private class ArrayTool<T>

    {

        /// <summary>查询值在数组中的下标</summary>

        /// <param name="array">数组</param>

        /// <param name="param">查询的参数</param>

        /// <returns>下标</returns>

        public static int ArrayQueryIndex(T[] array, T param)

        {

            for (int i = ; i < array.Length; i++)

                if (array[i].Equals(param)) return i;

            return ;

        }

        /// <summary>根据下标拆分出新数组</summary>

        /// <param name="array">原数组</param>

        /// <param name="EndIndex">结束下标</param>

        /// <param name="StartIndex">开始下标</param>

        /// <returns>新数组</returns>

        public static T[] NewArrayByIndex(T[] array, int EndIndex, int StartIndex)

        {

            T[] result = new T[EndIndex - StartIndex + ];

            for (int i = ; i <= EndIndex - StartIndex; i++) result[i] = array[i + StartIndex];

            return result;

        }

    }