20 lines
489 B
Dart
20 lines
489 B
Dart
import 'dart:math';
|
|
|
|
class NumberUtils {
|
|
/// 获取一个随机随
|
|
static int getRandomNumber(int min, int max) {
|
|
Random random = Random();
|
|
int randomNumber = random.nextInt(max - min) + min;
|
|
return randomNumber;
|
|
}
|
|
|
|
/// 获取不包括当前的随机数
|
|
static int getRandomNumberExcludingCurrent(int min, int max, int current) {
|
|
int newNumber;
|
|
do {
|
|
newNumber = getRandomNumber(min, max);
|
|
} while (newNumber == current);
|
|
return newNumber;
|
|
}
|
|
}
|