[C#]NextDouble

关键代码：

        /// <summary>
        /// 生成设置范围内的Double的随机数
        /// eg:_random.NextDouble(1.5, 2.5)
        /// </summary>
        /// <param name="random">Random</param>
        /// <param name="miniDouble">生成随机数的最大值</param>
        /// <param name="maxiDouble">生成随机数的最小值</param>
        /// <returns>当Random等于NULL的时候返回0;</returns>
        public static double NextDouble(this Random random, double miniDouble, double maxiDouble)
        {
            if (random != null)
            {
                return random.NextDouble() * (maxiDouble - miniDouble) + miniDouble;
            }
            else
            {
                return 0.0d;
            }
        }

测试代码：

        static void Main(string[] args)
        {
            try
            {
                Random _random = new Random();
                for (int i = 0; i < 10; i++)
                {
                    Console.WriteLine(_random.NextDouble(1.5, 2.5));
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
            finally
            {
                Console.ReadLine();
            }
        }

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[C#]NextDouble