// c:Program FilesMicrosoft SDKsWindowsv7.0AIncludeWinNls.h #define CP_ACP 0 // default to ANSI code page #define CP_OEMCP 1 // default to OEM code page #define CP_MACCP 2 // default to MAC code page #define CP_THREAD_ACP 3 // current thread's ANSI code page #define CP_SYMBOL 42 // SYMBOL translations #define CP_UTF7 65000 // UTF-7 translation #define CP_UTF8 65001 // UTF-8 translation // -- c:Program FilesMicrosoft SDKsWindowsv7.0AIncludeWinNT.h // // UNICODE (Wide Character) types // #ifndef _MAC typedef wchar_t WCHAR; // wc, 16-bit UNICODE character #else // some Macintosh compilers don't define wchar_t in a convenient location, or define it as a char typedef unsigned short WCHAR; // wc, 16-bit UNICODE character #endif typedef WCHAR *PWCHAR, *LPWCH, *PWCH; typedef CONST WCHAR *LPCWCH, *PCWCH; typedef __nullterminated WCHAR *NWPSTR, *LPWSTR, *PWSTR; ...... typedef __nullterminated CONST WCHAR *LPCWSTR, *PCWSTR; ...... // // ANSI (Multi-byte Character) types // typedef CHAR *PCHAR, *LPCH, *PCH; typedef CONST CHAR *LPCCH, *PCCH; typedef __nullterminated CHAR *NPSTR, *LPSTR, *PSTR; ...... typedef __nullterminated CONST CHAR *LPCSTR, *PCSTR; ...... // // 多字节(一般指GBK) utf8 Unicode 编码互转 /* MultiByteToWideChar: 将MultiByte(多字节编码(CP_ACP)、GBK(CP_ACP)、UTF8(CP_UTF8))转换为WideChar(Unicode 编码)。 如 MultiByteToWideChar(CP_ACP, 0, old_str, old_str_len, new_str, new_Len); 表示将CP_ACP类型的old_str转换为WideChar类型；CP_ACP标识 从哪种类型的MultiByte转换为WideChar。 WideCharToMultiByte: 将WideChar(Unicode 编码)转换为MultiByte(多字节编码(CP_ACP)、GBK(CP_ACP)、UTF8(CP_UTF8))。 如 WideCharToMultiByte(CP_UTF8, 0, old_str, old_str_len, new_str, new_Len, NULL, NULL); 表示将WideChar类型的old_str转换为CP_UTF8类型的MultiByte。CP_ACP标识 WideChar要转换为哪种类型的MultiByte。 MultiByte1 转换为 MultiByte2 ，先将MultiByte1转为将WideChar，再从将WideChar转为MultiByte2。 */ std::string Utf8ToGBK(const char* strUtf8) { //不是utf8编码，返回原串 unsigned char code_mark = strUtf8[0]; if(code_mark <= 0xE0) { return strUtf8; } int len=MultiByteToWideChar(CP_UTF8, 0, (LPCSTR)strUtf8, -1, NULL,0); unsigned short * wszGBK = new unsigned short[len+1]; memset(wszGBK, 0, len * 2 + 2); MultiByteToWideChar(CP_UTF8, 0, (LPCSTR)strUtf8, -1, (LPWSTR)wszGBK, len); len = WideCharToMultiByte(CP_ACP, 0, (LPCWSTR)wszGBK, -1, NULL, 0, NULL, NULL); char *szGBK=new char[len + 1]; memset(szGBK, 0, len + 1); WideCharToMultiByte (CP_ACP, 0, (LPCWSTR)wszGBK, -1, (LPSTR)szGBK, len, NULL,NULL); std::string gbkString = szGBK; delete[] wszGBK; delete[] szGBK; return gbkString; } // 多字节编码转为UTF8编码 bool MBToUTF8(vector<char>& pu8, const char* pmb, int32 mLen) { // convert an MBCS string to widechar int32 nLen = MultiByteToWideChar(CP_ACP, 0, pmb, mLen, NULL, 0); WCHAR* lpszW = NULL; try { lpszW = new WCHAR[nLen]; } catch(bad_alloc &memExp) { return false; } int32 nRtn = MultiByteToWideChar(CP_ACP, 0, pmb, mLen, lpszW, nLen); if(nRtn != nLen) { delete[] lpszW; return false; } // convert an widechar string to utf8 int32 utf8Len = WideCharToMultiByte(CP_UTF8, 0, lpszW, nLen, NULL, 0, NULL, NULL); if (utf8Len <= 0) { return false; } pu8.resize(utf8Len); nRtn = WideCharToMultiByte(CP_UTF8, 0, lpszW, nLen, &*pu8.begin(), utf8Len, NULL, NULL); delete[] lpszW; if (nRtn != utf8Len) { pu8.clear(); return false; } return true; } // UTF8编码转为多字节编码 bool UTF8ToMB(vector<char>& pmb, const char* pu8, int32 utf8Len) { // convert an UTF8 string to widechar int32 nLen = MultiByteToWideChar(CP_UTF8, 0, pu8, utf8Len, NULL, 0); WCHAR* lpszW = NULL; try { lpszW = new WCHAR[nLen]; } catch(bad_alloc &memExp) { return false; } int32 nRtn = MultiByteToWideChar(CP_UTF8, 0, pu8, utf8Len, lpszW, nLen); if(nRtn != nLen) { delete[] lpszW; return false; } // convert an widechar string to Multibyte int32 MBLen = WideCharToMultiByte(CP_ACP, 0, lpszW, nLen, NULL, 0, NULL, NULL); if (MBLen <=0) { return false; } pmb.resize(MBLen); nRtn = WideCharToMultiByte(CP_ACP, 0, lpszW, nLen, &*pmb.begin(), MBLen, NULL, NULL); delete[] lpszW; if(nRtn != MBLen) { pmb.clear(); return false; } return true; } // 多字节编码转为Unicode编码 bool MBToUnicode(vector<wchar_t>& pun, const char* pmb, int32 mLen) { // convert an MBCS string to widechar int32 uLen = MultiByteToWideChar(CP_ACP, 0, pmb, mLen, NULL, 0); if (uLen<=0) { return false; } pun.resize(uLen); int32 nRtn = MultiByteToWideChar(CP_ACP, 0, pmb, mLen, &*pun.begin(), uLen); if (nRtn != uLen) { pun.clear(); return false; } return true; } //Unicode编码转为多字节编码 bool UnicodeToMB(vector<char>& pmb, const wchar_t* pun, int32 uLen) { // convert an widechar string to Multibyte int32 MBLen = WideCharToMultiByte(CP_ACP, 0, pun, uLen, NULL, 0, NULL, NULL); if (MBLen <=0) { return false; } pmb.resize(MBLen); int nRtn = WideCharToMultiByte(CP_ACP, 0, pun, uLen, &*pmb.begin(), MBLen, NULL, NULL); if(nRtn != MBLen) { pmb.clear(); return false; } return true; } // UTF8编码转为Unicode bool UTF8ToUnicode(vector<wchar_t>& pun, const char* pu8, int32 utf8Len) { // convert an UTF8 string to widechar int32 nLen = MultiByteToWideChar(CP_UTF8, 0, pu8, utf8Len, NULL, 0); if (nLen <=0) { return false; } pun.resize(nLen); int32 nRtn = MultiByteToWideChar(CP_UTF8, 0, pu8, utf8Len, &*pun.begin(), nLen); if(nRtn != nLen) { pun.clear(); return false; } return true; } // Unicode编码转为UTF8 bool UnicodeToUTF8(vector<char>& pu8, const wchar_t* pun, int32 uLen) { // convert an widechar string to utf8 int32 utf8Len = WideCharToMultiByte(CP_UTF8, 0, pun, uLen, NULL, 0, NULL, NULL); if (utf8Len<=0) { return false; } pu8.resize(utf8Len); int32 nRtn = WideCharToMultiByte(CP_UTF8, 0, pun, uLen, &*pu8.begin(), utf8Len, NULL, NULL); if (nRtn != utf8Len) { pu8.clear(); return false; } return true; }