打乱一组数组或集合中的元素顺序

        /// <summary>
        /// 随机打乱一个int 数组
        /// </summary>
        /// <param name="ints"></param>
        /// <returns></returns>
        public static int[] GetRdomArr(int[] ints)
        {
            int[] newInts = new int[ints.Length];
            int total = ints.Length;
            int dex = 0;
            for (int i = 0; i < total; i++)
            {
                int index = new Random().Next(0, ints.Length);
                int rdom = ints[index];
                if (!newInts.Contains(rdom))
                {
                    newInts[dex] = rdom;
                    dex++;                   
                }
                else
                {
                    total++;
                }
            }
            if (dex == ints.Length)
            {
                return newInts;
            }
            return newInts;
        }

       List<int> lst = new List<int>() { 23, 22, 12, 254, 89, 15 };
            int[] ints = GetRdomArr(lst.ToArray());
        
            for (int i = 0; i < ints.Length; i++)
            {
                Console.WriteLine(ints[i]);
            }