ydata11dlg.cpp

随着计算机信息技术的飞速发展

// Ydata11Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "Ydata11.h"
#include "Ydata11Dlg.h"
//#include "odbcinst.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()

/////////////////////////////////////////////////////////////////////////////
// CYdata11Dlg dialog

CYdata11Dlg::CYdata11Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CYdata11Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CYdata11Dlg)
//	m_edit1 = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	bS=0;
	m_Coll=0;
	m_dbtype=0;
	m_pSet=NULL;
}

void CYdata11Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CYdata11Dlg)
	DDX_Control(pDX, IDC_LIST2, m_ListCtrl);
	DDX_Control(pDX, IDC_COMBO1, m_list2);
//	DDX_Control(pDX, IDC_LIST1, m_list);
//	DDX_Text(pDX, IDC_EDIT1, m_edit1);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CYdata11Dlg, CDialog)
	//{{AFX_MSG_MAP(CYdata11Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_CBN_SELCHANGE(IDC_COMBO1, OnSelchangeCombo1)
	ON_CBN_SELENDOK(IDC_COMBO1, OnSelendokCombo1)
//	ON_NOTIFY(NM_CLICK, IDC_LIST2, OnClickList2)
	ON_BN_CLICKED(ID_OPENDB, OnOpendb)
	ON_BN_CLICKED(IDC_ACCESS, OnAccess)
	ON_BN_CLICKED(IDC_ODBC, OnOdbc)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CYdata11Dlg message handlers

BOOL CYdata11Dlg::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
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CYdata11Dlg::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 CYdata11Dlg::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 CYdata11Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CYdata11Dlg::ReadAccess() 
{ CFileDialog dlg(1,".mdb","*.mdb");
if(dlg.DoModal()!=IDOK)return;
if(m_db.IsOpen())
{m_db.Close();
 m_pSet->Close(); 
} 
m_list2.ResetContent();  
m_db.Open(dlg.GetPathName());   
CDaoTableDefInfo m_info; //DAO 表属性类
CString str;
//CDaoRecordset m_set1;
m_list2.ResetContent();
int num=m_db.GetTableDefCount();//获取表的数目 
int x=0;
for(int j=0;j<num;j++)//获取所有表的属性
{  
m_db.GetTableDefInfo(j,m_info);   
if(m_info.m_lAttributes & dbSystemObject)//不读取系统结构表属性
continue; 
str=m_info.m_strName ; //读取表名
m_list2.InsertString(x,str);//保存到一个复合下拉框中
x++;
} 
m_list2.SetCurSel(0);
bS=1;
}

void CYdata11Dlg::OnCancel() 
{  if(m_db.IsOpen())
{ 
   m_db.Close();
   if(m_pSet!=NULL)m_pSet->Close();
   delete m_pSet;
}
	CDialog::OnCancel();
}

/*void CYdata11Dlg::OnWrite() 
{ if(!m_db.IsOpen())return; 
   m_pSet->AddNew();
   m_pSet->SetFieldValue(0,"测试");
   //m_pSet->SetFieldValue(,"写入");
   m_pSet->Update();
    
   
}*/

void CYdata11Dlg::ReadOdbc() 
{this->BeginWaitCursor(); 
if(m_db.IsOpen())
{m_db.Close(); m_pSet->Close(); 
} 
//m_list.ResetContent();
//m_db.Open("odb1",FALSE,FALSE,_T("ODBC=;"));
m_db.Open("",FALSE,FALSE,_T("ODBC=;"));
CDaoTableDefInfo m_info; 
CString str;
m_list2.ResetContent();
int num=m_db.GetTableDefCount(); 
for(int j=0;j<num;j++)
{m_db.GetTableDefInfo(j,m_info);   
str=m_info.m_strName ; 
m_list2.InsertString(j,str);
} 
m_list2.SetCurSel(0);
this->EndWaitCursor();  
bS=1;
 // m_pSet=new CDaoRecordset(&m_db); 
}

void CYdata11Dlg::OnSelchangeCombo1() 
{

}

void CYdata11Dlg::OnSelendokCombo1() //选择打开表
	{	  
if(!bS) return;
if(!m_db.IsOpen()) return; 
CString strSql="SELECT * FROM ";
CString str1,str;
m_list2.GetWindowText(str1);
if(str1.IsEmpty()) return; 
strSql+=str1; //合成SQL语句
m_ListCtrl.DeleteAllItems();
while(m_ListCtrl.DeleteColumn(0)); 
m_ListCtrl.SetExtendedStyle(LVS_EX_FULLROWSELECT|LVS_EX_GRIDLINES);
try
{ m_pSet=new CDaoRecordset(&m_db); 
//AFX_DAO_USE_DEFAULT_TYPE	
 m_pSet->Open(dbOpenDynaset,strSql,NULL);//打开选择的数据表
 
 int nc=m_pSet->GetFieldCount();//获取字段数目
 CDaoFieldInfo m_info;//字段信息类
 m_Coll=nc;
COleVariant var;//获取记录值的变量
for(int v=0;v<nc;v++)
{    m_pSet->GetFieldInfo(v,m_info);//读取字段信息
     m_ListCtrl.InsertColumn(v,_T(m_info.m_strName));//把字段名添加到网格中  
     m_ListCtrl.SetColumnWidth(v,90);
}
   int z=0;
while(!m_pSet->IsEOF())//遍历所有记录
  { m_ListCtrl.InsertItem(z," ",0); 
	for(int w=0;w<nc;w++)
	    {
		 m_pSet->GetFieldValue(w,var);//读取记录值
	     switch(var.vt)//根据不同类型,转换并显示为字符形式
		 {case VT_BSTR://字符型
	      str=(LPCSTR)var.bstrVal;
	      break;
	      case VT_I2://int型
		   str.Format("%d",(int)var.iVal);
	      break;
	      case VT_I4://long型
           str.Format("%d",(int)var.lVal) ;
		   break;
		  case VT_R4://float型
		   str.Format("%.4f",var.fltVal);
		    break;
		   case VT_R8://double 型
		    str.Format("%.4f",(double)var.dblVal);
		    break;
		   case VT_BOOL://bool 型
			   str=(var.boolVal==0)?"FALSE":"TRUE" ;
		    break; 
           case VT_DATE://DATE 型
			  str= COleDateTime(var).Format();
		    break;
          case VT_CY: //货币型
			  str= COleCurrency(var).Format();
		    break;
		   case VT_NULL:
			   str="---";
		    break;
		 }
	    m_ListCtrl.SetItemText(z,w,str); 
	  }
	  z++;
	 m_pSet->MoveNext(); 
}
}
catch(CDaoException *e)
  {
  e->ReportError();
  delete e;
  bS=0;
  return;
 }
bS=1;

}

void CYdata11Dlg::OnOpendb() //打开数据库
{	if(!m_dbtype){AfxMessageBox("请选择数据库类型!");return;}
	if(m_dbtype==1)
	{ReadAccess();
	}
	else
	{ReadOdbc();
	}
}

void CYdata11Dlg::OnAccess()//选择类型为access 
{
m_dbtype=1;
	
}

void CYdata11Dlg::OnOdbc() //选择数据库类型ODBC
{
m_dbtype=2;	
}