student.h

一个学生考勤系统

// Student.H : Declaration of the CStudent class

#ifndef __STUDENT_H_
#define __STUDENT_H_

class CStudentAccessor
{
public:
	TCHAR m_StudentAddr[51];	// 学生家庭地址
	TCHAR m_StudentAge[51];	// 年龄
	TCHAR m_StudentClass[51];	// 班级
	TCHAR m_StudentGrade[51];	// 年级
	TCHAR m_StudentID[51];	// 学号
	TCHAR m_StudentName[51];	// 学生姓名
	TCHAR m_StudentPhone[51];	// 学生家长手机号码
	TCHAR m_StudentSex[51];	// 学生性别

BEGIN_COLUMN_MAP(CStudentAccessor)
	COLUMN_ENTRY(1, m_StudentGrade)
	COLUMN_ENTRY(2, m_StudentClass)
	COLUMN_ENTRY(3, m_StudentID)
	COLUMN_ENTRY(4, m_StudentName)
	COLUMN_ENTRY(5, m_StudentSex)
	COLUMN_ENTRY(6, m_StudentAge)
	COLUMN_ENTRY(7, m_StudentAddr)
	COLUMN_ENTRY(8, m_StudentPhone)
END_COLUMN_MAP()

DEFINE_COMMAND(CStudentAccessor, _T(" \
	SELECT \
		StudentGrade, \
		StudentClass, \
		StudentID, \
		StudentName, \
		StudentSex, \
		StudentAge, \
		StudentAddr, \
		StudentPhone  \
		FROM tbStudent"))

	// You may wish to call this function if you are inserting a record and wish to
	// initialize all the fields, if you are not going to explicitly set all of them.
	void ClearRecord()
	{
		memset(this, 0, sizeof(*this));
	}
};

class CStudent : public CCommand<CAccessor<CStudentAccessor> >
{
public:
	HRESULT Open()
	{
		HRESULT		hr;

		hr = OpenDataSource();
		if (FAILED(hr))
			return hr;

		return OpenRowset();
	}
	HRESULT OpenDataSource()
	{
		HRESULT		hr;
		CDataSource db;
		CDBPropSet	dbinit(DBPROPSET_DBINIT);

		dbinit.AddProperty(DBPROP_AUTH_CACHE_AUTHINFO, true);
		dbinit.AddProperty(DBPROP_AUTH_ENCRYPT_PASSWORD, false);
		dbinit.AddProperty(DBPROP_AUTH_MASK_PASSWORD, false);
		dbinit.AddProperty(DBPROP_AUTH_PASSWORD, OLESTR(""));
		dbinit.AddProperty(DBPROP_AUTH_USERID, OLESTR("Admin"));
		dbinit.AddProperty(DBPROP_INIT_DATASOURCE, OLESTR("E:\\学生考勤管理信息系统\\xskq.mdb"));
		dbinit.AddProperty(DBPROP_INIT_MODE, (long)16);
		dbinit.AddProperty(DBPROP_INIT_PROMPT, (short)4);
		dbinit.AddProperty(DBPROP_INIT_PROVIDERSTRING, OLESTR(""));
		dbinit.AddProperty(DBPROP_INIT_LCID, (long)1033);
//		dbinit.AddProperty(DBPROP_AUTH_PERSIST_SENSITIVE_AUTHINFO, false);
		hr = db.Open(_T("Microsoft.Jet.OLEDB.4.0"), &dbinit);
		if (FAILED(hr))
			return hr;

		return m_session.Open(db);
	}
	HRESULT OpenRowset()
	{
		// Set properties for open
		CDBPropSet	propset(DBPROPSET_ROWSET);
		propset.AddProperty(DBPROP_IRowsetChange, true);
		propset.AddProperty(DBPROP_UPDATABILITY, DBPROPVAL_UP_CHANGE | DBPROPVAL_UP_INSERT | DBPROPVAL_UP_DELETE);

		return CCommand<CAccessor<CStudentAccessor> >::Open(m_session, NULL, &propset);
	}
	CSession	m_session;
};

#endif // __STUDENT_H_