mergedlg.cpp

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// MergeDlg.cpp : implementation file
//

#include "stdafx.h"
#include "FileSeperator.h"
#include "MergeDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMergeDlg dialog


CMergeDlg::CMergeDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMergeDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMergeDlg)
	m_sFileName = _T("");
	//}}AFX_DATA_INIT
}


void CMergeDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMergeDlg)
	DDX_Control(pDX, IDC_LIST1, m_list);
	DDX_Text(pDX, IDC_EDIT2, m_sFileName);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CMergeDlg, CDialog)
	//{{AFX_MSG_MAP(CMergeDlg)
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMergeDlg message handlers

void CMergeDlg::OnButton1() 
{
	CFileDialog dlg(TRUE);	
	if(dlg.DoModal() == IDOK)
	{
		m_list.AddString(dlg.GetPathName());
	}
}

void CMergeDlg::OnOK() 
{
	UpdateData(TRUE);
	if (m_sFileName.GetLength() == 0)
	{
		AfxMessageBox("请输入合并后的文件名称");
		return;
	}

	CFile mf;
	mf.Open(m_sFileName, CFile::modeReadWrite|CFile::modeCreate);

	for (int i = 0; i < m_list.GetCount(); i++)
	{
		CFile f;
		CString str;
		m_list.GetText(i,str);
		f.Open(str, CFile::modeRead);
		
		int iSize = f.GetLength();
		int iReadSize = 1024;
		char sContent[1024];
		int iNum = iSize/iReadSize;
		if (iSize%iReadSize != 0)
			iNum++;

		for (int j = 0; j < iNum-1; j++)
		{
			memset(sContent,0,iReadSize);
			f.Read(sContent,iReadSize);
			mf.Write(sContent,iReadSize);
		}

		memset(sContent,0,iReadSize);
		f.Read(sContent,iSize-iReadSize*(iNum-1));
		mf.Write(sContent,iSize-iReadSize*(iNum-1));
		f.Close();

	}
	mf.Close();

	AfxMessageBox("合并完成");
	CDialog::OnOK();
}