wstring str2time(const wstring &strTime)
  {
   struct tm sTime;
   swscanf(strTime.c_str(), L"%d-%d-%d %d:%d:%d", &sTime.tm_year, &sTime.tm_mon, &sTime.tm_mday, &sTime.tm_hour, &sTime.tm_min, &sTime.tm_sec);
   sTime.tm_year -= 1900;

   sTime.tm_mon -= 1;
   time_t ft=mktime(&sTime);
   wchar_t wcbuf[50] = {0};
   swprintf(wcbuf, sizeof(wcbuf), L"%llu", ft*1000);
   return wcbuf;
  }