klineview.cpp

我做的一个简单的读取*.day股票历史数据的显示成KLine的小例子。

// KLineView.cpp : CKLineView 类的实现
//

#include "stdafx.h"
#include "KLine.h"

#include "KLineDoc.h"
#include "KLineView.h"
#include "MainFrm.h"
#include ".\klineview.h"
#include ".\klinedata.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CKLineView

IMPLEMENT_DYNCREATE(CKLineView, CView)

BEGIN_MESSAGE_MAP(CKLineView, CView)
	// 标准打印命令
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
//	ON_WM_PAINT()
ON_WM_SIZE()
ON_COMMAND(ID_FILE_OPEN, OnFileOpen)
END_MESSAGE_MAP()

// CKLineView 构造/析构

CKLineView::CKLineView()
: m_pKLineObj(NULL)
{
	// TODO: 在此处添加构造代码

}

CKLineView::~CKLineView()
{
	if (m_pKLineObj!=NULL)
	{
		delete m_pKLineObj;
		m_pKLineObj = NULL;
	}
}

BOOL CKLineView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: 在此处通过修改 CREATESTRUCT cs 来修改窗口类或
	// 样式

	return CView::PreCreateWindow(cs);
}

// CKLineView 绘制

void CKLineView::OnDraw(CDC* /*pDC*/)
{
	CKLineDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	if (!pDoc)
		return;

	// TODO: 在此处为本机数据添加绘制代码
}


// CKLineView 打印

BOOL CKLineView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// 默认准备
	return DoPreparePrinting(pInfo);
}

void CKLineView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: 打印前添加额外的初始化
}

void CKLineView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: 打印后添加清除过程
}


// CKLineView 诊断

#ifdef _DEBUG
void CKLineView::AssertValid() const
{
	CView::AssertValid();
}

void CKLineView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CKLineDoc* CKLineView::GetDocument() const // 非调试版本是内联的
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CKLineDoc)));
	return (CKLineDoc*)m_pDocument;
}
#endif //_DEBUG


// CKLineView 消息处理程序

void CKLineView::OnInitialUpdate()
{
	CView::OnInitialUpdate();
}

void CKLineView::OnSize(UINT nType, int cx, int cy)
{
	CView::OnSize(nType, cx, cy);

	RECT viewrect;
	this->GetClientRect(&viewrect);
	if (m_pKLineObj)
	{
		m_pKLineObj->MoveWindow(0,0,viewrect.right,viewrect.bottom);
	}
}

void CKLineView::OnFileOpen()
{
	CMap<int,int,IndividualTransaction,IndividualTransaction&> myMap;
	int i;
	myMap.InitHashTable( 1800 * 300 * 5 );

	// Add 10 elements to the map.
	for (i=0;i<1800 * 300 * 5;i++)
	{
		IndividualTransaction indiviTrans;
		indiviTrans.Time = (CTime(2007,10,10,1,1,1)).GetTime();
		indiviTrans.Price = 10;
		indiviTrans.Volume = 10;
		indiviTrans.Amount = 10;
		indiviTrans.SP1 = 10;
		indiviTrans.SP2 = 10;
		indiviTrans.SP3 = 10;
		indiviTrans.SV1 = 10;
		indiviTrans.SV2 = 10;
		indiviTrans.SV3 = 10;
		indiviTrans.BP1 = 10;
		indiviTrans.BP2 = 10;
		indiviTrans.BP3 = 10;
		indiviTrans.BV1 = 10;
		indiviTrans.BV2 = 10;
		indiviTrans.BV3 = 10;
		indiviTrans.IsBuy = false;
		myMap[i] =indiviTrans;
	}



	CFileDialog dlg(true,"day",".day",OFN_FILEMUSTEXIST|OFN_HIDEREADONLY,"日Ｋ数据(*.day)|*.day|所有文件(*.*)|*.*||");
	if (dlg.DoModal()==IDOK)
	{
		CString filename = dlg.GetPathName();
		CFile file;
		CFileException e;
		BYTE timebuff[0x20];

		if (file.Open(filename,CFile::modeRead|CFile::shareDenyNone,&e))
		{
			if (m_pKLineObj!=NULL)
			{
				delete m_pKLineObj;
				m_pKLineObj = NULL;
			}

			RECT viewrect;
			this->GetClientRect(&viewrect);

			m_pKLineObj = new CKLineObject();
			m_pKLineObj->Create(NULL,NULL,NULL,viewrect,this,1,NULL);//CRect(40,20,220,240)
			m_pKLineObj->CreateGraph(GT_2DKLINE);

			int i =1;
			long dwBytesRamaining = (long)file.GetLength();
			while(dwBytesRamaining && i>0)
			{
				UINT nBytesRead = file.Read(timebuff,sizeof(timebuff));
				
				int t= timebuff[0]|timebuff[1]<<8|timebuff[2]<<16|timebuff[3]<<24;
				double start = (double)(timebuff[4]|timebuff[5]<<8|timebuff[6]<<16|timebuff[7]<<24)/100;
				double max = (double)(timebuff[8]|timebuff[9]<<8|timebuff[10]<<16|timebuff[11]<<24)/100;
				double min = (double)(timebuff[12]|timebuff[13]<<8|timebuff[14]<<16|timebuff[15]<<24)/100;
				double end = (double)(timebuff[16]|timebuff[17]<<8|timebuff[18]<<16|timebuff[19]<<24)/100;
				CTime time = CTime(t/10000,t%10000/100,t%100,0,0,0);
				m_pKLineObj->SetC2DKLineGraphValue(time.GetTime(),start,max,min,end);
				dwBytesRamaining -= nBytesRead;
				i--;
			}
		}
		else
		{
			e.ReportError();
		}
	}
}