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MFC简单计算器(我的实验报告1.2版本)


和​​上一篇​​​思想一样,详解看上一篇,我就直接给全部代码了。这一篇继承了上一篇所有的功能,还增加了连续加或连续除、减、乘,但是做不到a+b-c或a-b+c,也就是不能换符号,这个就是困惑了我第一天一整天的地方,最后查了一天也解决不了,我还想到用正则表达式和我​​1.3版本​​思想的结合版本1.4,可是,我不会用正则表达式来分割字符串,所以做出了这1.2为1.1改良版,1.3思想转变的铺垫版。现在也是有个bug,等待大佬解救。不过,还是可以应付交作业的。

效果如下:

MFC简单计算器(我的实验报告1.2版本)_程序代码

代码区(全部代码,后面有提示有用部分,请耐心看,也可以选择另外2个版本):

第一部分代码是不需我们打的,这里展示只是方便知道是哪个文件里的

// MFCApplication11Dlg.cpp: 实现文件
//

#include "stdafx.h"
#include "MFCApplication11.h"
#include "MFCApplication11Dlg.h"
#include "afxdialogex.h"

#ifdef
#define
#endif


// 用于应用程序“关于”菜单项的 CAboutDlg 对话框

class CAboutDlg : public CDialogEx
{
public:
CAboutDlg();

// 对话框数据
#ifdef
enum { IDD = IDD_ABOUTBOX };
#endif

protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持

// 实现
protected:
DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialogEx(IDD_ABOUTBOX)
{
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)
END_MESSAGE_MAP()


// CMFCApplication11Dlg 对话框



CMFCApplication11Dlg::CMFCApplication11Dlg(CWnd* pParent /*=nullptr*/)
: CDialogEx(IDD_MFCAPPLICATION11_DIALOG, pParent)
{
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMFCApplication11Dlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CMFCApplication11Dlg, CDialogEx)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON1, &CMFCApplication11Dlg::OnBnClickedButton1)
ON_BN_CLICKED(IDC_BUTTON2, &CMFCApplication11Dlg::OnBnClickedButton2)
ON_BN_CLICKED(IDC_BUTTON3, &CMFCApplication11Dlg::OnBnClickedButton3)
ON_BN_CLICKED(IDC_BUTTON4, &CMFCApplication11Dlg::OnBnClickedButton4)
ON_BN_CLICKED(IDC_BUTTON5, &CMFCApplication11Dlg::OnBnClickedButton5)
ON_BN_CLICKED(IDC_BUTTON6, &CMFCApplication11Dlg::OnBnClickedButton6)
ON_BN_CLICKED(IDC_BUTTON7, &CMFCApplication11Dlg::OnBnClickedButton7)
ON_BN_CLICKED(IDC_BUTTON8, &CMFCApplication11Dlg::OnBnClickedButton8)
ON_BN_CLICKED(IDC_BUTTON9, &CMFCApplication11Dlg::OnBnClickedButton9)
ON_BN_CLICKED(IDC_BUTTON10, &CMFCApplication11Dlg::OnBnClickedButton10)
ON_BN_CLICKED(IDC_BUTTONPOINT, &CMFCApplication11Dlg::OnBnClickedButtonpoint)
ON_BN_CLICKED(IDC_BUTTON12, &CMFCApplication11Dlg::OnBnClickedButton12)
ON_BN_CLICKED(IDC_BUTTONADD, &CMFCApplication11Dlg::OnBnClickedButtonadd)
ON_BN_CLICKED(IDC_BUTTONSUB, &CMFCApplication11Dlg::OnBnClickedButtonsub)
ON_BN_CLICKED(IDC_BUTTONMUL, &CMFCApplication11Dlg::OnBnClickedButtonmul)
ON_BN_CLICKED(IDC_BUTTONDIV, &CMFCApplication11Dlg::OnBnClickedButtondiv)
ON_BN_CLICKED(IDC_BUTTONBACK, &CMFCApplication11Dlg::OnBnClickedButtonback)
ON_BN_CLICKED(IDC_BUTTONCLEAR, &CMFCApplication11Dlg::OnBnClickedButtonclear)
ON_BN_CLICKED(IDC_BUTTONJIECHENG, &CMFCApplication11Dlg::OnBnClickedButtonjiecheng)
ON_BN_CLICKED(IDC_BUTTONSIN, &CMFCApplication11Dlg::OnBnClickedButtonsin)
ON_BN_CLICKED(IDC_BUTTONCOS, &CMFCApplication11Dlg::OnBnClickedButtoncos)
ON_BN_CLICKED(IDC_BUTTON30, &CMFCApplication11Dlg::OnBnClickedButton30)
ON_BN_CLICKED(IDC_BUTTONABOUT, &CMFCApplication11Dlg::OnBnClickedButtonabout)

ON_BN_CLICKED(IDC_BUTTONPINFANG, &CMFCApplication11Dlg::OnBnClickedButtonpinfang)
ON_BN_CLICKED(IDC_BUTTONKAIFANG, &CMFCApplication11Dlg::OnBnClickedButtonkaifang)
ON_BN_CLICKED(IDC_BUTTON26, &CMFCApplication11Dlg::OnBnClickedButton26)
ON_BN_CLICKED(IDC_BUTTONLOG, &CMFCApplication11Dlg::OnBnClickedButtonlog)
ON_BN_CLICKED(IDC_BUTTONLN, &CMFCApplication11Dlg::OnBnClickedButtonln)
ON_BN_CLICKED(IDC_BUTTON29, &CMFCApplication11Dlg::OnBnClickedButton29)
ON_BN_CLICKED(IDC_BUTTON31, &CMFCApplication11Dlg::OnBnClickedButton31)
ON_BN_CLICKED(IDC_BUTTONEQUAL, &CMFCApplication11Dlg::OnBnClickedButtonequal)
END_MESSAGE_MAP()


// CMFCApplication11Dlg 消息处理程序

BOOL CMFCApplication11Dlg::OnInitDialog()
{
CDialogEx::OnInitDialog();

// 将“关于...”菜单项添加到系统菜单中。

// IDM_ABOUTBOX 必须在系统命令范围内。
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);

CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != nullptr)
{
BOOL bNameValid;
CString strAboutMenu;
bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);
ASSERT(bNameValid);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}

// 设置此对话框的图标。 当应用程序主窗口不是对话框时,框架将自动
// 执行此操作
SetIcon(m_hIcon, TRUE); // 设置大图标
SetIcon(m_hIcon, FALSE); // 设置小图标

// TODO: 在此添加额外的初始化代码

return TRUE; // 除非将焦点设置到控件,否则返回 TRUE
}

void CMFCApplication11Dlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialogEx::OnSysCommand(nID, lParam);
}
}

// 如果向对话框添加最小化按钮,则需要下面的代码
// 来绘制该图标。 对于使用文档/视图模型的 MFC 应用程序,
// 这将由框架自动完成。

void CMFCApplication11Dlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // 用于绘制的设备上下文

SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);

// 使图标在工作区矩形中居中
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;

// 绘制图标
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialogEx::OnPaint();
}
}

//当用户拖动最小化窗口时系统调用此函数取得光标
//显示。
HCURSOR CMFCApplication11Dlg::OnQueryDragIcon()
{
return static_cast<HCURSOR>(m_hIcon);
}

前面都是没用的,后面是自己打的,有用的

double num1 = 0.0, num2 = 0.0; static  double result = 0.0;
const double EPSINON = 0.00001;
CString temp;
int opt; int Ctime = 0;

void CMFCApplication11Dlg::OnBnClickedButton1()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs);
SetDlgItemText(IDC_EDIT1, cs + _T("1"));
}


void CMFCApplication11Dlg::OnBnClickedButton2()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs);
SetDlgItemText(IDC_EDIT1, cs + _T("2"));
}


void CMFCApplication11Dlg::OnBnClickedButton3()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs);
SetDlgItemText(IDC_EDIT1, cs + _T("3"));
}


void CMFCApplication11Dlg::OnBnClickedButton4()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs);
SetDlgItemText(IDC_EDIT1, cs + _T("4"));
}


void CMFCApplication11Dlg::OnBnClickedButton5()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs);
SetDlgItemText(IDC_EDIT1, cs + _T("5"));
}


void CMFCApplication11Dlg::OnBnClickedButton6()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs);
SetDlgItemText(IDC_EDIT1, cs + _T("6"));
}


void CMFCApplication11Dlg::OnBnClickedButton7()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs);
SetDlgItemText(IDC_EDIT1, cs + _T("7"));
}


void CMFCApplication11Dlg::OnBnClickedButton8()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs);
SetDlgItemText(IDC_EDIT1, cs + _T("8"));
}


void CMFCApplication11Dlg::OnBnClickedButton9()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs);
SetDlgItemText(IDC_EDIT1, cs + _T("9"));
}


void CMFCApplication11Dlg::OnBnClickedButton10()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs);
SetDlgItemText(IDC_EDIT1, cs + _T("0"));
}

void CMFCApplication11Dlg::OnBnClickedButtonpoint()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs);
num1 = _ttof(cs);
if (cs.Find(_T(".")) == -1) {
SetDlgItemText(IDC_EDIT1, cs + _T("."));
}
opt = 8;
cs.Format(_T("%d"), num1);
}

void CMFCApplication11Dlg::OnBnClickedButton12()
{
// TODO: 在此添加控件通知处理程序代码

CString cs;
GetDlgItemText(IDC_EDIT1, cs);
num1 = _ttof(cs); opt = 6;
SetDlgItemText(IDC_EDIT1, _T(" "));
}

拿+ - * /为连续计算的运算符 原来设置Ctime是想看运用了计算符几次,后来,又改变了想法,把它看作计算符的编号

void CMFCApplication11Dlg::OnBnClickedButtonadd()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs);
num1 = _ttof(cs);//_tstoi(cs);
//"+";
if (Ctime == 0) result = num1;
//if (Ctime !=1&&Ctime!=2&&Ctime!=3&&Ctime!=4) result = num1;
else result += num1;
num1 = result;
result = num1;
Ctime = 1; opt = 1;
temp = temp + cs;
temp += _T("+");
SetDlgItemText(IDC_EDIT1, _T(" "));
}

void CMFCApplication11Dlg::OnBnClickedButtonsub()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs);

num1 = _ttof(cs); //"-";
if (num1 == 0) {
num1 = 0.0; SetDlgItemText(IDC_EDIT1, _T(" "));
}
/*if (Ctime != 2)
{
result = num1;
}*/
else result -= num1;
num1 = result;

Ctime = 2; opt = 2;
result = num1;
temp = temp + cs;
temp += _T("-");
SetDlgItemText(IDC_EDIT1, _T(" "));
}

void CMFCApplication11Dlg::OnBnClickedButtonmul()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs);
num1 = _ttof(cs);//_tstoi(cs); //"*";
if (Ctime != 3) result = num1;
else result *= num1;
num1 = result;
Ctime = 3; opt = 3;
temp = temp + cs;
temp += _T("*");
result = num1;
SetDlgItemText(IDC_EDIT1, _T(" "));

}

void CMFCApplication11Dlg::OnBnClickedButtondiv()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs);
num1 = _ttof(cs); //"/";
if (Ctime == 0)
result = num1;
else
{
if (num1 == 0) {
result = num1;
MessageBox(_T("输入无效!"));
}
else result /= num1;
}
num1 = result;
Ctime = 4; opt = 4;
temp = temp + cs;
temp += _T("/");
result = num1;
SetDlgItemText(IDC_EDIT1, _T(" "));
}

void CMFCApplication11Dlg::OnBnClickedButtonback()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs);
cs.Delete(cs.GetLength() - 1);
SetDlgItemText(IDC_EDIT1, cs);
}

void CMFCApplication11Dlg::OnBnClickedButtonclear()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
num1 = 0.0; num2 = 0.0; result = 0.0;
SetDlgItemText(IDC_EDIT1, _T(" "));
temp = _T(" ");
UpdateData(false);
}

void CMFCApplication11Dlg::OnBnClickedButtonjiecheng()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs);
num1 = _ttof(cs); double num = 1;
for (int i = 1; i <= num1; i++)
num *= i;
num1 = num;
opt = 5;
SetDlgItemText(IDC_EDIT1, _T(" "));
}

void CMFCApplication11Dlg::OnBnClickedButtonsin()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs); double num;
num1 = _ttof(cs); opt = 5; num = (num1*3.1415926) / 180; num1 = sin(num);
SetDlgItemText(IDC_EDIT1, _T(" "));
}

void CMFCApplication11Dlg::OnBnClickedButtoncos()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs); double num;
num1 = _ttof(cs); opt = 5; num = (num1*3.1415926) / 180; num1 = cos(num);
SetDlgItemText(IDC_EDIT1, _T(" "));
}

void CMFCApplication11Dlg::OnBnClickedButton30()//  %
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs);
num1 = _ttof(cs); result = num1 / 100; opt = 5;
}

void CMFCApplication11Dlg::OnBnClickedButtonabout()
{
// TODO: 在此添加控件通知处理程序代码
CAboutDlg dlg;
dlg.DoModal();
}

void CMFCApplication11Dlg::OnBnClickedButtonpinfang()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs);
num1 = _ttof(cs); opt = 5;
double f = pow(num1, 2);
//如果浮点数其实是个整数,就显示为整数
if (f - int(f) <= 1e-5)
{
cs.Format(L"%d", (int)f);
}
else
{
cs.Format(L"%f", f);
}
//SetDlgItemText(IDC_EDIT1, _T(" "));
num1 = f;
num2 = 0.0f;
}

v

oid CMFCApplication11Dlg::OnBnClickedButtonkaifang()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs);
num1 = _ttof(cs); opt = 5;
double f = sqrt(num1);
//如果浮点数其实是个整数,就显示为整数
if (f - int(f) <= 1e-5)
{
cs.Format(L"%d", (int)f);
}
else
{
cs.Format(L"%f", f);
}
//SetDlgItemText(IDC_EDIT1, _T(" "));
num1 = f;
num2 = 0.0f;
}

void CMFCApplication11Dlg::OnBnClickedButton26()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs);
num1 = _ttof(cs); opt = 10;
SetDlgItemText(IDC_EDIT1, _T(""));
}

void CMFCApplication11Dlg::OnBnClickedButtonlog()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs); double num;
num1 = _ttof(cs); opt = 5;
num = log10(num1); num1 = num;

SetDlgItemText(IDC_EDIT1, _T(" "));
}

void CMFCApplication11Dlg::OnBnClickedButtonln()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs); double num;
num1 = _ttof(cs); opt = 5; num = log(num1); num1 = num;
if (num1 < EPSINON) {
SetDlgItemText(IDC_EDIT1, _T(" "));
MessageBox(_T("输入无效!")); num1 = 0.0;
}
SetDlgItemText(IDC_EDIT1, _T(" "));
}

void CMFCApplication11Dlg::OnBnClickedButton29()//e^n
{
// TODO: 在此添加控件通知处理程序代码
CString cs;
GetDlgItemText(IDC_EDIT1, cs); double num;
num1 = _ttof(cs); opt = 5; num = exp(num1); num1 = num;
SetDlgItemText(IDC_EDIT1, _T(" "));
}

void CMFCApplication11Dlg::OnBnClickedButtonequal()
{
// TODO: 在此添加控件通知处理程序代码
CString cs;

GetDlgItemText(IDC_EDIT1, cs);

num2 = _ttof(cs);
switch (opt)
{

case 1:result = result + num2; temp += cs; break;
case 2:result = result - num2; temp += cs; break;
case 3:result = result * num2; temp += cs; break;
case 4:if (num2 == 0) {
result = result;
MessageBox(_T("输入无效!"));
}
else {
result = result / num2;
}
temp += cs;
break;
case 5:result = num1;
if (result < EPSINON) {
MessageBox(_T("输入无效!"));
}
break;
case 6: {
double f = pow(num1, num2);
//如果浮点数其实是个整数,就显示为整数
if (f - int(f) <= 1e-5)
{
cs.Format(L"%d", (int)f);
}
else
{
cs.Format(L"%f", f);
}
//SetDlgItemText(IDC_EDIT1, _T(" "));
num1 = f;
num2 = 0.0f;
result = num1;
} break;

case 7: break;
case 8:
result = num2;
case 9:
result = num1;
break;
case 10:
result = pow(num1, 1 / num2);
default:break;
}
num1 = result; num2 = 0;
if (result - int(result) <= 1e-5)
{
cs.Format(L"=%d", (int)result);
}
else
{
cs.Format(_T(" = %f"), result);
}
temp += cs;
SetDlgItemText(IDC_EDIT1, temp);

num1 = 0.0;
num2 = 0.0; result = 0.0; temp = _T(" ");
}


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