二进制文件串行化

c文件

#include "CfgParam.h"

CCfgParam::CCfgParam()
{

}
CCfgParam::~CCfgParam()
{
}

CCfgParam& CCfgParam::operator=(const CCfgParam& rhs)
{


    //strParameter = rhs.strParameter;

    com = rhs.com;

    graph = rhs.graph;

    return *this;
}


IMPLEMENT_SERIAL(CCfgParam,CObject,0)

#define SIZEOF_MAXBUF    260
void CCfgParam::Serialize(CArchive& ar)
{
    CObject::Serialize(ar);
    BYTE tmp[SIZEOF_MAXBUF];
    memset(tmp, 0, SIZEOF_MAXBUF);
    if (ar.IsStoring())///write
    {
        //strParameter
        int i;
        memcpy(tmp, &com, sizeof(com));
        for (i = 0; i < SIZEOF_MAXBUF; i ++)
        {
            ar << tmp[i];
        }

        memcpy(tmp, &graph, sizeof(graph));
        for (i = 0; i < SIZEOF_MAXBUF; i ++)
        {
            ar << tmp[i];
        }

        memcpy(tmp, &flag, sizeof(flag));
        for (i = 0; i < SIZEOF_MAXBUF; i ++)
        {
            ar << tmp[i];
        }

        //ar << dwFlag;
        ///ar << m_strIP << m_uiPort;
    }
    else//read
    {
        int i;
        //strParameter

        for (i = 0; i < SIZEOF_MAXBUF; i ++)
        {
            ar >> tmp[i];
        }
        memcpy(&com, tmp, sizeof(com));


        for (i = 0; i < SIZEOF_MAXBUF; i ++)
        {
            ar >> tmp[i];
        }
        memcpy(&graph, tmp, sizeof(graph));



        for (i = 0; i < SIZEOF_MAXBUF; i ++)
        {
            ar >> tmp[i];
        }
        memcpy(&flag, tmp, sizeof(flag));

        //ar >> m_strIP >> m_uiPort;
        //ar >> dwFlag;
    }
}

h文件（公共类的定义）

#include "StdAfx.h"


typedef struct
{
    BYTE byPort;
    DWORD dwBaud;
}STRCOM;

typedef struct
{
    float f_x0;
    float f_x1;
    float f_y0;
    float f_y1;
}STRNETGRAPH;


typedef struct
{
    STRCOM com;
    STRNETGRAPH netgraph;
}STRCFGPARAM;

typedef struct
{
    BOOL bWriteCsvFile;

}STRBOOLCFG;



class CCfgParam:public CObject
{
public:
     CCfgParam();
    ~CCfgParam();

    DWORD dwFlag;

    DECLARE_SERIAL(CCfgParam);



    CCfgParam& CCfgParam::operator=(const CCfgParam&);

    virtual void Serialize(CArchive& ar);

    //STRCFGPARAM strParameter;
    STRCOM com;
    STRNETGRAPH graph;
    STRBOOLCFG flag;

protected:
private:
};

应用：

BOOL CVc_netGraphDlg::SaveParam(CCfgParam *param)
{
    //将数据写入文件
    if (param == NULL)
        return FALSE;

    CString strFileName;

    strFileName="xxx";
    strFileName= strFileName +".cfg";

    CFileDialog fdlg(FALSE, ".cfg", strFileName ,OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,

        "*.CFG(CFG 文件)|*.CFG|*.*(所有文件)|*.*||");

    //if (fdlg.DoModal() == IDOK)
    //{
        CString filePath = fdlg.GetPathName();
        CFile file;
        CFileException fe;

        //filePath += "\\" + strFileName + ".cfg";
        //以读方式打开文件
        if(!file.Open(filePath,CFile::modeWrite|CFile::modeCreate,&fe))
        {
            fe.ReportError();
            return FALSE;
        }
        //构建CArchive 对象
        CArchive ar(&file,CArchive::store);
        ar <<param;
        ar.Flush();
        //写完毕，关闭文件流
        ar.Close();
        file.Close();
        //return TRUE;
    //}

    return FALSE;

}

BOOL CVc_netGraphDlg::LoadParam(CCfgParam *param)//test ok
{
    extern CVc_netGraphApp theApp;


    CString strFileName ="xxx";


    char szPath[128];
    GetModuleFileName(theApp.m_hInstance, szPath, 128);
    CString strPath=szPath;
    int nPos = strPath.ReverseFind('\\');
    CString strDir = strPath.Left(nPos);

    strDir = strDir + "\\" + strFileName + ".cfg";

    CFile file;
    CFileException fe;

    try

    {
            if(!file.Open(strDir, CFile::modeRead, &fe))
            {
                fe.ReportError();
                return FALSE;
            }else
            {
                CArchive ar(&file,CArchive::load);
                CCfgParam* p = new CCfgParam();//very important
                ar >> p;

                *param = *p;

                delete p;

                //ar>>param;

                ar.Flush();
                ar.Close();
                file.Close();
                return TRUE;
            }

    }
    catch(...)
    {
        //
        AfxMessageBox("not find cfg file,load default config");
    }


}

void CVc_netGraphDlg::OnBnClickedButton2()
{
    // TODO: 在此添加控件通知处理程序代码
    CCfgParam q;

    LoadParam(&q);
}