数据库系统

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Visual C++

teacheraddcourse.cpp：源码内容

							// teacheraddcourse.cpp : implementation file
//
#include "stdafx.h"
#include "课程设计.h"
#include "teacheraddcourse.h"
#include "st.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// teacheraddcourse dialog
teacheraddcourse::teacheraddcourse(CWnd* pParent /*=NULL*/)
	: CDialog(teacheraddcourse::IDD, pParent)
{
	//{{AFX_DATA_INIT(teacheraddcourse)
	teacher = _T("");
	zhicheng = _T("");
	kecheng = _T("");
	xueshi = _T("");
	xuefen = _T("");
	didian = _T("");
	jibie = _T("");
	//}}AFX_DATA_INIT
}
void teacheraddcourse::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(teacheraddcourse)
	DDX_Text(pDX, IDC_EDIT1, teacher);
	DDX_Text(pDX, IDC_EDIT2, zhicheng);
	DDX_Text(pDX, IDC_EDIT3, kecheng);
	DDX_Text(pDX, IDC_EDIT4, xueshi);
	DDX_Text(pDX, IDC_EDIT5, xuefen);
	DDX_Text(pDX, IDC_EDIT6, didian);
	DDX_Text(pDX, IDC_EDIT7, jibie);
	//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(teacheraddcourse, CDialog)
	//{{AFX_MSG_MAP(teacheraddcourse)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// teacheraddcourse message handlers
void teacheraddcourse::OnOK() 
{
	// TODO: Add extra validation here
	
	UpdateData();
	int flag=0;
	st a;
    a.Open();
	while(!a.IsEOF())
	{if(teacher==a.m_teacher)
	   {flag=1;
	    a.Edit();
	    a.m_course=kecheng;
		a.m_period=xueshi;
		a.m_xuefen=xuefen;
		a.m_address=didian;
		a.m_grade=jibie;
		a.m_teacher=teacher;
		a.m_level=zhicheng;
		a.Update();
		break;}
	  a.MoveNext();
	}
	if(flag==1)
	{MessageBox("教师课程更改成功!!");
	 this->OnCancel();
	}
   if(flag==0)
    {MessageBox("未发现教师!!","警告",16);}
}

						