srmsdlg.cpp

采用vc++和sql server 2000结合的学生成绩信息管理系统

// SRMSDlg.cpp : implementation file
//

#include "stdafx.h"
#include "SRMS.h"
#include "SRMSDlg.h"
#include "column.h"
#include "columns.h"
#include "COMDEF.h"
#include "EditDlg.h"
#include "_recordset.h"
#include "datagrid.h"
#include "Results.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()

/////////////////////////////////////////////////////////////////////////////
// CSRMSDlg dialog

CSRMSDlg::CSRMSDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CSRMSDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSRMSDlg)
	m_radio = -1;
	m_name = _T("");
	m_id = 0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CSRMSDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSRMSDlg)
	DDX_Control(pDX, IDC_LIST, m_list);
	DDX_Control(pDX, IDC_ADODC1, m_adodc);
	DDX_Control(pDX, IDC_DATAGRID1, m_datagrid);
	DDX_Radio(pDX, IDC_RADIO_NAME, m_radio);
	DDX_Text(pDX, IDC_NAME, m_name);
	DDX_Text(pDX, IDC_ID, m_id);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CSRMSDlg, CDialog)
	//{{AFX_MSG_MAP(CSRMSDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_ADD, OnAdd)
	ON_BN_CLICKED(IDC_DEL, OnDel)
	ON_BN_CLICKED(IDC_ALL, OnAll)
	ON_BN_CLICKED(IDC_FIND, OnFind)
	ON_BN_CLICKED(IDC_RADIO_NAME, OnRadioName)
	ON_BN_CLICKED(IDC_RADIO_ID, OnRadioId)
	ON_BN_CLICKED(IDC_ORDER, OnOrder)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSRMSDlg message handlers

BOOL CSRMSDlg::OnInitDialog()
{
	CDialog::OnInitDialog();
	m_list.SetCurSel(0);

	// 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
	_bstr_t vSQL;
	vSQL="SELECT Stu_id AS 学号,Stu_name AS 姓名,Sex AS 性别,math AS 数学,chinese AS 语文,computer AS 计算机,average AS 均分 FROM Results";
	RefreshData(vSQL);
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CSRMSDlg::OnAdd() 
{
	// TODO: Add your control notification handler code here
	CEditDlg dlg;
	dlg.strSex="男";
	_bstr_t vSQL;
	vSQL="SELECT Stu_id AS 学号,Stu_name AS 姓名,Sex AS 性别,math AS 数学,chinese AS 语文,computer AS 计算机,average AS 均分 FROM Results";
	if(dlg.DoModal()==IDOK)
		RefreshData(vSQL);
}

void CSRMSDlg::OnDel() 
{
	_bstr_t vSQL;
	vSQL="SELECT Stu_id AS 学号,Stu_name AS 姓名,Sex AS 性别,math AS 数学,chinese AS 语文,computer AS 计算机,average AS 均分 FROM Results";
	if (m_adodc.GetRecordset().GetEof() == 1) 
	{
		MessageBox("请选择要删除的数据");
		return;
	}
	
	if (MessageBox("是否删除当前记录？","请确认", MB_YESNO) == IDYES)
	{
		Results stu;
		stu.sql_delete(m_datagrid.GetItem(0));
		RefreshData(vSQL);
	}	// TODO: Add your control notification handler code here
	
}

void CSRMSDlg::RefreshData(_bstr_t vSQL)
{
	m_adodc.SetRecordSource(vSQL);
	m_adodc.Refresh();
	_variant_t vIndex;
	vIndex = long(0);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(60);
	vIndex = long(1);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(70);
	vIndex = long(2);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(30);
	vIndex = long(3);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(50);
	vIndex = long(4);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(50);
	vIndex = long(5);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(50);
	vIndex = long(6);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(58);
}

void CSRMSDlg::OnAll() 
{
	// TODO: Add your control notification handler code here
	_bstr_t vSQL;
	vSQL="SELECT Stu_id AS 学号,Stu_name AS 姓名,Sex AS 性别,math AS 数学,chinese AS 语文,computer AS 计算机,average AS 均分 FROM Results";
	RefreshData(vSQL);
}

void CSRMSDlg::OnFind() 
{
	UpdateData(TRUE);
	Results stu;
	if(m_radio==0)
	{
		stu.SetName(m_name);
		stu.sql_search(0,&m_adodc,&m_datagrid);
	}
	if (m_radio==1) {
		stu.SetId(m_id);
		stu.sql_search(1,&m_adodc,&m_datagrid);
	}
	m_id=0;
	m_name="";
}

void CSRMSDlg::OnRadioName() 
{
	CEdit* pEdit = (CEdit*)GetDlgItem(IDC_ID); 
	pEdit->SetReadOnly(TRUE);
	m_id=0;
	pEdit = (CEdit*)GetDlgItem(IDC_NAME); 
	pEdit->SetReadOnly(FALSE);
}

void CSRMSDlg::OnRadioId() 
{
	m_name="";
	CEdit* pEdit = (CEdit*)GetDlgItem(IDC_ID); 
	pEdit->SetReadOnly(FALSE);
	pEdit = (CEdit*)GetDlgItem(IDC_NAME); 
	pEdit->SetReadOnly(TRUE);	// TODO: Add your control notification handler code here
	
}

void CSRMSDlg::OnOrder() 
{
	Results stu;
	m_list.GetLBText(m_list.GetCurSel(), strList);
	if(strList=="数学")
		stu.sql_order(0,&m_adodc,&m_datagrid);
	else
		if(strList=="语文")
			stu.sql_order(1,&m_adodc,&m_datagrid);
		else
			if(strList=="计算机")
				stu.sql_order(2,&m_adodc,&m_datagrid);
			else
				if(strList=="均分")
					stu.sql_order(3,&m_adodc,&m_datagrid);
}