www.pudn.com > odbc_class.rar > demo1Dlg.cpp
// demo1Dlg.cpp : implementation file
//
#include "stdafx.h"
#include "demo1.h"
#include "demo1Dlg.h"
#include "MyODBC.h"
#include "odbcset.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()
/////////////////////////////////////////////////////////////////////////////
// CDemo1Dlg dialog
CDemo1Dlg::CDemo1Dlg(CWnd* pParent /*=NULL*/)
: CDialog(CDemo1Dlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CDemo1Dlg)
m_strID = _T("");
m_strJob = _T("");
m_strName = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
ImageList.Create(16,16,ILC_COLOR8,0,5);
ImageList.Add(AfxGetApp()->LoadIcon(IDI_ICON1));
}
void CDemo1Dlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CDemo1Dlg)
DDX_Control(pDX, IDC_LIST1, m_list);
DDX_Text(pDX, IDC_EDITID, m_strID);
DDX_Text(pDX, IDC_EDITJOB, m_strJob);
DDX_Text(pDX, IDC_EDITNAME, m_strName);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CDemo1Dlg, CDialog)
//{{AFX_MSG_MAP(CDemo1Dlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_NOTIFY(LVN_ITEMCHANGED, IDC_LIST1, OnItemchangedList1)
ON_BN_CLICKED(IDB_BTNREFRESH, OnBtnrefresh)
ON_BN_CLICKED(IDC_BTNADD, OnBtnadd)
ON_BN_CLICKED(IDC_BTNDEL, OnBtndel)
ON_BN_CLICKED(IDC_BTNMODIFY, OnBtnmodify)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CDemo1Dlg message handlers
BOOL CDemo1Dlg::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
DWORD dwStyle=GetWindowLong(m_list.GetSafeHwnd(),GWL_STYLE);
dwStyle |= LVS_REPORT;
SetWindowLongA(m_list.GetSafeHwnd(),GWL_STYLE,dwStyle);
m_list.SetExtendedStyle(LVS_EX_HEADERDRAGDROP|LVS_EX_FULLROWSELECT|LVS_EX_TRACKSELECT);
m_list.SetImageList(&ImageList, LVSIL_SMALL);
ShowData();
return TRUE; // return TRUE unless you set the focus to a control
}
void CDemo1Dlg::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 CDemo1Dlg::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 CDemo1Dlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
BOOL CDemo1Dlg::ShowData()
{
int i = 0, iCount;
m_list.DeleteAllItems();//首先清空listview
iCount = m_list.GetHeaderCtrl()->GetItemCount();
for(i = 0; i < iCount; i++)
{
m_list.DeleteColumn(0);
}
for(i = 0; i < iCount; i++)
{
m_list.GetHeaderCtrl()->DeleteItem(0);
}
CString strSql;
strSql = "select * from emp";
CMyODBC db;
db.ConnectDB("daliu","", "");
CODBCSet set;
db.PrepareSql(strSql, set);
for(i = 0; i < set.GetCols(); i++)
{
m_list.InsertColumn(i, set.m_coldatafmt[i].name,LVCFMT_CENTER,80);
}
int iRow = 0;
while(db.FetchData())
{
for(i = 0; i < set.GetCols(); i++)
{
if(i == 0)
{
m_list.InsertItem(iRow, set.m_coldata[0].value);
}
else
{
m_list.SetItemText(iRow, i, set.m_coldata[i].value);
}
}
iRow++;
}
set.Empty();
db.DisConnect();
return TRUE;
}
void CDemo1Dlg::OnItemchangedList1(NMHDR* pNMHDR, LRESULT* pResult)
{
NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;
// TODO: Add your control notification handler code here
if(pNMListView->uNewState&LVIS_SELECTED)
{
char pContent[50] ;
int iCurrent = pNMListView->iItem;
m_list.GetItemText(iCurrent,0,pContent,50);
m_strID.Format("%s", pContent);
m_list.GetItemText(iCurrent,1,pContent,50);
m_strName = CString(pContent);
m_list.GetItemText(iCurrent,2,pContent,50);
m_strJob = CString(pContent);
UpdateData(FALSE);
}
*pResult = 0;
}
void CDemo1Dlg::OnBtnrefresh()
{
// TODO: Add your control notification handler code here
this->ShowData();
}
void CDemo1Dlg::OnBtnadd()
{
// TODO: Add your control notification handler code here
UpdateData(TRUE);
CString strSql;
long nID;
nID=atol(m_strID);
if(nID<=0)
{
//职工号不能为0或者负数
MessageBox("“职工号”错误，请重新输入“职工号”！", "demol", MB_ICONSTOP);
m_strID="";
UpdateData(false);
return;
}
else
strSql.Format("insert into emp values(%d,'%s','%s')", nID, m_strName, m_strJob);
CMyODBC db;
db.ConnectDB("daliu","", ""); //连接数据库
db.ExeSqlDirect(strSql); //执行sql语句
db.DisConnect(); //断开连接
this->ShowData(); //刷新数据
}
void CDemo1Dlg::OnBtndel()
{
// TODO: Add your control notification handler code here
UpdateData();
CString strSql;
strSql.Format("delete from emp where 职员号 = %s", m_strID);
CMyODBC db;
db.ConnectDB("daliu","", ""); //连接数据库
db.ExeSqlDirect(strSql); //执行sql语句
db.DisConnect(); //断开连接
this->ShowData(); //刷新数据
m_strID = "";
m_strName = "";
m_strJob = "";
UpdateData(FALSE);
}
void CDemo1Dlg::OnBtnmodify()
{
// TODO: Add your control notification handler code here
UpdateData();
CString strSql;
strSql.Format("update emp set 职工名称 = '%s', 工作 = '%s' where 职员号 = %s", m_strName, m_strJob, m_strID);
CMyODBC db;
db.ConnectDB("daliu","", ""); //连接数据库
db.ExeSqlDirect(strSql); //执行sql语句
db.DisConnect(); //断开连接
this->ShowData(); //刷新数据
m_strID = "";
m_strName = "";
m_strJob = "";
UpdateData(FALSE);
}