syslogindlg.cpp

大型实验：Unix文件管系统模拟。用内存中的一段区域模拟硬盘空间

// SysLoginDlg.cpp : implementation file
//

#include "stdafx.h"
#include "FileSys.h"
#include "SysLoginDlg.h"
#include "filsys.h"

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

/////////////////////////////////////////////////////////////////////////////
// CSysLoginDlg dialog


CSysLoginDlg::CSysLoginDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CSysLoginDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSysLoginDlg)
	m_password = _T("");
	m_username = _T("");
	//}}AFX_DATA_INIT
}


void CSysLoginDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSysLoginDlg)
	DDX_Text(pDX, IDC_EDIT2, m_password);
	DDV_MaxChars(pDX, m_password, 15);
	DDX_Text(pDX, IDC_EDIT1, m_username);
	DDV_MaxChars(pDX, m_username, 15);
	//}}AFX_DATA_MAP
}


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

/////////////////////////////////////////////////////////////////////////////
// CSysLoginDlg message handlers

void CSysLoginDlg::OnOK() 
{
	UpdateData(true);
	// TODO: Add extra validation here
	if(m_username.GetLength()<=0 || m_password.GetLength()<=0)
		return;

	user_id = login(m_username.GetBuffer(m_username.GetLength()),
						m_password.GetBuffer(m_password.GetLength()));
	if(user_id<0){
		m_username = "";
		m_password = "";
		UpdateData(false);

		((CStatic*)GetDlgItem(IDC_ERROR))->SetWindowText("你输入帐号或是密码有误！");

		return ;
	}
	CDialog::OnOK();
}

void CSysLoginDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	
	CDialog::OnCancel();
}