dlglogin.cpp

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

// DlgLogin.cpp : implementation file
//

#include "stdafx.h"
#include "ATM.h"
#include "DlgLogin.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

BOOL     g_IsAccountValid ;
CString  g_AccountID ;

/////////////////////////////////////////////////////////////////////////////
// CDlgLogin dialog


CDlgLogin::CDlgLogin(CWnd* pParent /*=NULL*/)
	: CDialog(CDlgLogin::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDlgLogin)
	m_sAccount = _T("");
	m_sPswd = _T("");
	//}}AFX_DATA_INIT
	g_IsAccountValid = FALSE ;
}


void CDlgLogin::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDlgLogin)
	DDX_Text(pDX, IDC_Account, m_sAccount);
	DDV_MaxChars(pDX, m_sAccount, 12);
	DDX_Text(pDX, IDC_Pswd, m_sPswd);
	DDV_MaxChars(pDX, m_sPswd, 6);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CDlgLogin, CDialog)
	//{{AFX_MSG_MAP(CDlgLogin)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDlgLogin message handlers

BOOL CDlgLogin::OnInitDialog() 
{
	CDialog::OnInitDialog();

	return TRUE;  
}

void CDlgLogin::OnOK() 
{
	HRESULT	  hr;
    IAccount *IAccount;                 //指向接口的指针

	UpdateData(TRUE);

    BSTR AccountID = A2BSTR(m_sAccount);
    BSTR Pswd      = A2BSTR(m_sPswd);

    //hr = CoCreateInstance(CLSID_Account,NULL,CLSCTX_SERVER,IID_IAccount,(void**)&IAccount );   
	COSERVERINFO srvinfo={0,L"192.168.0.2",NULL,0};
	MULTI_QI MultiQI = {&IID_IUnknown,NULL,NOERROR};
	hr=CoCreateInstanceEx(CLSID_Account, NULL, CLSCTX_REMOTE_SERVER,
		                  &srvinfo,  1,   &MultiQI); 
  	if(hr!=0)
		AfxMessageBox("COM组件创建失败!");
    else
	{
	   BOOL IsAccountValid = FALSE;
       hr = IAccount->Login(AccountID,Pswd,&IsAccountValid);    // call method
       g_IsAccountValid = IsAccountValid;
	   g_AccountID  =  m_sAccount;
       hr = IAccount->Release();                //释放接口
    }

	CDialog::OnOK();
}