49 lines
1.2 KiB
Dart
49 lines
1.2 KiB
Dart
import 'package:flutter/material.dart';
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class DotNumber extends StatelessWidget {
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final double number;
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final Color color;
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final int dotLength;
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final double size;
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final String prefix;
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final double correct;
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const DotNumber(
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this.number, {
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this.dotLength = 4, // 小数点后面的位数
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this.color = const Color.fromRGBO(255, 255, 255, .7), // 文本颜色
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this.size = 32.0, // 字符尺寸
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this.prefix = '', // 前缀字符
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this.correct = 0, // 小数点底部边距修正
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Key? key,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return Row(
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crossAxisAlignment: CrossAxisAlignment.end,
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children: [
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Text(
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prefix + number.truncate().toString(),
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style: TextStyle(
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color: color,
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fontSize: size,
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),
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),
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Padding(
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padding: EdgeInsets.only(
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bottom: correct > 0 ? correct : (size / 10),
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),
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child: Text(
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(number % 1).toStringAsFixed(dotLength).substring(1),
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style: TextStyle(
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color: color.withAlpha(0xB3),
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fontSize: size * 0.618,
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),
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),
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),
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],
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);
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}
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}
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