图书销售管理系统dlg.cpp

可以帮助管理员进行图书的采购、销售记录管理

// 图书销售管理系统Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "图书销售管理系统.h"
#include "图书销售管理系统Dlg.h"
#include "dia.h"
#include "连接函数.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()





/////////////////////////////////////////////////////////////////////////////
// CMyprojDlg dialog

CMyDlg::CMyDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMyDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMyprojDlg)
	m_ed1 = _T("");
	m_ed2 = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMyDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMyprojDlg)
	DDX_Text(pDX, IDC_EDIT1, m_ed1);
	DDX_Text(pDX, IDC_EDIT2, m_ed2);
	//}}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_BUTTONENTER, OnButtonenter)
	ON_BN_CLICKED(IDC_BUTTONEXIT, OnButtonexit)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyprojDlg message handlers

BOOL CMyDlg::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(!createDSN())//如果连接成功
		MessageBox("Create DSN is not OK!","Create DSN Error",MB_OK);
	if(!openDB())//如果打开数据库；类型目录路径
		MessageBox("Open database is not OK!","Open database Error",MB_OK);

	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::OnButtonenter() 
{
	// TODO: Add your control notification handler code here
	 CRecordset* dbset=new CRecordset(&pDb);//记录集
	 CString strSQL;//查询
	 UpdateData(TRUE);

	 strSQL.Format("select * from memberr where 雇员姓名='%s' and 雇员密码='%s'",m_ed1,m_ed2);
	 //MessageBox(strSQL);
	 dbset->Open(CRecordset::dynaset,strSQL,CRecordset::readOnly);//指针指向记录集
	 if(dbset->GetRecordCount()==0)//如果没有记录
	 {
		MessageBox("user name or password error!");
		dbset->Close();
		delete dbset;

	 }
	 else
	 {
		 m_ed1="";
		 m_ed2="";
		 UpdateData(FALSE);
		 //CString strField;
		 //dbset->GetFieldValue(1,strField);
		 //MessageBox(strField);
		 //pDb.ExecuteSQL("insert into usertab values('222','ddd','222','ddd')");
		 //pDb.ExecuteSQL("insert into usertab values('333','ddd','333','ddd')");
		 //pDb.ExecuteSQL("delete from usertab where bianh='333'");

		 dbset->Close();
		 delete dbset;
		 dia dialogg;
		 this->OnOK();
		 dialogg.DoModal();
	 }
}

void CMyDlg::OnButtonexit() 
{
	// TODO: Add your control notification handler code here
	this->OnOK();
}