exeldlg.cpp

用来管理学生的信息,可以添加学生的姓名,学号,以及成绩,也可以删除相关信息

// ExelDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Exel.h"
#include "ExelDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CExelDlg dialog

CExelDlg::CExelDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CExelDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CExelDlg)
	m_Name = _T("");
	m_Score2 = 0;
	m_Score3 = 0;
	m_Score1 = 0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CExelDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CExelDlg)
	DDX_Control(pDX, IDC_LIST1, m_List);
	DDX_Text(pDX, IDC_STU_NAME, m_Name);
	DDX_Text(pDX, IDC_STU_SCORE2, m_Score2);
	DDX_Text(pDX, IDC_STU_SCORE3, m_Score3);
	DDX_Text(pDX, IDC_STU_SCORE1, m_Score1);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CExelDlg, CDialog)
	//{{AFX_MSG_MAP(CExelDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_DATA_ADD, OnDataAdd)
	ON_BN_CLICKED(IDC_DATA_DEL, OnDataDel)
	ON_LBN_SELCHANGE(IDC_LIST1, OnSelchangeList1)
	ON_WM_DESTROY()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CExelDlg message handlers

BOOL CExelDlg::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 CExelDlg::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 CExelDlg::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 CExelDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CExelDlg::OnDataAdd() 
{
	// TODO: Add your control notification handler code here
   UpdateData(TRUE);
	if(m_Name.IsEmpty())
	{
		MessageBox("姓名不能为空！");
		return;
	}
	m_Name.TrimLeft();
	m_Name.TrimRight();
	if((m_List.FindString(-1,m_Name))!=LB_ERR)
	{
		MessageBox("列表框中已有相同姓名，不能添加！");
		return;
	}
	int nIndex=m_List.AddString(m_Name);
	SCORE data;
	data.score1=m_Score1;
	data.score2=m_Score2;
	data.score3=m_Score3;
	m_List.SetItemDataPtr(nIndex,new SCORE(data));
	
}

void CExelDlg::OnDataDel() 
{
	// TODO: Add your control notification handler code here
	int nIndex=m_List.GetCurSel();
	if(nIndex!=LB_ERR)
	{
		m_List.DeleteString(nIndex);
		delete(SCORE*)m_List.GetItemData(nIndex);
		m_Name.Empty();
		m_Score1=m_Score2=m_Score3=0;
		UpdateData(FALSE);

	}
	else
		MessageBox("当前没有选择项或列表框操作失败！");

	
}

void CExelDlg::OnSelchangeList1() 
{
	// TODO: Add your control notification handler code here
	int nIndex=m_List.GetCurSel();
	if(nIndex!=LB_ERR)
	{
		m_List.GetText(nIndex,m_Name);
		SCORE*data=(SCORE*)m_List.GetItemDataPtr(nIndex);
		m_Score1=data->score1;
		m_Score2=data->score2;
		m_Score3=data->score3;
	}
	
}

void CExelDlg::OnDestroy() 
{
	CDialog::OnDestroy();
	
	// TODO: Add your message handler code here
	for(int nIndex=m_List.GetCount()-1;nIndex>=0;nIndex--)
	{
		delete(SCORE*)m_List.GetItemDataPtr(nIndex);
	}
	CDialog::OnDestroy();
	
}