xyszdlg.cpp

学生成绩管理系统,实现增加删除修改保存等功能

// XyszDlg.cpp : implementation file
//

#include "stdafx.h"
#include "StuManage.h"
#include "XyszDlg.h"
#include "XyszSet.h"

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

/////////////////////////////////////////////////////////////////////////////
// CXyszDlg dialog


CXyszDlg::CXyszDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CXyszDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CXyszDlg)
	m_xyID = _T("");
	m_xyName = _T("");
	m_xySm = _T("");
	//}}AFX_DATA_INIT
}


void CXyszDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CXyszDlg)
	DDX_Control(pDX, IDC_XYXX_LIST, m_xyszlist);
	DDX_Text(pDX, IDC_XYID_EDIT, m_xyID);
	DDX_Text(pDX, IDC_XYNAME_EDIT, m_xyName);
	DDX_Text(pDX, IDC_XYSM_EDIT, m_xySm);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CXyszDlg, CDialog)
	//{{AFX_MSG_MAP(CXyszDlg)
	ON_BN_CLICKED(IDC_ADD_BUTTON, OnAddButton)
	ON_BN_CLICKED(IDC_DELETE_BUTTON, OnDeleteButton)
	ON_BN_CLICKED(IDC_SAVE_BUTTON, OnSaveButton)
	ON_BN_CLICKED(IDC_MODIFY_BUTTON, OnModifyButton)
	ON_BN_CLICKED(IDC_CANCEL, OnCancel)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CXyszDlg message handlers

BOOL CXyszDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	m_xyszlist.InsertColumn(0,"学院代号");
	m_xyszlist.InsertColumn(1,"学院名称");
	m_xyszlist.InsertColumn(2,"学院说明");
	CRect rect;
	m_xyszlist.GetWindowRect(&rect);
	int wid=rect.right-rect.left;
	m_xyszlist.SetColumnWidth(0,wid/3);
    m_xyszlist.SetColumnWidth(1,wid/3);
	m_xyszlist.SetColumnWidth(2,wid/3);
	m_xyszlist.SetExtendedStyle(LVS_EX_FULLROWSELECT);
	RefreshList();
	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CXyszDlg::RefreshList()
{
	if(!m_database.IsOpen()) {
		m_database.Open(_T("xscjgl"));
	}
	m_xyszlist.DeleteAllItems();
    CXyszSet m_XyszSet(&m_database);
	CString strSQL;
	strSQL.Format("select * from xysz");
	m_database.ExecuteSQL(strSQL);
	m_XyszSet.Open(AFX_DB_USE_DEFAULT_TYPE,strSQL);
	if(m_XyszSet.GetRecordCount()!=0)
		m_XyszSet.MoveFirst();
	int i=0;
	while(!m_XyszSet.IsEOF()) {
		CString temp;
		m_XyszSet.GetFieldValue("xyID",temp);
		m_xyszlist.InsertItem(i,temp);
		m_xyszlist.SetItemText(i,1,m_XyszSet.m_xyName);
		m_xyszlist.SetItemText(i,2,m_XyszSet.m_xySm);
		m_XyszSet.MoveNext();
		i++;
	}
	m_XyszSet.Close();
}

void CXyszDlg::OnAddButton() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	//m_database.Close();
	CXyszSet m_XyszSet;
	if(!UpdateData())
		return;
	if(m_xyID.GetLength()==0) {
		MessageBox("请输入学院代号");
	    return;
	}
	if(m_xyName.GetLength()==0) {
		MessageBox("请输入学院名称!");
		return;
	}
	CString strSQL;
	int flag=0;
	//int i=atoi(m_XyszSet.m_xbID);
	int i=atoi(m_xyID);
	while(!flag) {
		CXyszSet m_XyszSet(&m_database);
		strSQL.Format("select * from xysz where xyID='%d'",i);
		m_XyszSet.Open(AFX_DB_USE_DEFAULT_TYPE,strSQL);
		if(m_XyszSet.GetRecordCount()==0) {
			strSQL.Format("insert into xysz values(%d,\'%s',\'%s')",i,m_xyName,m_xySm);
			m_database.ExecuteSQL(strSQL);
			m_XyszSet.Close();
			m_database.Close();	
			RefreshList();
			flag=1;
		}
	}
	//CDialog::OnOK();	
}

void CXyszDlg::OnDeleteButton() 
{
	// TODO: Add your control notification handler code here
	CXyszSet m_XyszSet;
	int i=m_xyszlist.GetSelectionMark();
	CString strSQL;
    int keyid=atoi(m_xyszlist.GetItemText(i,0));
	if(keyid<0)
	{
		MessageBox("请选择您要删除的一行！");
	}
	else
	{
		if(MessageBox("您确定要删除该记录吗?","是否删除",MB_OKCANCEL|MB_ICONQUESTION)==IDOK)
		{
			strSQL.Format("delete from xysz where xyID='%d'",keyid);
			m_database.ExecuteSQL(strSQL);
			m_database.Close();
			RefreshList();
		}
	}
}

void CXyszDlg::OnSaveButton() 
{
	// TODO: Add your control notification handler code here
	CXyszSet m_XyszSet(&m_database);
	m_XyszSet.m_xyID=m_xyID;
	m_XyszSet.m_xyName=m_xyName;
	m_XyszSet.m_xySm=m_xySm;
	m_XyszSet.Close();
	RefreshList();
	CDialog::OnOK();
}

void CXyszDlg::OnModifyButton() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	CXyszSet m_XyszSet;
	CString strSQL;
	int flag=0;
	int i=atoi(m_xyID);
	while(!flag) {
		CXyszSet m_XyszSet(&m_database);
		strSQL.Format("update xysz set xyName='%s',xySm='%s' where xyID='%d'",m_xyName,m_xySm,i);
		m_database.ExecuteSQL(strSQL);
		m_database.Close();	
		RefreshList();
		flag=1;	
	}
	//CDialog::OnOK();	
}
void CXyszDlg::OnCancel() 
{
	// TODO: Add your control notification handler code here
	CDialog::OnOK();
}