stuonescore.cpp

学生成绩管理系统

// stuonescore.cpp : implementation file
//

#include "stdafx.h"
#include "mystudent.h"
#include "stuonescore.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// Cstuonescore dialog


Cstuonescore::Cstuonescore(CWnd* pParent /*=NULL*/)
	: CDialog(Cstuonescore::IDD, pParent)
{
	//{{AFX_DATA_INIT(Cstuonescore)
	m_stuname = _T("");
	m_cname = _T("");
	m_stuno = _T("");
	m_cno = _T("");
	m_stuname1 = _T("");
	m_cname1 = _T("");
	m_classno = _T("");
	m_special = _T("");
	m_score = 0.0f;
	m_credit = _T("");
	//}}AFX_DATA_INIT
}


void Cstuonescore::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(Cstuonescore)
	DDX_Text(pDX, IDC_EDIT1, m_stuname);
	DDX_Text(pDX, IDC_EDIT2, m_cname);
	DDX_Text(pDX, IDC_EDIT3, m_stuno);
	DDX_Text(pDX, IDC_EDIT4, m_cno);
	DDX_Text(pDX, IDC_EDIT5, m_stuname1);
	DDX_Text(pDX, IDC_EDIT6, m_cname1);
	DDX_Text(pDX, IDC_EDIT7, m_classno);
	DDX_Text(pDX, IDC_EDIT8, m_special);
	DDX_Text(pDX, IDC_EDIT9, m_score);
	DDX_Text(pDX, IDC_EDIT10, m_credit);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(Cstuonescore, CDialog)
	//{{AFX_MSG_MAP(Cstuonescore)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// Cstuonescore message handlers

void Cstuonescore::OnOK() 
{
	// TODO: Add extra validation here

	UpdateData(true);
	CDatabase m_database;
	Cstudentset student;
	Cscore score;
	Ccourse course;
	Cclassinfo classinfo;
	if(student.IsOpen())
		student.Close();
	CString sql;
	sql.Format("select * from student where stuno='%s' or stuname='%s'",m_stuno,m_stuname);
	student.m_pDatabase=&m_database;
	student.Open(AFX_DB_USE_DEFAULT_TYPE,sql);
	if(student.IsEOF())
	{
		MessageBox("该学生不存在！","提示");
		return;
	}
	else
	{
		sql.Format("select * from course where cno='%s' or cname='%s'",m_cno,m_cname);
		course.m_pDatabase=&m_database;
		course.Open(AFX_DB_USE_DEFAULT_TYPE,sql);

		sql.Format("select * from score where studentno='%s' and course='%s'",
				student.m_stuno,course.m_cname);
		score.m_pDatabase=&m_database;
		score.Open(AFX_DB_USE_DEFAULT_TYPE,sql);	
		if(score.IsEOF())
		{
			MessageBox("该学生没有该门课！","提示");
			return;
		}
		else
		{						
			sql.Format("select * from classinfo where classno='%s'",student.m_classno);
			classinfo.m_pDatabase=&m_database;
			classinfo.Open(AFX_DB_USE_DEFAULT_TYPE,sql);
			m_stuname1.Format("%s",student.m_stuname);
			m_cname1.Format("%s",course.m_cno);
			m_classno.Format("%s",classinfo.m_classno);
			m_special.Format("%s",classinfo.m_special);
			m_score=(float)score.m_score;
			m_credit.Format("%s",score.m_credit);
			UpdateData(false);
		}

	}
	

	
	//CDialog::OnOK();
}