bookguashidlg.cpp

来自「实现基本的图书馆管理系统」· C++ 代码 · 共 89 行

// BookGuashiDlg.cpp : implementation file
//

#include "stdafx.h"
#include "图书馆管理系统.h"
#include "BookGuashiDlg.h"
#include "BookBorrowEdit.h"

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

/////////////////////////////////////////////////////////////////////////////
// CBookGuashiDlg dialog


CBookGuashiDlg::CBookGuashiDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CBookGuashiDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CBookGuashiDlg)
	m_BookID = _T("");
	m_BorrowID = _T("");
	//}}AFX_DATA_INIT
}


void CBookGuashiDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CBookGuashiDlg)
	DDX_Text(pDX, IDC_BOOKID_EDIT, m_BookID);
	DDX_Text(pDX, IDC_BORROWID_EDIT, m_BorrowID);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CBookGuashiDlg, CDialog)
	//{{AFX_MSG_MAP(CBookGuashiDlg)
	ON_BN_CLICKED(IDC_BOOKGUASHI, OnBookguashi)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBookGuashiDlg message handlers

void CBookGuashiDlg::OnBookguashi() 
{
	// TODO: Add your control notification handler code here

	UpdateData(TRUE);
	CBookBorrowEdit bookborrowedit;

	if(m_BorrowID=="")
	{
		MessageBox("请输入借阅证号！");
		return;
	}
	if(m_BookID=="")
	{
		MessageBox("请输入图书编号！");
		return;
	}
	
	bookborrowedit.SetBorrowID(m_BorrowID);
	bookborrowedit.SetBookID(m_BookID);

	if (bookborrowedit.HaveBorrowID(m_BorrowID) == 1)
	{
		if(bookborrowedit.HaveBookID(m_BookID) == 1)
		{
			bookborrowedit.sql_delete();
			MessageBox("挂失成功！");
		}
		else
		{
			MessageBox("不存在该图书编号，请重新输入！");
			
		}
	}
	else
	{
		MessageBox("不存在该借阅号，请重新输入！");
		return;
	}
	
}