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2017-07-25T20:27:27+00:00
[VC(Visual C++) ]- 05_定時判斷是否可連上網際網路並做時間記錄
本篇分享05_定時判斷是否可連上網際網路並做時間記錄(Timer 應用)程式，有興趣的(C/P)同好，歡迎來http://filemarkets.com/file/jashliao/77abb024/索取，因為我不會上傳檔案分享哈哈 ^ ^。
主要程式碼
// OfflineDlg.cpp : implementation file
//
#include "stdafx.h"
#include "Offline.h"
#include "OfflineDlg.h"
#include
#include
#ifdef _DEBUG
#definenew DEBUG_NEW
#undef THIS_FILE
staticchar THIS_FILE[] = __FILE__;
#endif
FILE *fp=NULL;
/////////////////////////////////////////////////////////////////////////////
// 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:
virtualvoid 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()
/////////////////////////////////////////////////////////////////////////////
// COfflineDlg dialog
COfflineDlg::COfflineDlg(CWnd* pParent /*=NULL*/)
: CDialog(COfflineDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(COfflineDlg)
m_v1 = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void COfflineDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(COfflineDlg)
DDX_Text(pDX, IDC_EDIT1, m_v1);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(COfflineDlg, CDialog)
//{{AFX_MSG_MAP(COfflineDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
ON_WM_TIMER()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// COfflineDlg message handlers
BOOL COfflineDlg::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 COfflineDlg::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 COfflineDlg::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 COfflineDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void COfflineDlg::OnButton1()
{
// TODO: Add your control notification handler code here
fp=fopen("record.txt","w");
Sleep(1000);
fclose(fp);
SetTimer(1,180000,NULL);
}
void COfflineDlg::OnTimer(UINT nIDEvent)
{
// TODO: Add your message handler code here and/or call default
DWORD dwFlags;
dwFlags=0;
char *pchrTime=NULL;
char *pchrv1=NULL;
CTime t1=CTime::GetCurrentTime();
CString m_strTime = t1.Format("%Y-%m-%d %H:%M:%S");
pchrTime=m_strTime.GetBuffer(0);
fp=fopen("record.txt","a");
UpdateData(true);
if(InternetCheckConnection("http://tw.yahoo.com",FLAG_ICC_FORCE_CONNECTION,dwFlags))
{
m_v1="OK";
}
else
{
m_v1="Don't Work";
}
UpdateData(false);
pchrv1=m_v1.GetBuffer(0);
fprintf(fp,"%s\t%s\n",pchrTime,pchrv1);
fclose(fp);
CDialog::OnTimer(nIDEvent);
}
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