ASCII与字符互转(c++示例源码)

【实例截图】

【核心代码】

// ASCII互转Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "ASCII互转.h"
#include "ASCII互转Dlg.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()

/////////////////////////////////////////////////////////////////////////////
// CASCIIDlg dialog

CASCIIDlg::CASCIIDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CASCIIDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CASCIIDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CASCIIDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CASCIIDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CASCIIDlg, CDialog)
	//{{AFX_MSG_MAP(CASCIIDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CASCIIDlg message handlers

BOOL CASCIIDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

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

	// 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
}

void CASCIIDlg::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 CASCIIDlg::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 CASCIIDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

int hexStrToHexBuf(BYTE *src,int srcLen,BYTE *dest)
{
	int i;
	char n;
	
	if(srcLen % 2 != 0) {
		return 0;
	}
	
	memset(dest, 0, srcLen/2);
	
	for(i=0; i<srcLen; i  )
	{
		n = src[i];
		
		if(islower(n)) {                 // a f -> A F
			n = toupper(n);
		}
		
		n -= 0x30;
		n = (n > 9) ? (n - 7) : n;       // 16进制转为10进制数
		
		if(i%2 == 0) {
			dest[i/2] = n << 4;
		} else {
			dest[i/2] |= n;
		}
	}
	
	return srcLen/2;
}

int hexBufToHexStr(BYTE *src, int srcLen, char * dest) 
{
	int i;
	char n;
	
	for(i=0; i<srcLen; i  ) {
		n = (src[i] & 0xF0) >> 4;
		
		if(n <= 9) {
			n  = 0x30;
		} else {
			n = n - 10   'A';
		}
		
		dest[i * 2] = n;
		
		n= src[i] & 0x0F;
		
		if(n <= 9) {
			n  = 0x30;
		} else {
			n = n - 10   'A';
		}
		
		dest[i * 2   1] = n;
	}
	return srcLen * 2;
}
CString aTobcd(LPCTSTR src){
    BYTE * Data;
	char bResult[2000];
	CString Result;
    
	int dLen=strlen(src);
	Data =(BYTE*)src;
	
    hexBufToHexStr(Data,dLen,bResult);
	
	Result=bResult;
	
	return Result.Left(2*dLen);
}
CString bcdToa(LPCTSTR src)
{
	BYTE * Data;
	BYTE  Result[2000];
	CString resultstr;
	int src_len;
	Data = (BYTE *) src;
	src_len = strlen(src);
	hexStrToHexBuf(Data,src_len,Result);
	resultstr = Result;
	return resultstr.Left(src_len/2);
}
void CASCIIDlg::OnButton1() 
{
	// TODO: Add your control notification handler code here
	CString WW;
	
	WW="FF";
	// 	AfxMessageBox(WW);
	// 	GetDlgItemText(Txt_Display,WW);
	WW=aTobcd(WW);
AfxMessageBox(WW);
}

void CASCIIDlg::OnButton2() 
{
	// TODO: Add your control notification handler code here
	CString VALUE="4646";
	VALUE=bcdToa(VALUE);
	AfxMessageBox(VALUE);
}