mainfrm.cpp

实现年度产值报表

// MainFrm.cpp : implementation of the CMainFrame class
//

#include "stdafx.h"
#include "ProductReport.h"

#include "MainFrm.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMainFrame

IMPLEMENT_DYNAMIC(CMainFrame, CMDIFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CMDIFrameWnd)
	//{{AFX_MSG_MAP(CMainFrame)
	ON_WM_CREATE()
	ON_COMMAND(ID_FROM_TEXT, OnFromText)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

static UINT indicators[] =
{
	ID_SEPARATOR,           // status line indicator
	ID_INDICATOR_CAPS,
	ID_INDICATOR_NUM,
	ID_INDICATOR_SCRL,
};

/////////////////////////////////////////////////////////////////////////////
// CMainFrame construction/destruction

CMainFrame::CMainFrame()
{
	// TODO: add member initialization code here
	
}

CMainFrame::~CMainFrame()
{
}

int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CMDIFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP
		| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
		!m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
	{
		TRACE0("Failed to create toolbar\n");
		return -1;      // fail to create
	}

	if (!m_wndStatusBar.Create(this) ||
		!m_wndStatusBar.SetIndicators(indicators,
		  sizeof(indicators)/sizeof(UINT)))
	{
		TRACE0("Failed to create status bar\n");
		return -1;      // fail to create
	}

	// TODO: Delete these three lines if you don't want the toolbar to
	//  be dockable
	m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
	EnableDocking(CBRS_ALIGN_ANY);
	DockControlBar(&m_wndToolBar);

	return 0;
}

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	if( !CMDIFrameWnd::PreCreateWindow(cs) )
		return FALSE;
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CMainFrame diagnostics

#ifdef _DEBUG
void CMainFrame::AssertValid() const
{
	CMDIFrameWnd::AssertValid();
}

void CMainFrame::Dump(CDumpContext& dc) const
{
	CMDIFrameWnd::Dump(dc);
}

#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMainFrame message handlers


void CMainFrame::OnFromText() 
{
	// TODO: Add your command handler code here
	CFileDialog dlg(TRUE,"trp",NULL,OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,"文本报表文件(*.trp)|*.trp|所有文件(*.*)|*.*||",this);
	if(dlg.DoModal()==IDCANCEL)
		return;
	CString filename=dlg.GetPathName();
	CString str,strTemp;
	CFile file;
	if(file.Open(filename,CFile::modeRead)==0)
	{
		str="打开文件"+filename+"失败";
		AfxMessageBox(str);
		return;
	}
	CArchive ar(&file,CArchive::load);
	struct YRP_STRUCT{
		int nYear;
		int nTotalProcuct;
		struct{
			int nProduct;
			char sNote[50];
		}Month[12];
	}*pYrpMap;
	HANDLE hNewFile=INVALID_HANDLE_VALUE;
	HANDLE hMap=NULL;
	filename=filename.Left(filename.GetLength()-3)+"yrp";
	try
	{
		hNewFile=CreateFile(filename,GENERIC_WRITE|GENERIC_READ,0,NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_ARCHIVE,NULL);
		if(hNewFile==INVALID_HANDLE_VALUE)
			throw"创建内存映射失败";
	}
	catch(char *str)
	{
		AfxMessageBox(str);
		if(hMap!=NULL)
			CloseHandle(hMap);
		if(hNewFile!=INVALID_HANDLE_VALUE)
			CloseHandle(hMap);
		return;
	}
	ar.ReadString(str);
	sscanf(str,"%d%s",&(pYrpMap->nYear),(LPCTSTR)strTemp);
	ar.ReadString(str);
	ar.ReadString(str);sscanf(str,"%s%s%s",(LPCTSTR)strTemp,&(pYrpMap->nTotalProcuct),(LPCTSTR)strTemp);
	ar.ReadString(str);
	ar.ReadString(str);
	for(int i=0;i<12;i++)
	{
		int nTemp;
		ar.ReadString(str);
		sscanf(str,"%d%d%s",&nTemp,&(pYrpMap->Month[i].nProduct),pYrpMap->Month[i].sNote);
	}
	UnmapViewOfFile(pYrpMap);
	CloseHandle(hMap);
	CloseHandle(hNewFile);
	ar.Close();
	file.Close();
	if(AfxGetApp()->OpenDocumentFile(filename)==NULL)
		AfxMessageBox("打开文件失败");
	
}