计算器源代码

头文件class CCacl2Dlg : public CDialog/ Constructionpublic:int m_fun; /m_fun 是运算符如:+,-,*,/void AddFun(int j); /该函数的功能是输入数字void AddNum(int i); /该函数的功能是输入运算符int m_ForS; /指示此时输入的是/第一个数还是第二个数 bool m_firx,m_secx; /指示此时是否在输入小数部分/即是否按过了小数点double m_first,m_second; /第一第二个数 double m_firstz,m_secondz; /第一第二个数的整数部分double m_firstx,m_secondx; /第一第二个数的小数部分int m_firxw,m_secxw; /第一第二个数的小数部分的位数int m_firzorf,m_seczorf; /指示是否是负数/既是否按过+/-键bool m_EnterSec; /是否输入了第二个数；double m_result; /结果double m_mfir,m_msec; / 记住上次参加运算的第一二个数bool m_sfmf,m_sfms,m_sfmfun; /指示是否此时还记的上次的数和运算符int m_mfun; /记住上次的运算符CCacl2Dlg(CWnd* pParent = NULL); / standard constructor/ Dialog Data/AFX_DATA(CCacl2Dlg)enum IDD = IDD_CACL2_DIALOG ;CEdit m_xedit;double m_x;/AFX_DATA/ ClassWizard generated virtual function overrides/AFX_VIRTUAL(CCacl2Dlg)protected:virtual void DoDataExchange(CDataExchange* pDX); / DDX/DDV support/AFX_VIRTUAL/ Implementationprotected:HICON m_hIcon;/ Generated message map functions/AFX_MSG(CCacl2Dlg)afx_msg void OnSysCommand(UINT nID, LPARAM lParam);afx_msg void OnPaint();afx_msg HCURSOR OnQueryDragIcon();afx_msg void On0();afx_msg void On1();afx_msg void On2();afx_msg void On3();afx_msg void On4();afx_msg void On5();afx_msg void On6();afx_msg void On7();afx_msg void On8();afx_msg void On9();afx_msg void OnAdd();afx_msg void OnBack();afx_msg void OnDiv();afx_msg void OnGo();afx_msg void OnOn();afx_msg void OnSub();afx_msg void OnTim();afx_msg void OnXsd();afx_msg void OnZfh();afx_msg void OnAbtath();/AFX_MSGDECLARE_MESSAGE_MAP();CPP 文件CCacl2Dlg:CCacl2Dlg(CWnd* pParent /*=NULL*/): CDialog(CCacl2Dlg:IDD, pParent)/AFX_DATA_INIT(CCacl2Dlg)m_x = 0.0;/AFX_DATA_INIT/ Note that LoadIcon does not require a subsequent DestroyIcon in Win32m_hIcon = AfxGetApp()-LoadIcon(IDR_MAINFRAME);m_first=0.0;m_second=0.0; /该行以下为初始化m_firstz=0;m_firstx=0.0;m_secondz=0;m_secondx=0.0;m_firx=FALSE;m_secx=FALSE;m_firxw=0;m_secxw=0;m_firzorf=1;m_seczorf=1;m_EnterSec=FALSE; m_result=0.0;m_ForS=1;m_mfir=0.0;m_msec=0.0;m_mfun=0;m_sfmf=FALSE;m_sfms=FALSE;m_sfmfun=FALSE;void CCacl2Dlg:DoDataExchange(CDataExchange* pDX)CDialog:DoDataExchange(pDX);/AFX_DATA_MAP(CCacl2Dlg)DDX_Control(pDX, IDC_RESULT, m_xedit);DDX_Text(pDX, IDC_RESULT, m_x);/AFX_DATA_MAPBEGIN_MESSAGE_MAP(CCacl2Dlg, CDialog)/AFX_MSG_MAP(CCacl2Dlg)ON_WM_SYSCOMMAND()ON_WM_PAINT()ON_WM_QUERYDRAGICON()ON_BN_CLICKED(IDC_0, On0)ON_BN_CLICKED(IDC_1, On1)ON_BN_CLICKED(IDC_2, On2)ON_BN_CLICKED(IDC_3, On3)ON_BN_CLICKED(IDC_4, On4)ON_BN_CLICKED(IDC_5, On5)ON_BN_CLICKED(IDC_6, On6)ON_BN_CLICKED(IDC_7, On7)ON_BN_CLICKED(IDC_8, On8)ON_BN_CLICKED(IDC_9, On9)ON_BN_CLICKED(IDC_ADD, OnAdd)ON_BN_CLICKED(IDC_BACK, OnBack)ON_BN_CLICKED(IDC_DIV, OnDiv)ON_BN_CLICKED(IDC_GO, OnGo)ON_BN_CLICKED(IDC_ON, OnOn)ON_BN_CLICKED(IDC_SUB, OnSub)ON_BN_CLICKED(IDC_TIM, OnTim)ON_BN_CLICKED(IDC_XSD, OnXsd)ON_BN_CLICKED(IDC_ZFH, OnZfh)ON_BN_CLICKED(IDC_ABTATH, OnAbtath)/AFX_MSG_MAPEND_MESSAGE_MAP()/ CCacl2Dlg message handlersvoid CCacl2Dlg:OnSysCommand(UINT nID, LPARAM lParam)if (nID dlgAbout.DoModal();elseCDialog: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 CCacl2Dlg:OnPaint() if (IsIconic()CPaintDC dc(this); / device context for paintingSendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);/ Center icon in client rectangleint cxIcon = GetSystemMetrics(SM_CXICON);int cyIcon = GetSystemMetrics(SM_CYICON);CRect rect;GetClientRect(int x = (rect.Width() - cxIcon + 1) / 2;int y = (rect.Height() - cyIcon + 1) / 2;/ Draw the icondc.DrawIcon(x, y, m_hIcon);elseCDialog:OnPaint();/ The system calls this to obtain the cursor to display while the user drags/ the minimized window.HCURSOR CCacl2Dlg:OnQueryDragIcon()return (HCURSOR) m_hIcon;void CCacl2Dlg:On0() /输入 0/ TODO: Add your control notification handler code hereAddNum(0);void CCacl2Dlg:On1() /输入 1/ TODO: Add your control notification handler code hereAddNum(1);void CCacl2Dlg:On2() /输入 2/ TODO: Add your control notification handler code hereAddNum(2);void CCacl2Dlg:On3() /输入 3/ TODO: Add your control notification handler code hereAddNum(3);void CCacl2Dlg:On4() /输入 4/ TODO: Add your control notification handler code hereAddNum(4);void CCacl2Dlg:On5() /输入 5/ TODO: Add your control notification handler code hereAddNum(5);void CCacl2Dlg:On6() /输入 6/ TODO: Add your control notification handler code hereAddNum(6);void CCacl2Dlg:On7() /输入 7/ TODO: Add your control notification handler code hereAddNum(7);void CCacl2Dlg:On8() /输入 8/ TODO: Add your control notification handler code hereAddNum(8);void CCacl2Dlg:On9() /输入 9/ TODO: Add your control notification handler code hereAddNum(9);void CCacl2Dlg:OnAdd() /输入+/ TODO: Add your control notification handler code hereAddFun(1);void CCacl2Dlg:OnBack() /按 back 键/ TODO: Add your control notification handler code hereif(m_ForS=1) /如果此时在输入第一个数if(m_firx=FALSE) /如果此时在输入整数部分 if(m_firstz10) /如果整数部分小于 10m_firstz=0; /改为 0m_firzorf=1; /置符号为正elseint y1=(int)m_firstz;/y1 为一与整数部分相等的数y1/=10; /去掉个位数 m_firstz=y1;else /如果在输入小数部分if(m_firxw=1) /此时小数部分只有一位m_firstx=0.0;m_firxw=0;m_firx=FALSE;/小数部分清为 0elseint y2=(int)(m_firstx*pow(10,m_firxw); /取一整数与小数点所有的数表示的整数相等，如 123 等于 0.123 的小数部分表示的数y2/=10;m_firxw-; /去掉最后一位m_firstx=y2*pow(10,(-1)*m_firxw);m_first=m_firzorf*(m_firstz+m_firstx); /计算出第一个数m_x=m_first;UpdateData(FALSE); /显示它else if(m_ForS=2) /如果在输入第二个数, 处理方法同第一个数if(m_secx=FALSE) if(m_secondz10)m_secondz=0;m_seczorf=1;elseint y3=(int)m_secondz;y3/=10;m_secondz=y3;elseif(m_secxw=1)m_secondx=0.0;m_secxw=0;m_secx=FALSE;elseint y4=(int)(m_secondx*pow(10,m_secxw);y4/=10;m_secxw-;m_secondx=y4*pow(10,(-1)*m_secxw);m_second=m_seczorf*(m_secondz+m_secondx);m_x=m_second;UpdateData(FALSE);void CCacl2Dlg:OnDiv() /输入/ TODO: Add your control notification handler code hereAddFun(4);void CCacl2Dlg:OnGo() /按 =号运算/ TODO: Add your control notification handler code hereif(m_sfmf=TRUE /m_fun 为 1,则用上次的数和符号加,下同else if(m_mfun=2)m_result=m_mfir-m_msec; /m_fun 为 2,则减, 下同else if(m_mfun=3)m_result=m_mfir*m_msec; /为 3,则乘,下同else if(m_mfun=4)m_result=m_mfir/m_msec; /为 4,则除,下同m_sfmf=TRUE;m_sfms=TRUE;m_sfmfun=TRUE; /记住参加运算的数和运算符m_mfir=m_result;m_msec=m_msec;m_mfun=m_mfun;else if(m_sfmf=TRUEelse if(m_fun=2)m_result=m_mfir-m_second;else if(m_fun=3)m_result=m_mfir*m_second;else if(m_fun=4)m_result=m_mfir/m_second;m_sfmf=TRUE;m_sfms=TRUE;m_sfmfun=TRUE;m_mfir=m_result;m_msec=m_second;m_mfun=m_fun;else if(m_sfmf=TRUEm_second=m_mfir;if(m_fun=1)m_result=m_mfir+m_second;else if(m_fun=2)m_result=m_mfir-m_second;else if(m_fun=3)m_result=m_mfir*m_second;else if(m_fun=4)m_result=m_mfir/m_second;m_sfmf=TRUE;m_sfms=TRUE;m_sfmfun=TRUE;m_mfir=m_result;m_msec=m_second;m_mfun=m_fun;else if(m_sfmf=FALSEif(m_fun=1)m_result=m_first+m_second;else if(m_fun=2)m_result=m_first-m_second;else if(m_fun=3)m_result=m_first*m_second;else if(m_fun=4)m_result=m_first/m_second;m_sfmf=TRUE;m_sfms=TRUE;m_sfmfun=TRUE;m_mfir=m_result;m_msec=m_second;m_mfun=m_fun;m_x=m_result;UpdateData(FALSE); /显示结果m_first=0;m_second=0.0; m_firstz=0;m_firstx=0.0;m_secondz=0;m_secondx=0.0;m_firx=FALSE;m_secx=FALSE;m_firxw=0;m_secxw=0;m_firzorf=1;m_seczorf=1;m_ForS=1;m_EnterSec=FALSE; void CCacl2Dlg:OnOn() /按 on 键/ TODO: Add your control notification handler code herem_x=0.0; /恢复默认值,下同m_first=0.0;m_second=0.0;m_firstz=0;m_firstx=0.0;m_secondz=0;m_secondx=0.0;m_firx=FALSE;m_secx=FALSE;m_firxw=0;m_secxw=0;m_firzorf=1;m_seczorf=1;m_ForS=1;m_mfir=0.0;m_msec=0.0;m_mfun=0;m_sfmf=FALSE;m_sfms=FALSE;m_sfmfun=FALSE;m_EnterSec=FALSE; UpdateData(FALSE);void CCacl2Dlg:OnSub() /输入-/ TODO: Add your control notification handler code hereAddFun(2); void CCacl2Dlg:OnTim() /输入*/ TODO: Add your control notification handler code hereAddFun(3);void CCacl2Dlg:OnXsd() /按小数点./ TODO: Add your control notification handler code hereif(m_ForS=1)m_firx=TRUE; /此时在输入第一个数,第一个数指示十是否该输入小数部分变量置为真else if(m_ForS=2)m_secx=TRUE; /在输入第二个数void CCacl2Dlg:OnZfh() /按+/- 键/ TODO: Add your control notification handler code hereif(m_ForS=1) /此时在输入第一个数m_firzorf=-1; /指示符置为-1m_first*=-1;m_x=m_first;UpdateData(FALSE);else m_seczorf=-1;m_second*=-1;m_x=m_second;UpdateData(FALSE);void CCacl2Dlg:AddNum(int i) /输入数字是时的处理函数 if(m_ForS=1)if(m_firx=FALSE) /整数数部分m_firstz*=10;m_firstz+=i; else /小数部分 m_firxw+;m_firstx+=pow(10,(-1)*m_firxw)*i;m_first=m_firzorf*(m_firstz+m_firstx);m_x=m_first; m_sfmf=FALSE;m_mfir=0;UpdateData(FALSE);else if(m_ForS=2) /第二个数, 处理同第一个数 m_EnterSec=TRUE; /将指示是否输入第二个数的变量置为真if(m_secx=FALSE)m_secondz*=10;m_secondz+=i;else m_secxw+;m_secondx+=pow(10,(-1)*m_secxw)*i;m_second=m_seczorf*(m_secondz+m_secondx);m_sfms=FALSE;m_msec=0;m_x=m_second;UpdateData(FALSE); void CCacl2Dlg:AddFun(int j) /输入运算符时