vector 的读写

void CPreData::ReadDataWarehouse()
{
	UINT nVectorSize = 0;
	HANDLE hFile = CreateFile(m_szDataWarehouse, FILE_READ_DATA, FILE_SHARE_READ,
        NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);

	if (INVALID_HANDLE_VALUE == hFile)
        return;

	DWORD dwRead = 0;
	ReadFile(hFile, &nVectorSize, sizeof(UINT), &dwRead, 0);
	m_vDataWarehouse.resize(nVectorSize);
	SetFilePointer(hFile, sizeof(UINT), 0, FILE_BEGIN);
	ReadFile(hFile, &m_vDataWarehouse[0], nVectorSize * sizeof(INIFILE), &dwRead, 0);
	
	CloseHandle(hFile);

	for(vector<INIFILE>::iterator iter = m_vDataWarehouse.begin(); iter != m_vDataWarehouse.end(); ++iter)
		iter->Inverse();
}
void CPreData::WriteDataWarehouse()
{
	for(vector<INIFILE>::iterator iter = m_vDataWarehouse.begin(); iter != m_vDataWarehouse.end(); ++iter)
		iter->Inverse();

	HANDLE hFile = CreateFile(m_szDataWarehouse, FILE_WRITE_DATA, FILE_SHARE_READ,
        NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);

    if (INVALID_HANDLE_VALUE == hFile)
		return;

	UINT nVectorSize = m_vDataWarehouse.size();
	DWORD dwWrite = 0;
	WriteFile(hFile, &nVectorSize, sizeof(UINT), &dwWrite, 0);
	SetFilePointer(hFile, sizeof(UINT), 0, FILE_BEGIN);
	WriteFile(hFile, &m_vDataWarehouse[0], nVectorSize * sizeof(INIFILE), &dwWrite, 0);
    CloseHandle(hFile);
}

如何读写 vector<> 结构的文件
原文地址:https://www.cnblogs.com/silyvin/p/9106901.html