rcvstudentview.cpp

通过串口接收数据

// RcvStudentView.cpp : implementation of the CRcvStudentView class
//

#include "stdafx.h"
#include "RcvStudent.h"

#include "RcvStudentSet.h"
#include "RcvStudentDoc.h"
#include "RcvStudentView.h"
#include "KrrCom.h"

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

/////////////////////////////////////////////////////////////////////////////
// CRcvStudentView

IMPLEMENT_DYNCREATE(CRcvStudentView, CRecordView)

BEGIN_MESSAGE_MAP(CRcvStudentView, CRecordView)
	//{{AFX_MSG_MAP(CRcvStudentView)
	ON_BN_CLICKED(IDC_BT_RECEIVE_FROM_COM2, OnBtReceiveFromCom2)
	ON_WM_DESTROY()
	ON_BN_CLICKED(IDC_BT_SAVE_TO_DB, OnBtSaveToDb)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CRcvStudentView construction/destruction

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

}

CRcvStudentView::~CRcvStudentView()
{
}

void CRcvStudentView::DoDataExchange(CDataExchange* pDX)
{
	CRecordView::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CRcvStudentView)
	DDX_Text(pDX, IDC_EDIT_ID, m_nID);
	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 CRcvStudentView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CRecordView::PreCreateWindow(cs);
}

void CRcvStudentView::OnInitialUpdate()
{
	m_pSet = &GetDocument()->m_rcvStudentSet;
	CRecordView::OnInitialUpdate();
	GetParentFrame()->RecalcLayout();
	ResizeParentToFit();
	m_com.Open ("COM2:");//打开串口
}

/////////////////////////////////////////////////////////////////////////////
// CRcvStudentView diagnostics

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

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

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

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


/////////////////////////////////////////////////////////////////////////////
// CRcvStudentView message handlers

void CRcvStudentView::OnBtReceiveFromCom2() 
{
	m_com.Read ((BYTE*)&m_nID,sizeof(m_nID));//读取数据

	BYTE buf[20] = {0};

	m_com.Read (buf,sizeof(buf));//读取数据
	m_strName = (char*)buf;

	m_com.Read (buf,sizeof(buf));
	m_strPhone = (char*)buf;
	UpdateData (FALSE);//更新对话框
}

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

void CRcvStudentView::OnBtSaveToDb() 
{
	m_pSet->AddNew();
	m_pSet->m_StudentID = m_nID;
	m_pSet->m_StudentName = m_strName;
	m_pSet->m_Telephone = m_strPhone;
	m_pSet->Update();
}

BOOL CRcvStudentView::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;
	
//	return CRecordView::OnMove(nIDMoveCommand);
}