userdlg.cpp

MFC编程,功能是查词典(用户可自己导入文本),分词,统计词频,还可以保存结果!我们MFC课的期末作业,强烈推荐!

// UserDlg.cpp : implementation file
//

#include "stdafx.h"
#include "RMM.h"
#include "UserDlg.h"
#include <afxdao.h>
#include <map>
#include <string>

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

/////////////////////////////////////////////////////////////////////////////
// CUserDlg dialog
CDaoDatabase db;
CDaoRecordset RecSet(&db);
typedef  map<CString , int > INT2STRING;
INT2STRING theMap;
INT2STRING::iterator theIterator;
extern CString result;


CUserDlg::CUserDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CUserDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CUserDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CUserDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CUserDlg)
	DDX_Control(pDX, IDC_LIST2, m_ctrUserWordList);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CUserDlg, CDialog)
	//{{AFX_MSG_MAP(CUserDlg)
	ON_BN_CLICKED(IDC_OK, OnOk)
	ON_BN_CLICKED(IDC_CANCEL, OnCancel)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CUserDlg message handlers

BOOL CUserDlg::OnInitDialog() 
{
	 int nPos1=1,i=0;
	 int len;
     CString rresult,tresult;
	CDialog::OnInitDialog();
	m_ctrUserWordList.SetExtendedStyle( m_ctrUserWordList.GetExtendedStyle() | LVS_EX_GRIDLINES | LVS_EX_FULLROWSELECT );
	m_ctrUserWordList.InsertColumn( 0, "词");
	m_ctrUserWordList.InsertColumn( 1, "次数");
   
	m_ctrUserWordList.SetColumnWidth( 0, 100);
	m_ctrUserWordList.SetColumnWidth( 1, 400);
	
	char buffer[10];
   
  
   // construct the map
 	while(nPos1!=-1)	
		{
		  len=result.GetLength();
		  nPos1=result.Find(" ");
		  tresult=result;
		  result=result.Left(nPos1);
		  if(nPos1!=-1)
		  {
			  theIterator = theMap.find(result);
              if(theIterator == theMap.end() )
			    theMap.insert(INT2STRING::value_type(result,1));  
		      else
				(*theIterator).second++; 
		  }
		  result=tresult.Right(len-nPos1-1);
		  
	}    
		      theIterator = theMap.find(result);
              if(theIterator == theMap.end() )
			    theMap.insert(INT2STRING::value_type(result,1));  
		      else
				(*theIterator).second++; 
 
	theIterator=theMap.begin();
	theIterator++;
	while(theIterator != theMap.end())
	{
        sprintf(buffer,"%d",(*theIterator).second);
		m_ctrUserWordList.InsertItem( i, (*theIterator).first);
		m_ctrUserWordList.SetItemText( i, 1,buffer);
		theIterator++;
		i++;
	}
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CUserDlg::OnOk() 
{
	// TODO: Add your control notification handler code here
	CString sPath;
	GetModuleFileName(NULL,sPath.GetBufferSetLength (MAX_PATH+1),MAX_PATH);
	sPath.ReleaseBuffer ();
	int nPos;
	char sword[1024];
	char scount[1024];
	nPos=sPath.ReverseFind ('\\');
	sPath=sPath.Left (nPos);

	CString lpszFile = sPath + "\\Demo.mdb";
	char szSql[1024];
	CFileFind  fFind;
	BOOL bSuccess;
	bSuccess=fFind.FindFile(lpszFile);

	fFind.Close ();

	if(!bSuccess){
		db.Create(lpszFile);

		CString SqlCmd = "CREATE TABLE DemoTable(word VARCHAR(20),count VARCHAR(3));";
		db.Execute(SqlCmd);
		
		RecSet.Open(AFX_DAO_USE_DEFAULT_TYPE,"SELECT * FROM DemoTable", 0);
        for ( int iCnt=0;iCnt<m_ctrUserWordList.GetItemCount();iCnt++ ){
		         m_ctrUserWordList.GetItemText(iCnt,0,sword,1024);
		         m_ctrUserWordList.GetItemText(iCnt,1,scount,1024);
         sprintf(szSql,"INSERT INTO DemoTable (word,count) VALUES ('%s','%s')",sword,scount);
		 db.Execute(szSql);
		}
	}
	MessageBox("保存成功!");
}

void CUserDlg::OnCancel() 
{
	// TODO: Add your control notification handler code here
	
}