轉(zhuǎn)自：
http://blog.csdn.net/segen_jaa/article/details/6447874/

///UTF8轉(zhuǎn)化為GBK格式/// void ConvertUtf8ToGBK(CString &ioStr) {int len=MultiByteToWideChar(CP_UTF8, 0, (LPCTSTR)ioStr, -1, NULL,0);wchar_t * wszGBK = new wchar_t[len];memset(wszGBK,0,len);MultiByteToWideChar(CP_UTF8, 0, (LPCTSTR)ioStr, -1, wszGBK, len); len = WideCharToMultiByte(CP_ACP, 0, wszGBK, -1, NULL, 0, NULL, NULL);char *szGBK=new char[len + 1];memset(szGBK, 0, len + 1);WideCharToMultiByte (CP_ACP, 0, wszGBK, -1, szGBK, len, NULL,NULL);ioStr = szGBK;delete[] szGBK;delete[] wszGBK; } ///GBK轉(zhuǎn)化為UTF8格式/// void ConvertGBKToUtf8(CString &ioStr) {int len=MultiByteToWideChar(CP_ACP, 0, (LPCTSTR)ioStr, -1, NULL,0);wchar_t * wszUtf8 = new wchar_t [len];memset(wszUtf8, 0, len);MultiByteToWideChar(CP_ACP, 0, (LPCTSTR)ioStr, -1, wszUtf8, len);len = WideCharToMultiByte(CP_UTF8, 0, wszUtf8, -1, NULL, 0, NULL, NULL);char *szUtf8=new char[len + 1];memset(szUtf8, 0, len + 1);WideCharToMultiByte (CP_UTF8, 0, wszUtf8, -1, szUtf8, len, NULL,NULL);ioStr = szUtf8;delete[] szUtf8;delete[] wszUtf8; }

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