VC 里CSTRING时间变量比较

//判断两个CS类型的时间变量，返回值0 代表相等  1代表first时间大 2代表last时间大 int sCheckDataTime(CString csFirstTime,CString csLastTIme) {  int nYear, nMonth, nDate, nHour, nMin, nSec;  char cTime[50]={0};  WCharToMByte(csFirstTime,cTime,50);  sscanf(cTime, "%d-%d-%d %d:%d:%d", &nYear, &nMonth, &nDate, &nHour, &nMin, &nSec);  CTime tFirstTime(nYear, nMonth, nDate, nHour, nMin, nSec);

 memset(cTime,0,sizeof(cTime));  WCharToMByte(csLastTIme,cTime,50);  sscanf(cTime, "%d-%d-%d %d:%d:%d", &nYear, &nMonth, &nDate, &nHour, &nMin, &nSec);  CTime tLastTime(nYear, nMonth, nDate, nHour, nMin, nSec);  if(tFirstTime == tLastTime)  {   return 0;  }  else if(tFirstTime > tLastTime)  {   return 1;  }  else  {   return 2;  }  /*CTimeSpan tSpan=tCurTime-tStartTime;   if (tSpan.GetTotalSeconds()<2)*/ }

 

BOOL CRecordDlg::WCharToMByte(LPCWSTR lpcwszStr, LPSTR lpszStr, DWORD dwSize) {  DWORD dwMinSize;  dwMinSize = WideCharToMultiByte(CP_OEMCP,NULL,lpcwszStr,-1,NULL,0,NULL,FALSE);  if(dwSize+1 < dwMinSize)  {   return FALSE;  }  WideCharToMultiByte(CP_OEMCP,NULL,lpcwszStr,-1,lpszStr,dwSize,NULL,FALSE);  return TRUE; }