delfilesdlg.cpp

主要是完成对某个文件目录下

// DelFilesDlg.cpp : implementation file
//

#include "stdafx.h"
#include "direct.h"
#include "DelFiles.h"
#include "DelFilesDlg.h"
#include "WzdDrDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CDelFilesDlg dialog

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

void CDelFilesDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDelFilesDlg)
	DDX_Text(pDX, IDC_FILEPATH, m_strFilePath);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CDelFilesDlg, CDialog)
	//{{AFX_MSG_MAP(CDelFilesDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BTN_BROWSE, OnBtnBrowse)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDelFilesDlg message handlers

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

void CDelFilesDlg::OnBtnBrowse() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);	
	CWzdDirDlg dlg;
	CString dir=dlg.GetDirectory(this,m_strFilePath);
	if(!dir.IsEmpty())
	{
		m_strFilePath=dir;
		UpdateData(FALSE);	
	}	
	
}

void CDelFilesDlg::OnOK() 
{
	// TODO: Add extra validation here
	
    UpdateData(TRUE);
	if(m_strFilePath.IsEmpty())
	{
		MessageBox("请先选择或输入要处理的文件夹路径!");
		return;
	}

    	
	long count;
	count=ScanDirectory(m_strFilePath); 
    if(count<=0)
	{
		AfxMessageBox("文档的总数为0! 扫描文件夹无文档!");
		return;
	}	
	else
	{
		AfxMessageBox("文件夹中小于1k文档已删除完毕!");
		return;

	}
	
//	CDialog::OnOK();
}



long CDelFilesDlg::ScanDirectory(CString strPath)
{
    CStdioFile File;
	if(_chdir(strPath))  // if can't find the dir
	{
		CString	csTmp = "目录";
		csTmp+=strPath;
		csTmp+="不存在!";
		AfxMessageBox(csTmp);
		return -1;
	}

    //获取文档名
	CString m_strDocName;
	//文档全路经名
    CString m_strDocPathName;
	//文档ID
	long    m_lCurDocID=0;
	BOOL ifopen;
    int FileLength;
	
	HANDLE hFinder;
	LPWIN32_FIND_DATA lpFindFileData;	
	lpFindFileData  = new WIN32_FIND_DATA;
	hFinder = ::FindFirstFile("*.*",lpFindFileData );
	while(::FindNextFile(hFinder,lpFindFileData))
	{
		if( !strcmp(lpFindFileData->cFileName,".") || !strcmp(lpFindFileData->cFileName,"..") )
			continue;

		if(!(lpFindFileData->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
		{
		    m_strDocName=lpFindFileData->cFileName;	
			m_strDocPathName=m_strFilePath+"\\"+m_strDocName;
            ifopen=File.Open(m_strDocPathName,CFile::modeRead);
			if (ifopen==FALSE)
			{
				AfxMessageBox("无法打开该文档");
			}
            else
			{	
	        	FileLength=File.GetLength();		
			}
			File.Close();
			if ((ifopen==FALSE)||(FileLength<1024))
			{
				DeleteFile(m_strDocPathName);
			}
			m_lCurDocID++;
		}
	}

	delete	lpFindFileData;
	return m_lCurDocID;
}