sendstudentview.cpp

C++源码工程文件 使用串口发送数据库中的数据

// SendStudentView.cpp : implementation of the CSendStudentView class
//

#include "stdafx.h"
#include "SendStudent.h"

#include "SendStudentSet.h"
#include "SendStudentDoc.h"
#include "SendStudentView.h"
#include "KrrCom.h"

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

/////////////////////////////////////////////////////////////////////////////
// CSendStudentView

IMPLEMENT_DYNCREATE(CSendStudentView, CRecordView)

BEGIN_MESSAGE_MAP(CSendStudentView, CRecordView)
	//{{AFX_MSG_MAP(CSendStudentView)
	ON_BN_CLICKED(IDC_BT_SEND_TO_COM1, OnBtSendToCom1)
	ON_WM_DESTROY()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSendStudentView construction/destruction

CSendStudentView::CSendStudentView()
	: CRecordView(CSendStudentView::IDD)
{
	//{{AFX_DATA_INIT(CSendStudentView)
	m_pSet = NULL;
	m_nID = 0;
	m_strName = _T("");
	m_strPhone = _T("");
	//}}AFX_DATA_INIT
	// TODO: add construction code here

}

CSendStudentView::~CSendStudentView()
{
}

void CSendStudentView::DoDataExchange(CDataExchange* pDX)
{
	CRecordView::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSendStudentView)
	DDX_Text(pDX, IDC_EDIT_ID, m_nID);
	DDV_MinMaxLong(pDX, m_nID, 0, 65535);
	DDX_Text(pDX, IDC_EDIT_NAME, m_strName);
	DDV_MaxChars(pDX, m_strName, 19);
	DDX_Text(pDX, IDC_EDIT_PHONE, m_strPhone);
	DDV_MaxChars(pDX, m_strPhone, 19);
	//}}AFX_DATA_MAP
}

BOOL CSendStudentView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CRecordView::PreCreateWindow(cs);
}

void CSendStudentView::OnInitialUpdate()
{
	m_pSet = &GetDocument()->m_sendStudentSet;
	CRecordView::OnInitialUpdate();
	GetParentFrame()->RecalcLayout();
	ResizeParentToFit();
	m_com.Open ("COM1:");
	m_pSet->MoveFirst();
	m_nID=m_pSet->m_StudentID;
	m_strName=m_pSet->m_StudentName;
	m_strPhone=m_pSet->m_Telephone;
	UpdateData(FALSE);
}

/////////////////////////////////////////////////////////////////////////////
// CSendStudentView diagnostics

#ifdef _DEBUG
void CSendStudentView::AssertValid() const
{
	CRecordView::AssertValid();
}

void CSendStudentView::Dump(CDumpContext& dc) const
{
	CRecordView::Dump(dc);
}

CSendStudentDoc* CSendStudentView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CSendStudentDoc)));
	return (CSendStudentDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CSendStudentView database support
CRecordset* CSendStudentView::OnGetRecordset()
{
	return m_pSet;
}


/////////////////////////////////////////////////////////////////////////////
// CSendStudentView message handlers

BOOL CSendStudentView::OnMove(UINT nIDMoveCommand) 
{
	// TODO: Add your specialized code here and/or call the base class
	if (CRecordView::OnMove(nIDMoveCommand)){
		m_nID = m_pSet->m_StudentID;
		m_strName = m_pSet->m_StudentName;
		m_strPhone = m_pSet->m_Telephone;
		UpdateData (FALSE);
		return TRUE;
	}
	else{
		return FALSE;
	}

	return FALSE;
}

void CSendStudentView::OnBtSendToCom1() 
{
	m_com.Write ((BYTE*)&m_nID,sizeof(m_nID));

	BYTE buf[20] = {0};

	strcpy ((char*)buf, m_strName.GetBuffer(m_strName.GetLength()));
	m_com.Write (buf,sizeof(buf));

	strcpy ((char*)buf, m_strPhone.GetBuffer(m_strPhone.GetLength()));
	m_com.Write (buf,sizeof(buf));
}

void CSendStudentView::OnDestroy() 
{
	CRecordView::OnDestroy();
	m_com.Close();
}