ggmm.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

// ggmm.cpp : implementation file
//

#include "stdafx.h"
#include "xxgl.h"
#include "ggmm.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

Cggmm::Cggmm(CWnd* pParent /*=NULL*/)
	: CDialog(Cggmm::IDD, pParent)
{
	//{{AFX_DATA_INIT(Cggmm)
	m_cfsrxmm = _T("");
	m_xmm = _T("");
	m_ymm = _T("");
	//}}AFX_DATA_INIT
}


void Cggmm::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(Cggmm)
	DDX_Text(pDX, IDC_cfsrxmm, m_cfsrxmm);
	DDX_Text(pDX, IDC_xmm, m_xmm);
	DDX_Text(pDX, IDC_ymm, m_ymm);
	//}}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);
 // wn2 = GetDlgItem(IDOK3);

  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(Cggmm, CDialog)
	//{{AFX_MSG_MAP(Cggmm)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// Cggmm message handlers

void Cggmm::OnCancel() 
{
	// TODO: Add extra cleanup here
	
	CDialog::OnCancel();
}

void Cggmm::OnOK() 
{
	// TODO: Add extra validation here
	char ymm[40],xmm[40],cfsrxmm[40];
	FILE *fpe;
	char omima[40];
	int i,flag;

	GetDlgItemText(IDC_ymm,ymm,40);
	GetDlgItemText(IDC_xmm,xmm,40);
	GetDlgItemText(IDC_cfsrxmm,cfsrxmm,40);
	fpe = fopen("c:\\xxsbgl\\zhanghao.dat","rb");
	if (fpe != NULL){
      get_a_line(fpe,omima);
	  if (strlen(omima) > 0)
	    omima[strlen(omima)-1] = 0;
      for (i=0;i<strlen(omima);i++){
		  omima[i] ^= 0x55;
      }
	  fclose(fpe);
    }
	else{
		strcpy(omima,"2");
    }
    
	flag = 0;
	if (strcmp(omima,ymm) == 0){
		if (strcmp(xmm,cfsrxmm) == 0){
	      fpe = fopen("c:\\xxsbgl\\zhanghao.dat","wb");
	      if (fpe != NULL){
            for (i=0;i<strlen(xmm);i++){
		      xmm[i] ^= 0x55;
			}
			fprintf(fpe,"%s\n\r",xmm);
	        fclose(fpe);
		  }
		  flag = 1;
        }
    }

	if (flag == 0){
		MessageBox("输入错误,没有更改密码.","",MB_OK);
	}
	else{
		MessageBox("密码成功更改.","",MB_OK);
	}
	CDialog::OnOK();
}