examtimedlg.cpp

一个由MFC做的学生信息管理系统

// ExamtimeDlg.cpp : implementation file
//

#include "stdafx.h"
#include "SSF.h"
#include "ExamtimeDlg.h"
#include"ExamtimeSet.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CExamtimeDlg dialog


CExamtimeDlg::CExamtimeDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CExamtimeDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CExamtimeDlg)
	m_strCode = _T("");
	m_strName = _T("");
	//}}AFX_DATA_INIT
}


void CExamtimeDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CExamtimeDlg)
	DDX_Control(pDX, IDC_BUTTON4modify, m_bntModify);
	DDX_Control(pDX, IDC_BUTTON3delete, m_bntDelete);
	DDX_Control(pDX, IDC_BUTTON2save, m_bntSave);
	DDX_Control(pDX, IDC_BUTTON1new, m_bntNew);
	DDX_Control(pDX, 1006, m_ctrList);
	DDX_Text(pDX, IDC_EDIT1, m_strCode);
	DDX_Text(pDX, IDC_EDIT2, m_strName);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CExamtimeDlg, CDialog)
	//{{AFX_MSG_MAP(CExamtimeDlg)
	ON_NOTIFY(NM_CLICK, 1006, OnClick1006)
	ON_BN_CLICKED(IDC_BUTTON1new, OnBUTTON1new)
	ON_BN_CLICKED(IDC_BUTTON2save, OnBUTTON2save)
	ON_BN_CLICKED(IDC_BUTTON3delete, OnBUTTON3delete)
	ON_BN_CLICKED(IDC_BUTTON4modify, OnBUTTON4modify)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CExamtimeDlg message handlers

BOOL CExamtimeDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	m_ctrList.InsertColumn(0,"代码");
    m_ctrList.InsertColumn(1,"考试时间段");

	m_ctrList.SetColumnWidth(0,100);
    m_ctrList.SetColumnWidth(1,100);

	m_ctrList.SetExtendedStyle(LVS_EX_FULLROWSELECT|LVS_EX_GRIDLINES);
    m_bntSave.EnableWindow(FALSE);
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CExamtimeDlg::OnClick1006(NMHDR* pNMHDR, LRESULT* pResult) 
{
	// TODO: Add your control notification handler code here
	
	CExamtimeSet m_recordset;
	// TODO: Add your control notification handler code here
	CString strSQL;
	UpdateData(TRUE);
	int i=m_ctrList.GetSelectionMark();
    strSQL.Format("select * from examtime where ID='%s'",m_ctrList.GetItemText(i,0));
   if(!m_recordset.Open(AFX_DB_USE_DEFAULT_TYPE,strSQL))
	{
		MessageBox("打开数据库失败!","数据库错误",MB_OK);
		return;
	}
	m_strCode=m_recordset.m_ID;
	m_strName=m_recordset.m_time;

	m_recordset.Close();
	UpdateData(FALSE);
	m_bntSave.EnableWindow(FALSE);
	m_bntNew.EnableWindow();
	m_bntDelete.EnableWindow();
	m_bntModify.EnableWindow();
	*pResult = 0;
}

void CExamtimeDlg::OnBUTTON1new() 
{
	// TODO: Add your control notification handler code here
	// TODO: Add your control notification handler code here
	m_strName="";
	m_strCode="";
	m_bntSave.EnableWindow();
	m_bntNew.EnableWindow(FALSE);
	m_bntDelete.EnableWindow(FALSE);
	m_bntModify.EnableWindow(FALSE);
	UpdateData(FALSE);
}

void CExamtimeDlg::OnBUTTON2save() 
{
	// TODO: Add your control notification handler code here
	CExamtimeSet m_recordset;
	// TODO: Add your control notification handler code here
	UpdateData();
	if(m_strName=="")
	{
		AfxMessageBox("请输入考试时间段");
	}
   if(m_strCode=="")
	{
		AfxMessageBox("请输入代码");
	}
   CString  strSQL;
   strSQL.Format("select * from examtime where ID='%s'",m_strCode);
   if(!m_recordset.Open(AFX_DB_USE_DEFAULT_TYPE,strSQL))
	{
		MessageBox("打开数据库失败!","数据库错误",MB_OK);
		return;
	}
	if(m_recordset.GetRecordCount()!=0)
	{
		m_recordset.Close();
		AfxMessageBox("当前编码已经存在！请重新输入!");
		m_strCode="";
		UpdateData(FALSE);
		return;
	}

	m_recordset.AddNew();
	m_recordset.m_ID=m_strCode;
	m_recordset.m_time=m_strName;

	m_recordset.Update();
	m_recordset.Close();
	m_ctrList.InsertItem(0,m_strCode);
	m_ctrList.SetItemText(0,1,m_strName);

 

	 //更新界面显示
    m_strCode= _T("");
    m_strName= _T("");                           
	UpdateData(FALSE);
}

void CExamtimeDlg::OnBUTTON3delete() 
{
	// TODO: Add your control notification handler code here
	// TODO: Add your control notification handler code here
	CExamtimeSet m_recordset;
	// TODO: Add your control notification handler code here
	int i=m_ctrList.GetSelectionMark();
	if(0>i)
	{
		MessageBox("请选择一条记录进行修改");
		return;
	}
	if(m_strName=="")
	{
		AfxMessageBox("请输入考试时间段");
	}
   if(m_strCode=="")
	{
		AfxMessageBox("请输入代码");
	}
     CString  strSQL;
   strSQL.Format("select * from examtime where ID='%s'",m_ctrList.GetItemText(i,0));
   if(!m_recordset.Open(AFX_DB_USE_DEFAULT_TYPE,strSQL))
	{
		MessageBox("打开数据库失败!","数据库错误",MB_OK);
		return;
	}
   m_recordset.Delete();
   m_recordset.Close();
   m_ctrList.DeleteItem(i);
   	m_strName="";
	m_strCode="";
	UpdateData(FALSE);
}

void CExamtimeDlg::OnBUTTON4modify() 
{
	// TODO: Add your control notification handler code here
	CExamtimeSet m_recordset;
	// TODO: Add your control notification handler code here
	UpdateData();
	int i=m_ctrList.GetSelectionMark();
	if(0>i)
	{
		MessageBox("请选择一条记录进行修改");
		return;
	}
	if(m_strName=="")
	{
		AfxMessageBox("请输入考试时间段");
	}
   if(m_strCode=="")
	{
		AfxMessageBox("请输入代码");
	}
     CString  strSQL;
   strSQL.Format("select * from examtime where ID='%s'",m_ctrList.GetItemText(i,0));
   if(!m_recordset.Open(AFX_DB_USE_DEFAULT_TYPE,strSQL))
	{
		MessageBox("打开数据库失败!","数据库错误",MB_OK);
		return;
	}
	m_recordset.Edit();
	m_recordset.m_ID=m_strCode;
	m_recordset.m_time=m_strName;

	m_recordset.Update();
	m_recordset.Close();
	m_ctrList.DeleteItem(i);
	m_ctrList.InsertItem(i,m_strCode);
    m_ctrList.SetItemText(i,1,m_strName);


}