accessdlg.cpp

来自「DAO操作Access数据库类」· C++ 代码 · 共 338 行

CPP
338
字号
// BY:    QQ:316118740
//博客 http://hi.baidu.com/alalmn
//希望能结识更多数据库开发的朋友
// ACCESSDlg.cpp : implementation file
//

#include "stdafx.h"
#include "ACCESS.h"
#include "ACCESSDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CACCESSDlg dialog

CACCESSDlg::CACCESSDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CACCESSDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CACCESSDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CACCESSDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CACCESSDlg)
	DDX_Control(pDX, IDC_LIST1, m_LineList);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CACCESSDlg, CDialog)
	//{{AFX_MSG_MAP(CACCESSDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	ON_BN_CLICKED(IDC_BUTTON3, OnButton3)
	ON_NOTIFY(NM_CLICK, IDC_LIST1, OnClickList1)
	ON_BN_CLICKED(IDC_BUTTON4, OnButton4)
	ON_BN_CLICKED(IDC_BUTTON5, OnButton5)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CACCESSDlg message handlers
void CACCESSDlg::abc()
{
/*	CString szSqlq;
	szSqlq.Format("select * from friend");
	//查询所有列名   查询friend表单
	m_MyDB->SetDataSet(NULL,szSqlq.GetBuffer(0));
	int iRowCount1=m_MyDB->GetDataSetRowCount(1);   //获取记录数
	
	char name[64],age[12],tel[15];
	for(int i=0;i<iRowCount1;i++)
	{
		memset(name,0,sizeof(name));
		memset(age,0,sizeof(age));
		memset(tel,0,sizeof(tel));
		m_MyDB->GetDataSetFieldValue(i,0,name);  //列名
		m_MyDB->GetDataSetFieldValue(i,1,age);   //列名
		m_MyDB->GetDataSetFieldValue(i,2,tel);   //列名
		int n=m_LineList.GetItemCount();
		m_LineList.InsertItem(n,name);  //姓名
		m_LineList.SetItemText(n,1,age);  //年龄
		m_LineList.SetItemText(n,2,tel);  //电话
	}      */
}

BOOL CACCESSDlg::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);
		}
	}

	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	//上线列表初始化
	LONG lStyle = m_LineList.SendMessage(LVM_GETEXTENDEDLISTVIEWSTYLE);
	lStyle |=  LVS_EX_CHECKBOXES | LVS_EX_FULLROWSELECT | LVS_EX_GRIDLINES;
	m_LineList.SendMessage(LVM_SETEXTENDEDLISTVIEWSTYLE, 0,(LPARAM)lStyle);
	m_LineList.InsertColumn(0,"姓名",NULL,150,-1);
	m_LineList.InsertColumn(1,"年龄",NULL,110,-1);
	m_LineList.InsertColumn(2,"电话",NULL,140,-1);
	///////////////////////////
	//连接Access数据库
	GetCurrentDirectory(255,m_DBConnInfo.DBPath);
	
	sprintf(m_DBConnInfo.DBName,"%s","notes.mdb");
	m_MyDB = new CAccessDB(m_DBConnInfo.DBPath,m_DBConnInfo.DBName,1);
	if(!m_MyDB->OpenDB(m_DBConnInfo.DBName))
	{
		AfxMessageBox("DB 数据库打开错误!");
		return FALSE;
	}
	
	CString szSql;
	szSql.Format("select * from friend");
	//查询所有列名   查询friend表单
	if(!m_MyDB->SetDataSet(NULL,szSql.GetBuffer(0)))
		return TRUE;
	int iRowCount=m_MyDB->GetDataSetRowCount(1);   //获取记录数
	
	if(!iRowCount)
		return TRUE;
	
	char name[64],age[12],tel[15];
	for(int i=0;i<iRowCount;i++)
	{
		memset(name,0,sizeof(name));
		memset(age,0,sizeof(age));
		memset(tel,0,sizeof(tel));
		m_MyDB->GetDataSetFieldValue(i,0,name);  //列名
		m_MyDB->GetDataSetFieldValue(i,1,age);   //列名
		m_MyDB->GetDataSetFieldValue(i,2,tel);   //列名
		int n=m_LineList.GetItemCount();
		m_LineList.InsertItem(n,name);  //姓名
		m_LineList.SetItemText(n,1,age);  //年龄
		m_LineList.SetItemText(n,2,tel);  //电话 
	}      

	//abc();  //连接数据库
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CACCESSDlg::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 CACCESSDlg::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();
	}
}

HCURSOR CACCESSDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CACCESSDlg::OnButton1() //添加
{
	// TODO: Add your control notification handler code here
	CString szSql,name,age,tel;
	GetDlgItemText(IDC_EDIT1,name);
	GetDlgItemText(IDC_EDIT2,age);
	GetDlgItemText(IDC_EDIT3,tel);
	
	szSql.Format("insert into friend ( name,age,tel) values ('%s',%s,'%s')",name,age,tel);
	if(!m_MyDB->ExecSQL((unsigned char *)szSql.GetBuffer(0)))
		AfxMessageBox("写入信息 失败!!!");
	else
		MessageBox("插入成功 ...","AccessDB测试",MB_OK|MB_ICONINFORMATION);

	abc();  //连接数据库
}

void CACCESSDlg::OnButton2() //修改
{
	// TODO: Add your control notification handler code here
	CString szSql,name,age,tel;
	GetDlgItemText(IDC_EDIT1,name);
	GetDlgItemText(IDC_EDIT2,age);
	GetDlgItemText(IDC_EDIT3,tel);
	
	szSql.Format("update friend set name='%s',age=%s,tel='%s' where name='%s'",name,age,tel,name);
	if(!m_MyDB->ExecSQL((unsigned char *)szSql.GetBuffer(0)))
		AfxMessageBox("修改信息 失败!!!");
	else
		MessageBox("更新成功… ","AccessDB测试",MB_OK|MB_ICONINFORMATION);

	abc();  //连接数据库
}

void CACCESSDlg::OnButton3()  //统计当前记录数
{
	// TODO: Add your control notification handler code here
	CString szSql;
	szSql.Format("select count(*) from friend");
	if(!m_MyDB->SetDataSet(NULL,szSql.GetBuffer(0)))
		return ;
	char buf[10];
	int iRowCount=m_MyDB->GetDataSetFieldValue(0,buf);
	
	szSql.Format("当前记录条数[%s]",buf);
	AfxMessageBox(szSql);   
}

void CACCESSDlg::OnClickList1(NMHDR* pNMHDR, LRESULT* pResult) 
{
	CString s1,s2,s3,s4;
	// TODO: Add your control notification handler code here
	int nSelRows = m_LineList.GetSelectedCount();   //被选择的项的数目
	if(!nSelRows) //-- If there are no rows selected,jump out here
		return;
	POSITION pos =m_LineList.GetFirstSelectedItemPosition();  //返回一个用于迭代或获取对象指针的POSITION值;如果没有选择任何项,那么将返回NULL。
	int i = m_LineList.GetNextSelectedItem(pos);   //返回列表视图控件中被选择的下一项的索引值
	TRACE("First Item %d\n",i);
	
	if (i != -1) //-- Execute this loop as long as GetNextSelectedItem() returns -1
		s1= m_LineList.GetItemText(i, 0);    //获取信息
	    s2= m_LineList.GetItemText(i, 1);    //获取信息
		s3= m_LineList.GetItemText(i, 2);    //获取信息
	    SetDlgItemText(IDC_EDIT1, s1);
	    SetDlgItemText(IDC_EDIT4, s1);
		SetDlgItemText(IDC_EDIT2, s2);
		SetDlgItemText(IDC_EDIT3, s3);
	UpdateData(FALSE);
	
	return;
		
	*pResult = 0;
}

void CACCESSDlg::OnButton4() 
{
	// TODO: Add your control notification handler code here
	CString name1;
	GetDlgItemText(IDC_EDIT4,name1);
	       CString szSql;
	       szSql.Format("delete * from friend where name='%s'",name1);
	       if(!m_MyDB->ExecSQL((unsigned char *)szSql.GetBuffer(0)))
	        AfxMessageBox("删除信息 失败!!!");
		   else
		    MessageBox("删除成功… ","AccessDB测试 ",MB_OK|MB_ICONINFORMATION);

		   abc();  //连接数据库

}

void CACCESSDlg::OnButton5() 
{
	// TODO: Add your control notification handler code here
}

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