mydiary.cpp

实现简单的日记本的程序

// MyDiary.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "MyDiary.h"
#include "MyDiaryDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CMyDiaryApp

BEGIN_MESSAGE_MAP(CMyDiaryApp, CWinApp)
	//{{AFX_MSG_MAP(CMyDiaryApp)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG
	ON_COMMAND(ID_HELP, CWinApp::OnHelp)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyDiaryApp construction

CMyDiaryApp::CMyDiaryApp()
{
	is_old = FALSE;
	m_pos = NULL;	
	// TODO: add construction code here,
	// Place all significant initialization in InitInstance
}

/////////////////////////////////////////////////////////////////////////////
// The one and only CMyDiaryApp object

CMyDiaryApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CMyDiaryApp initialization

BOOL CMyDiaryApp::InitInstance()
{
	AfxEnableControlContainer();

	// Standard initialization
	// If you are not using these features and wish to reduce the size
	//  of your final executable, you should remove from the following
	//  the specific initialization routines you do not need.

#ifdef _AFXDLL
	Enable3dControls();			// Call this when using MFC in a shared DLL
#else
	Enable3dControlsStatic();	// Call this when linking to MFC statically
#endif

	CMyDiaryDlg dlg;
	m_pMainWnd = &dlg;
	int nResponse = dlg.DoModal();
	if (nResponse == IDOK)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with OK
	}
	else if (nResponse == IDCANCEL)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with Cancel
	}

	// Since the dialog has been closed, return FALSE so that we exit the
	//  application, rather than start the application's message pump.
	return FALSE;
}

void CMyDiaryApp::Serialize(CArchive& ar) 
{
	POSITION pos;
	WORD nCount;

	if (ar.IsStoring())
	{	// storing
		nCount = (WORD)m_diaryList.GetCount();
		ar << nCount;
		pos = m_diaryList.GetHeadPosition();
		while(pos != NULL)
		{
			CMyDiary* pMyDiary = m_diaryList.GetNext(pos);
			ar << pMyDiary->m_TDate;
			ar << pMyDiary->m_strWeek;
			ar << pMyDiary->m_strWeather;
			ar << pMyDiary->m_strBody;
			nCount --;
		}
		ASSERT(nCount == 0);
	}
	else
	{	// loading
		ar >> nCount;
		while(nCount -- > 0)
		{
			CMyDiary* pMyDiary = new CMyDiary;
			ar >> pMyDiary->m_TDate;
			ar >> pMyDiary->m_strWeek;
			ar >> pMyDiary->m_strWeather;
			ar >> pMyDiary->m_strBody;
			m_diaryList.AddTail(pMyDiary);
		}
	}
}

void CMyDiaryApp::onSave()  //存储
{
 CFile file;
 if(file.Open("diary.dia", CFile::modeCreate|CFile::modeWrite))
 {
  CArchive ar(&file, CArchive::store);
  Serialize(ar);
  ar.Close();
  file.Close();
 }
}
 
void CMyDiaryApp::onRead()//读出
{
 CFile file;
 if(file.Open("diary.dia", CFile::modeRead))
 {
  CArchive ar(&file, CArchive::load);
  Serialize(ar);
  ar.Close();
  file.Close();
 }
}

CString CMyDiaryApp::TimetoCString(CTime& m_Ttime)
{
	int m_nyear, m_nmonth, m_nday;
	CString m_date;;
	char m_chyear[9], m_chmonth[5], m_chday[5];
	m_nyear = m_Ttime.GetYear();
	m_nmonth = m_Ttime.GetMonth();
	m_nday = m_Ttime.GetDay();
	_gcvt((double)m_nyear, 4, m_chyear);
	_gcvt((double)m_nmonth, 2, m_chmonth);
	_gcvt((double)m_nday, 2, m_chday);
    //Converts a floating-point value to a string, which it stores in a buffer.
	//char *_gcvt( double value, int digits, char *buffer );
	m_date = (CString)m_chyear + "年" + (CString)m_chmonth + "月" + (CString)m_chday + "日";
	return m_date;
}