dlglose.cpp

《精通VC++串口通信技术与工程实践》第三版的配套源码。

// DlgLose.cpp : implementation file
//

#include "stdafx.h"
#include "ShoolCard.h"
#include "DlgLose.h"

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

/////////////////////////////////////////////////////////////////////////////
// CDlgLose dialog


CDlgLose::CDlgLose(CWnd* pParent /*=NULL*/)
	: CDialog(CDlgLose::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDlgLose)
	m_strStudentId = _T("");
	m_bByCard = -1;
	m_bByStudent = -1;
	//}}AFX_DATA_INIT
}


void CDlgLose::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDlgLose)
	DDX_Control(pDX, IDC_BUTTON_UNLOSE, m_btnUnlose);
	DDX_Control(pDX, IDC_BUTTON_LOSE, m_btnLose);
	DDX_Control(pDX, IDC_LIST1, m_ListControl);
	DDX_Control(pDX, IDC_MSCOMM1, m_ComPort);
	DDX_Text(pDX, IDC_EDIT_STUDENT_ID, m_strStudentId);
	DDX_Radio(pDX, IDC_RADIO_BY_CARD, m_bByCard);
	DDX_Radio(pDX, IDC_RADIO_BY_STUDENT, m_bByStudent);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CDlgLose, CDialog)
	//{{AFX_MSG_MAP(CDlgLose)
	ON_BN_CLICKED(IDC_RADIO_BY_CARD, OnRadioByCard)
	ON_BN_CLICKED(IDC_RADIO_BY_STUDENT, OnRadioByStudent)
	ON_WM_KEYUP()
	ON_BN_CLICKED(IDC_BUTTON_LOSE, OnButtonLose)
	ON_BN_CLICKED(IDC_BUTTON_UNLOSE, OnButtonUnlose)
	ON_BN_CLICKED(IDC_BUTTON_QUERY, OnButtonQuery)
	ON_NOTIFY(NM_CLICK, IDC_LIST1, OnClickList1)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDlgLose message handlers

BOOL CDlgLose::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	InitListView();
	//初始化为按员工号查询
	m_bByStudent = true;
	UpdateData(VAR2CON);//更新控件
	ConfigButtons();
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CDlgLose::InitListView()
{
    m_ListControl.InsertColumn(0,"卡号");
	m_ListControl.InsertColumn(1,"学号");
	m_ListControl.InsertColumn(2,"发卡日");
	m_ListControl.InsertColumn(3,"金额");
	m_ListControl.InsertColumn(4,"状态");

	m_ListControl.SetColumnWidth(0,90);
	m_ListControl.SetColumnWidth(1,150);
	m_ListControl.SetColumnWidth(2,100);
	m_ListControl.SetColumnWidth(3,120);
	m_ListControl.SetColumnWidth(4,50);

}

void CDlgLose::FillListView(CCard& card)
{

    ASSERT(card.IsOpen());
	//删除老的显示数据
	m_ListControl.DeleteAllItems();
	//没有数据需要显示
	if(card.GetRecordCount() <= 0) return ;

	int nRow = 0;
	card.MoveFirst();
	while(!card.IsEOF())
	{
		m_ListControl.InsertItem(nRow,"");
		m_ListControl.SetItemText(nRow,0,card.m_card_id);
		m_ListControl.SetItemText(nRow,1,card.m_user_id);
		m_ListControl.SetItemText(nRow,2,card.m_create_date.Format("%B %d, %Y"));
		CString str;
		str.Format("%f",card.m_money);
		m_ListControl.SetItemText(nRow,3,str);
		if(card.m_state == "0")
		    m_ListControl.SetItemText(nRow,4,"正常");
		else if(card.m_state == "1")
		    m_ListControl.SetItemText(nRow,4,"挂失");
		else
			m_ListControl.SetItemText(nRow,4,"未知");
		nRow++;
		card.MoveNext();
	}

}

void CDlgLose::OnRadioByCard() 
{
	// TODO: Add your control notification handler code here
	UpdateData(CON2VAR);
	if(m_bByCard)
	{
	     CWnd *pWnd = GetDlgItem(IDC_STATIC1);
		 pWnd->SetWindowText("按卡号");
		 pWnd = GetDlgItem(IDC_RADIO_BY_CARD);
		 pWnd->SetFocus();
	}
}

void CDlgLose::OnRadioByStudent() 
{
	// TODO: Add your control notification handler code here
	UpdateData(CON2VAR);
	if(m_bByStudent)
	{
	     CWnd *pWnd = GetDlgItem(IDC_STATIC1);
		 pWnd->SetWindowText("按学号");
		 pWnd = GetDlgItem(IDC_RADIO_BY_STUDENT);
		 pWnd->SetFocus();
	}
}

void CDlgLose::OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	// TODO: Add your message handler code here and/or call default
	
	CDialog::OnKeyUp(nChar, nRepCnt, nFlags);
}

short int CDlgLose::FindCard()
{
	UpdateData(CON2VAR);
    CString str;
	if(m_bByStudent == 0)
	    str = "user_id = '" + m_strStudentId + "'";
	else if(m_bByCard == 0)
		str = "card_id = '" + m_strStudentId + "'";
	else
		return -2;
	m_Card.m_strFilter = str;
	if(m_Card.IsOpen()) m_Card.Close();
	if(!m_Card.Open()) return -1;
	//if(!m_Card.IsOpen()) m_Card.Open();
	this->FillListView(m_Card);
	//更新用户界面
	ConfigButtons();
	return 1;
}

void CDlgLose::ConfigButtons()
{
    int nIndex = m_ListControl.GetNextItem(-1, LVNI_SELECTED); 
	if(nIndex == -1)
	{
	    m_btnLose.EnableWindow(false);
		m_btnUnlose.EnableWindow(false);
	}
	else
	{
        CString str;
		str = m_ListControl.GetItemText(nIndex,4);
		if(str == "正常")
		{
		    m_btnLose.EnableWindow(true);
		    m_btnUnlose.EnableWindow(false);
		}
		else if(str == "挂失")
		{
			m_btnLose.EnableWindow(false);
		    m_btnUnlose.EnableWindow(true);
		}
		else
		{
		    m_btnLose.EnableWindow(true);
		    m_btnUnlose.EnableWindow(true);
		}
	}
}

void CDlgLose::OnButtonLose() 
{
	// TODO: Add your control notification handler code here
	if(!m_Card.IsOpen()||m_Card.GetRecordCount() <= 0) return;
	int nIndex = m_ListControl.GetNextItem(-1, LVNI_SELECTED); 
	if(nIndex < 0) return;
	CString strMsg;
	strMsg = m_ListControl.GetItemText(nIndex,0);
	int nRet = MessageBox("要将卡号为" + strMsg + "的卡挂失吗？",
		"挂失确认",MB_ICONQUESTION|MB_OKCANCEL);
	//用户确认
	if (nRet!=1) return;
	
	m_Card.MoveFirst();
	m_Card.Move(nIndex);
	m_Card.Edit();
	m_Card.m_state = "1";
	m_Card.Update();
	this->FillListView(m_Card);
	MessageBox("卡号" + strMsg + "的卡挂失成功！");
}

void CDlgLose::OnButtonUnlose() 
{
	// TODO: Add your control notification handler code here
	if(!m_Card.IsOpen()||m_Card.GetRecordCount() <= 0) return;
	int nIndex = m_ListControl.GetNextItem(-1, LVNI_SELECTED); 
	if(nIndex < 0) return;
	CString strMsg;
	strMsg = m_ListControl.GetItemText(nIndex,0);
	int nRet = MessageBox("要将卡号为" + strMsg + "的卡解挂吗？",
		"解挂确认",MB_ICONQUESTION|MB_OKCANCEL);
	//用户确认要将卡解挂
	if (nRet!=1) return;
	
	m_Card.MoveFirst();
	m_Card.Move(nIndex);
	m_Card.Edit();
	m_Card.m_state = "0";
	m_Card.Update();
	this->FillListView(m_Card);
	MessageBox("卡号" + strMsg + "的卡解挂成功！");
}

void CDlgLose::OnButtonQuery() 
{
    FindCard();    	
}

void CDlgLose::OnClickList1(NMHDR* pNMHDR, LRESULT* pResult) 
{
	// TODO: Add your control notification handler code here
	//更新用户界面
	ConfigButtons();
	*pResult = 0;
}