addb.cpp

实现一个图书馆管理系统

// Addb.cpp : implementation file
//

#include "stdafx.h"
#include "library.h"
#include "Addb.h"
#include "BookSet.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAddb dialog
extern CDatabase db;

CAddb::CAddb(CWnd* pParent /*=NULL*/)
	: CDialog(CAddb::IDD, pParent)
{
	//{{AFX_DATA_INIT(CAddb)
	m_author = _T("");
	m_name = _T("");
	m_no = _T("");
	m_publish = _T("");
	m_day = _T("");
	m_month = _T("");
	m_year = _T("");
	//}}AFX_DATA_INIT
}


void CAddb::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAddb)
	DDX_Text(pDX, IDC_EDIT_BAUTHER, m_author);
	DDV_MaxChars(pDX, m_author, 40);
	DDX_Text(pDX, IDC_EDIT_BNAME, m_name);
	DDV_MaxChars(pDX, m_name, 40);
	DDX_Text(pDX, IDC_EDIT_BNO, m_no);
	DDV_MaxChars(pDX, m_no, 10);
	DDX_Text(pDX, IDC_EDIT_BPUBLISE, m_publish);
	DDV_MaxChars(pDX, m_publish, 40);
	DDX_Text(pDX, IDC_EDIT_BD, m_day);
	DDV_MaxChars(pDX, m_day, 2);
	DDX_Text(pDX, IDC_EDIT_BM, m_month);
	DDV_MaxChars(pDX, m_month, 2);
	DDX_Text(pDX, IDC_EDIT_BY, m_year);
	DDV_MaxChars(pDX, m_year, 4);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CAddb, CDialog)
	//{{AFX_MSG_MAP(CAddb)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CAddb message handlers

void CAddb::OnOK() 
{
	// TODO: Add extra validation here
	UpdateData();
	CBookSet *book=new CBookSet(&db);
	book->Open();
	if(book->CanAppend())
	{
		if(m_author.IsEmpty() || m_no.IsEmpty() ||m_name.IsEmpty()||m_publish.IsEmpty()||m_year.IsEmpty()||m_month.IsEmpty()||m_day.IsEmpty())
		{
			MessageBox("以上各项不能为空！");
			return;
		}
		book->AddNew();
		book->m_Author=m_author;
		book->m_BookNo=m_no;
		book->m_Name=m_name;
		book->m_PublishingHouse=m_publish;
		CString date;
		if(m_month.GetLength()==1)
			m_month="0"+m_month;
		if(m_day.GetLength()==1)
			m_day="0"+m_day;
		if(m_year.GetLength()<4)
		{
			MessageBox("出版年月填写错误!");
			return;
		}
		date=m_year+"/"+m_month+"/"+m_day;
		book->m_PublishingDate=date;
		book->m_State="在馆";
		book->Update();
		pview->RefreshBookList();
		MessageBox("添加成功！");
	}
	else
	{
		MessageBox("添加失败！");
		return;
	}
	book->Close();
	CDialog::OnOK();
}