chapter14view.cpp

第14章 MFC文件操作.rar 第14章 MFC文件操作.rar 第14章 MFC文件操作.rar

// Chapter14View.cpp : implementation of the CChapter14View class
//

#include "stdafx.h"
#include "Chapter14.h"

#include "Chapter14Doc.h"
#include "Chapter14View.h"
#include "FileRW.h"
#include "FleFd.h"
#include "ShellOperation.h"

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

#define nColumns 20
#define nRows 50
#define STR_LEN 20

/////////////////////////////////////////////////////////////////////////////
// CChapter14View

IMPLEMENT_DYNCREATE(CChapter14View, CListView)

BEGIN_MESSAGE_MAP(CChapter14View, CListView)
	//{{AFX_MSG_MAP(CChapter14View)
	ON_COMMAND(ID_CFile, OnCFile)
	ON_COMMAND(ID_CFileFind, OnCFileFind)
	ON_COMMAND(ID_CSdioFile, OnCSdioFile)
	ON_COMMAND(ID_shell_operation, Onshelloperation)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CListView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CListView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CListView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CChapter14View construction/destruction

CChapter14View::CChapter14View()
{
	// TODO: add construction code here

}

CChapter14View::~CChapter14View()
{
}

BOOL CChapter14View::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CListView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CChapter14View drawing

void CChapter14View::OnDraw(CDC* pDC)
{
	CChapter14Doc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
}

void CChapter14View::OnInitialUpdate()
{
	// TODO: You may populate your ListView with items by directly accessing
	//  its list control through a call to GetListCtrl().
	CListCtrl *ctl;
	//获取列表视所对应的列表控件
	ctl=&GetListCtrl();
	//设置列表控件的北京颜色
	ctl->SetTextBkColor(RGB(192,192,192));	
	//设置列的题头
	ctl->InsertColumn (0, _T("#"), LVCFMT_LEFT, 20);
	//插入列头
	for (int nColumn = 1; nColumn < nColumns - 1; nColumn++)
	{
		ctl->InsertColumn (nColumn, CString ((TCHAR)(_T('A') + \
			nColumn - 1)), LVCFMT_LEFT, 70);
	}
	//插入列表记录
	for (int i = 0; i < nRows; i++)
	{
		CString str;
		str.Format ("%d", i);
		ctl->InsertItem (i, str);
		ctl->SetItemData (i, i);
		
		for (nColumn = 1; nColumn < nColumns - 1; nColumn++)
		{
			str.Format ("Item (%d, %d)", nColumn - 1, i);
			ctl->SetItemText (i, nColumn, str);
		}
	}
	//设置列表控件风格
	DWORD dwStyle;
	dwStyle=::GetWindowLong(ctl->m_hWnd,GWL_STYLE);
    dwStyle|=LVS_REPORT|LVS_SHOWSELALWAYS|LVS_EDITLABELS;	
	::SetWindowLong(ctl->m_hWnd,GWL_STYLE,dwStyle);
	dwStyle=ctl->GetExtendedStyle();
	dwStyle|= LVS_EX_GRIDLINES|LVS_EX_FULLROWSELECT|\
		LVS_EX_HEADERDRAGDROP|LVS_EX_TRACKSELECT;
    ctl->SetExtendedStyle(dwStyle);	
	CListView::OnInitialUpdate();
}

/////////////////////////////////////////////////////////////////////////////
// CChapter14View printing

BOOL CChapter14View::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CChapter14View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CChapter14View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CChapter14View diagnostics

#ifdef _DEBUG
void CChapter14View::AssertValid() const
{
	CListView::AssertValid();
}

void CChapter14View::Dump(CDumpContext& dc) const
{
	CListView::Dump(dc);
}

CChapter14Doc* CChapter14View::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CChapter14Doc)));
	return (CChapter14Doc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CChapter14View message handlers

void CChapter14View::OnCFile() 
{
	// TODO: Add your command handler code here
	//定义变量
	HLOCAL hMem;
	char* pbyte;
	//提示信息
	CString strHint;
	CFileRW file;
	if(file.DoModal()!=IDOK)
		return;
	//定义读写文件对象
	CFile strFileR,strFileW;
	//取得文件名称，只含文件名和最后一个'\'
	LPTSTR pstrBack = _tcsrchr(file.m_sourcePath, '\\');
	CString strFile,strDesFullPath;
	strFile.Format("%s",pstrBack);
	//设置写文件的全路径（含文件名）
	strDesFullPath=file.m_destinationPath+strFile;
	//打开文件
	strFileR.Open(file.m_sourcePath,CFile::modeRead|CFile::shareDenyWrite);
	//分配内存，将读出的数据放入其中
	 hMem=LocalAlloc(LHND, strFileR.GetLength()+1);
	if (hMem == NULL)
	{
		//分配内存失败
		return;
	}
	// 锁定内存
	pbyte = (char * )LocalLock(hMem);
	//初始化新分配的内存，设定初始值为0
	memset(pbyte, (BYTE)0, strFileR.GetLength()+1);
	//提示信息
	strHint.Format("开始读取文件%s",file.m_sourcePath);
	AfxMessageBox(strHint);
	//读取文件到内存，注意这里是ReadHuge而非Read
	strFileR.ReadHuge(pbyte,strFileR.GetLength());
	//打开写文件
	strFileW.Open(strDesFullPath,CFile::modeCreate|\
		CFile::modeWrite|CFile::shareDenyRead);	
	//写文件，注意这里是WriteHuge而非Write
	strFileW.WriteHuge(pbyte,strFileR.GetLength());
	//提示信息
	strHint.Format("文件写到%s完毕",strDesFullPath);
	AfxMessageBox(strHint);
	//释放内存
	LocalUnlock(pbyte);
	LocalFree(hMem);
	//关闭文件
	strFileR.Close();
	strFileW.Close();	
}

void CChapter14View::OnCFileFind() 
{
	// TODO: Add your command handler code here
	//声明对话框
	CFleFd flfddlg;
	if(flfddlg.DoModal()!=IDOK)
		return;
}

void CChapter14View::OnCSdioFile() 
{
	// TODO: Add your command handler code here
	CListCtrl *ctl;
	//获取列表控件
	ctl=&GetListCtrl();
	CString strHint;
	//打开文件对话框
	CFileDialog myFileDlg(FALSE,"txt",_T("CStdioFile写文件"),NULL,
		"Text(*.txt)|*.txt|All Files(*.*)|*.*||",NULL);
	myFileDlg.m_ofn.lpstrTitle=_T("请选择保存路径:");
	//文件名
	CString strfilename;
	if(myFileDlg.DoModal()!=IDOK)
		return;
	
    strfilename=myFileDlg.GetFileName();
	CString strSub;
	CString str1;
	//定义CStdioFile对象
	CStdioFile ExportFile;
	ExportFile.Open(strfilename,CFile::modeCreate|CFile::modeWrite,NULL);
	//访问列表控件成员
	int iHdrItemCount;//字段数
	int iListItemCount;//记录数
	//获取列表头控件
	CHeaderCtrl* pHdrCtl=ctl->GetHeaderCtrl();
	iHdrItemCount=pHdrCtl->GetItemCount();
	
	iListItemCount=ctl->GetItemCount();
	CString strCount;
	strCount.Format("共有记录:%d条。",iListItemCount);
	CString time;
	//GetCurrentTime() 属于类的静态成员函数，因此直接调用
	CTime t=CTime::GetCurrentTime();
	CString strTime="CStdioFile文件建立于：20%y-%m-%d %H:%M:%S ";
	strTime=t.Format(strTime);
	strTime+=strCount;
	ExportFile.WriteString(strTime+"\n\n");	
	//提示信息
	strHint.Format("开始写文件%s",strfilename);
	AfxMessageBox(strHint);
	//控件标签文字
	LVCOLUMN  lvcom;
	lvcom.mask = LVCF_TEXT;
	lvcom.cchTextMax = _MAX_PATH;	
	char strCaption[_MAX_PATH];
	lvcom.pszText =strCaption;	
	//	lvcom.pszText = new char[_MAX_PATH];
	for(int k=0;k<iHdrItemCount;k++)
	{
		ctl->GetColumn(k,&lvcom);
		str1.Format("%s",lvcom.pszText);
		strSub+=MakeStr(str1,15);
	}
	ExportFile.WriteString(strSub+"\n");

	strSub="";
	int j=ctl->GetItemCount();
	int jj=ctl->GetHeaderCtrl()->GetItemCount();
	
	for(int i=0;i<j;i++)
	{
   		   for(int k=0;k<jj;k++)
		   {			  
			   str1=ctl->GetItemText(i,k);
			   strSub+=MakeStr(str1,15);
		   }
		   ExportFile.WriteString(strSub+"\n");
		   //清空更新
		   strSub="";		   
	}
	ExportFile.Close();
	//提示信息
	strHint.Format("文件写到%s完毕",strfilename);
	AfxMessageBox(strHint);
}

CString CChapter14View::MakeStr(CString &str, short size)
{
	char buf[STR_LEN];
	//将内存全置' '
	for(int i=0;i<size;++i)
		buf[i]=' ';
	CString str1;
	str1.Format("%s",buf);
	str+=str1;
	return str.Left(size);
}

void CChapter14View::Onshelloperation() 
{
	// TODO: Add your command handler code here
	CShellOperation shellOp;
	shellOp.DoModal();
}