不用VC中的Document能否存储数据(2)
#define DATA_FILE _T("DataTest.dat")
void SaveData()
// Code to serialize and save the data
{
UINT nFlags = CFile::typeBinary | CFile::modeWrite;
if (_access(DATA_FILE, 0))
{
nFlags |= CFile::modeCreate;
// The file doesn't exist, so create it
m_bCanSave = TRUE;
}
else
{
int nTemp = _access(DATA_FILE, 6);
// Check Read Write Permissions
if(nTemp==0)
m_bCanSave = TRUE;
}
if (m_bCanSave)
{
CFile file;
CFileException fe;
// The file exists with read & write permissions
if (file.Open(DATA_FILE, nFlags, &fe))
{
CArchive ar(&file, CArchive::store);
UpdateData(TRUE);
CSerData.m_nID = m_nID;
CSerData.m_strName = m_strName;
CSerData.Serialize(ar); // Serialize the data
}
}
}
上面的save操作已经结束,我想该是load的时候了
void LoadData()
//Code to load data
{
if (_access(DATA_FILE, 6)==0) // If File Exists
{
CFile file;
CFileException fe;
if (file.Open(DATA_FILE,CFile::typeBinary |
CFile::modeRead, &fe))
{
CArchive ar(&file, CArchive::load);
Info.Serialize(ar);
}
}
m_nID = CSerData.m_nID;
m_strName = CSerData.m_strName;
UpdateData(FALSE);
}
终于写完了,希望不是那么糟糕.希望有点人气度.我在上面说了,本文只适合初学者如果你是高手,读到这儿.就已经说明,你今天很闲,或者你是来找点茶余饭后的消遣那好吧,我的文章希望就能带给你们这么多,下次见.
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