用MFC做的计算器，帮看一下有什么错误，要输入的2个数老显示不出来
// caculaterDlg.cpp : implementation file//
#include "stdafx.h"
#include "caculater.h"
#include "CaculaterDlg.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()
/////////////////////////////////////////////////////////////////////////////
// CCaculaterDlg dialog
CCaculaterDlg::CCaculaterDlg(CWnd* pParent /*=NULL*/)
: CDialog(CCaculaterDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CCaculaterDlg)
m_num1 = 0.0;
m_num2 = 0.0;
m_result = 0.0;
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CCaculaterDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CCaculaterDlg)
DDX_Control(pDX, IDC_EDIT3, m_CResult);
DDX_Text(pDX, IDC_EDIT1, m_num1);
DDX_Text(pDX, IDC_EDIT2, m_num2);
DDX_Text(pDX, IDC_EDIT3, m_result);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CCaculaterDlg, CDialog)
//{{AFX_MSG_MAP(CCaculaterDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
ON_BN_CLICKED(IDC_BUTTON3, OnButton3)
ON_BN_CLICKED(IDC_BUTTON_jian, OnBUTTONjian)
ON_BN_CLICKED(IDC_BUTTON0, OnButton0)
ON_BN_CLICKED(IDC_BUTTON_xiaoshudian, OnBUTTONxiaoshudian)
ON_BN_CLICKED(IDC_BUTTON_jia, OnBUTTONjia)
ON_BN_CLICKED(IDC_BUTTON4, OnButton4)
ON_BN_CLICKED(IDC_BUTTON5, OnButton5)
ON_BN_CLICKED(IDC_BUTTON6, OnButton6)
ON_BN_CLICKED(IDC_BUTTON_cheng, OnBUTTONcheng)
ON_BN_CLICKED(IDC_BUTTON7, OnButton7)
ON_BN_CLICKED(IDC_BUTTON8, OnButton8)
ON_BN_CLICKED(IDC_BUTTON9, OnButton9)
ON_BN_CLICKED(IDC_BUTTON_chu, OnBUTTONchu)
ON_BN_CLICKED(IDC_BUTTON_qingling, OnBUTTONqingling)
ON_BN_CLICKED(IDC_BUTTON18, OnButton18)
ON_EN_CHANGE(IDC_EDIT1, OnChangeEdit1)
ON_EN_CHANGE(IDC_EDIT2, OnChangeEdit2)
ON_EN_CHANGE(IDC_EDIT3, OnChangeEdit3)
ON_EN_SETFOCUS(IDC_EDIT1, OnSetfocusEdit1)
ON_EN_SETFOCUS(IDC_EDIT2, OnSetfocusEdit2)
ON_WM_LBUTTONDOWN()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CCaculaterDlg message handlers
double nEditFlag;
BOOL CCaculaterDlg::OnInitDialog()
{
CDialog::OnInitDialog();
nEditFlag=0;
// 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 CCaculaterDlg::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 CCaculaterDlg::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 CCaculaterDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CCaculaterDlg::OnButton1()
{
// TODO: Add your control notification handler code here
UpdateData(true);
if ( nEditFlag==1)
{
m_num1=m_num1*10+1;
}
else if (nEditFlag==2)
{
m_num2=m_num2*10+1;
}
UpdateData(false);
}
void CCaculaterDlg::OnButton2()
{
// TODO: Add your control notification handler code here
if ( nEditFlag==1)
{
m_num1=m_num1*10+2;
}
else if (nEditFlag==2)
{
m_num2=m_num2*10+2;
}
UpdateData(false);
}
void CCaculaterDlg::OnButton3()
{
// TODO: Add your control notification handler code here
if ( nEditFlag==1)
{
m_num1=m_num1*10+3;
}
else if (nEditFlag==2)
{
m_num2=m_num2*10+3;
}
UpdateData(false);
}
void CCaculaterDlg::OnBUTTONjian()
{
// TODO: Add your control notification handler code here
UpdateData();
double n_result;
n_result = m_num1 - m_num2;
m_result = n_result;
char sz[20];
sprintf(sz,"%f",m_result);
m_CResult.SetWindowText(sz);
}
void CCaculaterDlg::OnButton0()
{
// TODO: Add your control notification handler code here
if ( nEditFlag==1)
{
m_num1=m_num1*10+0;
}
else if (nEditFlag==2)
{
m_num2=m_num2*10+0;
}
UpdateData(false);
}
void CCaculaterDlg::OnBUTTONxiaoshudian()
{
// TODO: Add your control notification handler code here
}
void CCaculaterDlg::OnBUTTONjia()
{
// TODO: Add your control notification handler code here
UpdateData();
double n_result;
n_result = m_num1 + m_num2;
m_result = n_result;
char sz[20];
sprintf(sz,"%f",m_result);
m_CResult.SetWindowText(sz);
}
void CCaculaterDlg::OnButton4()
{
// TODO: Add your control notification handler code here
if ( nEditFlag==1)
{
m_num1=m_num1*10+4;
}
else if (nEditFlag==2)
{
m_num2=m_num2*10+4;
}
UpdateData(false);
}
void CCaculaterDlg::OnButton5()
{
// TODO: Add your control notification handler code here
if ( nEditFlag==1)
{
m_num1=m_num1*10+5;
}
else if (nEditFlag==2)
{
m_num2=m_num2*10+5;
}
UpdateData(false);
}
void CCaculaterDlg::OnButton6()
{
// TODO: Add your control notification handler code here
if ( nEditFlag==1)
{
m_num1=m_num1*10+6;
}
else if (nEditFlag==2)
{
m_num2=m_num2*10+6;
}
UpdateData(false);
}
void CCaculaterDlg::OnBUTTONcheng()
{
// TODO: Add your control notification handler code here
UpdateData();
double n_result;
n_result = m_num1 * m_num2;
m_result = n_result;
char sz[20];
sprintf(sz,"%f",m_result);
m_CResult.SetWindowText(sz);
}
void CCaculaterDlg::OnButton7()
{
// TODO: Add your control notification handler code here
if ( nEditFlag==1)
{
m_num1=m_num1*10+7;
}
else if (nEditFlag==2)
{
m_num2=m_num2*10+7;
}
UpdateData(false);
}
void CCaculaterDlg::OnButton8()
{
// TODO: Add your control notification handler code here
if ( nEditFlag==1)
{
m_num1=m_num1*10+8;
}
else if (nEditFlag==2)
{
m_num2=m_num2*10+8;
}
UpdateData(false);
}
void CCaculaterDlg::OnButton9()
{
// TODO: Add your control notification handler code here
if ( nEditFlag==1)
{
m_num1=m_num1*10+9;
}
else if (nEditFlag==2)
{
m_num2=m_num2*10+9;
}
UpdateData(false);
}
void CCaculaterDlg::OnBUTTONchu()
{
// TODO: Add your control notification handler code here
UpdateData();
double n_result;
n_result = m_num1 / m_num2;
m_result = n_result;
char sz[20];
sprintf(sz,"%f",m_result);
m_CResult.SetWindowText(sz);
}
void CCaculaterDlg::OnBUTTONqingling()
{
// TODO: Add your control notification handler code here
UpdateData(true);
m_num1=0;
m_num2=0;
m_result=0;
UpdateData(false);
}
void CCaculaterDlg::OnButton18()
{
// TODO: Add your control notification handler code here
}
void CCaculaterDlg::OnChangeEdit1()
{
// TODO: If this is a RICHEDIT control, the control will not
// send this notification unless you override the CDialog::OnInitDialog()
// function and call CRichEditCtrl().SetEventMask()
// with the ENM_CHANGE flag ORed into the mask.
// TODO: Add your control notification handler code here
}
void CCaculaterDlg::OnChangeEdit2()
{
// TODO: If this is a RICHEDIT control, the control will not
// send this notification unless you override the CDialog::OnInitDialog()
// function and call CRichEditCtrl().SetEventMask()
// with the ENM_CHANGE flag ORed into the mask.
// TODO: Add your control notification handler code here
}
void CCaculaterDlg::OnChangeEdit3()
{
// TODO: If this is a RICHEDIT control, the control will not
// send this notification unless you override the CDialog::OnInitDialog()
// function and call CRichEditCtrl().SetEventMask()
// with the ENM_CHANGE flag ORed into the mask.
// TODO: Add your control notification handler code here
}
/*void CCaculaterDlg::OnLButtonDown(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
CDialog::OnLButtonDown(nFlags, point);
}*/
void CCaculaterDlg::OnSetfocusEdit1()
{
// TODO: Add your control notification handler code here
nEditFlag=1;
}
void CCaculaterDlg::OnSetfocusEdit2()
{
// TODO: Add your control notification handler code here
nEditFlag=2;
}
caculater.rar
