25 lines
551 B
Dart
25 lines
551 B
Dart
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import 'dart:math';
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class NumberTool {
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/// 生成随机数
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/// @allNum: 随机数的和
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/// @num: 随机数的数量
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List<int> randomNum(int allNum, {int num = 10}) {
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List<int> randomNumbers = [];
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int remainingNum = allNum;
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for (int i = 0; i < num - 1; i++) {
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int randomNumber = Random().nextInt(remainingNum) + 1;
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randomNumbers.add(randomNumber);
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remainingNum -= randomNumber;
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}
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randomNumbers.add(allNum - randomNumbers.fold(0, (prev, element) => prev + element));
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return randomNumbers;
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}
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}
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