C++获取UUID

#include <string>
#include
#if defined(WIN32)||defined(WINCE)||defined(WIN64)
#include
#else
#include
#endif
std::string GetUUID(std::string& strUUID)
{
strUUID = "";
#if defined(WIN32)||defined(WINCE)||defined(WIN64)
GUID guid;
if ( !CoCreateGuid(&guid) )
{
char buffer[64] = {0};
_snprintf_s(buffer, sizeof(buffer),
//"%08X%04X%04X%02X%02X%02X%02X%02X%02X%02X%02X", //大写
"%08x%04x%04x%02x%02x%02x%02x%02x%02x%02x%02x", //小写
guid.Data1, guid.Data2, guid.Data3,
guid.Data4[0], guid.Data4[1], guid.Data4[2],
guid.Data4[3], guid.Data4[4], guid.Data4[5],
guid.Data4[6], guid.Data4[7]);
strUUID = buffer;
}
#else
uuid_t uu;
uuid_generate(uu);
#endif
return strUUID;
}