VC++模拟计算器程序

三天内给出答案，并运行着加100分！

问题描述

设计一个程序来模拟一个简单的手持计算器。程序支持算术运算+、-、*、/、=、以及Ｃ（清除）、A（全清除）操作。

基本要求

程序运行时，显示一个窗口，等待用户输入，用户可以从键盘输入要计算的表达式，输入的表达式显示在窗口中，用户键入’=’ 符号后，窗口显示出结果。

测试数据

程序输入不少于5种不同的表达式进行测试。

实现提示

可定义一个计算器类，该类包括两个组件对象，一个计算引擎和一个用户接口，用户接口对象处理接受的键盘输入信息，并显示答案，计算引擎对象对给出的数据执行相应操作，并存储操作的结果。

选作内容

如果用户输入的表达式不合法，可以判别出来并给出相应的错误提示。

呵呵,VC++没写过,只写过.NET的计算器.

// jisuanqiDlg.cpp : implementation file // #include "stdafx.h" #include "jisuanqi.h" #include "jisuanqiDlg.h" #include "math.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() ///////////////////////////////////////////////////////////////////////////// // CJisuanqiDlg dialog CJisuanqiDlg::CJisuanqiDlg(CWnd* pParent ) : CDialog(CJisuanqiDlg::IDD, pParent) { //{{AFX_DATA_INIT(CJisuanqiDlg) m_num = 0.0; //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CJisuanqiDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CJisuanqiDlg) DDX_Text(pDX, IDC_EDIT1, m_num); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CJisuanqiDlg, CDialog) //{{AFX_MSG_MAP(CJisuanqiDlg) 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_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_BUTTON14, OnButton0) ON_BN_CLICKED(IDC_BUTTON15, OnButtonPoint) ON_BN_CLICKED(IDC_BUTTON16, OnButtonEqual) ON_BN_CLICKED(IDC_BUTTON13, OnButtonChu) ON_BN_CLICKED(IDC_BUTTON12, OnButtonMul) ON_BN_CLICKED(IDC_BUTTON11, OnButtonSub) ON_BN_CLICKED(IDC_BUTTON10, OnButtonAdd) ON_BN_CLICKED(IDC_BUTTON17, OnButtondelet) ON_BN_CLICKED(IDC_BUTTON18, OnButtonclear) ON_BN_CLICKED(IDC_BUTTON19, OnButtonkaifang) ON_BN_CLICKED(IDC_BUTTON20, OnButtonziranduishu) ON_BN_CLICKED(IDC_BUTTON21, OnButtonchangyongduishu) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CJisuanqiDlg message handlers BOOL CJisuanqiDlg::OnInitDialog()//初始化变量 { 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 t=true; j=true; i=10; p=0; q=0; m_num=0; m_lnum=0; return TRUE; // return TRUE unless you set the focus to a control } void CJisuanqiDlg::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 CJisuanqiDlg::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 CJisuanqiDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CJisuanqiDlg::OnButton1() { // TODO: Add your control notification handler code here if(t) { m_num=m_num*10+1; UpdateData(FALSE); } else { m_num=m_num+1.0/i; i*=10; UpdateData(FALSE); } } void CJisuanqiDlg::OnButton2() { // TODO: Add your control notification handler code here if(t) { m_num=m_num*10+2; UpdateData(FALSE); } else { m_num=m_num+2.0/i; i*=10; UpdateData(FALSE); } } void CJisuanqiDlg::OnButton3() { // TODO: Add your control notification handler code here if(t) { m_num=m_num*10+3; UpdateData(FALSE); } else { m_num=m_num+3.0/i; i*=10; UpdateData(FALSE); } } void CJisuanqiDlg::OnButton4() { // TODO: Add your control notification handler code here if(t) { m_num=m_num*10+4; UpdateData(FALSE); } else { m_num=m_num+4.0/i; i*=10; UpdateData(FALSE); } } void CJisuanqiDlg::OnButton5() { // TODO: Add your control notification handler code here if(t) { m_num=m_num*10+5; UpdateData(FALSE); } else { m_num=m_num+5.0/i; i*=10; UpdateData(FALSE); } } void CJisuanqiDlg::OnButton6() { // TODO: Add your control notification handler code here if(t) { m_num=m_num*10+6; UpdateData(FALSE); } else { m_num=m_num+6.0/i; i*=10; UpdateData(FALSE); } } void CJisuanqiDlg::OnButton7() { // TODO: Add your control notification handler code here if(t) { m_num=m_num*10+7; UpdateData(FALSE); } else { m_num=m_num+7.0/i; i*=10; UpdateData(FALSE); } } void CJisuanqiDlg::OnButton8() { // TODO: Add your control notification handler code here if(t) { m_num=m_num*10+8; UpdateData(FALSE); } else { m_num=m_num+8.0/i; i*=10; UpdateData(FALSE); } } void CJisuanqiDlg::OnButton9() { // TODO: Add your control notification handler code here if(t) { m_num=m_num*10+9; UpdateData(FALSE); } else { m_num=m_num+9.0/i; i*=10; UpdateData(FALSE); } } void CJisuanqiDlg::OnButton0() { // TODO: Add your control notification handler code here //UpdateData(); if(t) { m_num=m_num*10+0; UpdateData(FALSE); } else { m_num=m_num+0.0/i; i*=10; UpdateData(FALSE); } } void CJisuanqiDlg::OnButtonPoint() { // TODO: Add your control notification handler code here int i=10; t=false; } void CJisuanqiDlg::OnButtonEqual() { // TODO: Add your control notification handler code here switch(r) { case '+': { m_num=m_num+m_lnum; UpdateData(FALSE); break; } case '-': { m_num=m_snum-m_num; UpdateData(FALSE); break; } case '*': { m_num=m_mnum*m_num; UpdateData(FALSE); break; } case '/': { if(m_num==0) { MessageBox("除数不能是0！"); } else { m_num=m_cnum/m_num; UpdateData(FALSE); break; } } } t=true; } void CJisuanqiDlg::OnButtonMul() { // TODO: Add your control notification handler code here r='*'; t=true; m_mnum=m_num; m_num=0; UpdateData(FALSE); } void CJisuanqiDlg::OnButtonChu() { // TODO: Add your control notification handler code here r='/'; t=true; i=10; m_cnum=m_num; m_num=0; UpdateData(FALSE); } void CJisuanqiDlg::OnButtonSub() { // TODO: Add your control notification handler code here r='-'; i=10; t=true; if(j) { m_snum=m_num; } else { p=0; adda[p]=m_num; p++; for(q=0;q<=p;q++) { m_lnum=m_lnum+adda[q]; q++; } m_num=m_lnum; UpdateData(FALSE); m_num=0; m_snum=m_lnum; } m_num=0; } void CJisuanqiDlg::OnButtonAdd() { // TODO: Add your control notification handler code here r='+'; t=true; j=false; i=10; p=0; adda[p]=m_num; p++; for(q=0;q<=p;q++) { m_lnum=m_lnum+adda[q]; q++; } m_num=m_lnum; UpdateData(FALSE); m_num=0; } void CJisuanqiDlg::OnButtondelet() { // TODO: Add your control notification handler code here int p; p=m_num/10; m_num=p; UpdateData(FALSE); } void CJisuanqiDlg::OnButtonclear() { // TODO: Add your control notification handler code here t=true; i=10; j=true; m_num=0; m_lnum=0; UpdateData(FALSE); } void CJisuanqiDlg::OnButtonkaifang() { // TODO: Add your control notification handler code here m_num=sqrt(m_num); UpdateData(FALSE); } void CJisuanqiDlg::OnButtonziranduishu() { // TODO: Add your control notification handler code here m_num=log(m_num); UpdateData(FALSE); } void CJisuanqiDlg::OnButtonchangyongduishu() { // TODO: Add your control notification handler code here m_num=log10(m_num); UpdateData(FALSE); }