/// <summary> /// 获取随机数 /// </summary> /// <param name="minimum">最小值</param> /// <param name="maximum">最大值</param> /// <param name="Len">小数点保留位数</param> /// <returns></returns> public double GetRandomNumber(double minimum, double maximum, int Len) { System.Threading.Thread.Sleep(1);//防止获取随机太快时 获取的是同一个随机数 Random random = new Random(DateTime.Now.Millisecond); return Math.Round(random.NextDouble() * (maximum - minimum) + minimum, Len); }