?? 圖書管理系統dlg.cpp
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// 圖書管理系統Dlg.cpp : implementation file
//
#include "stdafx.h"
#include "圖書管理系統.h"
#include "圖書管理系統Dlg.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()
/////////////////////////////////////////////////////////////////////////////
// CMyDlg dialog
CMyDlg::CMyDlg(CWnd* pParent /*=NULL*/)
: CDialog(CMyDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CMyDlg)
m_BN = _T("");
m_R = _T("");
m_ID = _T("");
m_P = _T("");
m_delete = _T("");
m_search = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
m_nCurrentSel = -1;
}
void CMyDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CMyDlg)
DDX_Control(pDX, IDC_LIST1, m_list);
DDX_Text(pDX, IDC_EDIT1, m_BN);
DDX_Text(pDX, IDC_EDIT4, m_R);
DDX_Text(pDX, IDC_EDIT2, m_ID);
DDX_Text(pDX, IDC_EDIT3, m_P);
DDX_Text(pDX, IDC_EDIT6, m_delete);
DDX_Text(pDX, IDC_EDIT7, m_search);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CMyDlg, CDialog)
//{{AFX_MSG_MAP(CMyDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
ON_BN_CLICKED(IDC_BUTTON3, OnButton3)
ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CMyDlg message handlers
BOOL CMyDlg::OnInitDialog()
{
CDialog::OnInitDialog();
login.DoModal();
// Add "About..." menu item to system menu.
if(login.state==0)
CDialog::OnOK();
//////////為列表控件添加列//////////
m_list.InsertColumn(0,"書名",LVCFMT_LEFT,40);
m_list.InsertColumn(1,"書號",LVCFMT_LEFT,40);
m_list.InsertColumn(2,"定價",LVCFMT_LEFT,40);
m_list.InsertColumn(3,"借閱人",LVCFMT_LEFT,50);
m_list.InsertColumn(4,"借書日期",LVCFMT_LEFT,100);
m_pRecordset.CreateInstance("ADODB.Recordset");
readDB();
// 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
return TRUE; // return TRUE unless you set the focus to a control
}
void CMyDlg::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 CMyDlg::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 CMyDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CMyDlg::OnOK()
{
// TODO: Add extra validation here
readDB();
}
void CMyDlg::OnButton1()
{ m_nCurrentSel = m_list.InsertItem(0xffff,"");
// TODO: Add your control notification handler code here
UpdateData(1);
CString m_D="2004.5.6";
login.m_pConnection->Execute("INSERT INTO library VALUES ('"+(_bstr_t)m_BN+"',"+
(_bstr_t)m_ID+","+(_bstr_t)m_P+",'"+(_bstr_t)m_R+"','"+(_bstr_t)m_D+"')",&RecordsAffected,adCmdText);
m_list.SetItem(m_nCurrentSel,0,LVIF_TEXT,(_bstr_t)m_BN,NULL,0,0,0);
m_list.SetItem(m_nCurrentSel,1,LVIF_TEXT,(_bstr_t)m_ID,NULL,0,0,0);
m_list.SetItem(m_nCurrentSel,2,LVIF_TEXT,(_bstr_t)m_P,NULL,0,0,0);
m_list.SetItem(m_nCurrentSel,3,LVIF_TEXT,(_bstr_t)m_R,NULL,0,0,0);
m_list.SetItem(m_nCurrentSel,4,LVIF_TEXT,(_bstr_t)m_D,NULL,0,0,0);
}
void CMyDlg::OnButton3()
{
// TODO: Add your control notification handler code here
UpdateData();
try{
login.m_pConnection->Execute("delete from library where BID="+(_bstr_t)m_delete+" ",&RecordsAffected,adCmdText);
}
catch(_com_error e)
{
AfxMessageBox("請輸入整數!");
}
readDB();
}
void CMyDlg::readDB()
{m_list.DeleteAllItems();
try
{
m_pRecordset =login.m_pConnection->Execute("SELECT * FROM library",&RecordsAffected,adCmdText);
}
catch(_com_error e)///捕捉異常
{
login.m_pConnection->Execute("CREATE TABLE library(BN varchar(20),BID INTEGER,P float,R varchar(20),D varchar(20))",&RecordsAffected,adCmdText);
login.m_pConnection->Execute("INSERT INTO library VALUES ('語文',2,113.6,'小王','2004.2.30')",&RecordsAffected,adCmdText);
login.m_pConnection->Execute("INSERT INTO library VALUES ('數學',3,223.6,'小王','2004.1.30')",&RecordsAffected,adCmdText);
login.m_pConnection->Execute("INSERT INTO library VALUES ('物理',4,31.6,'小紅','2004.9.30')",&RecordsAffected,adCmdText);
login.m_pConnection->Execute("INSERT INTO library VALUES ('音樂',5,152.6,'小明','2004.2.30')",&RecordsAffected,adCmdText);
AfxMessageBox("創建表空間,強制重起!");
//CDialog::OnOK();
}
int nItem;
m_pRecordset->MoveFirst();
_variant_t BN,BID,P,R,D;
try
{
while(!m_pRecordset->adoEOF)
{ BN=m_pRecordset->GetCollect("BN");
BID=m_pRecordset->GetCollect("BID");
P=m_pRecordset->GetCollect("P");
R=m_pRecordset->GetCollect("R");
D=m_pRecordset->GetCollect("D");
nItem=m_list.InsertItem(0xffff,(_bstr_t)BN);
m_list.SetItem(nItem,1,1,(_bstr_t)BID,NULL,0,0,0);
m_list.SetItem(nItem,2,1,(_bstr_t)P,NULL,0,0,0);
m_list.SetItem(nItem,3,1,(_bstr_t)R,NULL,0,0,0);
m_list.SetItem(nItem,4,1,(_bstr_t)D,NULL,0,0,0);
m_pRecordset->MoveNext();
}
}
catch(_com_error e)
{
AfxMessageBox("讀取失敗!");
CDialog::OnOK();
}
}
void CMyDlg::OnButton2()
{ m_list.DeleteAllItems();
UpdateData();
_RecordsetPtr m_pRecordset;
try
{
m_pRecordset =login.m_pConnection->Execute("SELECT * FROM library where BID="+(_bstr_t)m_search+" ",&RecordsAffected,adCmdText);
}
catch(_com_error e)///捕捉異常
{ AfxMessageBox("不存在該數據");
}
_variant_t BN,BID,P,R,D;
int nItem;
try
{
while(!m_pRecordset->adoEOF)
{ BN=m_pRecordset->GetCollect("BN");
BID=m_pRecordset->GetCollect("BID");
P=m_pRecordset->GetCollect("P");
R=m_pRecordset->GetCollect("R");
D=m_pRecordset->GetCollect("D");
nItem=m_list.InsertItem(0xffff,(_bstr_t)BN);
m_list.SetItem(nItem,1,1,(_bstr_t)BID,NULL,0,0,0);
m_list.SetItem(nItem,2,1,(_bstr_t)P,NULL,0,0,0);
m_list.SetItem(nItem,3,1,(_bstr_t)R,NULL,0,0,0);
m_list.SetItem(nItem,4,1,(_bstr_t)D,NULL,0,0,0);
m_pRecordset->MoveNext();
}
}
catch(_com_error e)
{
AfxMessageBox("讀取失敗!");
}
}
void CMyDlg::OnCancel()
{
// TODO: Add extra cleanup here
m_pRecordset->Close();///關閉記錄集
login.m_pConnection->Close();///關閉連接
CDialog::OnCancel();
}
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