exam7_1dlg.cpp

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// Exam7_1Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "Exam7_1.h"
#include "Exam7_1Dlg.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()

/////////////////////////////////////////////////////////////////////////////
// CExam7_1Dlg dialog

CExam7_1Dlg::CExam7_1Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CExam7_1Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CExam7_1Dlg)
	m_user = _T("");
	m_pwd = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);

	userlist[0][0]="MARY";
	userlist[0][1]="123456";
	userlist[1][0]="MARY";
	userlist[1][1]="123456";
	userlist[2][0]="MARY";
	userlist[2][1]="123456";
	userlist[3][0]="MARY";
	userlist[3][1]="123456";
	userlist[4][0]="MARY";
	userlist[4][1]="123456";

}

void CExam7_1Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CExam7_1Dlg)
	DDX_Control(pDX, IDC_PWD, m_EditPwd);
	DDX_Control(pDX, IDC_USER, m_EditUser);
	DDX_Text(pDX, IDC_USER, m_user);
	DDV_MaxChars(pDX, m_user, 10);
	DDX_Text(pDX, IDC_PWD, m_pwd);
	DDV_MaxChars(pDX, m_pwd, 6);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CExam7_1Dlg, CDialog)
	//{{AFX_MSG_MAP(CExam7_1Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CExam7_1Dlg message handlers

BOOL CExam7_1Dlg::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
	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CExam7_1Dlg::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 CExam7_1Dlg::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 CExam7_1Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CExam7_1Dlg::OnOK() 
{
	// TODO: Add extra validation here
	UpdateData(true);//更新控件值变量	
	if(m_user.IsEmpty())//　检查用户名不能为空	
	{
		AfxMessageBox("用户名不能为空，请输入");	 
		m_EditUser.SetFocus(); // 焦点返回用户名输入框	
	}	
	else if(m_pwd.IsEmpty())//检查密码不能为空	
	{
		AfxMessageBox("密码不能为空，请输入");	 
		m_EditPwd.SetFocus();// 焦点返回密码输入框	
	}		
	else //检查密码长度必须为6位	
	{
		int len=m_EditPwd.LineLength();//取得密码长度	 
		if(len!=6)	
		{
			AfxMessageBox("密码必须为6位，请重新输入");	 
			m_EditPwd.SetFocus(); 	
		}	 
		else //核对用户名和密码是否合法	
		{     
            for(int i=0;i<5;i++)
				if((m_user==userlist[i][0])&&(m_pwd==userlist[i][1]))			 
				{
					MessageBox("you are welcome !");
					break;
				}//合法用户		
			if(i==5)//不合法用户		  
                MessageBox("sorry,you are not permitted!");	
		}
	}	
	CDialog::OnOK();
}