【VC开源代码栏目提醒】:网学会员为广大网友收集整理了,ExcelPrintDLG.cpp,希望对大家有所帮助!
// ExcelPrintDlg.cpp : implementation file
//
#include "stdafx.h"
#include "ExcelPrint.h"
#include "ExcelPrintDlg.h"
#include "Excel.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()
/////////////////////////////////////////////////////////////////////////////
// CExcelPrintDlg dialog
CExcelPrintDlg::CExcelPrintDlg(CWnd* pParent /*=NULL*/)
: CDialog(CExcelPrintDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CExcelPrintDlg)
m_strTitle = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CExcelPrintDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CExcelPrintDlg)
DDX_Text(pDX, IDC_TITLE, m_strTitle);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CExcelPrintDlg, CDialog)
//{{AFX_MSG_MAP(CExcelPrintDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_ExcelPrint, OnExcelPrint)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CExcelPrintDlg message handlers
BOOL CExcelPrintDlg::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
::CoInitialize(NULL); //初始化COM环境
// TODO: Add extra initialization here
HRESULT hr;
try
{
hr = m_pConnection.CreateInstance("ADODB.Connection"); //创建Connection对象
if(SUCCEEDED(hr))
{
hr = m_pConnection->Open("studb","","",NULL); //连接数据库
}
}
catch(_com_error e) //捕捉异常
{
CString errormessage;
errormessage.Format("连接数据库失败!\r\n错误信息:%s",e.ErrorMessage());
AfxMessageBox(errormessage); //显示错误信息
}
_variant_t RecordsAffected;
m_pRecordset =m_pConnection->Execute("SELECT COUNT(*) FROM stuinfo",&RecordsAffected,adCmdText);
_variant_t vIndex = (long)0;
_variant_t vCount = m_pRecordset->GetCollect(vIndex); //取得第一个字段的值放入vCount变量
count=vCount.lVal; //获取记录集的记录数
m_pRecordset->Close(); //关闭记录集
m_pRecordset.CreateInstance(__uuidof(Recordset)); //创建记录集对象
CString strSQL="SELECT * FROM stuinfo";
try
{
//从数据库中打开表
m_pRecordset->Open(_bstr_t(strSQL), m_pConnection.GetInterfacePtr(),adOpenDynamic,adLockOptimistic,adCmdText);
}
catch (_com_error e)
{
CString strError;
strError.Format("警告:打开数据表时发生异常。错误信息:%s",e.ErrorMessage());
AfxMessageBox(strError);
return false;
}
return TRUE; // return TRUE unless you set the focus to a control
}
void CExcelPrintDlg::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 CExcelPrintDlg::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 CExcelPrintDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CExcelPrintDlg::OnExcelPrint()
{
// TODO: Add your control notification handler code here
UpdateData(true);
CString Field[4]={"","","性别","藉贯"};//列的标题
_Application exApp;//应用程序对象
_Workbook exBook;//工作簿对象
Workbooks exBooks;//工作簿集合对象
Worksheets exSheets;//工作表集合
_Worksheet exSheet;//工作表对象
Range exRange;
Font exFont;//字体
//建立word应用对象
if(!exApp.CreateDispatch(_T("Excel.Application")))
{
AfxMessageBox(_T(" Excel failed to start!"));
return;
}
VARIANT varOptional;//可选参数变量
VariantInit(&varOptional);
varOptional.vt=VT_ERROR;
varOptional.scode=DISP_E_PARAMNOTFOUND;
//添加工组簿和工作表
exBooks=exApp.GetWorkbooks();
exBook=exBooks.Add(varOptional);
exSheets=exBook.GetWorksheets();
exSheet=exSheets.Add(varOptional,varOptional,varOptional,varOptional);
long nRows,nCols;//定义表的行和列
nCols=4;
nRows=count+1;
long nstrLen;
CString strField;
VARIANT varCol;//用于设置列宽
VariantInit(&varCol);
varCol.vt=VT_R4;
char cCol='A';//A列
CString strCol;
for(int i=0;i<nCols;i++)
{
CString str=Field[i];
nstrLen=str.GetLength();
strCol=cCol;
strCol=strCol+"1";
exRange=exSheet.GetRange(COleVariant(strCol),varOptional);
varCol.fltVal=nstrLen+10;
exRange.SetColum
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