hlb_dsdlg.cpp

用c完成的大整数成法实现

// hlb_dsDlg.cpp : implementation file
//

#include "stdafx.h"
#include "hlb_ds.h"
#include "hlb_dsDlg.h"
#include "fstream.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CHlb_dsDlg dialog

CHlb_dsDlg::CHlb_dsDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CHlb_dsDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CHlb_dsDlg)
	m_strInput1 = _T("");
	m_strInput2 = _T("");
	m_strResult = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CHlb_dsDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CHlb_dsDlg)
	DDX_Text(pDX, IDC_EDIT_INPUT1, m_strInput1);
	DDX_Text(pDX, IDC_EDIT_INPUT2, m_strInput2);
	DDX_Text(pDX, IDC_EDIT_RESULT, m_strResult);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CHlb_dsDlg, CDialog)
	//{{AFX_MSG_MAP(CHlb_dsDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_Btn_Input, OnBtnInput)
	ON_BN_CLICKED(IDC_Btn_GO, OnBtnGO)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CHlb_dsDlg message handlers

BOOL CHlb_dsDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	d=0;
	b=0;
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CHlb_dsDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CHlb_dsDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CHlb_dsDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CHlb_dsDlg::OnBtnInput() 
{
	// TODO: Add your control notification handler code here
	UpdateData(true);
	fstream file1("Input1.txt",ios::out|ios::trunc);
	file1.write(m_strInput1,m_strInput1.GetLength());
	fstream file2("Input2.txt",ios::out|ios::trunc);
	file2.write(m_strInput2,m_strInput1.GetLength());
}

void CHlb_dsDlg::OnBtnGO() 
{
	// TODO: Add your control notification handler code here
	CEdit * pEdit=(CEdit *)GetDlgItem(IDC_EDIT_RESULT);
	int n1,n2,i,i1,k,i2,j,n;
	CString str,str1;
	str="";
	str1="";
	n1=m_strInput1.GetLength();
	n2=m_strInput2.GetLength();
	for(i=0;i<n1;i++)
		s1[i]=atoi(m_strInput1.Mid(i,1))+48;
	for(i=0;i<n2;i++)
		s2[i]=atoi(m_strInput2.Mid(i,1))+48;
	for(i=0;i<256;i++)
		a[i]=0;
	for(i1=0,k=n1-1;i1<n1;i1++,k--){
		for(i2=0,j=n2-1;i2<n2;i2++,j--){
			i=i1+i2;
			b=a[i]+(s1[k]-48)*(s2[j]-48)+d;
			a[i]=b%10;
			d=b/10;
		}
		while(d>0){
			i++;
			a[i]=a[i]+d%10;
			d=d/10;
		}
		n=i;
	}
	for(i=n;i>=0;i--){
		str1.Format(_T("%d"),a[i]);
		str=str+str1;
		if((n-i+1)%10==0)str=str+"  ";
		if((n-i+1)%50==0)str=str+"\r\n";
	}
	pEdit->SetWindowText(str);
	fstream file3("Result.txt",ios::out|ios::trunc);
	file3.write(str,str.GetLength());
}

void CHlb_dsDlg::OnOK() 
{
	// TODO: Add extra validation here
	CEdit * pEdit=(CEdit *)GetDlgItem(IDC_EDIT_RESULT);
	CEdit * pEdit1=(CEdit *)GetDlgItem(IDC_EDIT_INPUT1);
	CEdit * pEdit2=(CEdit *)GetDlgItem(IDC_EDIT_INPUT2);
	pEdit1->SetWindowText("");
	pEdit2->SetWindowText("");
	pEdit->SetWindowText("");
	//CDialog::OnOK();
}

void CHlb_dsDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	
	CDialog::OnCancel();
}