studlg.cpp

可以实现基本的管理功能

// STUDlg.cpp : implementation file
//

#include "stdafx.h"
#include "STU.h"
#include "STUDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CSTUDlg dialog

CSTUDlg::CSTUDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CSTUDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSTUDlg)
	m_editID = _T("");
	m_editDepart = _T("");
	m_editName = _T("");
	m_editBirth = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CSTUDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSTUDlg)
	DDX_Control(pDX, IDC_BUTTON_CONFIRM, m_btnConfirm);
	DDX_Control(pDX, IDC_BUTTON_UPDATE, m_btnUpdate);
	DDX_Control(pDX, IDC_BUTTON_NEXT, m_btnNext);
	DDX_Control(pDX, IDC_BUTTON_PRE, m_btnPre);
	DDX_Text(pDX, IDC_EDIT_ID, m_editID);
	DDV_MaxChars(pDX, m_editID, 6);
	DDX_Text(pDX, IDC_EDIT_DEPART, m_editDepart);
	DDV_MaxChars(pDX, m_editDepart, 20);
	DDX_Text(pDX, IDC_EDIT_NAME, m_editName);
	DDV_MaxChars(pDX, m_editName, 8);
	DDX_Text(pDX, IDC_EDIT_DEPART2, m_editBirth);
	DDV_MaxChars(pDX, m_editBirth, 8);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CSTUDlg, CDialog)
	//{{AFX_MSG_MAP(CSTUDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_NEXT, OnButtonNext)
	ON_BN_CLICKED(IDC_BUTTON_PRE, OnButtonPre)
	ON_BN_CLICKED(IDC_BUTTON_UPDATE, OnButtonUpdate)
	ON_EN_CHANGE(IDC_EDIT_ID, OnChangeEditId)
	ON_EN_CHANGE(IDC_EDIT_NAME, OnChangeEditName)
	ON_EN_CHANGE(IDC_EDIT_DEPART, OnChangeEditDepart)
	ON_BN_CLICKED(IDC_BUTTON_ADD, OnButtonAdd)
	ON_BN_CLICKED(IDC_BUTTON_CONFIRM, OnButtonConfirm)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSTUDlg message handlers

BOOL CSTUDlg::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
	
	// TODO: Add extra initialization here
	if(!InitADO()) MessageBox("初始化ADO失败!");
	else 
	{
		if(SUCCEEDED(pRs->MoveFirst()))
		{
			if(m_baseInfo.m_ul_IDStatus==adFldOK)
				m_editID=m_baseInfo.m_ID;
			if(m_baseInfo.m_ul_nameStatus==adFldOK)
				m_editName=m_baseInfo.m_name;
			if(m_baseInfo.m_ul_departStatus==adFldOK)
				m_editDepart=m_baseInfo.m_department;
		}
	}
	UpdateData(FALSE);
	m_btnUpdate.EnableWindow(FALSE);
	m_btnConfirm.EnableWindow(FALSE);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CSTUDlg::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 CSTUDlg::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 CSTUDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}


bool CSTUDlg::InitADO()
{   
   	
	try 
	{   
		pCon.CreateInstance(__uuidof(Connection));
	    pRs.CreateInstance(__uuidof(Recordset));
		
		pCon->ConnectionString="File Name=my_data3.udl";
		pCon->ConnectionTimeout=20;
		pCon->Open("","","",adConnectUnspecified);
       
        //_COM_SMARTPTR_TYPEDEF(IADORecordBinding, __uuidof(IADORecordBinding));
       	IADORecordBindingPtr picRs(pRs);
       
        
		pRs->Open("SELECT * FROM baseInfo ORDER BY ID", 
		      pCon.GetInterfacePtr(),
			adOpenStatic, adLockOptimistic, adCmdText);
		
		TESTHR(picRs->BindToRecordset(&m_baseInfo));
	}
	catch (_com_error &e )
	{
		
		CString errorMsg;
		errorMsg.Format("Error:\n Code=%081x\n Meaning=%s\n Source=%s\n Description=%s\n",
			             e.Error(),e.ErrorMessage(),
						 (LPCSTR) e.Source(),
						 (LPCSTR) e.Description());
		MessageBox(errorMsg);
		return false;
	}
  
	return true;
}

void CSTUDlg::OnButtonNext() 
{
	// TODO: Add your control notification handler code here
	m_btnPre.EnableWindow(TRUE);
	pRs->MoveNext();
	if(!(pRs->EndOfFile))
	{
		m_editID=m_baseInfo.m_ID;
		m_editName=m_baseInfo.m_name;
		m_editDepart=m_baseInfo.m_department;
        UpdateData(FALSE);
	}
    
	else if(pRs->EndOfFile)
	{ pRs->MovePrevious();
	  m_btnNext.EnableWindow(FALSE);
	}
	    
	
}

void CSTUDlg::OnButtonPre() 
{
	// TODO: Add your control notification handler code here
	m_btnNext.EnableWindow(TRUE);
	
	pRs->MovePrevious();
	if(!(pRs->BOF))
	{
		m_editID=m_baseInfo.m_ID;
		m_editName=m_baseInfo.m_name;
		m_editDepart=m_baseInfo.m_department;
        UpdateData(FALSE);
	}
	else 
	{ 
		pRs->MoveNext();
	    m_btnPre.EnableWindow(FALSE);
	}

}

void CSTUDlg::OnButtonUpdate() 
{
	UpdateData(TRUE);
	//把控件中的数据赋值给CADORecordBinding派生类
	//baseInfo对象的各变量
	strcpy(m_baseInfo.m_ID,m_editID);
    strcpy(m_baseInfo.m_name,m_editName);
	strcpy(m_baseInfo.m_department,m_editDepart);
	//定义一个接口的智能指针实例
	IADORecordBindingPtr picRs(pRs);
	//调用接口的Update方法
    if(FAILED(picRs->Update(&m_baseInfo)))
	{
		MessageBox("修改记录失败！");
	}
	else 
	{
		MessageBox("修改成功！");
	}	
	m_btnUpdate.EnableWindow(FALSE);
}

void CSTUDlg::OnChangeEditId() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	m_btnUpdate.EnableWindow(TRUE);
}

void CSTUDlg::OnChangeEditName() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	m_btnUpdate.EnableWindow(TRUE);
}

void CSTUDlg::OnChangeEditDepart() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	m_btnUpdate.EnableWindow(TRUE);
}

void CSTUDlg::OnButtonAdd() 
{
	//清空所有EditBox控件
	m_editID.Empty();
	m_editName.Empty();
	m_editDepart.Empty();
	UpdateData(FALSE);
	//激活“确定添加”按钮
	m_btnConfirm.EnableWindow(TRUE);	
}

void CSTUDlg::OnButtonConfirm() 
{
	UpdateData(TRUE);
	if(m_editID.IsEmpty()||m_editID.GetLength()!=6)
	{
		MessageBox("数据录入不正确！");
		return;
	}
	strcpy(m_baseInfo.m_ID,m_editID);
    strcpy(m_baseInfo.m_name,m_editName);
	strcpy(m_baseInfo.m_department,m_editDepart);
	IADORecordBindingPtr picRs(pRs);
	//调用接口的AddNew方法
    if(FAILED(picRs->AddNew(&m_baseInfo)))
	{
		MessageBox("添加记录失败！");
	}
	else 
	{
		MessageBox("添加记录成功！");
	}	
	m_btnConfirm.EnableWindow(FALSE);
}