获取拼音的第一个字母的方法

注：这获取拼音的第一个字母的方法只为记录以便自用，有需要的朋友可以看看，不需要的请不要拍我。

private static string getPinYin(string text)
    {
        char pinyin;
        byte[] array;
        System.Text.StringBuilder sb = new System.Text.StringBuilder(text.Length);
        foreach (char c in text)
        {
            pinyin = c;
            array = System.Text.Encoding.Default.GetBytes(new char[] { c });

            if (array.Length == 2)
            {
                int i = array[0] * 0x100 + array[1];

                if (i < 0xB0A1) pinyin = c;
                else
                    if (i < 0xB0C5) pinyin = 'a';
                    else
                        if (i < 0xB2C1) pinyin = 'b';
                        else
                            if (i < 0xB4EE) pinyin = 'c';
                            else
                                if (i < 0xB6EA) pinyin = 'd';
                                else
                                    if (i < 0xB7A2) pinyin = 'e';
                                    else
                                        if (i < 0xB8C1) pinyin = 'f';
                                        else
                                            if (i < 0xB9FE) pinyin = 'g';
                                            else
                                                if (i < 0xBBF7) pinyin = 'h';
                                                else
                                                    if (i < 0xBFA6) pinyin = 'g';
                                                    else
                                                        if (i < 0xC0AC) pinyin = 'k';
                                                        else
                                                            if (i < 0xC2E8) pinyin = 'l';
                                                            else
                                                                if (i < 0xC4C3) pinyin = 'm';
                                                                else
                                                                    if (i < 0xC5B6) pinyin = 'n';
                                                                    else
                                                                        if (i < 0xC5BE) pinyin = 'o';
                                                                        else
                                                                            if (i < 0xC6DA) pinyin = 'p';
                                                                            else
                                                                                if (i < 0xC8BB) pinyin = 'q';
                                                                                else
                                                                                    if (i < 0xC8F6) pinyin = 'r';
                                                                                    else
                                                                                        if (i < 0xCBFA) pinyin = 's';
                                                                                        else
                                                                                            if (i < 0xCDDA) pinyin = 't';
                                                                                            else
                                                                                                if (i < 0xCEF4) pinyin = 'w';
                                                                                                else
                                                                                                    if (i < 0xD1B9) pinyin = 'x';
                                                                                                    else
                                                                                                        if (i < 0xD4D1) pinyin = 'y';
                                                                                                        else
                                                                                                            if (i < 0xD7FA) pinyin = 'z';
            }

            sb.Append(pinyin);
        }

        return sb.ToString();
    }