求用VC++6.0编写的计算器源代码
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///////这是在计算器.h的头文件中
// 计算机.h : main header file for the 计算机 application
//
#if !defined(AFX__H__89A59E9C_4F19_4A90_8E5F_0BD797971356__INCLUDED_)
#define AFX__H__89A59E9C_4F19_4A90_8E5F_0BD797971356__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#ifndef __AFXWIN_H__
#error include 'stdafx.h' before including this file for PCH
#endif
#include "resource.h" // main symbols
/////////////////////////////////////////////////////////////////////////////
// CMyApp:
// See 计算机.cpp for the implementation of this class
//
class CMyApp : public CWinApp
{
public:
CMyApp();
// Overrides
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CMyApp)
public:
virtual BOOL InitInstance();
//}}AFX_VIRTUAL
// Implementation
//{{AFX_MSG(CMyApp)
// NOTE - the ClassWizard will add and remove member functions here.
// DO NOT EDIT what you see in these blocks of generated code !
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
/////////////////////////////////////////////////////////////////////////////
//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.
#endif // !defined(AFX__H__89A59E9C_4F19_4A90_8E5F_0BD797971356__INCLUDED_)
/////////这是在计算器Dlg.h的头文件中
// 计算机Dlg.h : header file
//
#if !defined(AFX_DLG_H__903B19D8_E035_477A_AC56_3E449141C8B4__INCLUDED_)
#define AFX_DLG_H__903B19D8_E035_477A_AC56_3E449141C8B4__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
/////////////////////////////////////////////////////////////////////////////
// CMyDlg dialog
class CMyDlg : public CDialog
{
// Construction
public:
CMyDlg(CWnd* pParent = NULL); // standard constructor
// Dialog Data
//{{AFX_DATA(CMyDlg)
enum { IDD = IDD_MY_DIALOG };
CString m_result;
//}}AFX_DATA
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CMyDlg)
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
//}}AFX_VIRTUAL
// Implementation
protected:
HICON m_hIcon;
//新增变量
CString num1,num2;
BOOL isresult; //判断第一个数据是否输入完成，用于区分第一个与第二个数据的标记
int witch; //用来标记运算符号
double result2;
// Generated message map functions
//{{AFX_MSG(CMyDlg)
virtual BOOL OnInitDialog();
afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
afx_msg void OnPaint();
afx_msg HCURSOR OnQueryDragIcon();
afx_msg void OnButton1();
afx_msg void OnButton2();
afx_msg void OnButton3();
afx_msg void OnButton4();
afx_msg void OnButton5();
afx_msg void OnButton6();
afx_msg void OnButton7();
afx_msg void OnButton8();
afx_msg void OnButton9();
afx_msg void OnButton0();
afx_msg void OnBUTTONAdd();
afx_msg void OnBUTTONMinus();
afx_msg void OnBUTTONMultiply();
afx_msg void OnBUTTONDivide();
afx_msg void OnBUTTONequal();
afx_msg void OnBUTTONClear();
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.
#endif // !defined(AFX_DLG_H__903B19D8_E035_477A_AC56_3E449141C8B4__INCLUDED_)
///////////////这是在计算器Dlg.cpp的C++源文件中
// 计算机Dlg.cpp : implementation file
//
#include "stdafx.h"
#include "计算机.h"
#include "计算机Dlg.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()
/////////////////////////////////////////////////////////////////////////////
// CMyDlg dialog
CMyDlg::CMyDlg(CWnd* pParent /*=NULL*/)
: CDialog(CMyDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CMyDlg)
m_result = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
//初始化变量
num1 = "";
num2 = "";
isresult = FALSE;
witch = 0;
result2 = 0.0;
}
void CMyDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CMyDlg)
DDX_Text(pDX, IDC_EDIT1, m_result);
DDV_MaxChars(pDX, m_result, 10);
//}}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_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_BUTTON0, OnButton0)
ON_BN_CLICKED(IDC_BUTTON_Add, OnBUTTONAdd)
ON_BN_CLICKED(IDC_BUTTON_Minus, OnBUTTONMinus)
ON_BN_CLICKED(IDC_BUTTON_Multiply, OnBUTTONMultiply)
ON_BN_CLICKED(IDC_BUTTON_Divide, OnBUTTONDivide)
ON_BN_CLICKED(IDC_BUTTON_equal, OnBUTTONequal)
ON_BN_CLICKED(IDC_BUTTON_Clear, OnBUTTONClear)
//}}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() //设置显示数字1
{
// TODO: Add your control notification handler code here
if( isresult == false )
{
num1 += "1"; //"+"是字符串连接符
m_result = num1;
UpdateData(FALSE); //拷贝变量值到控件显示
}
if( isresult == true )
{
num2 += "1";
m_result = num2;
UpdateData(FALSE);
}
}
void CMyDlg::OnButton2() //设置显示数字2
{
// TODO: Add your control notification handler code here
if( isresult == false )
{
num1 += "2";
m_result = num1;
UpdateData(FALSE);
}
if( isresult == true )
{
num2 += "2";
m_result = num2;
UpdateData(FALSE);
}
}
void CMyDlg::OnButton3() //设置显示数字3
{
// TODO: Add your control notification handler code here
if( isresult == false )
{
num1 += "3";
m_result = num1;
UpdateData(FALSE);
}
if( isresult == true )
{
num2 += "3";
m_result = num2;
UpdateData(FALSE);
}
}
void CMyDlg::OnButton4() //设置显示数字4
{
// TODO: Add your control notification handler code here
if( isresult == false )
{
num1 += "4";
m_result = num1;
UpdateData(FALSE);
}
if( isresult == true )
{
num2 += "4";
m_result = num2;
UpdateData(FALSE);
}
}
void CMyDlg::OnButton5() //设置显示数字5
{
// TODO: Add your control notification handler code here
if( isresult == false )
{
num1 += "5";
m_result = num1;
UpdateData(FALSE);
}
if( isresult == true )
{
num2 += "5";
m_result = num2;
UpdateData(FALSE);
}
}
void CMyDlg::OnButton6() //设置显示数字6
{
// TODO: Add your control notification handler code here
if( isresult == false )
{
num1 += "6";
m_result = num1;
UpdateData(FALSE);
}
if( isresult == true )
{
num2 += "6";
m_result = num2;
UpdateData(FALSE);
}
}
void CMyDlg::OnButton7() //设置显示数字7
{
// TODO: Add your control notification handler code here
if( isresult == false )
{
num1 += "7";
m_result = num1;
UpdateData(FALSE);
}
if( isresult == true )
{
num2 += "7";
m_result = num2;
UpdateData(FALSE);
}
}
void CMyDlg::OnButton8() //设置显示数字8
{
// TODO: Add your control notification handler code here
if( isresult == false )
{
num1 += "8";
m_result = num1;
UpdateData(FALSE);
}
if( isresult == true )
{
num2 += "8";
m_result = num2;
UpdateData(FALSE);
}
}
void CMyDlg::OnButton9() //设置显示数字9
{
// TODO: Add your control notification handler code here
if( isresult == false )
{
num1 += "9";
m_result = num1;
UpdateData(FALSE);
}
if( isresult == true )
{
num2 += "9";
m_result = num2;
UpdateData(FALSE);
}
}
void CMyDlg::OnButton0() //设置显示数字0
{
// TODO: Add your control notification handler code here
if( isresult == false )
{
num1 += "0";
m_result = num1;
UpdateData(FALSE);
}
if( isresult == true )
{
num2 += "0";
m_result = num2;
UpdateData(FALSE);
}
}
void CMyDlg::OnBUTTONAdd() //设置加法运算
{
// TODO: Add your control notification handler code here
isresult = TRUE;
witch = 1; //加减乘除依次为1，2，3，4
}
void CMyDlg::OnBUTTONMinus() //设置减法运算
{
// TODO: Add your control notification handler code here
isresult = TRUE;
witch = 2;
}
void CMyDlg::OnBUTTONMultiply() //设置乘法运算
{
// TODO: Add your control notification handler code here
isresult = TRUE;
witch = 3;
}
void CMyDlg::OnBUTTONDivide() //设置除法运算
{
// TODO: Add your control notification handler code here
isresult = TRUE;
witch = 4;
}
void CMyDlg::OnBUTTONequal() //设置等号运算
{
// TODO: Add your control notification handler code here
double result = 0.0;
switch(witch) //判断加减乘除并对它做相应的处理
{
case 1: result = atof(num1) + atof(num2); //atof是将CString类型的串强制转换为实型变量
break;
case 2: result = atof(num1) - atof(num2);
break;
case 3: result = atof(num1) * atof(num2);
break;
case 4: result = atof(num1) / atof(num2);
break;
default:AfxMessageBox("程序出错!");
break;
}
m_result.Format("%f",result); //format是格式化函数，把小数点前后没有意义的0去掉
UpdateData(false);
result2 = result;
num2 = "";
}
void CMyDlg::OnBUTTONClear() //设置清零运算
{
// TODO: Add your control notification handler code here
num1 = "";
num2 = "";
isresult = FALSE;
result2 = 0.0;
m_result = "";
UpdateData(FALSE);
}
/////////////////////这是在计算器.cpp的C++源文件中
// 计算机.cpp : Defines the class behaviors for the application.
//
#include "stdafx.h"
#include "计算机.h"
#include "计算机Dlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CMyApp
BEGIN_MESSAGE_MAP(CMyApp, CWinApp)
//{{AFX_MSG_MAP(CMyApp)
// NOTE - the ClassWizard will add and remove mapping macros here.
// DO NOT EDIT what you see in these blocks of generated code!
//}}AFX_MSG
ON_COMMAND(ID_HELP, CWinApp::OnHelp)
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CMyApp construction
CMyApp::CMyApp()
{
// TODO: add construction code here,
// Place all significant initialization in InitInstance
}
/////////////////////////////////////////////////////////////////////////////
// The one and only CMyApp object
CMyApp theApp;
/////////////////////////////////////////////////////////////////////////////
// CMyApp initialization
BOOL CMyApp::InitInstance()
{
AfxEnableControlContainer();
// Standard initialization
// If you are not using these features and wish to reduce the size
// of your final executable, you should remove from the following
// the specific initialization routines you do not need.
#ifdef _AFXDLL
Enable3dControls(); // Call this when using MFC in a shared DLL
#else
Enable3dControlsStatic(); // Call this when linking to MFC statically
#endif
CMyDlg dlg;
m_pMainWnd = &dlg;
int nResponse = dlg.DoModal();
if (nResponse == IDOK)
{
// TODO: Place code here to handle when the dialog is
// dismissed with OK
}
else if (nResponse == IDCANCEL)
{
// TODO: Place code here to handle when the dialog is
// dismissed with Cancel
}
// Since the dialog has been closed, return FALSE so that we exit the
// application, rather than start the application's message pump.
return FALSE;
}