account.h

本程序是利用com原理开发的一个ATM机与银行之间的分布式应用

// Account.h : Declaration of the CAccount

#ifndef __ACCOUNT_H_
#define __ACCOUNT_H_

#include "resource.h"       // main symbols

/////////////////////////////////////////////////////////////////////////////
// CAccount
class ATL_NO_VTABLE CAccount : 
	public CComObjectRootEx<CComSingleThreadModel>,
	public CComCoClass<CAccount, &CLSID_Account>,
	public IDispatchImpl<IAccount, &IID_IAccount, &LIBID_BANKLib>
{
public:
	CAccount()
	{
	}

DECLARE_REGISTRY_RESOURCEID(IDR_ACCOUNT)

DECLARE_PROTECT_FINAL_CONSTRUCT()

BEGIN_COM_MAP(CAccount)
	COM_INTERFACE_ENTRY(IAccount)
	COM_INTERFACE_ENTRY(IDispatch)
END_COM_MAP()

// IAccount
public:
	STDMETHOD(WithDraw)(BSTR AccountID, float drawing, float *pCurFund);
	STDMETHOD(Deposit)(BSTR AccountID, float saving, float * pCurFund);
	STDMETHOD(GetCurrentFund)(BSTR AccountID, float * pCurFund);
	STDMETHOD(Login)(BSTR AccountID, BSTR Pswd, BOOL *pIsValid);

	//--自建函数及变量----------------------------------
	BOOL ConnectDBSource(/*BSTR AccountID,BSTR Pswd*/);   //连接数据源
	_ConnectionPtr   m_pConnection;	
	_CommandPtr      pCommand;
	_RecordsetPtr    pRecordset;
};

#endif //__ACCOUNT_H_