C# 中文转换成拼音


    public static string GetOneIndexPinYin(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 = 'V';   //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 = 'J';
                                                    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';
                                                                                                            else
                                                                                                                pinyin = 'V';
            }
            else
                pinyin = char.ToUpper(pinyin);

            sb.Append(pinyin);
        }

        return sb.ToString();
    }

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