VC编写计算器

1、VC+写的计算器程序源代码课设了，用vc+写了一个计算器小程序，一个系差不多都用的我的代码，最高兴的是自己可以想到用bool变量来区分整数和小数，还有就是在连续运算的时候我没有用大家都用的复制代码的方法，而是用数组实现了。有点小兴奋，把代码贴上来，呵呵，望大家多多提意见严格意义上说这是我的第一个像样的MFC小程序。（对话框控件变量，消息处理函数的关联以及变量的声明和初始化省略）/ jisuanqiDlg.cpp : implementation file/#include "stdafx.h"#include "jisuanqi.h"#include &

2、quot;jisuanqiDlg.h"#include "math.h"#ifdef _DEBUG#define new DEBUG_NEW#undef THIS_FILEstatic char THIS_FILE = _FILE_;#endif/ CAboutDlg dialog used for App Aboutclass CAboutDlg : public CDialogpublic: CAboutDlg();/ Dialog Data /AFX_DATA(CAboutDlg) enum IDD = IDD_ABOUTBOX

3、 ; /AFX_DATA / ClassWizard generated virtual function overrides /AFX_VIRTUAL(CAboutDlg) protected: virtual void DoDataExchange(CDataExchange* pDX);    / DDX/DDV support /AFX_VIRTUAL/ Implementationprotected: /AFX_MSG(CAboutDlg) /AFX_MSG DEC

4、LARE_MESSAGE_MAP();CAboutDlg:CAboutDlg() : CDialog(CAboutDlg:IDD) /AFX_DATA_INIT(CAboutDlg) /AFX_DATA_INITvoid CAboutDlg:DoDataExchange(CDataExchange* pDX) CDialog:DoDataExchange(pDX); /AFX_DATA_MAP(CAboutDlg) /AFX_DATA_MAPBEGIN_MESSAGE_MAP(CAboutDlg, CDialog) /AFX_MSG_

5、MAP(CAboutDlg)  / No message handlers /AFX_MSG_MAPEND_MESSAGE_MAP()/ CJisuanqiDlg dialogCJisuanqiDlg:CJisuanqiDlg(CWnd* pParent ) : CDialog(CJisuanqiDlg:IDD, pParent) /AFX_DATA_INIT(CJisuanqiDlg) m_num = 0.0; /AFX_DATA_INIT / Note that LoadIcon does not requir

6、e 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_MAPBEGIN_MESSAGE_MAP(CJisuanqiDlg, C

7、Dialog) /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

8、(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_

9、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

10、, OnButtonclear) ON_BN_CLICKED(IDC_BUTTON19, OnButtonkaifang) ON_BN_CLICKED(IDC_BUTTON20, OnButtonziranduishu) ON_BN_CLICKED(IDC_BUTTON21, OnButtonchangyongduishu) /AFX_MSG_MAPEND_MESSAGE_MAP()/ CJisuanqiDlg message handlersBOOL CJisuanqiDlg:OnInitDialog()/初始化变量 CDialog:OnIn

11、itDialog(); / 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) 

12、60; CString strAboutMenu;  strAboutMenu.LoadString(IDS_ABOUTBOX);  if (!strAboutMenu.IsEmpty()     pSysMenu->AppendMenu(MF_SEPARATOR);   pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);    / Set th

13、e 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 h

14、ere 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 controlvoid CJisuanqiDlg:OnSysCommand(UINT nID, LPARAM lParam) if (nID & 0xFFF0) = IDM_ABOUTBOX)   CAboutDlg dlg

15、About;  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 d

16、one 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

17、(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);

18、0; 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

19、 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 ha

20、ndler 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 handl

21、er 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 ha

22、ndler 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

23、 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 ha

24、ndler 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

25、 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 notificat

26、ion 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 notifi

27、cation 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 not

28、ification 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:

29、 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 '+':       

30、;    m_num=m_num+m_lnum;            UpdateData(FALSE);          break;        case '-':         &

31、#160;   m_num=m_snum-m_num;          UpdateData(FALSE);          break;        case '*':           

32、60; m_num=m_mnum*m_num;          UpdateData(FALSE);          break;        case '/':             if(m_num=0

33、)         MessageBox("除数不能是0！");                            else       

34、0;           m_num=m_cnum/m_num;        UpdateData(FALSE);        break;          t=true;void CJisuanqiDlg:OnButtonMul() 

35、;/ 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

36、_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;

37、60;    addap=m_num;  p+;       for(q=0;q<=p;q+)       m_lnum=m_lnum+addaq;    q+;        m_num=m_lnum;  UpdateData(FALSE);  m_num=0;  m_snum=m_