[mfc]关于串行化(Serialize)的学习

小可爱～

这是界面


这是line的头文件

[C++] 纯文本查看 复制代码

#pragma once
#include "afx.h"
class CLine :
        public CObject
{
public:
        CPoint m_poFrom;
        CPoint m_poTo;
        COLORREF m_clrLine;
public:
        CLine()
        {

        }
        CLine::CLine(CPoint from, CPoint to)
        {
                this->m_poFrom = from;
                this->m_poTo = to;
        }
        CLine::CLine(CPoint from, CPoint to, COLORREF clrLine)
        {
                this->m_poFrom = from;
                this->m_poTo = to;
                this->m_clrLine = clrLine;
        }
        void setCLine(CPoint from, CPoint to)
        {
                this->m_poFrom = from;
                this->m_poTo = to;
        }
        void setCLine(CPoint from, CPoint to, COLORREF clrLine)
        {
                this->m_poFrom = from;
                this->m_poTo = to;
                this->m_clrLine = clrLine;
        }
        CLine::~CLine()
        {
        }
        DECLARE_SERIAL(CLine)
        virtual void Serialize(CArchive& ar);
};

这是line.cpp文件源码

[C++] 纯文本查看 复制代码

#include "stdafx.h"
#include "Line.h"

IMPLEMENT_SERIAL(CLine, CObject, 2 | VERSIONABLE_SCHEMA)

void CLine::Serialize(CArchive& ar)
{
        CObject::Serialize(ar);
        if (ar.IsStoring())
        {        // storing code
                ar << m_poFrom << m_poTo << m_clrLine;
        }
        else
        {        // loading code
                UINT nSchema = ar.GetObjectSchema();
                switch (nSchema)
                {
                case 1://这个是版本一的输出
                        ar >> m_poFrom >> m_poTo;
                        m_clrLine = RGB(0, 0, 0);
                        break;
                case 2:
                        ar >> m_poFrom >> m_poTo >> m_clrLine;
                        break;
                default:
                        AfxThrowArchiveException(CArchiveException::badSchema);
                        break;
                }
        }
}

这是主要源码

[C++] 纯文本查看 复制代码

void C串行化CArchiveDlg::OnBnClickedButton1()
{
        // TODO: 在此添加控件通知处理程序代码
        CFile file(_T("demo.txt"), CFile::modeWrite | CFile::modeCreate);
        int a = 10;
        int b = 100;
        CArchive ArcFile(&file, CArchive::store);
        //现在需要保存 任何数据类型都是比较简单的事
        ArcFile << a << b;//写入变量的值
        m_line.setCLine(CPoint(10, 10), CPoint(100, 100));
        ArcFile << &m_line;
        //line.Serialize(ArcFile);//写入对象的属性                //使用这个方法的话就不能做多版本了

        ArcFile.Close();
        file.Close();
        MessageBox(TEXT("串行化成功"), TEXT("提示:"), 0);
}


void C串行化CArchiveDlg::OnBnClickedButton2()
{
        // TODO: 在此添加控件通知处理程序代码
        CFile file(_T("demo.txt"), CFile::modeRead);
        CArchive ar(&file, CArchive::load);
        int a, b;
        ar >> a >> b;//获取文件内部的变量 a b 的值
        CLine *liTmp = &m_line;
        ar >> liTmp;
        //line.Serialize(ar);//获取文件的 line 对象的数据
        m_edit.Empty();
        CString string;
        string.Format(_T("a = %d\r\n"), a);
        m_edit.Append(string);
        string.Format(_T("b = %d\r\n"), b);
        m_edit.Append(string);
        string.Format(_T("Line form = (%d, %d), to = (%d, %d)\r\n"), liTmp->m_poFrom.x, liTmp->m_poFrom.y,
                liTmp->m_poTo.x, liTmp->m_poTo.y);
        m_edit.Append(string);
        ar.Close();
        file.Close();
        UpdateData(FALSE);
}


void C串行化CArchiveDlg::OnBnClickedButton3()
{
        // TODO: 在此添加控件通知处理程序代码
        CFile file(_T("file.txt"), CFile::modeReadWrite | CFile::modeCreate);
        CArchive ar(&file, CArchive::store);
        int a, b;
        a = 10;
        b = 100;
        ar << a << b;
        m_line.setCLine(CPoint(10, 10), CPoint(100, 100), COLORREF(RGB(0, 255, 0)));
        ar << &m_line;
        ar.Close();
        file.Close();
        MessageBox(_T("串行话成功"), _T("提示:"), 0);
}




void C串行化CArchiveDlg::OnBnClickedButton4()
{
        // TODO: 在此添加控件通知处理程序代码
        CFile file(_T("file.txt"), CFile::modeRead);
        CArchive ar(&file, CArchive::load);
        int a, b;
        ar >> a >> b;
        CLine *pLiTmp = &m_line;
        ar >> pLiTmp;
        CString string;
        string.Format(_T("a = %d, b = %d\n"), a, b);
        m_edit.Empty();
        m_edit.Append(string);
        CString strColor;
        switch (pLiTmp->m_clrLine)
        {
        case RGB(255, 0, 0):
                strColor.Format(_T("红色"));
                break;
        case RGB(0, 255, 0):
                strColor.Format(_T("绿色"));
                break;
        case RGB(0, 0, 255):
                strColor.Format(_T("蓝色"));
                break;
        }
        string.Format(_T("line form = (%d, %d), to = (%d, %d), color = "), pLiTmp->m_poFrom.x,
                pLiTmp->m_poFrom.y, pLiTmp->m_poTo.x, pLiTmp->m_poTo.y);
        string.Append(strColor);
        m_edit.Append(string);
        ar.Close();
        file.Close();
        UpdateData(FALSE);
}

HBRUSH C串行化CArchiveDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
        HBRUSH hbr = CDialogEx::OnCtlColor(pDC, pWnd, nCtlColor);

        // TODO:  在此更改 DC 的任何特性

        // TODO:  如果默认的不是所需画笔，则返回另一个画笔
        switch (pWnd->GetDlgCtrlID())
        {
        case IDC_EDIT1:
                pDC->SetTextColor(m_line.m_clrLine);
                break;
        default:
                break;
        }
        return hbr;
}

vale

完全不懂

yemoon

看标题还以为是串口通信的。。。
这个学名应该叫对象的序列化和反序列化吧