1. 輸入Big5字符，返回Gb簡體字符
//----------------------------
//函數(shù)輸入Big5字符，返回Gb簡體字符
//----------------------------
AnsiString __fastcall Big2Gb(AnsiString sBig)
{
char* pszBig5=NULL; //Big5編碼的字符
wchar_t* wszUnicode=NULL; //Unicode編碼的字符
char* pszGbt=NULL; //Gb編碼的繁體字符
char* pszGbs=NULL; //Gb編碼的簡體字符
AnsiString sGb; //返回的字符串
int iLen=0; //需要轉(zhuǎn)換的字符數(shù)
pszBig5=sBig.c_str(); //讀入需要轉(zhuǎn)換的字符參數(shù)
//計(jì)算轉(zhuǎn)換的字符數(shù)
iLen=MultiByteToWideChar (950, 0, pszBig5, -1, NULL,0) ;
//給wszUnicode分配內(nèi)存
wszUnicode=new wchar_t[iLen+1];
//轉(zhuǎn)換Big5碼到Unicode碼，使用了API函數(shù)MultiByteToWideChar
MultiByteToWideChar (950, 0, pszBig5, -1, wszUnicode,iLen);
//計(jì)算轉(zhuǎn)換的字符數(shù)
iLen=WideCharToMultiByte (936, 0, (PWSTR) wszUnicode, -1, NULL,0, NULL, NULL) ;
//給pszGbt分配內(nèi)存
pszGbt=new char[iLen+1];
//給pszGbs分配內(nèi)存
pszGbs=new char[iLen+1];
//轉(zhuǎn)換Unicode碼到Gb碼繁體，使用API函數(shù)WideCharToMultiByte
WideCharToMultiByte (936, 0, (PWSTR) wszUnicode, -1, pszGbt,iLen, NULL, NULL) ;
//轉(zhuǎn)換Gb碼繁體到Gb碼簡體，使用API函數(shù)LCMapString
LCMapString(0x0804,LCMAP_SIMPLIFIED_CHINESE, pszGbt, -1, pszGbs, iLen);
//返回Gb碼簡體字符
sGb=pszGbs;
//釋放內(nèi)存
delete [] wszUnicode;
delete [] pszGbt;
delete [] pszGbs;
return sGb;
}
2. 輸入Gb字符，返回Big5字符
//---------------------------------------------------------------------------
//函數(shù)輸入Gb字符，返回Big5字符
//---------------------------------------------------------------------------
AnsiString __fastcall Gb2Big(AnsiString sGb)
{
char* pszGbt=NULL; //Gb編碼的繁體字符
char* pszGbs=NULL; //Gb編碼的簡體字符
wchar_t* wszUnicode=NULL; //Unicode編碼的字符
char* pszBig5=NULL; //Big5編碼的字符
AnsiString sBig5; //返回的字符串
int iLen=0; //需要轉(zhuǎn)換的字符數(shù)
pszGbs=sGb.c_str(); //讀入需要轉(zhuǎn)換的字符參數(shù)
//計(jì)算轉(zhuǎn)換的字符數(shù)
iLen=MultiByteToWideChar (936, 0, pszGbs, -1, NULL,0) ;
//給pszGbt分配內(nèi)存
pszGbt=new char[iLen*2+1];
//轉(zhuǎn)換Gb碼簡體到Gb碼繁體，使用API函數(shù)LCMapString
LCMapString(0x0804,LCMAP_TRADITIONAL_CHINESE, pszGbs, -1, pszGbt, iLen*2);
//給wszUnicode分配內(nèi)存
wszUnicode=new wchar_t[iLen+1];
//轉(zhuǎn)換Gb碼到Unicode碼，使用了API函數(shù)MultiByteToWideChar
MultiByteToWideChar (936, 0, pszGbt, -1, wszUnicode,iLen);
//計(jì)算轉(zhuǎn)換的字符數(shù)
iLen=WideCharToMultiByte (950, 0, (PWSTR) wszUnicode, -1, NULL,0, NULL, NULL) ;
//給pszBig5分配內(nèi)存
pszBig5=new char[iLen+1];
//轉(zhuǎn)換Unicode碼到Big5碼，使用API函數(shù)WideCharToMultiByte
WideCharToMultiByte (950, 0, (PWSTR) wszUnicode, -1, pszBig5,iLen, NULL, NULL) ;
//返回Big5碼字符
sBig5=pszBig5;
//釋放內(nèi)存
delete [] wszUnicode;
delete [] pszGbt;
delete [] pszBig5;
return sBig5;
}