简繁体转换函数,GBK2GB

    //---------------------------------------------------------------------------
    //函数输入Big5字符，返回Gb简体字符
    //---------------------------------------------------------------------------
    AnsiString __fastcall Big2Gb(AnsiString sBig)
    {
     char* pszBig5=NULL; //Big5编码的字符
     wchar_t* wszUnicode=NULL; //Unicode编码的字符
     char* pszGbt=NULL; //Gb编码的繁体字符
     char* pszGbs=NULL; //Gb编码的简体字符
     AnsiString sGb; //返回的字符串
     int iLen=0; //需要转换的字符数
   
     pszBig5=sBig.c_str(); //读入需要转换的字符参数
   
     //计算转换的字符数
     iLen=MultiByteToWideChar (950, 0, pszBig5, -1, NULL,0) ;
     //给wszUnicode分配内存
     wszUnicode=new wchar_t[iLen+1];
     //转换Big5码到Unicode码，使用了API函数MultiByteToWideChar
     MultiByteToWideChar (950, 0, pszBig5, -1, wszUnicode,iLen);
   
     //计算转换的字符数
     iLen=WideCharToMultiByte (936, 0, (PWSTR) wszUnicode, -1, NULL,0, NULL, NULL) ;
     //给pszGbt分配内存
     pszGbt=new char[iLen+1];
     //给pszGbs分配内存
     pszGbs=new char[iLen+1];
     //转换Unicode码到Gb码繁体，使用API函数WideCharToMultiByte
     WideCharToMultiByte (936, 0, (PWSTR) wszUnicode, -1, pszGbt,iLen, NULL, NULL) ;
   
     //转换Gb码繁体到Gb码简体，使用API函数LCMapString
     LCMapString(0x0804,LCMAP_SIMPLIFIED_CHINESE, pszGbt, -1, pszGbs, iLen);
   
     //返回Gb码简体字符
     sGb=pszGbs;
   
     //释放内存
     delete [] wszUnicode;
     delete [] pszGbt;
     delete [] pszGbs;
    
     return sGb;
    }

    //---------------------------------------------------------------------------
    //函数输入Gb字符，返回Big5字符
    //---------------------------------------------------------------------------
    AnsiString __fastcall Gb2Big(AnsiString sGb)
    {
    char* pszGbt=NULL; //Gb编码的繁体字符
char* pszGbs=NULL; //Gb编码的简体字符
    wchar_t* wszUnicode=NULL; //Unicode编码的字符
    char* pszBig5=NULL; //Big5编码的字符
    AnsiString sBig5; //返回的字符串
    int iLen=0; //需要转换的字符数
   
    pszGbs=sGb.c_str(); //读入需要转换的字符参数
   
    //计算转换的字符数
    iLen=MultiByteToWideChar (936, 0, pszGbs, -1, NULL,0) ;
   
    //给pszGbt分配内存
    pszGbt=new char[iLen*2+1];
    //转换Gb码简体到Gb码繁体，使用API函数LCMapString
    LCMapString(0x0804,LCMAP_TRADITIONAL_CHINESE, pszGbs, -1, pszGbt, iLen*2);
   
    //给wszUnicode分配内存
    wszUnicode=new wchar_t[iLen+1];
    //转换Gb码到Unicode码，使用了API函数MultiByteToWideChar
    MultiByteToWideChar (936, 0, pszGbt, -1, wszUnicode,iLen);
   
    //计算转换的字符数
    iLen=WideCharToMultiByte (950, 0, (PWSTR) wszUnicode, -1, NULL,0, NULL, NULL) ;
    //给pszBig5分配内存
    pszBig5=new char[iLen+1];
    //转换Unicode码到Big5码，使用API函数WideCharToMultiByte
    WideCharToMultiByte (950, 0, (PWSTR) wszUnicode, -1, pszBig5,iLen, NULL, NULL) ;
   
    //返回Big5码字符
    sBig5=pszBig5;
   
    //释放内存
    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;
}
}
 // 调用示例....
char sourceEncode[255];
char szBuf[1024];
// 从 GB2312 转到 GBK
strcpy(szBuf, sourceEncode);
GB2GBK(szBuf);
// 从GB2312 转到 BIG5，通过 GBK 中转
strcpy(szBuf, sourceEncode);
GB2GBK(szBuf);
GBK2BIG5(szBuf);
 
  ......
}