一个简单易行的进制转化的VC小程序

// dDlg.cpp : implementation file // #include "stdafx.h" #include "d.h" #include "dDlg.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() ///////////////////////////////////////////////////////////////////////////// // CDDlg dialog CDDlg::CDDlg(CWnd* pParent /*=NULL*/) : CDialog(CDDlg::IDD, pParent) { //{{AFX_DATA_INIT(CDDlg) m_str = _T(""); //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestrSourceoyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CDDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CDDlg) DDX_Control(pDX, IDC_EDIT1, m_edit); DDX_Text(pDX, IDC_EDIT1, m_str); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CDDlg, CDialog) //{{AFX_MSG_MAP(CDDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_CONVERT, OnConvert) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CDDlg message handlers void CDDlg::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 CDDlg::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 CDDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } #include <math.h> int strHexToInt(char* strSource) { int nTemp=0; CString strTemp; strTemp=strSource; for(char cc='G',dd='g'; cc<='Z',dd<='z'; cc++,dd++) //判断输入的字符串是否合法 { if(strTemp.Find(cc,0) !=-1 || strTemp.Find(dd,0) !=-1) { ::MessageBox(NULL,"请输入正确的16进制字符串!","输入错误",MB_ICONEXCLAMATION); return -1; } } for(int i = 0; i<(int)::strlen(strSource); i++) { int nDecNum; switch(strSource[i]) { case 'a': case 'A': nDecNum = 10; break; case 'b': case 'B': nDecNum = 11; break; case 'c': case 'C': nDecNum = 12; break; case 'd': case 'D': nDecNum = 13; break; case 'e': case 'E': nDecNum = 14; break; case 'f': case 'F': nDecNum = 15; break; case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': nDecNum = strSource[i] - '0'; break; default: return 0; } nTemp += nDecNum * (int)::pow(16,::strlen(strSource)-i -1); } return nTemp; } void CDDlg::OnConvert() { UpdateData(); if(strHexToInt((LPSTR)(LPCTSTR)m_str) !=-1) { CString str; str.Format("%d",strHexToInt((LPSTR)(LPCTSTR)m_str)); SetDlgItemText(IDC_STATE,str); } m_edit.SetWindowText(""); m_edit.SetFocus(); } BOOL CDDlg::OnInitDialog() { CDialog::OnInitDialog(); m_font.CreateFont(48, 0,0,0,FW_BOLD, 0,0,0, DEFAULT_CHARSET, OUT_CHARACTER_PRECIS, CLIP_CHARACTER_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | FF_DONTCARE, "times new roman"); GetDlgItem(IDC_STATE)->SetFont(&m_font); return TRUE; // return TRUE unless you set the focus to a control // EXCEPTION: OCX Property Pages should return FALSE }