C#获取汉字拼音（包含音调）

//首字母拼音

public static string GetPYString(string str)         {            string tempStr = "";            foreach (char c in str)            {                if ((int)c >= 33 && (int)c <= 126)                {//字母和符号原样保留                    tempStr += c.ToString();                }                else                {//累加拼音声母                    tempStr += GetPYChar(c.ToString());                }            }            return tempStr.ToUpper();        }        public static string GetPYChar(string c)        {            byte[] array = new byte[2];            if (c.Trim().Length <= 0)            {                return " ";            }            array = System.Text.Encoding.Default.GetBytes(c);            if (c.Trim().Length <= 0)            {                return "";            }            int i = (short)(array[0] - '\0') * 256 + ((short)(array[1] - '\0'));            if (i < 0xB0A1) return "*";            if (i < 0xB0C5) return "a";            if (i < 0xB2C1) return "b";            if (i < 0xB4EE) return "c";            if (i < 0xB6EA) return "d";            if (i < 0xB7A2) return "e";            if (i < 0xB8C1) return "f";            if (i < 0xB9FE) return "g";            if (i < 0xBBF7) return "h";            if (i < 0xBFA6) return "j";            if (i < 0xC0AC) return "k";            if (i < 0xC2E8) return "l";            if (i < 0xC4C3) return "m";            if (i < 0xC5B6) return "n";            if (i < 0xC5BE) return "o";            if (i < 0xC6DA) return "p";            if (i < 0xC8BB) return "q";            if (i < 0xC8F6) return "r";            if (i < 0xCBFA) return "s";            if (i < 0xCDDA) return "t";            if (i < 0xCEF4) return "w";            if (i < 0xD1B9) return "x";            if (i < 0xD4D1) return "y";            if (i < 0xD7FA) return "z";            return "*";        }        /// <summary>        /// 获取全拼        /// </summary>        /// <param name="str"></param>        /// <returns></returns>        public static string GetPYAll(string str)        {            StringBuilder py = new StringBuilder();            foreach (char obj in str)            {                try                {                    ChineseChar chineseChar = new ChineseChar(obj);                    ReadOnlyCollection<string> pyColl = chineseChar.Pinyins;                    //循环生成首字母的笛卡尔积,存储到临时拼音列表                    foreach (var item in pyColl)                    {                        if (item != null)                        {                            py.Append(item.Remove(item.Length - 1, 1));                            break;                        }                    }                }                catch//非汉字                {                    py.Append(obj);                }            }            return py.ToString();        }

///每个汉子的音节都有
/// 汉字转化为拼音,Dictionary的key保存全拼,value存拼音首字母缩写[包含了多音字,因此显示名存在重复行]        /// </summary>        /// <param name="str">汉字</param>        /// <returns>Dictionary的key保存全拼,value存拼音首字母缩写</returns>        public Dictionary<string, string> GetPinyin(string str)        {            //str = "其大1a,@";            Dictionary<string, string> dPinYin = new Dictionary<string, string>();            Dictionary<string, string> dPinYinTemp = new Dictionary<string, string>();            string py;            List<string> lTemp = new List<string>();//临时拼音首字母列表,去除重复字母
            foreach (char obj in str)            {                try                {                    ChineseChar chineseChar = new ChineseChar(obj);                    ReadOnlyCollection<string> pyColl = chineseChar.Pinyins;
                    lTemp.Clear();                    dPinYinTemp.Clear();
                    //循环生成首字母的笛卡尔积,存储到临时拼音列表                    foreach (var item in pyColl)                    {                        if (item != null)                        {                            //py = IsFirst ? py = item.Substring(0, 1) : item.Remove(item.Length - 1, 1);                            py = item.Substring(0, 1);
                            if (!lTemp.Contains(py))                            {                                lTemp.Add(py);                                if (dPinYin.Count == 0)                                {                                    dPinYinTemp.Add(item.Remove(item.Length - 1, 1), py);                                }                                else                                {                                    foreach (var d in dPinYin)                                    {                                        dPinYinTemp.Add(d.Key + py, d.Value + py.Substring(0, 1));                                    }                                }                            }                        }                    }                }                catch//非汉字                {                    if (dPinYin.Count == 0)                    {                        dPinYinTemp.Add(obj.ToString(), obj.ToString());                    }                    else                    {                        dPinYinTemp.Clear();                        foreach (var d in dPinYin)                        {                            dPinYinTemp.Add(d.Key + obj.ToString(), d.Value + obj.ToString());                        }                    }                }                //拷贝到返回列表                dPinYin.Clear();                dPinYin = new Dictionary<string, string>(dPinYinTemp);            }
            return dPinYin;        }