ActiveX/DCOM/ATL

开发平台：

Visual C++

DALMyBooks.h：源码内容

							// DALMyBooks.h : Declaration of the CDALMyBooks
#ifndef __DALMYBOOKS_H_
#define __DALMYBOOKS_H_
#include "resource.h"       // main symbols
/////////////////////////////////////////////////////////////////////////////
// CDALMyBooks
class ATL_NO_VTABLE CDALMyBooks : 
	public CComObjectRootEx<CComSingleThreadModel>,
	public CComCoClass<CDALMyBooks, &CLSID_DALMyBooks>,
	public ISupportErrorInfo,
	public IDispatchImpl<IDALMyBooks, &IID_IDALMyBooks, &LIBID_EXDALLib>
{
public:
	CDALMyBooks()
	{
	}
DECLARE_REGISTRY_RESOURCEID(IDR_DALMYBOOKS)
DECLARE_PROTECT_FINAL_CONSTRUCT()
BEGIN_COM_MAP(CDALMyBooks)
	COM_INTERFACE_ENTRY(IDALMyBooks)
	COM_INTERFACE_ENTRY(IDispatch)
	COM_INTERFACE_ENTRY(ISupportErrorInfo)
END_COM_MAP()
// ISupportsErrorInfo
	STDMETHOD(InterfaceSupportsErrorInfo)(REFIID riid);
// IDALMyBooks
public:
	STDMETHOD(get_DataSource)(/*[out, retval]*/ BSTR *pVal);
	STDMETHOD(put_DataSource)(/*[in]*/ BSTR newVal);
	STDMETHOD(get_PWD)(/*[out, retval]*/ BSTR *pVal);
	STDMETHOD(put_PWD)(/*[in]*/ BSTR newVal);
	STDMETHOD(get_UID)(/*[out, retval]*/ BSTR *pVal);
	STDMETHOD(put_UID)(/*[in]*/ BSTR newVal);
	STDMETHOD(Update)(/*[in]*/ DTOBook* Book, /*[out]*/ UINT* iResult);
	STDMETHOD(DeleteBookById)(/*[in]*/ UINT id, /*[out]*/ UINT* iResult);
	STDMETHOD(SaveBook)(/*[in]*/ DTOBook* bookdata, /*[out]*/ UINT* pResult);
	STDMETHOD(QueryAllBook)(/*[out]*/ DTOBook** allBook);
	STDMETHOD(GetBookByIsbn)(/*[in]*/ UINT bookisbn,/*[out]*/ DTOBook** mybook);
private:
	_ConnectionPtr GetMyConn();
	CString m_sqlQueryById;
	CString m_sqlQueryAll;
	CString m_sqlUpdate;
	CString m_sqlSave;
	CString m_sqlDelete;
	CString m_UID;
	CString m_PWD;
	CString m_DataSource;
};
#endif //__DALMYBOOKS_H_

						