mydlg3.cpp

别的的密钥管理程序

// MyDlg3.cpp : implementation file
//

#include "stdafx.h"
#include "bishe.h"
#include "MyDlg3.h"
#include <afxdb.h>
#include "Usefulkey.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMyDlg3 dialog


CMyDlg3::CMyDlg3(CWnd* pParent /*=NULL*/)
	: CDialog(CMyDlg3::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMyDlg3)
	m_name = _T("");
	//}}AFX_DATA_INIT
}


void CMyDlg3::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMyDlg3)
	DDX_Text(pDX, IDC_NAME, m_name);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CMyDlg3, CDialog)
	//{{AFX_MSG_MAP(CMyDlg3)
	ON_BN_CLICKED(IDC_cercreate_BUTTON1, OncercreateBUTTON1)
	ON_BN_CLICKED(IDC_exit_BUTTON1, OnexitBUTTON1)
	ON_BN_CLICKED(IDC_COMPARE_BUTTON1, OnCompareButton1)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyDlg3 message handlers

void CMyDlg3::OncercreateBUTTON1() 
{
	// TODO: Add your control notification handler code here
    UpdateData(true);
	GetDlgItemText(IDC_NAME,g_USERNAME); 
	if(m_name=="")
	{
		AfxMessageBox("未输入姓名！");
	}
    else
	{
		OnOK();
		m_MyDlg4.DoModal();
	}

    UpdateData(false);
}

void CMyDlg3::OnexitBUTTON1() 
{
	// TODO: Add your control notification handler code here
	OnCancel();
}

void CMyDlg3::OnCompareButton1() 
{
	// TODO: Add your control notification handler code here
	CString name;
 	GetDlgItemText(IDC_NAME,name);  
	UpdateData();

	if(name=="")
	{
		MessageBox("未输入姓名！","Error",MB_OK);
		return;
	}

	CDatabase m_uDatabase;
	CUsefulkey m_use(&m_uDatabase); 

	CString m_uRecordSet=(_T("[usefulkey]"));


	m_uRecordSet.Format("select * from  usefulkey where username='%s'",name);
   
	if(!m_use.Open(AFX_DB_USE_DEFAULT_TYPE,m_uRecordSet))
	{
		MessageBox("打开数据库失败！","数据库错误！",MB_OK);
		return;
	}
	if(m_use.GetRecordCount()!=0)//查到的纪录不空
	{
		AfxMessageBox("此姓名已使用！");
	}
	else
	{
		AfxMessageBox("此姓名可使用！");
	}


}