modifyr.cpp

实现一个图书馆管理系统

// Modifyr.cpp : implementation file
//

#include "stdafx.h"
#include "library.h"
#include "Modifyr.h"
#include "UserSet.h"

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

/////////////////////////////////////////////////////////////////////////////
// CModifyr dialog
extern CDatabase db;

CModifyr::CModifyr(CWnd* pParent /*=NULL*/)
	: CDialog(CModifyr::IDD, pParent)
{
	//{{AFX_DATA_INIT(CModifyr)
	m_class = _T("");
	m_name = _T("");
	m_psw = _T("");
	m_rid = _T("");
	m_sex = -1;
	//}}AFX_DATA_INIT
}


void CModifyr::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CModifyr)
	DDX_Text(pDX, IDC_EDIT_RMCLASS, m_class);
	DDV_MaxChars(pDX, m_class, 10);
	DDX_Text(pDX, IDC_EDIT_RMNAME, m_name);
	DDV_MaxChars(pDX, m_name, 10);
	DDX_Text(pDX, IDC_EDIT_RMPSW, m_psw);
	DDV_MaxChars(pDX, m_psw, 10);
	DDX_Text(pDX, IDC_EDIT_RMRID, m_rid);
	DDV_MaxChars(pDX, m_rid, 10);
	DDX_Radio(pDX, IDC_RADIO_RSEXM, m_sex);
	//}}AFX_DATA_MAP
}


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

/////////////////////////////////////////////////////////////////////////////
// CModifyr message handlers

void CModifyr::OnOK() 
{
	// TODO: Add extra validation here
	UpdateData();
	if(m_class.IsEmpty() ||m_name.IsEmpty() ||m_psw.IsEmpty()||m_rid.IsEmpty()||(m_sex==-1))
	{
		MessageBox("各项记录不能为空!");
		return;
	}
	CUserSet *user=new CUserSet(&db);
	user->Open();
	user->MoveFirst();
	user->m_UserID.TrimRight();
	if(temp!=user->m_UserID)
	{
		user->MoveNext();
		user->m_UserID.TrimRight();
		while(!user->IsEOF() && temp!=user->m_UserID)
		{
			user->MoveNext();
			user->m_UserID.TrimRight();
		}		
	}
	user->Edit();
	user->m_Class=m_class;
	user->m_Name=m_name;
	user->m_Password=m_psw;
	user->m_Sex=m_sex;
	user->m_UserID=m_rid;
	user->Update();
	user->Close();
	pview->RefreshReaderList();
	MessageBox("修改成功!");
	CDialog::OnOK();
}

BOOL CModifyr::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	int row=pview->m_readermanage.GetSelectionMark();
	CString num;
	num=pview->m_readermanage.GetItemText(row,0);
	CUserSet *user=new CUserSet(&db);
	user->Open();
	user->MoveFirst();
	user->m_UserID.TrimRight();
	if(num!=user->m_UserID)
	{
		user->MoveNext();
		user->m_UserID.TrimRight();
		while(!user->IsEOF() && num!=user->m_UserID)
		{
			user->MoveNext();
			user->m_UserID.TrimRight();
		}		
	}
	temp=user->m_UserID;
	m_class=user->m_Class;
	m_name=user->m_Name;
	m_psw=user->m_Password;
	m_rid=user->m_UserID;
	m_sex=user->m_Sex;
	UpdateData(FALSE);
	user->Close();
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}