string GBKToUTF8(const std::string& strGBK) { , strGBK.c_str(), -, NULL, ); WCHAR * wszUTF8 = new WCHAR[nLen]; MultiByteToWideChar(CP_ACP, , strGBK.c_str(), -, wszUTF8, nLen); nLen = WideCharToMultiByte(CP_UTF8, , wszUTF8, -, NULL, , NULL, NULL); cha