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📄 drivermanagerdlg.cpp

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💻 CPP
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// DriverManagerDlg.cpp : implementation file
//

#include "stdafx.h"
#include "DriverManager.h"
#include "DriverManagerDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDriverManagerDlg dialog

CDriverManagerDlg::CDriverManagerDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CDriverManagerDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDriverManagerDlg)
	m_nAge = 20;
	m_strName = _T("");
	m_strNumber = _T("0000000000");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CDriverManagerDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDriverManagerDlg)
	DDX_Control(pDX, IDC_COMBO_TYPE, m_comboType);
	DDX_Text(pDX, IDC_EDIT_AGE, m_nAge);
	DDV_MinMaxInt(pDX, m_nAge, 18, 70);
	DDX_Text(pDX, IDC_EDIT_NAME, m_strName);
	DDV_MaxChars(pDX, m_strName, 8);
	DDX_Text(pDX, IDC_EDIT_NUM, m_strNumber);
	DDV_MaxChars(pDX, m_strNumber, 10);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CDriverManagerDlg, CDialog)
	//{{AFX_MSG_MAP(CDriverManagerDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_DESTROY()
	ON_BN_CLICKED(IDC_ADD, OnAdd)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDriverManagerDlg message handlers

BOOL CDriverManagerDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	//初始化com环境
	::CoInitialize(NULL);
	//创建连接对象和记录集对象
	HRESULT hr;
	try
	{
		hr = m_pConnection.CreateInstance("ADODB.Connection");//创建Connection对象
		if(SUCCEEDED(hr))
		{
			hr = m_pConnection->Open(
				"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=drivers.mdb",
				"","",adModeUnknown);
		}
	}
	catch(_com_error e)///捕捉异常
	{
		CString errormessage;
		errormessage.Format("连接数据库失败!\r\n错误信息:%s",e.ErrorMessage());
		AfxMessageBox(errormessage);///显示错误信息
	}
	m_pRecordset.CreateInstance(__uuidof(Recordset));
	hr = m_pRecordset->Open("SELECT * FROM driver",
		_variant_t((IDispatch *)m_pConnection,true),
		adOpenDynamic,adLockPessimistic,adCmdText);
	
	m_comboType.SetCurSel(0);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CDriverManagerDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CDriverManagerDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CDriverManagerDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CDriverManagerDlg::OnDestroy() 
{
	m_pRecordset->Close();
	if(m_pConnection->State)
		m_pConnection->Close();
	m_pConnection.Release();
	::CoUninitialize();
	CDialog::OnDestroy();
}

//增加记录
void CDriverManagerDlg::OnAdd() 
{
	if(!UpdateData(TRUE))
		return;

	//验证驾驶证号
	if(m_strNumber.GetLength() < 10)
	{
		AfxMessageBox("驾驶证号必须是10位");
		CEdit* p = (CEdit*)GetDlgItem(IDC_EDIT_NUM);
		p->SetFocus();
		return;
	}
	for(int i=0;i<m_strNumber.GetLength();i++)
	{
		if(m_strNumber.GetAt(i)<'0' || m_strNumber.GetAt(i) >'9')
		{
			AfxMessageBox("驾驶证号只能是数字的组合");
			CEdit* p = (CEdit*)GetDlgItem(IDC_EDIT_NUM);
			p->SetSel(0,-1);
			p->SetFocus();
			return;
		}
	}

	//验证证件类型
	if(m_comboType.GetCurSel()<0)
	{
		AfxMessageBox("不正确的证件类型");
		m_comboType.SetCurSel(0);
		m_comboType.SetFocus();
		return;
	}

	//验证姓名
	if(m_strName == "")
	{
		AfxMessageBox("姓名不能为空");
		CEdit* p = (CEdit*)GetDlgItem(IDC_EDIT_NAME);
		p->SetFocus();
		return;
	}

	//增加记录
	m_pRecordset->AddNew();
	m_pRecordset->PutCollect("cardnumber",_variant_t(m_strNumber));
	CString strCardType,strAge;
	m_comboType.GetWindowText(strCardType);
	m_pRecordset->PutCollect("cardtype",_variant_t(strCardType));
	m_pRecordset->PutCollect("name",_variant_t(m_strName));
	strAge.Format("%d",m_nAge);
	m_pRecordset->PutCollect("age",_variant_t(strAge));
	m_pRecordset->Update();

	AfxMessageBox("增加记录成功");
}

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