一个用来快速生成指定大小的随机不重复int数组的实用方法

/// <summary>
        /// 随机产生考场号
        /// </summary>
        /// <param name="start">初始值</param>
        /// <param name="count">数量</param>
        /// <returns></returns>
        public static List<int> GetRandomList(int start, int count)
        {
            List<int> list = new List<int>();
            List<int> temp = new List<int>();
            for (int i = start; i < count + start; i++)
            {
                temp.Add(i);
            }
            Random ro = new Random();

            while (list.Count < count)
            {
                int a = ro.Next(0, temp.Count);
                if (!list.Contains(temp[a]))
                {
                    list.Add(temp[a]);
                    temp.Remove(temp[a]);
                }
            }
            return list;
        }