//---------------------------------------------------------------------------
//函數輸入Big5字元,傳回Gb簡體字元
//---------------------------------------------------------------------------
AnsiString __fastcall Big2Gb(AnsiString sBig)
{
char* pszBig5=NULL; //Big5編碼的字元
wchar_t* wszUnicode=NULL; //Unicode編碼的字元
char* pszGbt=NULL; //Gb編碼的繁體字元
char* pszGbs=NULL; //Gb編碼的簡體字元
AnsiString sGb; //傳回的字元串
int iLen=0; //需要轉換的字元數
pszBig5=sBig.c_str(); //讀入需要轉換的字元參數
//計算轉換的字元數
iLen=MultiByteToWideChar (950, 0, pszBig5, -1, NULL,0) ;
//給wszUnicode配置設定記憶體
wszUnicode=new wchar_t[iLen+1];
//轉換Big5碼到Unicode碼,使用了API函數MultiByteToWideChar
MultiByteToWideChar (950, 0, pszBig5, -1, wszUnicode,iLen);
//計算轉換的字元數
iLen=WideCharToMultiByte (936, 0, (PWSTR) wszUnicode, -1, NULL,0, NULL, NULL) ;
//給pszGbt配置設定記憶體
pszGbt=new char[iLen+1];
//給pszGbs配置設定記憶體
pszGbs=new char[iLen+1];
//轉換Unicode碼到Gb碼繁體,使用API函數WideCharToMultiByte
WideCharToMultiByte (936, 0, (PWSTR) wszUnicode, -1, pszGbt,iLen, NULL, NULL) ;
//轉換Gb碼繁體到Gb碼簡體,使用API函數LCMapString
LCMapString(0x0804,LCMAP_SIMPLIFIED_CHINESE, pszGbt, -1, pszGbs, iLen);
//傳回Gb碼簡體字元
sGb=pszGbs;
//釋放記憶體
delete [] wszUnicode;
delete [] pszGbt;
delete [] pszGbs;
return sGb;
}
//---------------------------------------------------------------------------
//函數輸入Gb字元,傳回Big5字元
//---------------------------------------------------------------------------
AnsiString __fastcall Gb2Big(AnsiString sGb)
{
char* pszGbt=NULL; //Gb編碼的繁體字元
char* pszGbs=NULL; //Gb編碼的簡體字元
wchar_t* wszUnicode=NULL; //Unicode編碼的字元
char* pszBig5=NULL; //Big5編碼的字元
AnsiString sBig5; //傳回的字元串
int iLen=0; //需要轉換的字元數
pszGbs=sGb.c_str(); //讀入需要轉換的字元參數
//計算轉換的字元數
iLen=MultiByteToWideChar (936, 0, pszGbs, -1, NULL,0) ;
//給pszGbt配置設定記憶體
pszGbt=new char[iLen*2+1];
//轉換Gb碼簡體到Gb碼繁體,使用API函數LCMapString
LCMapString(0x0804,LCMAP_TRADITIONAL_CHINESE, pszGbs, -1, pszGbt, iLen*2);
//給wszUnicode配置設定記憶體
wszUnicode=new wchar_t[iLen+1];
//轉換Gb碼到Unicode碼,使用了API函數MultiByteToWideChar
MultiByteToWideChar (936, 0, pszGbt, -1, wszUnicode,iLen);
//計算轉換的字元數
iLen=WideCharToMultiByte (950, 0, (PWSTR) wszUnicode, -1, NULL,0, NULL, NULL) ;
//給pszBig5配置設定記憶體
pszBig5=new char[iLen+1];
//轉換Unicode碼到Big5碼,使用API函數WideCharToMultiByte
WideCharToMultiByte (950, 0, (PWSTR) wszUnicode, -1, pszBig5,iLen, NULL, NULL) ;
//傳回Big5碼字元
sBig5=pszBig5;
//釋放記憶體
delete [] wszUnicode;
delete [] pszGbt;
delete [] pszBig5;
return sBig5;
}
void BIG52GBK(char *szBuf)
{
if(!strcmp(szBuf, ""))
return;
int nStrLen = strlen(szBuf);
wchar_t *pws = new wchar_t[nStrLen + 1];
try
{
int nReturn = MultiByteToWideChar(950, 0, szBuf, nStrLen, pws, nStrLen + 1);
BOOL bValue = false;
nReturn = WideCharToMultiByte(936, 0, pws, nReturn, szBuf, nStrLen + 1, "?", &bValue);
szBuf[nReturn] = 0;
}
__finally
{
delete[] pws;
}
}
void GBK2BIG5(char *szBuf)
{
if(!strcmp(szBuf, ""))
return ;
int nStrLen = strlen(szBuf);
wchar_t *pws = new wchar_t[nStrLen + 1];
__try
{
MultiByteToWideChar(936, 0, szBuf, nStrLen, pws, nStrLen + 1);
BOOL bValue = false;
WideCharToMultiByte(950, 0, pws, nStrLen, szBuf, nStrLen + 1, "?", &bValue);
szBuf[nStrLen] = 0;
}
__finally
{
delete[] pws;
}
}
void GB2GBK(char *szBuf)
{
if(!strcmp(szBuf, ""))
return;
int nStrLen = strlen(szBuf);
WORD wLCID = MAKELCID(MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED), SORT_CHINESE_PRC);
int nReturn = LCMapString(wLCID, LCMAP_TRADITIONAL_CHINESE, szBuf, nStrLen, NULL, 0);
if(!nReturn)
return;
char *pcBuf = new char[nReturn + 1];
__try
{
wLCID = MAKELCID(MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED), SORT_CHINESE_PRC);
LCMapString(wLCID, LCMAP_TRADITIONAL_CHINESE, szBuf, nReturn, pcBuf, nReturn + 1);
strncpy(szBuf, pcBuf, nReturn);
}
__finally
{
delete[] pcBuf;
}
}
void GBK2GB(char *szBuf)
{
if(!strcmp(szBuf, ""))
return;
int nStrLen = strlen(szBuf);
WORD wLCID = MAKELCID(MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED), SORT_CHINESE_BIG5);
int nReturn = LCMapString(wLCID, LCMAP_SIMPLIFIED_CHINESE, szBuf, nStrLen, NULL, 0);
if(!nReturn)
return;
char *pcBuf = new char[nReturn + 1];
__try
{
wLCID = MAKELCID(MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED), SORT_CHINESE_BIG5);
LCMapString(wLCID, LCMAP_SIMPLIFIED_CHINESE, szBuf, nReturn, pcBuf, nReturn + 1);
strncpy(szBuf, pcBuf, nReturn);
}
__finally
{
delete []pcBuf;
}
}
// 調用示例....
char sourceEncode[255];
char szBuf[1024];
// 從 GB2312 轉到 GBK
strcpy(szBuf, sourceEncode);
GB2GBK(szBuf);
// 從GB2312 轉到 BIG5,通過 GBK 中轉
strcpy(szBuf, sourceEncode);
GB2GBK(szBuf);
GBK2BIG5(szBuf);
......
}
轉自:http://blog.csdn.net/kamplus/archive/2008/01/07/2029380.aspx