在vc中实现获取汉字拼音的首字母（转载）

Author： lixiaosan
Date： 05/26/2006
/********************************************************************************************
/* Syntax
/* GetFirstLetter(CString strName, CString& strFirstLetter)
/* Remarks:
/* Get the first letter of pinyin according to specified Chinese character.
/* Parameters:
/* strName - a CString object that is to be parsed.
/* strFirstLetter - a CString object that is to receive the string of the first letter.
/* Return Values:
/* None.
/* Author:
/* lixiaosan
/* Create Date:
/* 05-26-2006
/********************************************************************************************
void GetFirstLetter(CString strName, CString& strFirstLetter)
{
TBYTE ucHigh, ucLow;
int nCode;
CString strRet;

strFirstLetter.Empty();

for (int i=0; i<strName.GetLength(); i++)
{
if ( (TBYTE)strName[i] < 0x80 )
continue;

ucHigh = (TBYTE)strName[i];
ucLow = (TBYTE)strName[i+1];
if ( ucHigh < 0xa1 || ucLow < 0xa1)
continue;
else
// Treat code by section-position as an int type parameter,
// so make following change to nCode.
nCode = (ucHigh - 0xa0) * 100 + ucLow - 0xa0;

FirstLetter(nCode, strRet);
strFirstLetter += strRet;
i++;
}
}

/********************************************************************************************
/* Syntax
/* void FirstLetter(int nCode, CString& strLetter)
/* Remarks:
/* Get the first letter of pinyin according to specified Chinese character code.
/* Parameters:
/* nCode - the code of the chinese character.
/* strLetter - a CString object that is to receive the string of the first letter.
/* Return Values:
/* None.
/* Author:
/* lixiaosan
/* Create Date:
/* 05-26-2006
/********************************************************************************************
void FirstLetter(int nCode, CString& strLetter)
{
if(nCode >= 1601 && nCode < 1637) strLetter = _T("A");
if(nCode >= 1637 && nCode < 1833) strLetter = _T("B");
if(nCode >= 1833 && nCode < 2078) strLetter = _T("C");
if(nCode >= 2078 && nCode < 2274) strLetter = _T("D");
if(nCode >= 2274 && nCode < 2302) strLetter = _T("E");
if(nCode >= 2302 && nCode < 2433) strLetter = _T("F");
if(nCode >= 2433 && nCode < 2594) strLetter = _T("G");
if(nCode >= 2594 && nCode < 2787) strLetter = _T("H");
if(nCode >= 2787 && nCode < 3106) strLetter = _T("J");
if(nCode >= 3106 && nCode < 3212) strLetter = _T("K");
if(nCode >= 3212 && nCode < 3472) strLetter = _T("L");
if(nCode >= 3472 && nCode < 3635) strLetter = _T("M");
if(nCode >= 3635 && nCode < 3722) strLetter = _T("N");
if(nCode >= 3722 && nCode < 3730) strLetter = _T("O");
if(nCode >= 3730 && nCode < 3858) strLetter = _T("P");
if(nCode >= 3858 && nCode < 4027) strLetter = _T("Q");
if(nCode >= 4027 && nCode < 4086) strLetter = _T("R");
if(nCode >= 4086 && nCode < 4390) strLetter = _T("S");
if(nCode >= 4390 && nCode < 4558) strLetter = _T("T");
if(nCode >= 4558 && nCode < 4684) strLetter = _T("W");
if(nCode >= 4684 && nCode < 4925) strLetter = _T("X");
if(nCode >= 4925 && nCode < 5249) strLetter = _T("Y");
if(nCode >= 5249 && nCode < 5590) strLetter = _T("Z");
}

How to use:

CString strName, strRes;
strName = _T("A李小三");
GetFirstLetter(strName, strRes);
//Then the value of strRes is "LXS".