chargeitemeditdlg.cpp

这是一个功能相对完善的关于学校收费管理系统的一个例子

// ChargeItemEditDlg.cpp : implementation file
//

#include "stdafx.h"
#include "ChargeManage.h"
#include "ChargeItemEditDlg.h"
#include "ChargeItem.h"


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

/////////////////////////////////////////////////////////////////////////////
// CChargeItemEditDlg dialog


CChargeItemEditDlg::CChargeItemEditDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CChargeItemEditDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CChargeItemEditDlg)
	m_BookFee = 0.0;
	m_DormFee = 0.0;
	m_FileFee = 0.0;
	m_incidental = 0.0;
	m_insurance = 0.0;
	m_MacTimeFee = 0.0;
	m_total = 0.0;
	m_tuition = 0.0;
	m_BicycleFee = 0.0;
	m_Year = 0;
	//}}AFX_DATA_INIT
}


void CChargeItemEditDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CChargeItemEditDlg)
	DDX_Control(pDX, IDC_SPECIALITY_COMBO, m_speciality);
	DDX_Text(pDX, IDC_BOOK_FEE_EDIT, m_BookFee);
	DDX_Text(pDX, IDC_DORM_FEE_EDIT, m_DormFee);
	DDX_Text(pDX, IDC_FILE_FEE_EDIT, m_FileFee);
	DDX_Text(pDX, IDC_INCIDENTAL_EDIT, m_incidental);
	DDX_Text(pDX, IDC_INSURANCE_EDIT, m_insurance);
	DDX_Text(pDX, IDC_MAC_TIME_FEE_EDIT, m_MacTimeFee);
	DDX_Text(pDX, IDC_TOTAL_EDIT, m_total);
	DDX_Text(pDX, IDC_TUITION_EDIT, m_tuition);
	DDX_Text(pDX, IDC_BICYCLE_FEE_EDIT, m_BicycleFee);
	DDX_Text(pDX, IDC_YEAR_EDIT, m_Year);
	DDV_MinMaxInt(pDX, m_Year, 1980, 2100);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CChargeItemEditDlg, CDialog)
	//{{AFX_MSG_MAP(CChargeItemEditDlg)
	ON_CBN_SELCHANGE(IDC_SPECIALITY_COMBO, OnSelchangeSpecialityCombo)
	ON_EN_CHANGE(IDC_TUITION_EDIT, OnChangeTuitionEdit)
	ON_EN_CHANGE(IDC_INCIDENTAL_EDIT, OnChangeIncidentalEdit)
	ON_EN_CHANGE(IDC_MAC_TIME_FEE_EDIT, OnChangeMacTimeFeeEdit)
	ON_EN_CHANGE(IDC_INSURANCE_EDIT, OnChangeInsuranceEdit)
	ON_EN_CHANGE(IDC_DORM_FEE_EDIT, OnChangeDormFeeEdit)
	ON_EN_CHANGE(IDC_BICYCLE_FEE_EDIT, OnChangeBicycleFeeEdit)
	ON_EN_CHANGE(IDC_BOOK_FEE_EDIT, OnChangeBookFeeEdit)
	ON_EN_CHANGE(IDC_FILE_FEE_EDIT, OnChangeFileFeeEdit)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CChargeItemEditDlg message handlers

BOOL CChargeItemEditDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	if(cItemId == "")
	{
		m_speciality.AddString("==专业信息==");
		spe.LoadSpe();

		for(int i=0; i<spe.a_SpeId.GetSize(); i++)
		{
			if (atol(spe.a_DepId.GetAt(i)) == DepId)
			{
				m_speciality.AddString(spe.a_Name.GetAt(i));
			}
		}
	}
	else
	{
		GetDlgItem(IDC_SPECIALITY_COMBO)->EnableWindow(FALSE);
		m_speciality.AddString(cSpe);
	}
	m_speciality.SetCurSel(0);

	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

// 改变专业选择框
void CChargeItemEditDlg::OnSelchangeSpecialityCombo() 
{
	// TODO: Add your control notification handler code here
	// 得到当前专业名称
	CString strCurSpe;
	m_speciality.GetLBText(m_speciality.GetCurSel(), strCurSpe);
	
	// 得到SpeId的值
	for(int i = 0 ; i < spe.a_SpeId.GetSize(); i++)
	{
		if(spe.a_Name.GetAt(i) == strCurSpe)
		{
			SpeId = atol(spe.a_SpeId.GetAt(i));
		}
	}
}

// 学费改变
void CChargeItemEditDlg::OnChangeTuitionEdit() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	m_total = m_tuition + m_incidental + m_MacTimeFee + m_insurance + m_DormFee
		+ m_BicycleFee + m_BookFee + m_FileFee;
	UpdateData(FALSE);
}

// 杂费改变
void CChargeItemEditDlg::OnChangeIncidentalEdit() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	m_total = m_tuition + m_incidental + m_MacTimeFee + m_insurance + m_DormFee
		+ m_BicycleFee + m_BookFee + m_FileFee;
	UpdateData(FALSE);
}

// 机时费改变
void CChargeItemEditDlg::OnChangeMacTimeFeeEdit() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	m_total = m_tuition + m_incidental + m_MacTimeFee + m_insurance + m_DormFee
		+ m_BicycleFee + m_BookFee + m_FileFee;
	UpdateData(FALSE);
}

// 保险费改变
void CChargeItemEditDlg::OnChangeInsuranceEdit() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	m_total = m_tuition + m_incidental + m_MacTimeFee + m_insurance + m_DormFee
		+ m_BicycleFee + m_BookFee + m_FileFee;
	UpdateData(FALSE);
}

// 住宿费改变
void CChargeItemEditDlg::OnChangeDormFeeEdit() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	m_total = m_tuition + m_incidental + m_MacTimeFee + m_insurance + m_DormFee
		+ m_BicycleFee + m_BookFee + m_FileFee;
	UpdateData(FALSE);
}

// 存车费改变
void CChargeItemEditDlg::OnChangeBicycleFeeEdit() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	m_total = m_tuition + m_incidental + m_MacTimeFee + m_insurance + m_DormFee
		+ m_BicycleFee + m_BookFee + m_FileFee;
	UpdateData(FALSE);
}

// 书费改变
void CChargeItemEditDlg::OnChangeBookFeeEdit() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	m_total = m_tuition + m_incidental + m_MacTimeFee + m_insurance + m_DormFee
		+ m_BicycleFee + m_BookFee + m_FileFee;
	UpdateData(FALSE);
}

// 资料费改变
void CChargeItemEditDlg::OnChangeFileFeeEdit() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	m_total = m_tuition + m_incidental + m_MacTimeFee + m_insurance + m_DormFee
		+ m_BicycleFee + m_BookFee + m_FileFee;
	UpdateData(FALSE);
}

// 确定按钮
void CChargeItemEditDlg::OnOK() 
{
	// TODO: Add extra validation here
	UpdateData(TRUE);

	// 有效性判断
	if(m_total == 0.0)
	{
		MessageBox("请输入收费信息");
		return;
	}
	if(SpeId == 0)
	{
		if(m_speciality.GetCurSel() == 0)
		{
			MessageBox("请选择专业！");
			return;
		}
	}
	if(m_Year == 0)
	{
		MessageBox("请输入收费年度");
		return;
	}

	//将用户输入的数据赋值到对象cur中，为更新数据库做准备
	CChargeItem cur;
	cur.SpeId = SpeId;
	cur.iYear = m_Year;
	cur.Tuition = m_tuition;
	cur.Incidental = m_incidental;
	cur.MacTimeFee = m_MacTimeFee;
	cur.Insurance = m_insurance;
	cur.DormFee = m_DormFee;
	cur.BicycleFee = m_BicycleFee;
	cur.BookFee = m_BookFee;
	cur.FileFee = m_FileFee;

	// 判断此专业收费信息是否存在
	if(cItemId == "")
	{
		CString cYear;
		CString cSpeId;
		cYear.Format("%d", m_Year);
		cSpeId.Format("%ld", SpeId);
		
		if(cur.HaveSpe(cSpeId,cYear))
		{
			MessageBox("已经存在此专业在此年度的收费信息");
			return;
		}
		else
			cur.SqlInsert();
	}
	else		//根据cItemId的值更新记录
		cur.SqlUpdate(cItemId);

	CDialog::OnOK();
}