C#获得汉字拼音的第一个字母

    /// <summary>

    /// 取得汉字拼音的首字母

    /// </summary>

    public class ChineseSpell

    {

        /// <summary>

        /// 取得汉字拼音的首字母

        /// </summary>

        /// <param name="strText">汉字串</param>

        /// <returns>汉字串的首字母串</returns>

        public static string GetChineseSpell(string strText)

        {

            int len = strText.Length;

            StringBuilder myStr = new StringBuilder();

            for (int i = 0; i < len; i++)

            {

                myStr.Append(GetSpell(strText.Substring(i, 1)));

            }

            return myStr.ToString();

        }

        /// <summary>

        /// 取得一个汉字的拼音首字母

        /// </summary>

        /// <param name="cnChar">一个汉字</param>

        /// <returns>首字母</returns>

        private static string GetSpell(string cnChar)

        {

            byte[] arrCN = Encoding.Default.GetBytes(cnChar);

            if (arrCN.Length > 1)

            {

                int area = (short)arrCN[0];

                int pos = (short)arrCN[1];

                int code = (area << 8) + pos;

                int[] areacode = { 45217, 45253, 45761, 46318, 46826, 47010, 47297, 47614, 48119, 48119, 49062, 49324, 49896, 50371, 50614, 50622, 50906, 51387, 51446, 52218, 52698, 52698, 52698, 52980, 53689, 54481 };

                for (int i = 0; i < 26; i++)

                {

                    int max = 55290;

                    if (i != 25) max = areacode[i + 1];

                    if (areacode[i] <= code && code < max)

                    {

                        return Encoding.Default.GetString(new byte[] { (byte)(65 + i) });

                    }

                }

                return "*";

            }

            else return cnChar;

        }

    }