mainfrm.cpp

一个随即抽签程序

// MainFrm.cpp : implementation of the CMainFrame class
//

#include "stdafx.h"
#include "Select.h"


#include "MainFrm.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#include <string>
#include <afx.h>
#include   <time.h> 
#include <windows.h> 
#include <tchar.h> 
#include <stdio.h> 

 
#include   <stdlib.h>
using namespace std;
#define   SWAP(p,q)   {u=(p);(p)=(q);(q)=u;}
#define N   110
#define M   3
/////////////////////////////////////////////////////////////////////////////
// CMainFrame

IMPLEMENT_DYNCREATE(CMainFrame, CFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
	//{{AFX_MSG_MAP(CMainFrame)
	ON_WM_CREATE()
	ON_COMMAND(IDM_SELE, OnSele)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

static UINT indicators[] =
{
	ID_SEPARATOR,           // status line indicator
	ID_INDICATOR_CAPS,
	ID_INDICATOR_NUM,
	ID_INDICATOR_SCRL,
};

/////////////////////////////////////////////////////////////////////////////
// CMainFrame construction/destruction

CMainFrame::CMainFrame()
{
	// TODO: add member initialization code here
	
}

CMainFrame::~CMainFrame()
{
}

int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP
		| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
		!m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
	{
		TRACE0("Failed to create toolbar\n");
		return -1;      // fail to create
	}

	if (!m_wndStatusBar.Create(this) ||
		!m_wndStatusBar.SetIndicators(indicators,
		  sizeof(indicators)/sizeof(UINT)))
	{
		TRACE0("Failed to create status bar\n");
		return -1;      // fail to create
	}

	// TODO: Delete these three lines if you don't want the toolbar to
	//  be dockable
	m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
	EnableDocking(CBRS_ALIGN_ANY);
	DockControlBar(&m_wndToolBar);

	return 0;
}

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	if( !CFrameWnd::PreCreateWindow(cs) )
		return FALSE;
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CMainFrame diagnostics

#ifdef _DEBUG
void CMainFrame::AssertValid() const
{
	CFrameWnd::AssertValid();
}

void CMainFrame::Dump(CDumpContext& dc) const
{
	CFrameWnd::Dump(dc);
}

#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMainFrame message handlers

void out(int *a, int *x,int k)   
//从a[N]中随机选出M个元素放入x[M]中   
{   
	int i,p,u;   
	for(i=0; i<M; i++)   
	{   
		p = rand()%(k-i);   
		x[i] = a[p];   
		SWAP(a[p],a[k-i-1]);
		//a[p] = a[N-i-1];
	}  
}   



void CMainFrame::OnSele() 
{
	// TODO: Add your command handler code here
	FILE *pFile=fopen("1.txt","r");
	char *pBuf;
    int len;
	fseek(pFile,0,SEEK_END);
	len=ftell(pFile);
	pBuf=new char[len+1];
	rewind(pFile);
	fread(pBuf,1,len,pFile);
	pBuf[len]=0;
	
	fclose(pFile);
    //	MessageBox(pBuf);

	
    
	char seps[]   = ".\t\n";
	char * token;
	char* data[N];

	CString msg;

   // int count=atoi(ms);
    
	int i=0;
   // printf( "%s\n\nTokens:\n", string );
   /* Establish string and get the first token: */

   token = strtok( pBuf, seps );
   while( token !=NULL )
   {
      /* While there are tokens in "string" */
      // MessageBox(token);
      /* Get next token: */

	 data[i]=token;
	  i++;
      token = strtok( NULL, seps );
   }
   
    int j=0;
	int a[N],x[M];

	srand((int)time(0)); 

	for (int k=0; k<i; k++)
	{
		a[k] = k;
	}

	out(a,x,k);

	for (int m=0; m<M; m++)
	{
       j=(int)x[m];
	   
		if (0==m)
		{
	        msg.Format("%s",data[j]);
		}
		else
		{
            msg+="\n";
			msg+=data[j];
		}
	
	}
	  	MessageBox(msg);
}