实例介绍
【实例简介】
VC 编写可视化界面计算器，可实现加减乘除运算、三角函数计算、进制转换
【实例截图】
【核心代码】
// calculatorDlg.cpp : implementation file
//
#include "stdafx.h"
#include "math.h"
#include "calculator.h"
#include "calculatorDlg.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()
/////////////////////////////////////////////////////////////////////////////
// CCalculatorDlg dialog
CCalculatorDlg::CCalculatorDlg(CWnd* pParent /*=NULL*/)
: CDialog(CCalculatorDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CCalculatorDlg)
m_result = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CCalculatorDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CCalculatorDlg)
DDX_Text(pDX, IDC_EDIT1, m_result);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CCalculatorDlg, CDialog)
//{{AFX_MSG_MAP(CCalculatorDlg)
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_BUTTON10, OnButton10)
ON_BN_CLICKED(IDC_BUTTON12, OnButton12)
ON_BN_CLICKED(IDC_BUTTON13, OnButton13)
ON_BN_CLICKED(IDC_BUTTON11, OnButton11)
ON_BN_CLICKED(IDC_BUTTON14, OnButton14)
ON_BN_CLICKED(IDC_BUTTON15, OnButton15)
ON_BN_CLICKED(IDC_BUTTON17, OnButton17)
ON_BN_CLICKED(IDC_BUTTON24, OnButton24)
ON_BN_CLICKED(IDC_BUTTON25, OnButton25)
ON_BN_CLICKED(IDC_BUTTON26, OnButton26)
ON_BN_CLICKED(IDC_BUTTON23, OnButton23)
ON_BN_CLICKED(IDC_BUTTON18, OnButton18)
ON_BN_CLICKED(IDC_BUTTON19, OnButton19)
ON_BN_CLICKED(IDC_BUTTON20, OnButton20)
ON_BN_CLICKED(IDC_BUTTON21, OnButton21)
ON_BN_CLICKED(IDC_BUTTON22, OnButton22)
ON_BN_CLICKED(IDC_BUTTON27, OnButton27)
ON_BN_CLICKED(IDC_BUTTON28, OnButton28)
ON_BN_CLICKED(IDC_BUTTON16, OnButton16)
ON_BN_CLICKED(IDC_BUTTON31, OnButton31)
ON_BN_CLICKED(IDC_BUTTON32, OnButton32)
ON_BN_CLICKED(IDC_BUTTON29, OnButton29)
ON_BN_CLICKED(IDC_BUTTON30, OnButton30)
ON_BN_CLICKED(IDC_BUTTON33, OnButton33)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CCalculatorDlg message handlers
BOOL CCalculatorDlg::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 CCalculatorDlg::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 CCalculatorDlg::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 CCalculatorDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void test()
{
}
void CCalculatorDlg::OnButton1()
{
// TODO: Add your control notification handler code here
s2=s2 "1";
m_result=m_result "1";
UpdateData(false);
}
void CCalculatorDlg::OnButton2()
{
// TODO: Add your control notification handler code here
s2=s2 "2";
m_result=m_result "2";
UpdateData(false);
}
void CCalculatorDlg::OnButton3()
{
// TODO: Add your control notification handler code here
s2=s2 "3";
m_result=m_result "3";
UpdateData(false);
}
void CCalculatorDlg::OnButton4()
{
// TODO: Add your control notification handler code here
s2=s2 "4";
m_result=m_result "4";
UpdateData(false);
}
void CCalculatorDlg::OnButton5()
{
// TODO: Add your control notification handler code here
s2=s2 "5";
m_result=m_result "5";
UpdateData(false);
}
void CCalculatorDlg::OnButton6()
{
// TODO: Add your control notification handler code here
s2=s2 "6";
m_result=m_result "6";
UpdateData(false);
}
void CCalculatorDlg::OnButton7()
{
// TODO: Add your control notification handler code here
s2=s2 "7";
m_result=m_result "7";
UpdateData(false);
}
void CCalculatorDlg::OnButton8()
{
// TODO: Add your control notification handler code here
s2=s2 "8";
m_result=m_result "8";
UpdateData(false);
}
void CCalculatorDlg::OnButton9()
{
// TODO: Add your control notification handler code here
s2=s2 "9";
m_result=m_result "9";
UpdateData(false);
}
void CCalculatorDlg::OnButton10()
{
// TODO: Add your control notification handler code here
s2=s2 "0";
m_result=m_result "0";
UpdateData(false);
}
void CCalculatorDlg::OnButton12()
{
// TODO: Add your control notification handler code here
s2="";
s1=m_result;
m_result=m_result ' ';
str=' ';
UpdateData(false);
}
void CCalculatorDlg::OnButton13()
{
// TODO: Add your control notification handler code here
s2="";
s1=m_result;
m_result=m_result '-';
str='-';
UpdateData(false);
}
void CCalculatorDlg::OnButton11()
{
// TODO: Add your control notification handler code here
s2=s2 ".";
m_result=m_result ".";
UpdateData(false);
}
void CCalculatorDlg::OnButton14()
{
// TODO: Add your control notification handler code here
s2="";
s1=m_result;
m_result=m_result '*';
str='*';
UpdateData(false);
}
void CCalculatorDlg::OnButton15()
{
// TODO: Add your control notification handler code here
s2="";
s1=m_result;
m_result=m_result '/';
str='/';
UpdateData(false);
}
void CCalculatorDlg::OnButton17()
{
// TODO: Add your control notification handler code here
m_result.Delete(m_result.GetLength()-1,1);
UpdateData(false);
}
void CCalculatorDlg::OnButton24()
{
// TODO: Add your control notification handler code here
s2="";
s1=m_result;
m_result="^2" m_result;
str='p';
UpdateData(false);
}
void CCalculatorDlg::OnButton25()
{
// TODO: Add your control notification handler code here
s2="";
s1=m_result;
m_result=m_result "^1/2";
str='k';
UpdateData(false);
}
void CCalculatorDlg::OnButton26()
{
// TODO: Add your control notification handler code here
s2="";
s1=m_result;
m_result=m_result "^1/3";
str='f';
UpdateData(false);
}
void CCalculatorDlg::OnButton23()
{
// TODO: Add your control notification handler code here
s2="";
s1=m_result;
m_result=m_result "^";
str='^';
UpdateData(false);
}
void CCalculatorDlg::OnButton18()
{
// TODO: Add your control notification handler code here
s2="";
s1=m_result;
m_result="sin" m_result;
str='s';
UpdateData(false);
}
void CCalculatorDlg::OnButton19()
{
// TODO: Add your control notification handler code here
s2="";
s1=m_result;
m_result="cos" m_result;
str='c';
UpdateData(false);
}
void CCalculatorDlg::OnButton20()
{
// TODO: Add your control notification handler code here
s2="";
s1=m_result;
m_result="tan" m_result;
str='t';
UpdateData(false);
}
void CCalculatorDlg::OnButton21()
{
// TODO: Add your control notification handler code here
s2="";
s1=m_result;
m_result="ln" m_result;
str='l';
UpdateData(false);
}
void CCalculatorDlg::OnButton22()
{
// TODO: Add your control notification handler code here
s2="";
s1=m_result;
m_result="log" m_result;
str='g';
UpdateData(false);
}
void CCalculatorDlg::OnButton27()
{
// TODO: Add your control notification handler code here
s2="";
s1=m_result;
m_result="e^" m_result;
str='e';
UpdateData(false);
}
void CCalculatorDlg::OnButton31()
{
// TODO: Add your control notification handler code here
s2="";
s1=m_result;
m_result="1/" m_result;
str='d';
UpdateData(false);
}
void CCalculatorDlg::OnButton32()
{
// TODO: Add your control notification handler code here
s2="";
s1=m_result;
m_result="取模" m_result;
str='m';
UpdateData(false);
}
void CCalculatorDlg::OnButton28()
{
// TODO: Add your control notification handler code here
m_result="";
UpdateData(false);
}
double add(double X, double Y)
{ return X Y;} //加
double subtract(double X, double Y)
{ return X-Y;}//减
double chu(double X, double Y)
{ return X/Y;} //除
double cheng(double X, double Y)
{ return X*Y; } //乘
double jzf(double fu)
{ return fu / 180.0 * 3.14159265; } //角度转弧度
CString scl(CString m) //删除小数点后多余的零
{
int len,i,j=0;
len=strlen(m);
if(m[len-1]=='0')
{
i=len-1;
while(m[i]=='0')
{
j ;
i--;
}
m.Delete(len-j,j);
}
return m;
}
double chengfang(double X, int Y)
{
double m=1.0;
if(Y==1)
return X;
else
for(int i=1;i<=Y;i )
m=m*X;
return m;
}
void CCalculatorDlg::OnButton29()
{
// TODO: Add your control notification handler code here
s2="";
int n,i,t;
double Y,p=0.0;
Y=strtod( m_result,NULL);
t=(int)(Y);
if(t!=1)
for(i=1;t>1;i )
{
n=t%2;
t=t/2;
p =n*pow(10,(i-1));
}
p =1*pow(10,(i-1));
m_result.Format("%f",p);
m_result=scl(m_result);
UpdateData(false);
}
void CCalculatorDlg::OnButton30()
{
// TODO: Add your control notification handler code here
s2="";
int len;
double sum=0.0,num;
len=strlen(m_result);
for (int i=0;i<len;i )
{
num=(m_result[i]-48);
num=num*pow(2,len-i-1);
sum =num;
}
m_result.Format("%f",sum);
m_result=scl(m_result);
UpdateData(false);
}
void CCalculatorDlg::OnButton33()
{
// TODO: Add your control notification handler code here
s2="";
int i,len;
char s;
len=strlen(m_result);
CString m_result1;
for(i=0;i<len;i )
{
s=m_result[i];
switch(s)
{
case'1':
m_result1=m_result1 "001";
break;
case '2':
m_result1=m_result1 "010";
break;
case '3':
m_result1=m_result1 "011";
break;
case '4':
m_result1=m_result1 "100";
break;
case'5':
m_result1=m_result1 "101";
break;
case '6':
m_result1=m_result1 "110";
break;
case'7':
m_result1=m_result1 "111";
break;
case'.':
m_result1=m_result1 ".";
break;
}
}
m_result=m_result1;
UpdateData(false);
}
void CCalculatorDlg::OnButton16()
{
// TODO: Add your control notification handler code here
double X,Y;
X=strtod(s1,NULL);
Y=strtod(s2,NULL);
if(str==' ')
{
m_result.Format("%f",add(X,Y));
m_result=scl(m_result);
UpdateData(false);
}
if(str=='-')
{
m_result.Format("%f",subtract(X,Y));
m_result=scl(m_result);
UpdateData(false);
}
if(str=='*')
{
m_result.Format("%f",cheng(X,Y));
m_result=scl(m_result);
UpdateData(false);
}
if(str=='/')
{
m_result.Format("%f",chu(X,Y));
m_result=scl(m_result);
UpdateData(false);
}
if(str=='p')
{
m_result.Format("%f",cheng(Y,Y));
m_result=scl(m_result);
UpdateData(false);
}
if(str=='k')
{
m_result.Format("%f",sqrt(Y));
m_result=scl(m_result);
UpdateData(false);
}
if(str=='s')
{
m_result.Format("%f",sin(jzf(Y)));
m_result=scl(m_result);
UpdateData(false);
}
if(str=='c')
{
m_result.Format("%f",cos(jzf(Y)));
m_result=scl(m_result);
UpdateData(false);
}
if(str=='t')
{
m_result.Format("%f",tan(jzf(Y)));
m_result=scl(m_result);
UpdateData(false);
}
if(str=='l')
{
m_result.Format("%f",log(Y));
m_result=scl(m_result);
UpdateData(false);
}
if(str=='g')
{
m_result.Format("%f",log10(Y));
m_result=scl(m_result);
UpdateData(false);
}
if(str=='e')
{
m_result.Format("%f",exp(Y));
m_result=scl(m_result);
UpdateData(false);
}
if(str=='^')
{
m_result.Format("%f",chengfang(X,(int)Y));
m_result=scl(m_result);
UpdateData(false);
}
if(str=='f')
{
m_result.Format("%f",pow(Y,1/3));
m_result=scl(m_result);
UpdateData(false);
}
if(str=='d')
{
m_result.Format("%f",1/Y);
m_result=scl(m_result);
UpdateData(false);
}
if(str=='m')
{
int i,j;
i=X;
j=Y;
m_result.Format("%d",i%j);
m_result=scl(m_result);
UpdateData(false);
}
}
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