Question

计算器的设计C++

计算器的设计
1、设计内容
该程序是一个小型实用复数计算器，可以完成复数的加减操作
2、程序设计要求
1）增加运算符重载功能，可以重载+=、- =、*、++、- -、> =、<=、！=运算符，其中，> =、<=是针对复数的模运算。
2）完善计算器测试程序，加减法要求在两位数内进行，而且减法结果不能是负数。增加乘法的测试，乘法要求为一位数的运算。
3）完善输入重载函数，要求可以接收从键盘输入的a+i*b形式的负数，在程序中可以识别出实部、虚部并可以正确赋值。

Answer 1

刚刚写完, 先附上截图程序太长, 附上部分程序
// XRabbitDlg.cpp : implementation file
//#include "stdafx.h"
#include "XRabbit.h"
#include "XRabbitDlg.h"
#include "afxdialogex.h"#ifdef _DEBUG
#define new DEBUG_NEW
#endif
// CXRabbitDlg dialog
VOID ChangeText(VOID); CXRabbitDlg::CXRabbitDlg(CWnd* pParent /*=NULL*/)
: CDialogEx(CXRabbitDlg::IDD, pParent)
, XEditStr1(_T(""))
, XEditStr2(_T(""))
, XEditStr3(_T(""))
{
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}void CXRabbitDlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
DDX_Text(pDX, IDC_EDIT3, XEditStr1);
DDX_Text(pDX, IDC_EDIT4, XEditStr2);
DDX_Text(pDX, IDC_EDIT5, XEditStr3);
}BEGIN_MESSAGE_MAP(CXRabbitDlg, CDialogEx)
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_WM_SHOWWINDOW()
ON_BN_CLICKED(IDC_RADIO1, &CXRabbitDlg::OnBnClickedRadio1)
ON_BN_CLICKED(IDC_RADIO2, &CXRabbitDlg::OnBnClickedRadio2)
ON_BN_CLICKED(IDC_RADIO3, &CXRabbitDlg::OnBnClickedRadio3)
ON_BN_CLICKED(IDC_RADIO4, &CXRabbitDlg::OnBnClickedRadio4)
ON_BN_CLICKED(IDC_BUTTON1, &CXRabbitDlg::OnBnClickedButton1)
END_MESSAGE_MAP()
// CXRabbitDlg message handlersBOOL CXRabbitDlg::OnInitDialog()
{
CDialogEx::OnInitDialog(); // 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
}// 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 CXRabbitDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting SendMessage(WM_ICONERASEBKGND, reinterpret_cast<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
{
CDialogEx::OnPaint();
}
}// The system calls this function to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CXRabbitDlg::OnQueryDragIcon()
{
return static_cast<HCURSOR>(m_hIcon);
} void CXRabbitDlg::OnShowWindow(BOOL bShow, UINT nStatus)
{
CDialogEx::OnShowWindow(bShow, nStatus); // TODO: Add your message handler code here
//static_cast<CButton *>(GetDlgItem(IDC_RADIO1))->SetCheck(TRUE);
}
void CXRabbitDlg::OnBnClickedRadio1()
{
// TODO: Add your control notification handler code here
::ChangeText();
}VOID ChangeText(VOID){
CONST UINT uiIDC[4] = {IDC_RADIO1, IDC_RADIO2, IDC_RADIO3, IDC_RADIO4};
CButton *XRadio;
CString XText, XStr;
for (int i = 0; i != 4; ++i){
XRadio = static_cast<CButton *>(CButton::FromHandle(::GetDlgItem(AfxGetApp()->GetMainWnd()->GetSafeHwnd(), uiIDC[i])));
if (XRadio->GetCheck()){
XRadio->GetWindowText(XText);
XStr = XText.GetAt(0) + CString(L"数");
::SetWindowText(::GetDlgItem(AfxGetApp()->GetMainWnd()->GetSafeHwnd(), IDC_STATIC3), XStr);
XStr = CString(L"被") + XText.GetAt(0) + CString(L"数");
::SetWindowText(::GetDlgItem(AfxGetApp()->GetMainWnd()->GetSafeHwnd(), IDC_STATIC2), XStr);
::SetWindowText(::GetDlgItem(AfxGetApp()->GetMainWnd()->GetSafeHwnd(), IDC_STATIC4), CString(XText.GetAt(0)));
break;
}
}
}void CXRabbitDlg::OnBnClickedRadio2()
{
// TODO: Add your control notification handler code here
::ChangeText();
}
void CXRabbitDlg::OnBnClickedRadio3()
{
// TODO: Add your control notification handler code here
::ChangeText();
}
void CXRabbitDlg::OnBnClickedRadio4()
{
// TODO: Add your control notification handler code here
::ChangeText();
}
void CXRabbitDlg::OnBnClickedButton1()
{
// TODO: Add your control notification handler code here
this->UpdateData(TRUE);
CString cstrOperator;
CStatic *XStatic = static_cast<CStatic *>(GetDlgItem(IDC_STATIC4));
XStatic->GetWindowText(cstrOperator);
double lfNum1 = _tcstod(XEditStr1, NULL);
double lfNum2 = _tcstod(XEditStr2, NULL);
double lfRes = 0.0;
if (cstrOperator == CString(L"加"))
lfRes = lfNum1 + lfNum2;
else if (cstrOperator == CString(L"减"))
lfRes = lfNum1 - lfNum2;
else if (cstrOperator == CString(L"乘"))
lfRes = lfNum1 * lfNum2;
else if (cstrOperator == CString(L"除")){
if (lfNum2 == 0)
AfxMessageBox(_T("除数不为零"));
else
lfRes = lfNum1 / lfNum2;
}
else
AfxMessageBox(_T("未知错误"));
INT iRes = static_cast<int>(lfRes * 10);
XEditStr3.Format(_T("%i"), iRes);
XEditStr3.Insert(XEditStr3.GetLength() - 1, _T("."));
this->UpdateData(FALSE);
}