number.dart 248 B

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  1. /// 数值工具类
  2. class NumUtil {
  3. /// 对double四舍五入
  4. static double roundDouble(double value, [int digits = 2]) {
  5. final digitsStr = value.toStringAsFixed(digits);
  6. final result = double.parse(digitsStr);
  7. return result;
  8. }
  9. }