www.gusucode.com > VC++使用ADO对象添加数据至数据库中-源码程序 > VC++使用ADO对象添加数据至数据库中-源码程序/code/InsertDataDlg.cpp

    // InsertDataDlg.cpp : implementation file
// Download by http:www.NewXing.com

#include "stdafx.h"
#include "InsertData.h"
#include "InsertDataDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CInsertDataDlg dialog

CInsertDataDlg::CInsertDataDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CInsertDataDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CInsertDataDlg)
	m_Name = _T("");
	m_Num = 0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CInsertDataDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CInsertDataDlg)
	DDX_Control(pDX, IDC_LIST1, m_List);
	DDX_Text(pDX, IDC_EDIT1, m_Name);
	DDX_Text(pDX, IDC_EDIT2, m_Num);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CInsertDataDlg, CDialog)
	//{{AFX_MSG_MAP(CInsertDataDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTINSERT, OnButinsert)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CInsertDataDlg message handlers

BOOL CInsertDataDlg::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
	m_List.SetExtendedStyle(LVS_EX_FLATSB  					//扁平风格显示滚动条
		|LVS_EX_FULLROWSELECT         					//允许整行选中
		|LVS_EX_HEADERDRAGDROP      					//允许整列拖动
		|LVS_EX_ONECLICKACTIVATE     					//单击选中项
		|LVS_EX_GRIDLINES);           						//画出网格线
	//设置列标题及列宽度
	m_List.InsertColumn(0,"商品名称",LVCFMT_LEFT,110,0);
	m_List.InsertColumn(1,"销售数量",LVCFMT_LEFT,110,1);
	try
	{
		m_pConnection.CreateInstance("ADODB.Connection");  			//创建连接对象实例
		_bstr_t strConnect="DRIVER={Microsoft Access Driver (*.mdb)};\
			uid=;pwd=;DBQ=Database.mdb;";
		m_pConnection->Open(strConnect,"","",adModeUnknown); 		//打开数据库
	}
	catch (_com_error e)											//捕捉错误
	{
		AfxMessageBox(e.Description()); 							//弹出错误
	}
	CString sql = "select * from SellInfo";
	m_pRecordset.CreateInstance(__uuidof(Recordset)); 			//创建记录集对象实例
	m_pRecordset->Open(_bstr_t(sql), m_pConnection.GetInterfacePtr(),
		adOpenDynamic, adLockOptimistic, adCmdText); 			//执行SQL得到记录集
	while (!m_pRecordset->adoEOF)						//记录集不为空时循环
	{
		m_List.InsertItem(0,"");								//向列表视图控件中插入行
		//向列表视图控件中插入列
		m_List.SetItemText(0,0,(char*)(_bstr_t)m_pRecordset->GetCollect("Merchandise"));
		m_List.SetItemText(0,1,(char*)(_bstr_t)m_pRecordset->GetCollect("Sum"));
		m_pRecordset->MoveNext();						//将记录集指针移动到下一条记录
	}
	m_pRecordset->Close();								//关闭记录集
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CInsertDataDlg::OnButinsert() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	if (m_Name.IsEmpty())	//数据不能为空
	{
		MessageBox("基础信息不能为空！");					//为空时弹出提示信息
		return;
	}
	CString sql = "select * from SellInfo";						//设置查询字符串
	CString str;
	str.Format("%d",m_Num);
	m_pRecordset.CreateInstance(__uuidof(Recordset)); 			//创建记录集对象实例
	m_pRecordset->Open(_bstr_t(sql), m_pConnection.GetInterfacePtr(),
		adOpenDynamic, adLockOptimistic, adCmdText); 			//执行SQL得到记录集
	try
	{
		m_pRecordset->AddNew(); 						//添加新行
		//向数据库中插入数据
		m_pRecordset->PutCollect("Merchandise",(_bstr_t)m_Name);
		m_pRecordset->PutCollect("Sum",(_bstr_t)str);
		m_pRecordset->Update();						 //更新数据表记录
		m_pRecordset->Close();								//关闭记录集
	}
	catch (...)												//捕捉可能出现的错误
	{
		MessageBox("操作失败");								//弹出错误提示
		return;
	}
	MessageBox("添加成功");									//提示操作成功
	int num = m_List.GetItemCount();
	m_List.InsertItem(num,m_Name);
	m_List.SetItemText(num,1,str);
}

void CInsertDataDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	m_pConnection->Close();
	CDialog::OnCancel();
}