实例介绍
【实例简介】实现计算器的简单计算功能
【实例截图】
// 简单计算器Dlg.cpp : implementation file
//
#include "stdafx.h"
#include "简单计算器.h"
#include "简单计算器Dlg.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
double m1,m2,m3;int aaa,flag;
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()
/////////////////////////////////////////////////////////////////////////////
// CMyDlg dialog
CMyDlg::CMyDlg(CWnd* pParent /*=NULL*/)
: CDialog(CMyDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CMyDlg)
m_input = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CMyDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CMyDlg)
DDX_Text(pDX, IDC_EDIT1, m_input);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CMyDlg, CDialog)
//{{AFX_MSG_MAP(CMyDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
ON_BN_CLICKED(IDC_BUTTON3, OnButton3)
ON_BN_CLICKED(IDC_BUTTON5, OnButton5)
ON_BN_CLICKED(IDC_BUTTON15, OnButton15)
ON_BN_CLICKED(IDC_BUTTON16, OnButton16)
ON_BN_CLICKED(IDC_BUTTON17, OnButton17)
ON_BN_CLICKED(IDC_BUTTON7, OnButton7)
ON_BN_CLICKED(IDC_BUTTON8, OnButton8)
ON_BN_CLICKED(IDC_BUTTON9, OnButton9)
ON_BN_CLICKED(IDC_BUTTON11, OnButton11)
ON_BN_CLICKED(IDC_BUTTON12, OnButton12)
ON_BN_CLICKED(IDC_BUTTON13, OnButton13)
ON_BN_CLICKED(IDC_BUTTON6, OnButton6)
ON_BN_CLICKED(IDC_BUTTON18, OnButton18)
ON_BN_CLICKED(IDC_BUTTON10, OnButton10)
ON_BN_CLICKED(IDC_BUTTON14, OnButton14)
ON_BN_CLICKED(IDC_BUTTON22, OnButton22)
ON_BN_CLICKED(IDC_BUTTON34, OnButton34)
ON_BN_CLICKED(IDC_BUTTON26, OnButton26)
ON_BN_CLICKED(IDC_BUTTON32, OnButton32)
ON_BN_CLICKED(IDC_BUTTON33, OnButton33)
ON_BN_CLICKED(IDC_BUTTON24, OnButton24)
ON_BN_CLICKED(IDC_BUTTON25, OnButton25)
ON_BN_CLICKED(IDC_BUTTON27, OnButton27)
ON_EN_CHANGE(IDC_EDIT1, OnChangeEdit1)
ON_BN_CLICKED(IDC_BUTTON35, OnButton35)
ON_BN_CLICKED(IDC_BUTTON4, OnButton4)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CMyDlg message handlers
BOOL CMyDlg::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 CMyDlg::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 CMyDlg::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 CMyDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CMyDlg::OnButton1()
{
m_input=m_input.Left(m_input.GetLength()-1);
UpdateData(false);
}
void CMyDlg::OnButton3()
{ m_input ="1";
UpdateData(false);
// TODO: Add your control notification handler code here
}
void CMyDlg::OnButton5()
{ m_input ="3";
UpdateData(false);
// TODO: Add your control notification handler code here
}
void CMyDlg::OnButton15()
{ m_input ="4";
UpdateData(false);
// TODO: Add your control notification handler code here
}
void CMyDlg::OnButton16()
{ m_input ="5";
UpdateData(false);
// TODO: Add your control notification handler code here
}
void CMyDlg::OnButton17()
{ m_input ="6";
UpdateData(false);
// TODO: Add your control notification handler code here
}
void CMyDlg::OnButton7()
{ m_input ="7";
UpdateData(false);
// TODO: Add your control notification handler code here
}
void CMyDlg::OnButton8()
{ m_input ="8";
UpdateData(false);
// TODO: Add your control notification handler code here
}
void CMyDlg::OnButton9()
{ m_input ="9";
UpdateData(false);
// TODO: Add your control notification handler code here
}
void CMyDlg::OnButton11()
{ m_input ="0";
UpdateData(false);
// TODO: Add your control notification handler code here
}
void CMyDlg::OnButton12()
{
if(flag==1)
MessageBox("你又搞BUG了");
else{
m_input =".";
UpdateData(false); // TODO: Add your control notification handler code here
flag=1;
}
}
void CMyDlg::OnButton13()
{UpdateData(TRUE);
switch (aaa)
{
case 1:
m2=atof(m_input.GetBuffer(0));
m3=m1 m2;
break;
case 2:
m2=atof(m_input.GetBuffer(0));
m3=m1-m2;
break;
case 3:
m2=atof(m_input.GetBuffer(0));
m3=m1*m2;
break;
case 4:
m2=atof(m_input.GetBuffer(0));
if(m2==0)
MessageBox("被除数不能为0");
else;
{
m3=m1/m2;
}
break;
}
flag=0;
m_input.Format(("%f"),m3);
UpdateData(false);
m_input="";
// TODO: Add your control notification handler code here
}
void CMyDlg::OnButton6()
{
m1=atof(m_input.GetBuffer(0));
aaa=1;
m_input="";
UpdateData(false);
flag=0;
// TODO: Add your control notification handler code here
}
void CMyDlg::OnButton18()
{
m1=atof(m_input.GetBuffer(0));
aaa=2;
m_input="";
UpdateData(false);
flag=0;
// TODO: Add your control notification handler code here
}
void CMyDlg::OnButton10()
{
m1=atof(m_input.GetBuffer(0));
aaa=3;
m_input="";
UpdateData(false);
flag=0; // TODO: Add your control notification handler code here
}
void CMyDlg::OnButton14()
{
m1=atof(m_input.GetBuffer(0));
aaa=4;
m_input="";
UpdateData(false);
flag=0; // TODO: Add your control notification handler code here
}
void CMyDlg::OnButton22()
{
m1=atof(m_input.GetBuffer(0));
m2=sqrt(m1);
m_input.Format(("%f"),m2);
UpdateData(false);
flag=0;// TODO: Add your control notification handler code here
}
void CMyDlg::OnButton34()
{
m1=atof(m_input.GetBuffer(0));
m2=m1*m1;
m_input.Format(("%f"),m2);
UpdateData(false);
flag=0;// TODO: Add your control notification handler code here
}
void CMyDlg::OnButton26()
{
m1=atof(m_input.GetBuffer(0));
m2=m1*m1*m1;
m_input.Format(("%f"),m2);
UpdateData(false);
flag=0;
// TODO: Add your control notification handler code here
}
void CMyDlg::OnButton32()
{
m1=atof(m_input.GetBuffer(0));
m2=sin(m1);
m_input.Format(("%f"),m2);
UpdateData(false);
flag=0; // TODO: Add your control notification handler code here
}
void CMyDlg::OnButton33()
{
m1=atof(m_input.GetBuffer(0));
m2=cos(m1);
m_input.Format(("%f"),m2);
UpdateData(false);
flag=0;// TODO: Add your control notification handler code here
}
void CMyDlg::OnButton24()
{
m1=atof(m_input.GetBuffer(0));
m2=tan(m1);
m_input.Format(("%f"),m2);
UpdateData(false);
flag=0;// TODO: Add your control notification handler code here
}
void CMyDlg::OnButton25()
{
m1=atof(m_input.GetBuffer(0));
m2=1/tan(m1);
m_input.Format(("%f"),m2);
UpdateData(false);
flag=0;// TODO: Add your control notification handler code here
}
void CMyDlg::OnButton27()
{
m1=atof(m_input.GetBuffer(0));
m2=1/m1;
m_input.Format(("%f"),m2);
UpdateData(false);
flag=0;// TODO: Add your control notification handler code here
}
void CMyDlg::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 CMyDlg::OnButton35()
{
// TODO: Add your control notification handler code here
m_input="";
UpdateData(0);
flag=0;
}
void CMyDlg::OnButton4()
{
m_input ="2";
UpdateData(false); // TODO: Add your control notification handler code here
}
【核心代码】
.
├── testPPI.suo
├── 好例子网_简单计算器.rar
└── 简单计算器
├── Debug
│ ├── StdAfx.obj
│ ├── vc60.idb
│ ├── vc60.pdb
│ ├── 简单计算器.exe
│ ├── 简单计算器.ilk
│ ├── 简单计算器.obj
│ ├── 简单计算器.pch
│ ├── 简单计算器.pdb
│ ├── 简单计算器.res
│ └── 简单计算器Dlg.obj
├── ReadMe.txt
├── Resource.h
├── StdAfx.cpp
├── StdAfx.h
├── res
│ ├── 简单计算器.ico
│ └── 简单计算器.rc2
├── 简单计算器.aps
├── 简单计算器.clw
├── 简单计算器.cpp
├── 简单计算器.dsp
├── 简单计算器.dsw
├── 简单计算器.h
├── 简单计算器.ncb
├── 简单计算器.opt
├── 简单计算器.plg
├── 简单计算器.rc
├── 简单计算器Dlg.cpp
└── 简单计算器Dlg.h
3 directories, 30 files
标签： 简单计算器
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