stu_courseidlg.cpp

这是一个学生管理系统 包含学生基本信息 选课信息 宿舍信息 教师信息 课程信息 班机信息 教师信息等录入 查询 修改删除等强大功能

// Stu_courseIdlg.cpp : implementation file
//

#include "stdafx.h"
#include "Student.h"
#include "Stu_courseIdlg.h"
#include "StucourseSet.h"

#include "myrecord.h"

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

/////////////////////////////////////////////////////////////////////////////
// CStu_courseIdlg dialog


CStu_courseIdlg::CStu_courseIdlg(CWnd* pParent /*=NULL*/)
	: CDialog(CStu_courseIdlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CStu_courseIdlg)
	m_stu_no = _T("");
	m_class_no = _T("");
	m_help = _T("");
	m_inputtime = COleDateTime::GetCurrentTime();
	//}}AFX_DATA_INIT
}


void CStu_courseIdlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CStu_courseIdlg)
	DDX_Text(pDX, IDC_EDIT_NO, m_stu_no);
	DDX_Text(pDX, IDC_EDIT_CLASSNO, m_class_no);
	DDX_Text(pDX, IDC_EDIT_HELP, m_help);
	DDX_Text(pDX, IDC_EDIT_TIME, m_inputtime);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CStu_courseIdlg, CDialog)
	//{{AFX_MSG_MAP(CStu_courseIdlg)
	ON_BN_CLICKED(IDC_BTN_OK, OnBtnOk)
	ON_EN_SETFOCUS(IDC_EDIT_NO, OnSetfocusEditNo)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CStu_courseIdlg message handlers

BOOL CStu_courseIdlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	GenNext();
	UpdateData(FALSE);
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CStu_courseIdlg::OnBtnOk() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	if(m_class_no.IsEmpty())
	{
		MessageBeep(MB_ICONEXCLAMATION);
		this->GetDlgItem(IDC_EDIT_CLASS_NO)->SetFocus();
		return;
	}
	if(!UpdateDB())
		return;
	GenNext();
	UpdateData(FALSE);
	this->GetDlgItem(IDC_EDIT_CLASS_NO)->SetFocus();
}

void CStu_courseIdlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	
	CDialog::OnCancel();
}

void CStu_courseIdlg::OnSetfocusEditNo() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	m_help="请输入班级信息：最小0，最大100";
	UpdateData(FALSE);
}
CString CStu_courseIdlg::GetNextNo()
{
	static int num=0;
	CStuCourseSet rs;
	CString strValue,strSQL;
	BOOL Success;
	
	if(num==0)
	{
		strSQL.Format("select max(substr(stu_no,5)) from Student where substr(stu_no,1,4)=\'%02d%s\'",m_year%100,m_CollegeNo);
		Success=rs.Open(AFX_DB_USE_DEFAULT_TYPE,strSQL);
		if (Success && rs.GetRecordCount()>0)
			rs.GetFieldValue((short)0,strValue);
		else
			strValue="0";
		num=atoi(strValue);
	}
	num++;
	strValue.Format("%02d%s%04d",m_year%100,m_CollegeNo,num);
	return strValue;
}

void CStu_courseIdlg::GenNext()
{
	CStuCourseSet rs;
	CString strValue;
	CString strFileName;
	
	static HBITMAP hBitmap=NULL;
	// TODO: Add extra initialization here
	
	m_stu_no=GetNextNo();

	//m_inputtime = _T("");//?????	
	
}

BOOL CStu_courseIdlg::UpdateDB()
{
	CString strSQL,strValue,strTemp;
	
	strTemp.Format("%d,to_date(\'%4d-%2d-%2d\',\'yyyy-mm-dd\')",m_inputtime);
	strSQL="insert into stu_course(stu_no,class_no,inputtime";
	strValue="\'"+m_stu_no+"\',\'"+m_class_no+"\',\'"+strTemp;
	
	
	strSQL+=") values("+strValue+")";
	//MessageBox(strSQL);
	m_pDB->ExecuteSQL(strSQL);
	return TRUE;
}