gusucode.com > VC 点对点文件传输实例 > VC 点对点文件传输实例/code/www.NewXing.com/Server_FileTransfer/Server_FileTransferDlg.cpp

    // Server_FileTransferDlg.cpp : implementation file

// Download by http://www.NewXing.com
#include "stdafx.h"
#include "Server_FileTransfer.h"
#include "Server_FileTransferDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CServer_FileTransferDlg dialog

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

void CServer_FileTransferDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CServer_FileTransferDlg)
	DDX_Control(pDX, IDC_STATIC_LISTENSTATUS, m_staticListenStatus);
	DDX_Control(pDX, IDC_LIST_FILELIST, m_ListFile);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CServer_FileTransferDlg, CDialog)
	//{{AFX_MSG_MAP(CServer_FileTransferDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_ADDFILE, OnButtonAddfile)
	ON_WM_DESTROY()
	ON_BN_CLICKED(IDC_BUTTON_EXIT, OnButtonExit)
	ON_NOTIFY(NM_RCLICK, IDC_LIST_FILELIST, OnRclickListFilelist)
	//}}AFX_MSG_MAP
	ON_MESSAGE(WM_STARTLISTEN, OnStartListen)
	ON_MESSAGE(WM_SENDFILELIST, OnSendFileList) //消息映射
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CServer_FileTransferDlg message handlers

BOOL CServer_FileTransferDlg::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
	
	InitListColumn(); //初始化文件列表

	m_pServer = new CTCPServer_FT(this);//初始化对象指针，为this
	if(m_pServer != NULL)
	{
		m_pServer->SetListenPort(7000);//设置端口
		m_pServer->ListenRequest();//开始监听
	}

	return TRUE;  // return TRUE  unless you set the focus to a control
}

// 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 CServer_FileTransferDlg::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 CServer_FileTransferDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

//初始化列表函数
void CServer_FileTransferDlg::InitListColumn()
{
	int iWidth = 50;
	m_ListFile.InsertColumn(0, "File Name", LVCFMT_LEFT, 3*iWidth, -1);
	m_ListFile.InsertColumn(1, "File Size", LVCFMT_LEFT, 2*iWidth, -1);
	m_ListFile.InsertColumn(2, "Full Path", LVCFMT_LEFT, 5*iWidth, -1);
	//插入列：左对齐，无子列
	m_ListFile.SetExtendedStyle(LVS_EX_FULLROWSELECT|LVS_EX_GRIDLINES);
	//设置列表扩展样式：整行选中|带网格
}

//添加文件
void CServer_FileTransferDlg::OnButtonAddfile() 
{
	// TODO: Add your control notification handler code here
	CFileDialog dlg(TRUE, NULL, NULL, OFN_HIDEREADONLY|OFN_ALLOWMULTISELECT, "All Files(*.*)|*.*||", this);
	//创建一个打开对话框，只读|可多选，所有类型，获得当前指针
	if(dlg.DoModal() == IDOK)
	{
		POSITION pos = dlg.GetStartPosition();//返回文件列表中第一个文件的位置

		while(pos != NULL)//文件位置存在
		{
			CString strPathName = dlg.GetNextPathName(pos);//获取下一个文件路径
			CFile file;
			BOOL bResult = file.Open(strPathName, CFile::modeRead|CFile::shareDenyNone, NULL);
			//打开指定文件
			if(!bResult)//打开不成功
				continue; //结束本次循环，继续下次循环
			CString strFileName = file.GetFileName();//得到文件名
			long lFileLength = file.GetLength();
			file.Close();
			
			CString strFileSize;//显示文件大小
			strFileSize.Format("%0.2fk", (float)lFileLength/1024);
			//精确到小数点后两位，单位字节

			int iItem = m_ListFile.GetItemCount();//获取文件列表元素个数
			LV_ITEM lvi;//结构体ListView Item，指定或接收属性
			
			lvi.mask = LVIF_TEXT|LVIF_PARAM;
			lvi.iItem = iItem;
			lvi.iSubItem = 0;
			lvi.lParam = lFileLength;
			lvi.pszText = strFileName.GetBuffer(0);//返回CString中指向字符串的指针
			m_ListFile.InsertItem(&lvi);//插入列表
			m_ListFile.SetItemText(iItem, 1, strFileSize.GetBuffer(0));
			m_ListFile.SetItemText(iItem, 2, strPathName.GetBuffer(0));
		}
	}
}

//消息函数
LRESULT CServer_FileTransferDlg::OnStartListen(WPARAM wParam, LPARAM lParam)
{
	m_staticListenStatus.SetWindowText("正在监听!");
	return 0;
}

LRESULT CServer_FileTransferDlg::OnSendFileList(WPARAM wParam, LPARAM lParam)
{
	SOCKET sock = *(SOCKET*)wParam;//创建socket
	int iTotal = m_ListFile.GetItemCount();
	MSGFILELIST msgFileList;//结构体，文件列表缓冲区
	for(int i=0; i<iTotal; i++)
	{
		msgFileList.lFileLength = m_ListFile.GetItemData(i);//文件长度
		strcpy(msgFileList.sServerPath, m_ListFile.GetItemText(i, 2));
		//文件路径
		int iSendCnt = send(sock, (char*)&msgFileList, sizeof(msgFileList), 0);
		//发送至socket
	}
	return 0;
}

//清除工作
//OnDestroy is called after the CWnd object is removed from the screen. 
void CServer_FileTransferDlg::OnDestroy() 
{
	CDialog::OnDestroy();
	
	// TODO: Add your message handler code here
	if(m_pServer != NULL)
	{
		m_pServer->StopListen();
		delete m_pServer;
	}

}

void CServer_FileTransferDlg::OnButtonExit() 
{
	// TODO: Add your control notification handler code here
	OnOK();
}

void CServer_FileTransferDlg::OnRclickListFilelist(NMHDR* pNMHDR, LRESULT* pResult) 
{
	// TODO: Add your control notification handler code here
	
	*pResult = 0;
}