1 // CalculatorDemoDlg.cpp : implementation file  2   3   4 #include "stdafx.h"  5 #include "TestCalculatorDemo.h"  6 #include "CalculatorDemoDlg.h"  7 #include "math.h"  8 #include "string"  9  10 #ifdef _DEBUG 11 #define new DEBUG_NEW 12 #undef THIS_FILE 13 static char THIS_FILE[] = __FILE__; 14 #endif 15  16 ///// 17 // CCalculatorDemoDlg dialog 18  19  20 CCalculatorDemoDlg::CCalculatorDemoDlg(CWnd* pParent /*=NULL*/) 21     : CDialog(CCalculatorDemoDlg::IDD, pParent) 22 { 23     //{
    {AFX_DATA_INIT(CCalculatorDemoDlg) 24         // NOTE: the ClassWizard will add member initialization here 25     //}}AFX_DATA_INIT 26 } 27  28  29 void CCalculatorDemoDlg::DoDataExchange(CDataExchange* pDX) 30 { 31     CDialog::DoDataExchange(pDX); 32     //{
    {AFX_DATA_MAP(CCalculatorDemoDlg) 33         // NOTE: the ClassWizard will add DDX and DDV calls here 34     //}}AFX_DATA_MAP 35 } 36  37  38 BEGIN_MESSAGE_MAP(CCalculatorDemoDlg, CDialog) 39     //{
    {AFX_MSG_MAP(CCalculatorDemoDlg) 40     ON_BN_CLICKED(IDC_BTN_NO1, OnBtnNo1) 41     ON_BN_CLICKED(IDC_BTN_NO2, OnBtnNo2) 42     ON_BN_CLICKED(IDC_BTN_NO3, OnBtnNo3) 43     ON_BN_CLICKED(IDC_BTN_NO4, OnBtnNo4) 44     ON_BN_CLICKED(IDC_BTN_NO5, OnBtnNo5) 45     ON_BN_CLICKED(IDC_BTN_NO6, OnBtnNo6) 46     ON_BN_CLICKED(IDC_BTN_NO7, OnBtnNo7) 47     ON_BN_CLICKED(IDC_BTN_NO8, OnBtnNo8) 48     ON_BN_CLICKED(IDC_BTN_NO9, OnBtnNo9) 49     ON_BN_CLICKED(IDC_BTN_NO0, OnBtnNo0) 50     ON_BN_CLICKED(IDC_BTN_PORT, OnBtnPort) 51     ON_BN_CLICKED(IDC_BTN_ADD, OnBtnAdd) 52     ON_BN_CLICKED(IDC_BTN_SUB, OnBtnSub) 53     ON_BN_CLICKED(IDC_BTN_MUL, OnBtnMul) 54     ON_BN_CLICKED(IDC_BTN_DIV, OnBtnDiv) 55     ON_BN_CLICKED(IDC_BTN_EQUEL, OnBtnEquel) 56     ON_BN_CLICKED(IDC_BTN_PERCENT, OnBtnPercent) 57     ON_BN_CLICKED(IDC_BTN_DOWN, OnBtnDown) 58     ON_BN_CLICKED(IDC_BTN_NEQUA, OnBtnNequa) 59     ON_BN_CLICKED(IDC_BTN_SPACE, OnBtnSpace) 60     ON_BN_CLICKED(IDC_BTN_C, OnBtnC) 61     ON_BN_CLICKED(IDC_BTN_SQRT, OnBtnSqrt) 62     //}}AFX_MSG_MAP 63 END_MESSAGE_MAP() 64  65 ///// 66 // CCalculatorDemoDlg message handlers 67  68 void CCalculatorDemoDlg::OnBtnNo1()  69 { 70     // TODO: Add your control notification handler code here 71     PutIntoNum(1); 72 } 73  74 void CCalculatorDemoDlg::OnBtnNo2()  75 { 76     // TODO: Add your control notification handler code here 77     PutIntoNum(2); 78 } 79  80 void CCalculatorDemoDlg::OnBtnNo3()  81 { 82     // TODO: Add your control notification handler code here 83     PutIntoNum(3); 84 } 85  86 void CCalculatorDemoDlg::OnBtnNo4()  87 { 88     // TODO: Add your control notification handler code here 89     PutIntoNum(4); 90 } 91  92 void CCalculatorDemoDlg::OnBtnNo5()  93 { 94     // TODO: Add your control notification handler code here 95     PutIntoNum(5); 96 } 97  98 void CCalculatorDemoDlg::OnBtnNo6()  99 {100     // TODO: Add your control notification handler code here101     PutIntoNum(6);102 }103 104 void CCalculatorDemoDlg::OnBtnNo7() 105 {106     // TODO: Add your control notification handler code here107     PutIntoNum(7);108 }109 110 void CCalculatorDemoDlg::OnBtnNo8() 111 {112     // TODO: Add your control notification handler code here113     PutIntoNum(8);114 }115 116 void CCalculatorDemoDlg::OnBtnNo9() 117 {118     // TODO: Add your control notification handler code here119     PutIntoNum(9);120 }121 122 void CCalculatorDemoDlg::OnBtnNo0() 123 {124     // TODO: Add your control notification handler code here125     // TODO: Add your control notification handler code here126     //如果第一次输入数字127     if (cs_Num[m_i]=="0") 128     {129         return ;130     }131     cs_Num[m_i]+="0";132     SetDlgItemText(IDC_EDIT_SHOW,cs_Num[m_i]);133     if (!b_Hasport)134     {135         CString temp;136         GetDlgItemText(IDC_EDIT_SHOW,temp);137         temp+=".";138         SetDlgItemText(IDC_EDIT_SHOW,temp);139     }140 }141 142 void CCalculatorDemoDlg::OnBtnPort() 143 {144     //已有小数点时145     if (b_Hasport)146     {147         return;148     }149     //无小数点150     cs_Num[m_i]+=".";151     b_Hasport=TRUE;152     b_Start=TRUE;153     SetDlgItemText(IDC_EDIT_SHOW,cs_Num[m_i]);154 }155 156 157 //四则运算符158 159 void CCalculatorDemoDlg::OnBtnAdd() 160 {161     if (!b_Start)162     {163         return;164     }165     if (en_LastSignl==en_none)166     {167         en_LastSignl=en_add;168     }169     RunOperation(en_LastSignl);170     en_LastSignl=en_add;171 }172 173 void CCalculatorDemoDlg::OnBtnSub() 174 {175     if (!b_Start)176     {177         return;178     }179     180     // TODO: Add your control notification handler code here181     if (en_LastSignl==en_none)182     {183         en_LastSignl=en_sub;184     }185     RunOperation(en_LastSignl);186     en_LastSignl=en_sub;187 }188 189 void CCalculatorDemoDlg::OnBtnMul() 190 {191     if (!b_Start)192     {193         return;194     }195     if (en_LastSignl==en_none)196     {197         cs_Num[1]="1";198         en_LastSignl=en_mul;199     }200     201     RunOperation(en_LastSignl);202     en_LastSignl=en_mul;203 }204 205 void CCalculatorDemoDlg::OnBtnDiv() 206 {207     if (!b_Start)208     {209         return;210     }211     if (en_LastSignl==en_none)212     {213         cs_Num[1]="1";214         en_LastSignl=en_div;215     }216     RunOperation(en_LastSignl);217     en_LastSignl=en_div;218 }219 220 void CCalculatorDemoDlg::OnBtnEquel() 221 {222     // TODO: Add your control notification handler code here223     RunOperation(en_LastSignl);224     //****特殊****225     en_LastSignl=en_none;226     b_Start=TRUE;227 }228 229 BOOL CCalculatorDemoDlg::OnInitDialog() 230 {231     CDialog::OnInitDialog();232     233     // TODO: Add extra initialization here234     InitAllDate();235     return TRUE;  // return TRUE unless you set the focus to a control236                   // EXCEPTION: OCX Property Pages should return FALSE237 }238 239 void CCalculatorDemoDlg::PutIntoNum(int n)240 {241     CString tem_i;242     tem_i.Format("%d",n);243     CString temp;244     //第一次输入245     if (!b_Start)246     {247         cs_Num[m_i]=tem_i;248         b_Start=TRUE;249         SetDlgItemText(IDC_EDIT_SHOW,cs_Num[m_i]);250         if (!b_Hasport)251         {252             GetDlgItemText(IDC_EDIT_SHOW,temp);253             temp+=".";254             SetDlgItemText(IDC_EDIT_SHOW,temp);255         }256         return;257     }258     cs_Num[m_i]+=tem_i;259     SetDlgItemText(IDC_EDIT_SHOW,cs_Num[m_i]);260     if (!b_Hasport)261     {262         GetDlgItemText(IDC_EDIT_SHOW,temp);263         temp+=".";264         SetDlgItemText(IDC_EDIT_SHOW,temp);265     }266 }267 268 void CCalculatorDemoDlg::InitAllDate()269 {270     en_LastSignl=en_none;271     b_Hasport=FALSE;272     b_Start=FALSE;273     b_Hasmul=FALSE;274     b_Hasdiv=FALSE;275     cs_Num[0]="0";276     cs_Num[1]="0";277     m_i=0;278     SetDlgItemText(IDC_EDIT_SHOW,cs_Num[m_i]+".");279 }280 281 void CCalculatorDemoDlg::RunOperation(eum_signl e_signl)282 {283     // TODO: Add your control notification handler code here284     double sum;285     double nAdd1;286     double nAdd2;287     nAdd1=atof(cs_Num[0]);288     nAdd2=atof(cs_Num[1]);289 290     //sum=nAdd1+nAdd2;291     switch(e_signl)292     {293     case en_add:294         sum=nAdd1+nAdd2;295         break;296     case en_sub:297         sum=nAdd1-nAdd2;298         break;299     case en_mul:300         sum=nAdd1*nAdd2;301         break; 302     case en_div:303         sum=nAdd1/nAdd2;304         break;305     }306     307     cs_Num[0].Format("%g",sum);308     SetDlgItemText(IDC_EDIT_SHOW,cs_Num[0]);309     if (!b_Hasport && -1==cs_Num[0].Find('.'))310     {311         CString temp;312         GetDlgItemText(IDC_EDIT_SHOW,temp);313         temp+=".";314         SetDlgItemText(IDC_EDIT_SHOW,temp);315     }316     m_i = 1;317     b_Hasport=FALSE;318     b_Start=FALSE;319     cs_Num[m_i]="0";320 }321 322 //void CCalculatorDemoDlg::RunOperation(eum_signl en_signl)323 //{324 325 //}326 327 void CCalculatorDemoDlg::OnBtnC() 328 {329     // TODO: Add your control notification handler code here330     InitAllDate();331 }332 333 // 根号334 void CCalculatorDemoDlg::OnBtnSqrt() 335 {336     // TODO: Add your control notification handler code here337     if (!b_Start)338     {339         return;340     }341 342     double num;343     CString temp;344     GetDlgItemText(IDC_EDIT_SHOW,temp);345     num=atof(temp);346     num=sqrt(num);347     temp.Format("%lf",num);348     if (temp.Find('.')==-1)349         SetDlgItemText(IDC_EDIT_SHOW,temp+".");350     else351         SetDlgItemText(IDC_EDIT_SHOW,temp);352 }353 354 355 // %356 void CCalculatorDemoDlg::OnBtnPercent() 357 {358     // TODO: Add your control notification handler code here359     360 }361 362 // 1/x363 void CCalculatorDemoDlg::OnBtnDown() 364 {365     // TODO: Add your control notification handler code here366     if (!b_Start)367     {368         return;369     }370     double num;371     CString temp;372     GetDlgItemText(IDC_EDIT_SHOW,temp);373     num=atof(temp);374     num=1/num;375     temp.Format("%lf",num);376     if (temp.Find('.')==-1)377         SetDlgItemText(IDC_EDIT_SHOW,temp+".");378     else379         SetDlgItemText(IDC_EDIT_SHOW,temp);380 }381 382 // +-383 void CCalculatorDemoDlg::OnBtnNequa() 384 {385     // TODO: Add your control notification handler code here386     if (!b_Start)387     {388         return;389     }390     double num;391     CString temp;392     GetDlgItemText(IDC_EDIT_SHOW,temp);393     num=atof(temp);394     num=0-num;395     SetDlgItemText(IDC_EDIT_SHOW , b_Hasport ? temp:temp+".");396 }397 398 // 退格键399 void CCalculatorDemoDlg::OnBtnSpace() 400 {401     // TODO: Add your control notification handler code here402     if (!b_Start)403     {404         return;405     }406     double num;407     CString temp;408     int len;409     CHAR temp_ch[32];410     GetDlgItemText(IDC_EDIT_SHOW,temp);411     //AfxMessageBox(temp);412     num=atof(temp);413     sprintf(temp_ch,"%g",num);414     num=0;415     //AfxMessageBox(temp_ch);416     len=strlen(temp_ch);417     int te_i=len-1;418     if(temp_ch[te_i]=='.')419         te_i-=1,b_Hasport=FALSE;420     temp_ch[te_i]='\0';421     //422     //AfxMessageBox(temp_ch);423     if (strlen(temp_ch)==0)424     {425         temp_ch[0]='0';426         temp_ch[1]='\0';427     }428     //429     sscanf(temp_ch,"%lf",&num);430     temp.Format("%g",num);431     //AfxMessageBox(temp);432     SetDlgItemText(IDC_EDIT_SHOW,b_Hasport?temp:temp+".");433 }

1 #if !defined(AFX_CALCULATORDEMODLG_H__6033594F_8916_49DF_B7FE_B09720CC9632__INCLUDED_) 2 #define AFX_CALCULATORDEMODLG_H__6033594F_8916_49DF_B7FE_B09720CC9632__INCLUDED_ 3  4 #if _MSC_VER > 1000 5 #pragma once 6 #endif // _MSC_VER > 1000 7 // CalculatorDemoDlg.h : header file 8 // 9 10 /////11 // CCalculatorDemoDlg dialog12 //加减乘除四则运算13 enum eum_signl {en_none,en_add,en_sub,en_mul,en_div};14 15 class CCalculatorDemoDlg : public CDialog16 {17 // Construction18 public:19     eum_signl en_LastSignl;20     BOOL b_Hasdiv;21     BOOL b_Hasmul;22     void RunOperation(eum_signl en_signl);23     void InitAllDate();24     void PutIntoNum(int n);25     BOOL b_Hasport;  //是否输入了小数点26     BOOL b_Start;    //是否开始输入一个数据27     int m_i;         //记录当前使用哪个CString28     //存两个数据29     CString cs_Num[2];30 31     CCalculatorDemoDlg(CWnd* pParent = NULL);   // standard constructor32 33 // Dialog Data34     //{
     {AFX_DATA(CCalculatorDemoDlg)35     enum { IDD = IDD_CALC_SLP_DLG };36         // NOTE: the ClassWizard will add data members here37     //}}AFX_DATA38 39 40 // Overrides41     // ClassWizard generated virtual function overrides42     //{
     {AFX_VIRTUAL(CCalculatorDemoDlg)43     protected:44     virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support45     //}}AFX_VIRTUAL46 47 // Implementation48 protected:49 50     // Generated message map functions51     //{
     {AFX_MSG(CCalculatorDemoDlg)52     afx_msg void OnBtnNo1();53     afx_msg void OnBtnNo2();54     afx_msg void OnBtnNo3();55     afx_msg void OnBtnNo4();56     afx_msg void OnBtnNo5();57     afx_msg void OnBtnNo6();58     afx_msg void OnBtnNo7();59     afx_msg void OnBtnNo8();60     afx_msg void OnBtnNo9();61     afx_msg void OnBtnNo0();62     afx_msg void OnBtnPort();63     afx_msg void OnBtnAdd();64     afx_msg void OnBtnSub();65     afx_msg void OnBtnMul();66     afx_msg void OnBtnDiv();67     afx_msg void OnBtnEquel();68     virtual BOOL OnInitDialog();69     afx_msg void OnBtnPercent();70     afx_msg void OnBtnDown();71     afx_msg void OnBtnNequa();72     afx_msg void OnBtnSpace();73     afx_msg void OnBtnC();74     afx_msg void OnBtnSqrt();75     //}}AFX_MSG76     DECLARE_MESSAGE_MAP()77 };78 79 //{
     {AFX_INSERT_LOCATION}}80 // Microsoft Visual C++ will insert additional declarations immediately before the previous line.81 82 #endif // !defined(AFX_CALCULATORDEMODLG_H__6033594F_8916_49DF_B7FE_B09720CC9632__INCLUDED_)