webprogramdlg.cpp

一个有趣的网络连接程序,输入地址可直接连接到该网站上

// WebProgramDlg.cpp : implementation file
//

#include "stdafx.h"
#include "afxinet.h"
#include "WebProgram.h"
#include "WebProgramDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CWebProgramDlg dialog

CWebProgramDlg::CWebProgramDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CWebProgramDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CWebProgramDlg)
	m_Address = _T("");
	m_WebText = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CWebProgramDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CWebProgramDlg)
	DDX_Text(pDX, IDC_EDIT2, m_Address);
	DDX_Text(pDX, IDC_EDIT1, m_WebText);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CWebProgramDlg, CDialog)
	//{{AFX_MSG_MAP(CWebProgramDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnConnect)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CWebProgramDlg message handlers

BOOL CWebProgramDlg::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 CWebProgramDlg::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 CWebProgramDlg::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 CWebProgramDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}


void CWebProgramDlg::OnConnect() 
{
	// TODO: Add your control notification handler code here
	this->UpdateData(TRUE); 
	if(this->m_Address.Left(7)=="http://")  
	{
		this->OnHttp(); 
	}
	if(this->m_Address.Left(8)=="file:///")  
	{
		this->OnFile(); 
	}
	if(this->m_Address.Left(6)=="ftp://")  
	{
		this->OnFtp(); 
	}
	this->UpdateData(FALSE);
}

void CWebProgramDlg::OnHttp() 
{
	CInternetSession m_HttpSession(NULL,0);
	CHttpFile* m_HttpFile=NULL;
	m_HttpFile=(CHttpFile*)m_HttpSession.OpenURL(this->m_Address);  
	if(m_HttpFile)
	{
		CString m_Text;
		while(m_HttpFile->ReadString(m_Text)) 
		{
			this->m_WebText+=m_Text+"\r\n";
		}
		m_HttpFile->Close();
		delete m_HttpFile;
	}
	UpdateData(FALSE);
}


void CWebProgramDlg::OnFile()
{
	CInternetSession m_FileSession(NULL,0);
	CHttpFile* m_File=NULL;
	m_File=(CHttpFile*)m_FileSession.OpenURL(this->m_Address);  
	if(m_File)
	{
		CString m_Text;
		while(m_File->ReadString(m_Text)) 
		{
			this->m_WebText+=m_Text+"\r\n";
		}
		m_File->Close();
		delete m_File;
	}
	UpdateData(FALSE);
}

void CWebProgramDlg::OnFtp()
{
	CInternetSession m_FtpSession(NULL,0);	
	CFtpConnection* m_Ftp=NULL;
	m_Ftp=m_FtpSession.GetFtpConnection(this->m_Address);  
	if(m_Ftp)
	{
		CString m_Text;
		m_Ftp->GetCurrentDirectory(m_Text); 
		this->m_WebText+="Current directory: "+m_Text+"\r\n";
		m_Ftp->Close();
		delete m_Ftp;
	}
	m_FtpSession.Close();
	UpdateData(FALSE);
}