MFC实现简易计算器源码

// CaculatorDlg.cpp : implementation file // #include "stdafx.h" #include "Caculator.h" #include "CaculatorDlg.h" #include <math.h> #include <iostream> #include <stdlib.h> using namespace std; #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif int iCount = 0; DOUBLE iNum1 = 0.0; DOUBLE iNum2 = 0.0; DOUBLE iResult = 0.0; char cSymble = ' '; ///////////////////////////////////////////////////////////////////////////// // 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() ///////////////////////////////////////////////////////////////////////////// // CCaculatorDlg dialog CCaculatorDlg::CCaculatorDlg(CWnd* pParent /*=NULL*/) : CDialog(CCaculatorDlg::IDD, pParent) { //{{AFX_DATA_INIT(CCaculatorDlg) m_Value = 0.0; //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CCaculatorDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CCaculatorDlg) DDX_Text(pDX, IDC_EDIT1, m_Value); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CCaculatorDlg, CDialog) //{{AFX_MSG_MAP(CCaculatorDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDCANCEL, OnQuit) ON_BN_CLICKED(IDC_BUTTON2, OnButton2) ON_BN_CLICKED(IDC_BUTTON3, OnButton3) ON_BN_CLICKED(IDC_BUTTON4, OnButton4) ON_BN_CLICKED(IDC_BUTTON5, OnButton5) ON_BN_CLICKED(IDC_BUTTON6, OnButton6) ON_BN_CLICKED(IDC_BUTTON7, OnButton7) ON_BN_CLICKED(IDC_BUTTON8, OnButton8) ON_BN_CLICKED(IDC_BUTTON9, OnButton9) ON_BN_CLICKED(IDC_BUTTON10, OnButton10) ON_BN_CLICKED(IDC_BUTTON11, OnButton11) ON_BN_CLICKED(IDC_BUTTON14, OnAdd) ON_BN_CLICKED(IDC_BUTTON1, OnResult) ON_BN_CLICKED(IDC_BUTTON15, OnSub) ON_BN_CLICKED(IDC_BUTTON16, OnMul) ON_BN_CLICKED(IDC_BUTTON17, OnDev) ON_BN_CLICKED(IDC_BUTTON22, OnClear) ON_BN_CLICKED(IDC_BUTTON12, OnSqure) ON_BN_CLICKED(IDC_BUTTON13, OnSqrt) ON_BN_CLICKED(IDC_BUTTON18, OnBinary) ON_BN_CLICKED(IDC_BUTTON20, OnDecimal) ON_BN_CLICKED(IDC_BUTTON21, OnHexaDecimal) ON_BN_CLICKED(IDC_BUTTON19, OnOctalDecimal) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CCaculatorDlg message handlers BOOL CCaculatorDlg::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 CCaculatorDlg::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 CCaculatorDlg::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 CCaculatorDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CCaculatorDlg::OnQuit() { // TODO: Add your control notification handler code here CDialog::OnCancel(); } void CCaculatorDlg::OnButton2() { // TODO: Add your control notification handler code here iCount = iCount * 10 + 1; m_Value = iCount; UpdateData(FALSE); } void CCaculatorDlg::OnButton3() { // TODO: Add your control notification handler code here iCount = iCount * 10 + 2; m_Value = iCount; UpdateData(FALSE); } void CCaculatorDlg::OnButton4() { // TODO: Add your control notification handler code here iCount = iCount * 10 + 3; m_Value = iCount; UpdateData(FALSE); } void CCaculatorDlg::OnButton5() { // TODO: Add your control notification handler code here iCount = iCount * 10 + 4; m_Value = iCount; UpdateData(FALSE); } void CCaculatorDlg::OnButton6() { // TODO: Add your control notification handler code here iCount = iCount * 10 + 5; m_Value = iCount; UpdateData(FALSE); } void CCaculatorDlg::OnButton7() { // TODO: Add your control notification handler code here iCount = iCount * 10 + 6; m_Value = iCount; UpdateData(FALSE); } void CCaculatorDlg::OnButton8() { // TODO: Add your control notification handler code here iCount = iCount * 10 + 7; m_Value = iCount; UpdateData(FALSE); } void CCaculatorDlg::OnButton9() { // TODO: Add your control notification handler code here iCount = iCount * 10 + 8; m_Value = iCount; UpdateData(FALSE); } void CCaculatorDlg::OnButton10() { // TODO: Add your control notification handler code here iCount = iCount * 10 + 9; m_Value = iCount; UpdateData(FALSE); } void CCaculatorDlg::OnButton11() { // TODO: Add your control notification handler code here iCount = iCount * 10 + 0; m_Value = iCount; UpdateData(FALSE); } void CCaculatorDlg::OnAdd() { // TODO: Add your control notification handler code here iNum1 = m_Value; GetDlgItem(IDC_EDIT1)-> SetWindowText( "+"); cSymble = '+'; iCount = 0; } void CCaculatorDlg::OnSub() { // TODO: Add your control notification handler code here iNum1 = m_Value; GetDlgItem(IDC_EDIT1)-> SetWindowText( "-"); cSymble = '-'; iCount = 0; } void CCaculatorDlg::OnMul() { // TODO: Add your control notification handler code here iNum1 = m_Value; GetDlgItem(IDC_EDIT1)-> SetWindowText( "*"); cSymble = '*'; iCount = 0; } void CCaculatorDlg::OnDev() { // TODO: Add your control notification handler code here iNum1 = m_Value; GetDlgItem(IDC_EDIT1)-> SetWindowText( "/"); cSymble = '/'; iCount = 0; } void CCaculatorDlg::OnResult() { // TODO: Add your control notification handler code here iNum2 = m_Value; char buffer[256]; switch(cSymble) { case '+': { iResult = iNum2 + iNum1;