字符集之间转换

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const char*utf8ToAnsi(constchar*src)

{

intnLen = MultiByteToWideChar(CP_UTF8, 0, (LPCSTR)src, -1, NULL, 0);

WCHAR * wszANSI = new WCHAR[nLen+1];

memset(wszANSI, 0, nLen*2+2);

nLen =MultiByteToWideChar(CP_UTF8, 0, (LPCSTR)src, -1, wszANSI, nLen);

nLen =WideCharToMultiByte(CP_ACP, 0, wszANSI, -1, NULL, 0, NULL, NULL);

char*szUTF8 = new char[nLen+1];

memset(szUTF8, 0, nLen+1);

WideCharToMultiByte(CP_ACP, 0,wszANSI, -1, szUTF8, nLen, NULL, NULL);

delete[]wszANSI;

returnszUTF8;

}

const char*ansiToUtf8(constchar*src)

{

intnLen = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, (LPCSTR)src, -1, NULL,0);

WCHAR * wszANSI = new WCHAR[nLen+1];

memset(wszANSI, 0, nLen*2+2);

nLen =MultiByteToWideChar(CP_ACP, 0, (LPCSTR)src, -1, wszANSI, nLen);

nLen = WideCharToMultiByte(CP_UTF8, 0, wszANSI, -1, NULL, 0, NULL,NULL);

char *szUTF8 = new char[nLen+1];

memset(szUTF8, 0, nLen+1);

WideCharToMultiByte (CP_UTF8, 0,wszANSI, -1, szUTF8, nLen, NULL, NULL);

delete[]wszANSI;

returnszUTF8;

}

const char*wideToAnsi(constwchar_t*src)

{

intnLen = WideCharToMultiByte(CP_ACP, 0, src, -1, NULL, 0, NULL, NULL);

char*szAnsi = new char[nLen+1];

memset(szAnsi, 0, nLen+1);

WideCharToMultiByte (CP_ACP, 0,src, -1, szAnsi, nLen, NULL, NULL);

returnszAnsi;

}

std::string wideToAnsi_v2(const wchar_t* src)

{

intnLen = WideCharToMultiByte(CP_ACP, 0, src, -1, NULL, 0, NULL, NULL);

char*szAnsi = new char[nLen+1];

memset(szAnsi, 0, nLen+1);

WideCharToMultiByte (CP_ACP, 0,src, -1, szAnsi, nLen, NULL, NULL);

string str(szAnsi);

delete[]szAnsi;

szAnsi = NULL;

returnstr;

}

const char*wideToUtf8(constwchar_t*src)

{

intnLen = WideCharToMultiByte(CP_UTF8, 0, src, -1, NULL, 0, NULL, NULL);

char*szUTF8 = new char[nLen+1];

memset(szUTF8, 0, nLen+1);

WideCharToMultiByte (CP_UTF8, 0,src, -1, szUTF8, nLen, NULL, NULL);

returnszUTF8;

}

std::string wideToUtf8_v2(const wchar_t* src)

{

intnLen = WideCharToMultiByte(CP_UTF8, 0, src, -1, NULL, 0, NULL, NULL);

char*szUTF8 = new char[nLen+ 1];

memset(szUTF8, 0, nLen + 1);

WideCharToMultiByte (CP_UTF8, 0,src, -1, szUTF8, nLen, NULL, NULL);

std::string str(szUTF8);

delete[]szUTF8;

szUTF8 = NULL;

returnstr;

}

const wchar_t*utf8ToWide(constchar*src)

{

intnLen = MultiByteToWideChar(CP_UTF8, 0, (LPCSTR)src, -1, NULL, 0);

WCHAR * wszANSI = new WCHAR[nLen+1];

memset(wszANSI, 0, nLen*2+2);

MultiByteToWideChar(CP_UTF8, 0,(LPCSTR)src, -1, wszANSI, nLen);

returnwszANSI;

}

const wchar_t*ansiToWide(constchar*src)

{

intnLen = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, (LPCSTR)src, -1, NULL,0);

WCHAR* wszANSI = new WCHAR[nLen+1];

memset(wszANSI, 0, nLen*2+2);

MultiByteToWideChar(CP_ACP, 0,(LPCSTR)src, -1, wszANSI, nLen);

returnwszANSI;

}

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