桩号格式错误";
  }
  if (endMile.toString().isEmpty || endMile.toString().length > 3) {
    return "终点只能填3位数";
  }
  if (limitStartK != null && limitStartMile != null) {
    if (limitStartK * 1000 + limitStartMile > (startK * 1000 + endMile)) {
      return "低于养护段范围：K" + limitStartK.toString() + "~" + limitStartMile.toString();
    }
  }
  if (limitEndK != null && limitEndMile != null) {
    if (limitEndK * 1000 + limitEndMile < (startK * 1000 + endMile)) {
      return "超出养护段范围：K" + limitEndK.toString() + "~" + limitEndK.toString();
    }
  }
  return "";
}