zyszdlg.cpp

学生成绩管理系统,实现增加删除修改保存等功能

// ZyszDlg.cpp : implementation file
//

#include "stdafx.h"
#include "StuManage.h"
#include "ZyszDlg.h"
#include "ZyszReset.h"

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

/////////////////////////////////////////////////////////////////////////////
// CZyszDlg dialog


CZyszDlg::CZyszDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CZyszDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CZyszDlg)
	m_zyID = _T("");
	m_zyName = _T("");
	m_zySm = _T("");
	//}}AFX_DATA_INIT
}


void CZyszDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CZyszDlg)
	DDX_Control(pDX, IDC_ZYXX_LIST, m_zyszlist);
	DDX_Text(pDX, IDC_ZYID_EDIT, m_zyID);
	DDX_Text(pDX, IDC_ZYNAME_EDIT, m_zyName);
	DDX_Text(pDX, IDC_ZYSM_EDIT, m_zySm);
	//}}AFX_DATA_MAP
}


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

/////////////////////////////////////////////////////////////////////////////
// CZyszDlg message handlers

BOOL CZyszDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
    m_zyszlist.InsertColumn(0,"专业代号");
	m_zyszlist.InsertColumn(1,"专业名称");
	m_zyszlist.InsertColumn(2,"专业说明");
	CRect rect;
	m_zyszlist.GetWindowRect(&rect);
	int wid=rect.right-rect.left;
	m_zyszlist.SetColumnWidth(0,wid/3);
    m_zyszlist.SetColumnWidth(1,wid/3);
	m_zyszlist.SetColumnWidth(2,wid/3);
	m_zyszlist.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 CZyszDlg::RefreshList()
{
    if(!m_database.IsOpen()) {
		m_database.Open(_T("xscjgl"));
	}
	m_zyszlist.DeleteAllItems();
    CZyszReset m_ZyszSet(&m_database);
	CString strSQL;
	strSQL.Format("select * from zysz");
	m_database.ExecuteSQL(strSQL);
	m_ZyszSet.Open(AFX_DB_USE_DEFAULT_TYPE,strSQL);
	if(m_ZyszSet.GetRecordCount()!=0)
		m_ZyszSet.MoveFirst();
	int i=0;
	while(!m_ZyszSet.IsEOF()) {
		CString temp;
		m_ZyszSet.GetFieldValue("zyID",temp);
		m_zyszlist.InsertItem(i,temp);
		m_zyszlist.SetItemText(i,1,m_ZyszSet.m_zyName);
		m_zyszlist.SetItemText(i,2,m_ZyszSet.m_zySm);
		m_ZyszSet.MoveNext();
		i++;
	}
	m_ZyszSet.Close();
}

void CZyszDlg::OnAddButton() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	//m_database.Close();
	CZyszReset m_ZyszSet;
	if(!UpdateData())
		return;
	if(m_zyID.GetLength()==0) {
		MessageBox("请输入专业代号");
	    return;
	}
	if(m_zyName.GetLength()==0) {
		MessageBox("请输入专业名称!");
		return;
	}
	CString strSQL;
	int flag=0;
	int i=atoi(m_zyID);
	while(!flag) {
		CZyszReset m_ZyszSet(&m_database);
		strSQL.Format("select * from zysz where zyID='%d'",i);
		m_ZyszSet.Open(AFX_DB_USE_DEFAULT_TYPE,strSQL);
		if(m_ZyszSet.GetRecordCount()==0) {
			strSQL.Format("insert into zysz values(%d,\'%s',\'%s')",i,m_zyName,m_zySm);
			m_database.ExecuteSQL(strSQL);
			m_ZyszSet.Close();
			m_database.Close();	
			RefreshList();
			flag=1;
		}
	}
	//CDialog::OnOK();	
}

void CZyszDlg::OnSaveButton() 
{
	// TODO: Add your control notification handler code here
	CZyszReset m_ZyszSet(&m_database);
	m_ZyszSet.m_zyID=m_zyID;
	m_ZyszSet.m_zyName=m_zyName;
	m_ZyszSet.m_zySm=m_zySm;
	m_ZyszSet.Close();
	RefreshList();
	CDialog::OnOK();
}

void CZyszDlg::OnDeleteButton() 
{
	// TODO: Add your control notification handler code here
	CZyszReset m_ZyszSet;
	int i=m_zyszlist.GetSelectionMark();
	CString strSQL;
    int keyid=atoi(m_zyszlist.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 zysz where zyID='%d'",keyid);
			m_database.ExecuteSQL(strSQL);
			m_database.Close();
			RefreshList();
		}
	}
}

void CZyszDlg::OnModifyButton() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	CZyszReset m_ZyszSet;
	CString strSQL;
	int flag=0;
	int i=atoi(m_zyID);
	while(!flag) {
		CZyszReset m_ZyszSet(&m_database);
		strSQL.Format("update zysz set zyName='%s',zySm='%s' where zyID='%d'",m_zyName,m_zySm,i);
		m_database.ExecuteSQL(strSQL);
		m_database.Close();	
		RefreshList();
		flag=1;	
	}
	//CDialog::OnOK();	
}

void CZyszDlg::OnCancel() 
{
	// TODO: Add your control notification handler code here
	OnOK();
}