xxmcmm.cpp

这是一套学校设备管理系统的源码 里面有树形结构使用的很棒的方法

 // xxmcmm.cpp : implementation file
//

#include "stdafx.h"
#include "xxgl.h"
#include "xxmcmm.h"
#include "process.h"
#include "strt.h"
#include "ext.h"
#include "func.h"

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

static int out_flag,cur_focus;

Cxxmcmm::Cxxmcmm(CWnd* pParent /*=NULL*/)
	: CDialog(Cxxmcmm::IDD, pParent)
{
	//{{AFX_DATA_INIT(Cxxmcmm)
	m_mm = _T("");
	m_xxmc = _T("");
	//}}AFX_DATA_INIT
	out_flag = cur_focus = 0;
}


void Cxxmcmm::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(Cxxmcmm)
	DDX_Text(pDX, IDC_mm, m_mm);
	DDX_Text(pDX, IDC_xxmc, m_xxmc);
	//}}AFX_DATA_MAP
  CBitmap *bitmap;
  CBitmap *bitmap1;
  
  HBITMAP hbitmap;
  HBITMAP hbitmap1;
  
  bitmap = new CBitmap();
  bitmap1 = new CBitmap();

  bitmap->LoadBitmap(IDB_qr);
  bitmap1->LoadBitmap(IDB_qx);

  hbitmap = (*bitmap).operator HBITMAP();
  hbitmap1 = (*bitmap1).operator HBITMAP();
  
  CWnd *wn;
  CWnd *wn1;

  wn = GetDlgItem(IDOK);
  wn1 = GetDlgItem(IDCANCEL);

  WPARAM wParam;
  LPARAM lParam;
  wParam =  (WPARAM) LOWORD(BS_LEFT | BS_BITMAP); // style 
  lParam =  MAKELPARAM(TRUE, 0);   // redraw flag 
  wn->SendMessage(BM_SETIMAGE, IMAGE_BITMAP,(long)hbitmap);
  wn1->SendMessage(BM_SETIMAGE, IMAGE_BITMAP,(long)hbitmap1);
}


BEGIN_MESSAGE_MAP(Cxxmcmm, CDialog)
	//{{AFX_MSG_MAP(Cxxmcmm)
	ON_EN_SETFOCUS(IDC_mm, OnSetfocusmm)
	ON_EN_SETFOCUS(IDC_xxmc, OnSetfocusxxmc)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// Cxxmcmm message handlers
extern char code[500];
extern char code1[500];
extern char code2[500];
extern char code3[500];
extern char code4[500];
extern char code5[500];
extern char code6[500];
extern int tab[2000];
extern char process_flag[2000];
static char xiaoming[50];

int find_a_seat(int max);
int rand1();

extern int rand_base;

void Cxxmcmm::OnOK() 
{
  unsigned char buf[40];
  unsigned char pass[40];
  int l,i,c,j,k,flag;
  unsigned char mask;

  CWnd *wd_mm,*wd_xxmc,*wd_ok;

  wd_mm = GetDlgItem(IDC_mm);
  wd_xxmc = GetDlgItem(IDC_xxmc);
  wd_ok = GetDlgItem(IDOK);
  if (cur_focus == 1){
	  wd_mm->SetFocus();
	  cur_focus = 2;
	  return;
  }
  if (cur_focus == 2){
	  wd_ok->SetFocus();
	  cur_focus = 3;
	  return;
  }
  rand_base = 1000;
  GetDlgItemText(IDC_xxmc,(char *)buf,50);
  GetDlgItemText(IDC_mm,(char *)pass,50);
  for (i=0;i<strlen((char *)pass);i++){
	  if ((pass[i] >= 'a')&&(pass[i] <= 'z'))
	    pass[i] += 'A' - 'a';
  }
  l = strlen((char *)buf);
  for (i=0;i<l*8;i++){
    c = buf[i/8];
    mask = 1;
    for (j=0;j<i%8;j++)
      mask *= 2;
    code[i] = c & mask;
    if (code[i] != 0)
      code[i] = 1;
  }

  for (i=0;i<1000;i++)
    process_flag[i] = 0;
  flag = 0;
  j = 0;
  while (flag == 0){
    i = find_a_seat(l*8);
    tab[j] = i;
    process_flag[i] = 1;
    j ++;
    if (j == l*8)
      flag = 1;
  }

  for (i=0;i<l*8;i++){
    code6[i] = code[tab[i]];
  }

  for (i=0;i<l*8;i++)
    code[i] = code6[i];

  for (i=0;i<l*8;i++){
    j = i + l%7;
    if (j >= l*8)
      j -= l*8;
    code1[i] = code[j];
  }


  for (i=0;i<l*4;i++){
    code2[i] = code1[2*i+1];
  }


  for (i=0;i<l*8;i++){
    j = i + l%7;
    if (j > l*8)
      j -= l*8;
    code3[i] = code[j];
  }


  for (i=0;i<l*4;i++){
    code4[i] = code3[2*i];
  }


  for (i=0;i<l*4;i++)
    code5[i] = code2[i] ^ code4[i];
/*
  k = 0;
  for (i=0;i<l;i++){
    c = code5[i*4]*8 + code5[i*4+1]*4 + + code5[i*4+2]*2 + + code5[i*4+3];
    if (c < 10)
      c += '0';
    else
      c += 'A' - 10;
    pass[k++] = c;
  }
  pass[k] = 0;
*/
  for (i=0;i<l;i++){
    c = pass[i];
    if (c >= 'A')
      c = c - 'A' + 10;
    else
      c -= '0';
    code5[4*i] = c / 8;
    c = c % 8;
    code5[4*i+1] = c / 4;
    c = c % 4;
    code5[4*i+2] = c / 2;
    code5[4*i+3] = c % 2;
  }

  for (i=0;i<l*4;i++)
    code2[i] = code5[i] ^ code4[i];

  for (i=0;i<l*4;i++){
    code1[2*i+1] = code2[i];
  }

  for (i=0;i<l*8;i++){
    j = i - l%7;
    if (j < 0)
      j = j + l*8;
    code[i] = code1[j];
  }

  for (i=0;i<l*8;i++){
    code6[tab[i]] = code[i];
  }

  for (i=0;i<l*8;i++)
    code[i] = code6[i];

  for (i=0;i<l;i++){
    buf[i] = code[i*8] + code[i*8+1]*2 + code[i*8+2]*4 + code[i*8+3]*8
      + code[i*8+4]*16 + code[i*8+5]*32 + code[i*8+6]*64 + code[i*8+7]*128;
  }

  strcpy(xiaoming,(char *)buf);

  GetDlgItemText(IDC_xxmc,(char *)buf,50);
  if (strcmp(xiaoming,(char *)buf) != 0){
	  MessageBox("学校名称或密码错误.","",MB_OK);
	  exit(-1);
  }	   

  FILE *fpe;
  fpe = fopen("c:\\xxsbgl\\mima.txt","w");
  fprintf(fpe,"%s\n%s\n",buf,pass);
  fclose(fpe);
  CDialog::OnOK();
}

void Cxxmcmm::OnCancel() 
{
	// TODO: Add extra cleanup here
	exit(-1);
	CDialog::OnCancel();
}

void Cxxmcmm::OnSetfocusmm() 
{
	CWnd *wnd;

	wnd = GetDlgItem(IDC_mm);
	switch_to_english_mode(wnd);
	cur_focus = 2;
}

void Cxxmcmm::OnSetfocusxxmc() 
{
	CWnd *wnd;

	wnd = GetDlgItem(IDC_xxmc);
	switch_to_chinese_mode(wnd);
	cur_focus = 1;
}