import ClassName from "../../container/ClassName"; import { Injectable } from "../../container/Injectable"; @ClassName('MathUtils') @Injectable() export default class MathUtils { className = 'MathUtils'; // 得到一个两数之间的随机整数 public getRandomInt(min: number, max: number): number { min = Math.ceil(min); max = Math.floor(max); //不含最大值,含最小值 return Math.floor(Math.random() * (max - min)) + min; } }