bfiledlg.cpp

图书管理系统,相对全面,ODBC学习的好材料,仅攻学习,谢绝抄袭

// BfileDlg.cpp : implementation file
//

#include "stdafx.h"
#include "MyLib.h"
#include "BfileDlg.h"
#include "EditDlg.h"
#include "DeleteDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CBfileDlg dialog


CBfileDlg::CBfileDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CBfileDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CBfileDlg)
	m_AUTHOR = _T("");
	m_FID = _T("");
	m_ID = _T("");
	m_IO = FALSE;
	m_FNAME = _T("");
	m_NAME = _T("");
	m_OPER = _T("");
	m_PRICE = 0.0f;
	m_PUB = _T("");
	m_TYPEID = _T("");
	m_DATE = 0;
	//}}AFX_DATA_INIT
}


void CBfileDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CBfileDlg)
	DDX_Text(pDX, IDC_AUTHOR, m_AUTHOR);
	DDV_MaxChars(pDX, m_AUTHOR, 50);
	DDX_Text(pDX, IDC_FID, m_FID);
	DDV_MaxChars(pDX, m_FID, 20);
	DDX_Text(pDX, IDC_ID, m_ID);
	DDV_MaxChars(pDX, m_ID, 20);
	DDX_Check(pDX, IDC_IO, m_IO);
	DDX_Text(pDX, IDC_FNAME, m_FNAME);
	DDV_MaxChars(pDX, m_FNAME, 50);
	DDX_Text(pDX, IDC_NAME, m_NAME);
	DDV_MaxChars(pDX, m_NAME, 50);
	DDX_Text(pDX, IDC_OPER, m_OPER);
	DDV_MaxChars(pDX, m_OPER, 20);
	DDX_Text(pDX, IDC_PRICE, m_PRICE);
	DDV_MinMaxFloat(pDX, m_PRICE, 0.f, 1000.f);
	DDX_Text(pDX, IDC_PUB, m_PUB);
	DDV_MaxChars(pDX, m_PUB, 50);
	DDX_Text(pDX, IDC_TYPEID, m_TYPEID);
	DDV_MaxChars(pDX, m_TYPEID, 20);
	DDX_Control(pDX, IDC_LIST1, m_List);
	DDX_DateTimeCtrl(pDX, IDC_DATE, m_DATE);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CBfileDlg, CDialog)
	//{{AFX_MSG_MAP(CBfileDlg)
	ON_BN_CLICKED(IDC_EXIT, OnExit)
	ON_BN_CLICKED(IDC_FIND, OnFind)
	ON_NOTIFY(NM_CLICK, IDC_LIST1, OnClickList)
	ON_BN_CLICKED(IDC_ADD, OnAdd)
	ON_BN_CLICKED(IDC_EDIT, OnEdit)
	ON_BN_CLICKED(IDC_DELETE, OnDelete)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

BOOL CBfileDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	m_List.InsertColumn(0,"图书ID");
	m_List.InsertColumn(1,"图书名称");
	m_List.InsertColumn(2,"作者");
	m_List.InsertColumn(3,"类型ID");
	RECT rect;
	m_List.GetWindowRect(&rect);
	int wid=rect.right-rect.left;
	m_List.SetColumnWidth(0,wid/4);
	m_List.SetColumnWidth(1,wid/4);
	m_List.SetColumnWidth(2,wid/4);
	m_List.SetColumnWidth(3,wid/4);
	m_List.SetExtendedStyle(LVS_EX_FULLROWSELECT);
	return TRUE;
}
/////////////////////////////////////////////////////////////////////////////
// CBfileDlg message handlers
bool CBfileDlg::DisplayRecord()
{
	UpdateData(true);
	int i=0;
	
	while(!bfileset.IsEOF())
	{
		m_ID = bfileset.m_BOOKID;
		m_NAME = bfileset.m_BOOKNAME;
		m_AUTHOR = bfileset.m_AUTHOR;
		m_TYPEID = bfileset.m_TYPEID;
		m_List.InsertItem(i,m_ID);
		m_List.SetItemText(i,1,m_NAME);
		m_List.SetItemText(i,2,m_AUTHOR);
		m_List.SetItemText(i,3,m_TYPEID);
		bfileset.MoveNext();
		i++;
	}
	UpdateData(false);
	return true;
}

void CBfileDlg::OnExit() 
{
	if (bfileset.IsOpen())
	{
		bfileset.Close();
	}
	CDialog::OnCancel();
	
}

void CBfileDlg::OnFind() 
{
	m_List.DeleteAllItems();
	UpdateData(true);
	CString sqlstr = "SELECT * FROM BOOKINFM WHERE BOOKID='";
	sqlstr += m_FID;
	sqlstr += "' OR BOOKNAME='";
	sqlstr += m_FNAME;
	sqlstr += "'";
	if(bfileset.IsOpen())
	{
		bfileset.Close();
	}
	if(!bfileset.Open(AFX_DB_USE_DEFAULT_TYPE,sqlstr))
	{
		MessageBox("图书表打开失败!");
		return;	
	}
	
	if(!bfileset.IsEOF())
	{
		
		DisplayRecord();
		bfileset.Close();
	}
	else
	{
		MessageBox("该书不存在!");
		bfileset.Close();
	}
	
}

void CBfileDlg::OnClickList(NMHDR* pNMHDR, LRESULT* pResult) 
{
	char ID[20];
	POSITION pos = m_List.GetFirstSelectedItemPosition();
	if (pos != NULL)
	{
		int n = m_List.GetNextSelectedItem(pos);  
		m_List.GetItemText(n,0,ID,20);
		if (bfileset.IsOpen())
		{
			bfileset.Close();
		}
		CString sqlstr = "SELECT * FROM BOOKINFM WHERE BOOKID='";
		sqlstr += ID;
		sqlstr += "'";
		if (!bfileset.Open(AFX_DB_USE_DEFAULT_TYPE,sqlstr))
		{
			MessageBox("图书表打开失败!");
			return;
		}
		m_TYPEID = bfileset.m_TYPEID;
		m_AUTHOR = bfileset.m_AUTHOR;
		m_PUB = bfileset.m_PUB;
		m_ID = bfileset.m_BOOKID;
		m_PRICE = bfileset.m_PRICE;
		m_NAME = bfileset.m_BOOKNAME;
		m_OPER = bfileset.m_OPER;
		m_DATE = bfileset.m_INTIME;
		m_IO = bfileset.m_IO;
		bfileset.Close();
		UpdateData(FALSE);
	}
	
	*pResult = 0;
}

void CBfileDlg::OnAdd() 
{
	UpdateData(TRUE);
	if(m_ID.IsEmpty())
	{
		MessageBox("图书ID不能为空!");
		return;
	}
	if(bfileset.IsOpen())
	{
		bfileset.Close();
	}
	CString sqlstr = "SELECT * FROM BOOKINFM WHERE BOOKID='";
	sqlstr += m_ID;
	sqlstr += "'";
	if(bfileset.IsOpen())
	{
		bfileset.Close();
	}
	if(!bfileset.Open(AFX_DB_USE_DEFAULT_TYPE,sqlstr))
	{
		MessageBox("图书表打开失败!");
		return;	
	}
	if(!bfileset.IsEOF())
	{
		MessageBox("该ID已存在!");
		bfileset.Close();
		return;
	}
	bfileset.AddNew();
	bfileset.m_TYPEID = m_TYPEID;
	bfileset.m_AUTHOR = m_AUTHOR;
	bfileset.m_PUB = m_PUB;
	bfileset.m_BOOKID = m_ID;
	bfileset.m_PRICE = m_PRICE;
	bfileset.m_BOOKNAME = m_NAME;
	bfileset.m_OPER = m_OPER;
	bfileset.m_INTIME = m_DATE;
	bfileset.m_IO = m_IO;
	bfileset.Update();
	bfileset.Requery();
	MessageBox("添加成功!");
	bfileset.Close();
	
}

void CBfileDlg::OnEdit() 
{
	UpdateData(TRUE);
	if(m_ID.IsEmpty())
	{
		MessageBox("图书ID不能为空!");
		return;
	}
	CString sqlstr = "SELECT * FROM BOOKINFM WHERE BOOKID='";
	sqlstr += m_ID;
	sqlstr += "'";
	if(bfileset.IsOpen())
	{
		bfileset.Close();
	}
	if(!bfileset.Open(AFX_DB_USE_DEFAULT_TYPE,sqlstr))
	{
		MessageBox("图书表打开失败!");
		return;	
	}
	if(bfileset.IsEOF())
	{
		MessageBox("该ID不存在!");
		bfileset.Close();
		return;
	}
	CEditDlg dlg;
	if(dlg.DoModal()==IDOK)
	{
		bfileset.Edit();
		bfileset.m_TYPEID = m_TYPEID;
		bfileset.m_AUTHOR = m_AUTHOR;
		bfileset.m_PUB = m_PUB;
		bfileset.m_BOOKID = m_ID;
		bfileset.m_PRICE = m_PRICE;
		bfileset.m_BOOKNAME = m_NAME;
		bfileset.m_OPER = m_OPER;
		bfileset.m_INTIME = m_DATE;
		bfileset.m_IO = m_IO;
		if(bfileset.Update())
		{
			bfileset.Requery();
			MessageBox("修改成功!");
		}
		bfileset.Close();
	}
	else bfileset.Close();
	
}

void CBfileDlg::OnDelete() 
{
	UpdateData(TRUE);
	if(m_ID.IsEmpty())
	{
		MessageBox("图书ID不能为空!");
		return;
	}
	CString sqlstr = "SELECT * FROM BOOKINFM WHERE BOOKID='";
	sqlstr += m_ID;
	sqlstr += "'";
	if(bfileset.IsOpen())
	{
		bfileset.Close();
	}
	if(!bfileset.Open(AFX_DB_USE_DEFAULT_TYPE,sqlstr))
	{
		MessageBox("图书表打开失败!");
		return;	
	}
	if(bfileset.IsEOF())
	{
		MessageBox("该ID不存在!");
		bfileset.Close();
		return;
	}
	CDeleteDlg dlg;
	if(dlg.DoModal()==IDOK)
	{
		bfileset.Delete();
		bfileset.Requery();
		MessageBox("删除成功!");
		bfileset.Close();
	}
	else bfileset.Close();	
	
}