www.pudn.com > LuckLottery.rar > InputDialog.cpp

// InputDialog.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "LuckyLottery.h" 
#include "InputDialog.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// InputDialog dialog 
 
 
InputDialog::InputDialog(CWnd* pParent /*=NULL*/) 
	: CDialog(InputDialog::IDD, pParent) 
{ 
	char buffer[(9 * 15)]; 
	//{{AFX_DATA_INIT(InputDialog) 
	m_input_lottery = _T(""); 
	m_display_lottery = _T(""); 
	//}}AFX_DATA_INIT 
    pFileName = _T("E:\\vc_work\\LOTTERY\\LotteryFile.txt"); 
	MyFile.Open(pFileName, CFile::modeCreate | CFile::modeNoTruncate | CFile::modeReadWrite); 
	if (MyFile.GetLength() < (9 * 15)) 
		MyFile.SeekToBegin(); 
	else 
		MyFile.Seek(-(9 * 15), CFile::end); 
	memset(buffer, 0, (9 * 15)); 
	MyFile.Read(buffer, (9 * 15)); 
	m_display_lottery += buffer; 
} 
 
 
void InputDialog::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(InputDialog) 
	DDX_Text(pDX, IDC_INPUT_LOTTERY, m_input_lottery); 
	DDV_MaxChars(pDX, m_input_lottery, 7); 
	DDX_Text(pDX, IDC_DISPLAY_LOTTERY, m_display_lottery); 
	//}}AFX_DATA_MAP 
} 
 
 
BEGIN_MESSAGE_MAP(InputDialog, CDialog) 
	//{{AFX_MSG_MAP(InputDialog) 
	ON_BN_CLICKED(IDC_NEXT_LOTTERY, OnNextLottery) 
	ON_BN_CLICKED(ID_FINISH_LOTTERY, OnFinishLottery) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// InputDialog message handlers 
 
void InputDialog::OnNextLottery()  
{ 
	// TODO: Add your control notification handler code here 
	char buffer[9 * (IN_NUM/OUT_NUM)]; 
    UpdateData(TRUE); 
    m_input_lottery += '\n'; 
	for(int i=0; i<7; i++) 
		if ((m_input_lottery[i] > '9') || (m_input_lottery[i] < '0')) 
		{ 
			AfxMessageBox("ÊäÈë´íÎó,ÇëÖØÊä!"); 
			return;	 
		} 
	MyFile.SeekToEnd(); 
	MyFile.Write(m_input_lottery, 8); 
	if (MyFile.GetLength() < (9 * (IN_NUM / OUT_NUM))) 
		MyFile.SeekToBegin(); 
	else 
		MyFile.Seek(-(9 * (IN_NUM / OUT_NUM)), CFile::end); 
	m_display_lottery = _T(""); 
	memset(buffer, 0, (9 * (IN_NUM / OUT_NUM))); 
	MyFile.Read(buffer, (9 * (IN_NUM / OUT_NUM))); 
	m_display_lottery += buffer; 
    m_input_lottery = _T(""); 
    UpdateData(FALSE); 
} 
 
void InputDialog::OnFinishLottery()  
{ 
	// TODO: Add your control notification handler code here 
	MyFile.Close(); 
	OnOK(); 
}