获取当前时间CTime

std::string getcurtime()
{
USES_CONVERSION;
CTime z_CurTime;
CString z_TimeStr;
z_CurTime = CTime::GetCurrentTime();
z_TimeStr = z_CurTime.Format(_T("%Y%m%d%H%M%S"));//
return W2A(z_TimeStr.GetBuffer());
}