位操作

    /// <summary>
        /// 设定Int数据中某一位的值
        /// </summary>
        /// <param name="value">位设定前的值</param>
        /// <param name="index">32位数据的从右向左的偏移位索引(0~31)</param>
        /// <param name="bitValue">true设该位为1,false设为0</param>
        /// <returns>返回位设定后的值</returns>
        public static int SetBitValue(int value, ushort index, bool bitValue)
        {
            if (index > 31) throw new ArgumentOutOfRangeException("index"); //索引出错
            var val = 1 << index;
            return bitValue ? (value | val) : (value & ~val);
        }
        /// <summary>
        /// 返回Int数据中某一位是否为1
        /// </summary>
        /// <param name="value"></param>
        /// <param name="index">32位数据的从右向左的偏移位索引(0~31)</param>
        /// <returns>true表示该位为1，false表示该位为0</returns>
        public static bool GetBitValue(int value, ushort index)
        {
            if (index > 31) throw new ArgumentOutOfRangeException("index"); //索引出错
            var val = 1 << index;
            return (value & val) == val;
        }