coursedlg.cpp

c++学生成绩管理系统,功能比较完善的中级管理系统

// CourseDlg.cpp : implementation file
//

#include "stdafx.h"
#include "学生成绩管理系统.h"
#include "CourseDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CCourseDlg dialog


CCourseDlg::CCourseDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCourseDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCourseDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CCourseDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCourseDlg)
	DDX_Control(pDX, IDC_COURSELIST, m_listcourse);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CCourseDlg, CDialog)
	//{{AFX_MSG_MAP(CCourseDlg)
	ON_BN_CLICKED(IDC_BUTTONDELETE, OnButtondelete)
	ON_BN_CLICKED(IDC_BUTTONEDIT, OnButtonedit)
	ON_BN_CLICKED(IDC_BUTTONADD, OnButtonadd)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCourseDlg message handlers

BOOL CCourseDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	LONG lStyle = m_listcourse.SendMessage(LVM_GETEXTENDEDLISTVIEWSTYLE);
	lStyle |= LVS_EX_FULLROWSELECT | LVS_EX_GRIDLINES | LVS_EX_HEADERDRAGDROP;
	m_listcourse.SendMessage(LVM_SETEXTENDEDLISTVIEWSTYLE, 0,(LPARAM)lStyle);

	int left=0;
	CString feild[4]={"课程号","课程名","学分","学期"};
	for(int i=0;i<4;i++)
	{
		m_listcourse.InsertColumn(i+1,feild[i],left,100,i);
		left=200*(i+1);
	}
	//
	CString xuefen;
	int j=0;
	m_courseset.Open();
	m_courseset.MoveFirst();
	do
	{
		m_listcourse.InsertItem(j,m_courseset.m_column1,0);
		m_listcourse.SetItemText(j,1,m_courseset.m_column2);
		xuefen.Format("%d",m_courseset.m_column3);
		m_listcourse.SetItemText(j,2,xuefen);
		m_listcourse.SetItemText(j,3,m_courseset.m_column4);
		j++;
		m_courseset.MoveNext();
	}while(!m_courseset.IsEOF());
	m_courseset.Close();
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CCourseDlg::OnButtondelete() 
{
	TCHAR currentcourseno[20];
	if(m_listcourse.GetSelectionMark()>=0)
	{
		//获取当前信息
		m_listcourse.GetItemText(m_listcourse.GetSelectionMark(),0,currentcourseno,20);
		//删除
		if(!m_courseset.IsOpen())
			m_courseset.Open();
		if(!m_courseset.IsBOF())
			m_courseset.MoveFirst();
		do
		{
			if(m_courseset.m_column1==currentcourseno)
			{
				if(!m_gradeset.IsOpen())
					m_gradeset.Open();
				if(!m_gradeset.IsBOF())
					m_gradeset.MoveFirst();
				do
				{
					if(m_gradeset.m_column2==m_courseset.m_column1)
						m_gradeset.Delete();
					if(!m_gradeset.IsEOF())
						m_gradeset.MoveNext();
				}while(!m_gradeset.IsEOF());
				if(m_gradeset.IsOpen())
					m_gradeset.Close();
				m_courseset.Delete();
			}
			if(!m_courseset.IsEOF())
				m_courseset.MoveNext();
		}while(!m_courseset.IsEOF());
		if(m_courseset.IsOpen())
			m_courseset.Close();
		m_listcourse.DeleteItem(m_listcourse.GetSelectionMark());
	}
	else
		MessageBox("请选择一条记录");
	
}

void CCourseDlg::OnButtonedit() 
{
	// TODO: Add your control notification handler code here
	TCHAR currentcourseno[20],currentcoursename[20],currentxuefen[2],currentxueqi[20];
	if(m_listcourse.GetSelectionMark()>=0)
	{
		m_listcourse.GetItemText(m_listcourse.GetSelectionMark(),0,currentcourseno,20);
		m_listcourse.GetItemText(m_listcourse.GetSelectionMark(),1,currentcoursename,20);
		m_listcourse.GetItemText(m_listcourse.GetSelectionMark(),2,currentxuefen,2);
		m_listcourse.GetItemText(m_listcourse.GetSelectionMark(),3,currentxueqi,20);
		courseeditdlg.m_strcourseno=currentcourseno;
		courseeditdlg.m_coursename=currentcoursename;
		courseeditdlg.m_xuefen=currentxuefen;
		courseeditdlg.m_xueqi=currentxueqi;
		if(courseeditdlg.DoModal()==IDOK)
		{
			m_listcourse.DeleteAllItems();
			CString xuefen;
			int j=0;
			if(!m_courseset.IsOpen())
				m_courseset.Open();
			if(!m_courseset.IsBOF())
				m_courseset.MoveFirst();
			do
			{
				m_listcourse.InsertItem(j,m_courseset.m_column1,0);
				m_listcourse.SetItemText(j,1,m_courseset.m_column2);
				xuefen.Format("%d",m_courseset.m_column3);
				m_listcourse.SetItemText(j,2,xuefen);
				m_listcourse.SetItemText(j,3,m_courseset.m_column4);
				j++;
				m_courseset.MoveNext();
			}while(!m_courseset.IsEOF());
			if(m_courseset.IsOpen())
				m_courseset.Close();
		}
		
	}
	else
		MessageBox("请选择一条记录");
}

void CCourseDlg::OnButtonadd() 
{
	// TODO: Add your control notification handler code here
	if(courseadddlg.DoModal()==IDOK)
	{
		m_listcourse.DeleteAllItems();
		CString xuefen;
		int j=0;
		if(!m_courseset.IsOpen())
			m_courseset.Open();
		if(!m_courseset.IsBOF())
			m_courseset.MoveFirst();
		do
		{
			m_listcourse.InsertItem(j,m_courseset.m_column1,0);
			m_listcourse.SetItemText(j,1,m_courseset.m_column2);
			xuefen.Format("%d",m_courseset.m_column3);
			m_listcourse.SetItemText(j,2,xuefen);
			m_listcourse.SetItemText(j,3,m_courseset.m_column4);
			j++;
			m_courseset.MoveNext();
		}while(!m_courseset.IsEOF());
		if(m_courseset.IsOpen())
			m_courseset.Close();
	}

}