c++BUILDER 中如何把汉字转换成拼音

从同事处copy而来，备份一下~

//---------------------------------------------------------------------------
bool __fastcall In(int LowPosition, int HighPosition,int Value)
{
return ((Value<=HighPosition)&&(Value>=LowPosition));
}
//---------------------------------------------------------------------------
char __fastcall GetPYFirstChar(AnsiString HZ)
{
WORD High =WORD(HZ[1])<<8;
WORD Low =BYTE(HZ[2]);
int n=High +Low ;
if (In(0xB0A1,0xB0C4,n))
return 'A';
if (In(0XB0C5,0XB2C0,n))
return 'B';
if (In(0xB2C1,0xB4ED,n))
return 'C';
if (In(0xB4EE,0xB6E9,n))
return 'D';
if (In(0xB6EA,0xB7A1,n))
return 'E';
if (In(0xB7A2,0xB8c0,n))
return 'F';
if (In(0xB8C1,0xB9FD,n))
return 'G';
if (In(0xB9FE,0xBBF6,n))
return 'H';
if (In(0xBBF7,0xBFA5,n))
return 'J';
if (In(0xBFA6,0xC0AB,n))
return 'K';
if (In(0xC0AC,0xC2E7,n))
return 'L';
if (In(0xC2E8,0xC4C2,n))
return 'M';
if (In(0xC4C3,0xC5B5,n))
return 'N';
if (In(0xC5B6,0xC5BD,n))
return 'O';
if (In(0xC5BE,0xC6D9,n))
return 'P';
if (In(0xC6DA,0xC8BA,n))
return 'Q';
if (In(0xC8BB,0xC8F5,n))
return 'R';
if (In(0xC8F6,0xCBF0,n))
return 'S';
if (In(0xCBFA,0xCDD9,n))
return 'T';
if (In(0xCDDA,0xCEF3,n))
return 'W';
if (In(0xCEF4,0xD188,n))
return 'X';
if (In(0xD1B9,0xD4D0,n))
return 'Y';
if (In(0xD4D1,0xD7F9,n))
return 'Z';
return char(0);
}
//---------------------------------------------------------------------------
AnsiString __fastcall GetPYString(AnsiString InputHZString)
{
AnsiString TempString, ReturnString;
AnsiString Str =InputHZString.Trim();
for (int i=1; i<=Str.Length(); i++)
{
if (isprint(Str[i]))
{
ReturnString = ReturnString + Str[i];
}
else
{
TempString += Str[i];
if (TempString.Length() == 2)
{
ReturnString = ReturnString + GetPYFirstChar(TempString);
TempString = "";
}
}
}
return ReturnString;
}
//---------------------------------------------------------------------------