(转)简繁体转换函数

    //---------------------------------------------------------------------------
    //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); 
 
  ...... 

 

转自:http://blog.csdn.net/kamplus/archive/2008/01/07/2029380.aspx

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