httplookdlg.cpp

初学者学习HTTP协议的有用代码

// HttpLookDlg.cpp : implementation file
//

#include "stdafx.h"
#include "HttpLook.h"
#include "Request.h"
#include "HttpLookDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CHttpLookDlg dialog

CHttpLookDlg::CHttpLookDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CHttpLookDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CHttpLookDlg)
	m_strURL = _T("about:blank");
	m_strPost = _T("");
	m_strRecive = _T("");
	m_strSend = _T("");
	m_nMethod = -1;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	AfxInitRichEdit();
}

void CHttpLookDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CHttpLookDlg)
	DDX_Control(pDX, IDC_STATE, m_ctlState);
	DDX_Text(pDX, IDC_URL, m_strURL);
	DDX_Text(pDX, IDC_POST, m_strPost);
	DDX_Text(pDX, IDC_RECIVE, m_strRecive);
	DDX_Text(pDX, IDC_SEND, m_strSend);
	DDX_Radio(pDX, IDC_RADIO_GET, m_nMethod);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CHttpLookDlg, CDialog)
	//{{AFX_MSG_MAP(CHttpLookDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_SendRequest, OnSendRequest)
	ON_MESSAGE(WM_SENDMESSAGE,OnSendMessage)
	ON_BN_CLICKED(IDC_VIEW, OnView)
	ON_BN_CLICKED(IDC_RADIO_POST, OnRadioPost)
	ON_BN_CLICKED(IDC_RADIO_GET, OnRadioGet)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CHttpLookDlg message handlers

BOOL CHttpLookDlg::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
	char* ptrtemp;
	ptrtemp="相应状态：等待发送请求。";
	m_ctlState.SetWindowText(ptrtemp);
	CButton* ptrButton=(CButton*)GetDlgItem(IDC_VIEW);
	ptrButton->EnableWindow(FALSE);
	ptrButton=(CButton*)GetDlgItem(IDC_RADIO_GET);
	ptrButton->SetCheck(1);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CHttpLookDlg::OnOK() 
{
	// TODO: Add extra validation here
//	Request request;
//	UpdateData();
//	HWND hwnd;
//	hwnd=m_hWnd;
//	request.SendRequest((LPCTSTR)m_strURL,hwnd,m_nMethod,m_strSend,m_strRecive,m_strMessage);
	CDialog::OnOK();
}

void CHttpLookDlg::OnSendRequest() 
{
	// TODO: Add your control notification handler code here
	Request request;
	UpdateData();
	HWND hwnd;
	hwnd=m_hWnd;
	request.SendRequest((LPCTSTR)m_strURL,hwnd,m_nMethod,m_strPost,m_strSend,m_strRecive,m_strMessage);
	CButton* ViewButton=(CButton*)GetDlgItem(IDC_VIEW);
	ViewButton->EnableWindow();
	UpdateData(FALSE);
}
void CHttpLookDlg::OnSendMessage(WPARAM wParam,LPARAM lParam)
{
	char * message;
	switch(wParam)
	{
	case 1:
		message="状态：正在请求连接...";
		break;
	case 2:
		message="状态：建立连接成功！";
		break;
	case 3:
		message="状态：建立连接失败！";
		break;
	case 4:
		message="状态：向服务器端发送GET请求。";
		break;
	case 5:
		message="状态：向服务器端发送POST请求。";
		break;
	case 6:
		message="状态：向服务器端发送请求头发送完毕。";
		break;
	case 7:
		message="状态：向服务器端发送请求体发送完毕。";
		break;
	case 8:
		message="状态：服务器端向客户发送响应头。";
		break;
	case 9:
		message="状态：服务器端向客户发送响应头完毕。";
		break;
	case 10:
		message="状态：服务器端向客户发送响应体（网页）。";
		break;
	case 11:
		message="状态：服务器端向客户发送响应体（网页）完毕。";
		break;
	case 12:
		message="状态：响应完毕，结束会话。";
		break;
	default:
		message="状态：空闲";
		break;
	}
	m_ctlState.SetWindowText(message);
	UpdateData(FALSE);
}

void CHttpLookDlg::OnView() 
{
	// TODO: Add your control notification handler code here
	if(!m_strMessage.IsEmpty())
	{
		CFile HtmlFile;
		CFileException e;
		char *HtmlFileName="E:\\View.html";
		CFileStatus status;
		if(CFile::GetStatus(HtmlFileName,status))
			CFile::Remove(HtmlFileName);
		if(!HtmlFile.Open(HtmlFileName,CFile::modeCreate | CFile::modeWrite,&e))
		{
			TCHAR szError[1024];
		     e.GetErrorMessage(szError, 1024);
			 MessageBox(szError);
		}
		HtmlFile.WriteHuge(m_strMessage.GetBuffer(m_strMessage.GetLength()),m_strMessage.GetLength());
//		MessageBox("写文件成功！");
		HtmlFile.Close();
		ShellExecute(NULL,NULL,_T("View.html"),NULL,_T("E:\\"),SW_SHOWMAXIMIZED);
	//	if(WinExec(HtmlFileName,SW_SHOWMAXIMIZED)>31)
	//		MessageBox("打开文件成功！");
	//	MessageBox("打开文件失败！");
	}
}

void CHttpLookDlg::OnRadioPost() 
{
	// TODO: Add your control notification handler code here
	UpdateData();
	if(m_nMethod==1)
	{
		GetDlgItem(IDC_POST)->EnableWindow(TRUE);
	}
	return;
}

void CHttpLookDlg::OnRadioGet() 
{
	// TODO: Add your control notification handler code here
	UpdateData();
	if(m_nMethod==0)
	{
		SetDlgItemText( IDC_POST, "");
		GetDlgItem(IDC_POST)->EnableWindow(FALSE);
	}
	return;
}