/// <summary>
/// 返回汉字字符串拼音首字母
/// </summary>
/// <param name="strText">汉字字符串</param>

/// <returns>返回由strText中字符及汉字部分的拼音首字母构成的字符串</returns>
static public string GetChineseSpell(string strText)
{
    int len = strText.Length;
    string myStr = "";
    for (int i = 0; i < len; i++)
    {
        myStr += getSpell(strText.Substring(i, 1));
    }
    return myStr;
}
/// <summary>
/// 返回一个汉字的拼音首字母
/// </summary>
/// <param name="cnChar"></param>

/// <returns></returns>
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;
}
//csharp/1119