我刚做的计算器....有小数点的..但运行的时候出现溢出错误....下面是代码
// YADlg.cpp : implementation file//
#include <stdlib.h>
#include "stdafx.h"
#include "YA.h"
#include "YADlg.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()
/////////////////////////////////////////////////////////////////////////////
// CYADlg dialog
CYADlg::CYADlg(CWnd* pParent /*=NULL*/)
: CDialog(CYADlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CYADlg)
m_xianshi = 0.0;
m_m1=" ";
m_m2=" ";
m_flag=' ';
m_pt=' ';
m_m11=0;
m_m22=0;
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CYADlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CYADlg)
DDX_Text(pDX, IDC_EDIT1, m_xianshi);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CYADlg, CDialog)
//{{AFX_MSG_MAP(CYADlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_B0, OnB0)
ON_BN_CLICKED(IDC_B1, OnB1)
ON_BN_CLICKED(IDC_B2, OnB2)
ON_BN_CLICKED(IDC_B3, OnB3)
ON_BN_CLICKED(IDC_B4, OnB4)
ON_BN_CLICKED(IDC_B5, OnB5)
ON_BN_CLICKED(IDC_B6, OnB6)
ON_BN_CLICKED(IDC_B7, OnB7)
ON_BN_CLICKED(IDC_B8, OnB8)
ON_BN_CLICKED(IDC_B9, OnB9)
ON_BN_CLICKED(IDC_BCHENG, OnBcheng)
ON_BN_CLICKED(IDC_BCHU, OnBchu)
ON_BN_CLICKED(IDC_BDENG, OnBdeng)
ON_BN_CLICKED(IDC_BJIA, OnBjia)
ON_BN_CLICKED(IDC_BJIAN, OnBjian)
ON_BN_CLICKED(IDC_BPT, OnBpt)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CYADlg message handlers
BOOL CYADlg::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
return TRUE; // return TRUE unless you set the focus to a control
}
void CYADlg::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 CYADlg::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 CYADlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CYADlg::OnB0()
{
// TODO: Add your control notification handler code here
if(m_flag==' ')
{
if(m_pt=='.')
{
m_m1=strcat(m_m1,".");
m_m1=strcat(m_m1,"0");
m_m11=atoi(m_m1);
m_xianshi=m_m11;
m_pt=' ';
}
else
{
m_m1=strcat(m_m1,"0");
m_m11=atoi(m_m1);
m_xianshi=m_m11;
}
}
else
{
if(m_pt=='.')
{
m_m2=strcat(m_m2,".");
m_m2=strcat(m_m2,"0");
m_m22=atoi(m_m2);
m_xianshi=m_m22;
m_pt=' ';
}
else
{
m_m2=strcat(m_m2,"0");
m_m22=atoi(m_m2);
m_xianshi=m_m22;
}
}
UpdateData(false);
}
void CYADlg::OnB1()
{
// TODO: Add your control notification handler code here
if(m_flag==' ')
{
if(m_pt=='.')
{
m_m1=strcat(m_m1,".");
m_m1=strcat(m_m1,"1");
m_m11=atoi(m_m1);
m_xianshi=m_m11;
m_pt=' ';
}
else
{
m_m1=strcat(m_m1,"1");
m_m11=atoi(m_m1);
m_xianshi=m_m11;
}
}
else
{
if(m_pt=='.')
{
m_m2=strcat(m_m2,".");
m_m2=strcat(m_m2,"1");
m_m22=atoi(m_m2);
m_xianshi=m_m22;
m_pt=' ';
}
else
{
m_m2=strcat(m_m2,"1");
m_m22=atoi(m_m2);
m_xianshi=m_m22;
}
}
UpdateData(false);
}
void CYADlg::OnB2()
{
// TODO: Add your control notification handler code here
if(m_flag==' ')
{
if(m_pt=='.')
{
m_m1=strcat(m_m1,".");
m_m1=strcat(m_m1,"2");
m_m11=atoi(m_m1);
m_xianshi=m_m11;
m_pt=' ';
}
else
{
m_m1=strcat(m_m1,"2");
m_m11=atoi(m_m1);
m_xianshi=m_m11;
}
}
else
{
if(m_pt=='.')
{
m_m2=strcat(m_m2,".");
m_m2=strcat(m_m2,"2");
m_m22=atoi(m_m2);
m_xianshi=m_m22;
m_pt=' ';
}
else
{
m_m2=strcat(m_m2,"2");
m_m22=atoi(m_m2);
m_xianshi=m_m22;
}
}
UpdateData(false);
}
void CYADlg::OnB3()
{
// TODO: Add your control notification handler code here
if(m_flag==' ')
{
if(m_pt=='.')
{
m_m1=strcat(m_m1,".");
m_m1=strcat(m_m1,"3");
m_m11=atoi(m_m1);
m_xianshi=m_m11;
m_pt=' ';
}
else
{
m_m1=strcat(m_m1,"3");
m_m11=atoi(m_m1);
m_xianshi=m_m11;
}
}
else
{
if(m_pt=='.')
{
m_m2=strcat(m_m2,".");
m_m2=strcat(m_m2,"3");
m_m22=atoi(m_m2);
m_xianshi=m_m22;
m_pt=' ';
}
else
{
m_m2=strcat(m_m2,"3");
m_m22=atoi(m_m2);
m_xianshi=m_m22;
}
}
UpdateData(false);
}
void CYADlg::OnB4()
{
// TODO: Add your control notification handler code here
if(m_flag==' ')
{
if(m_pt=='.')
{
m_m1=strcat(m_m1,".");
m_m1=strcat(m_m1,"4");
m_m11=atoi(m_m1);
m_xianshi=m_m11;
m_pt=' ';
}
else
{
m_m1=strcat(m_m1,"4");
m_m11=atoi(m_m1);
m_xianshi=m_m11;
}
}
else
{
if(m_pt=='.')
{
m_m2=strcat(m_m2,".");
m_m2=strcat(m_m2,"4");
m_m22=atoi(m_m2);
m_xianshi=m_m22;
m_pt=' ';
}
else
{
m_m2=strcat(m_m2,"4");
m_m22=atoi(m_m2);
m_xianshi=m_m22;
}
}
UpdateData(false);
}
void CYADlg::OnB5()
{
// TODO: Add your control notification handler code here
if(m_flag==' ')
{
if(m_pt=='.')
{
m_m1=strcat(m_m1,".");
m_m1=strcat(m_m1,"5");
m_m11=atoi(m_m1);
m_xianshi=m_m11;
m_pt=' ';
}
else
{
m_m1=strcat(m_m1,"5");
m_m11=atoi(m_m1);
m_xianshi=m_m11;
}
}
else
{
if(m_pt=='.')
{
m_m2=strcat(m_m2,".");
m_m2=strcat(m_m2,"5");
m_m22=atoi(m_m2);
m_xianshi=m_m22;
m_pt=' ';
}
else
{
m_m2=strcat(m_m2,"5");
m_m22=atoi(m_m2);
m_xianshi=m_m22;
}
}
UpdateData(false);
}
void CYADlg::OnB6()
{
// TODO: Add your control notification handler code here
if(m_flag==' ')
{
if(m_pt=='.')
{
m_m1=strcat(m_m1,".");
m_m1=strcat(m_m1,"6");
m_m11=atoi(m_m1);
m_xianshi=m_m11;
m_pt=' ';
}
else
{
m_m1=strcat(m_m1,"6");
m_m11=atoi(m_m1);
m_xianshi=m_m11;
}
}
else
{
if(m_pt=='.')
{
m_m2=strcat(m_m2,".");
m_m2=strcat(m_m2,"6");
m_m22=atoi(m_m2);
m_xianshi=m_m22;
m_pt=' ';
}
else
{
m_m2=strcat(m_m2,"6");
m_m22=atoi(m_m2);
m_xianshi=m_m22;
}
}
UpdateData(false);
}
void CYADlg::OnB7()
{
// TODO: Add your control notification handler code here
if(m_flag==' ')
{
if(m_pt=='.')
{
m_m1=strcat(m_m1,".");
m_m1=strcat(m_m1,"7");
m_m11=atoi(m_m1);
m_xianshi=m_m11;
m_pt=' ';
}
else
{
m_m1=strcat(m_m1,"7");
m_m11=atoi(m_m1);
m_xianshi=m_m11;
}
}
else
{
if(m_pt=='.')
{
m_m2=strcat(m_m2,".");
m_m2=strcat(m_m2,"7");
m_m22=atoi(m_m2);
m_xianshi=m_m22;
m_pt=' ';
}
else
{
m_m2=strcat(m_m2,"7");
m_m22=atoi(m_m2);
m_xianshi=m_m22;
}
}
UpdateData(false);
}
void CYADlg::OnB8()
{
// TODO: Add your control notification handler code here
if(m_flag==' ')
{
if(m_pt=='.')
{
m_m1=strcat(m_m1,".");
m_m1=strcat(m_m1,"8");
m_m11=atoi(m_m1);
m_xianshi=m_m11;
m_pt=' ';
}
else
{
m_m1=strcat(m_m1,"8");
m_m11=atoi(m_m1);
m_xianshi=m_m11;
}
}
else
{
if(m_pt=='.')
{
m_m2=strcat(m_m2,".");
m_m2=strcat(m_m2,"8");
m_m22=atoi(m_m2);
m_xianshi=m_m22;
m_pt=' ';
}
else
{
m_m2=strcat(m_m2,"8");
m_m22=atoi(m_m2);
m_xianshi=m_m22;
}
}
UpdateData(false);
}
void CYADlg::OnB9()
{
// TODO: Add your control notification handler code here
if(m_flag==' ')
{
if(m_pt=='.')
{
m_m1=strcat(m_m1,".");
m_m1=strcat(m_m1,"9");
m_m11=atoi(m_m1);
m_xianshi=m_m11;
m_pt=' ';
}
else
{
m_m1=strcat(m_m1,"9");
m_m11=atoi(m_m1);
m_xianshi=m_m11;
}
}
else
{
if(m_pt=='.')
{
m_m2=strcat(m_m2,".");
m_m2=strcat(m_m2,"9");
m_m22=atoi(m_m2);
m_xianshi=m_m22;
m_pt=' ';
}
else
{
m_m2=strcat(m_m2,"9");
m_m22=atoi(m_m2);
m_xianshi=m_m22;
}
}
UpdateData(false);
}
void CYADlg::OnBcheng()
{
// TODO: Add your control notification handler code here
m_flag='*';
}
void CYADlg::OnBchu()
{
// TODO: Add your control notification handler code here
m_flag='/';
}
void CYADlg::OnBdeng()
{
// TODO: Add your control notification handler code here
switch(m_flag)
{
case '*':m_xianshi=m_m11*m_m22;break;
case '/':m_xianshi=m_m11/m_m22;break;
case '+':m_xianshi=m_m11+m_m22;break;
case '-':m_xianshi=m_m11-m_m22;break;
}
}
void CYADlg::OnBjia()
{
// TODO: Add your control notification handler code here
m_flag='+';
}
void CYADlg::OnBjian()
{
// TODO: Add your control notification handler code here
m_flag='-';
}
void CYADlg::OnBpt()
{
// TODO: Add your control notification handler code here
m_pt='.';
}
