chargemandlg.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

// ChargeManDlg.cpp : implementation file
//

#include "stdafx.h"
#include "ChargeManage.h"
#include "ChargeManDlg.h"
#include "ChargeEdiDlg.h"
#include "StuCharge.h"
#include "DepInfo.h"
#include "Speciality.h"
#include "UserInfo.h"
#include "COMDEF.H"
#include "Columns.h"
#include "Column.h"
#include "_Recordset.h"

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

extern CUserInfo curUser;

/////////////////////////////////////////////////////////////////////////////
// CChargeManDlg dialog


CChargeManDlg::CChargeManDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CChargeManDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CChargeManDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CChargeManDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CChargeManDlg)
	DDX_Control(pDX, IDC_TREE1, m_tree);
	DDX_Control(pDX, IDC_ADODC1, m_Adodc);
	DDX_Control(pDX, IDC_DATAGRID1, m_Datagrid);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CChargeManDlg, CDialog)
	//{{AFX_MSG_MAP(CChargeManDlg)
	ON_NOTIFY(TVN_SELCHANGED, IDC_TREE1, OnSelchangedTree1)
	ON_BN_CLICKED(IDC_CHARGE_BUTTON, OnChargeButton)
	ON_BN_CLICKED(IDC_RECHARGE_BUTTON, OnRechargeButton)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CChargeManDlg message handlers

BOOL CChargeManDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();

	// TODO: Add extra initialization here
	//权限控制，如果不是管理员则添加、修改和删除按钮置灰
	if (curUser.UserType != 1)
	{
		GetDlgItem(IDC_CHARGE_BUTTON)->EnableWindow(FALSE);
		GetDlgItem(IDC_RECHARGE_BUTTON)->EnableWindow(FALSE);
	}

	//装入院系信息
	dep.LoadDep();

	//添加根节点
	m_treeImageList.Create(16,16,FALSE,1,0);  //创建CImageList控件
	//装入ICON资源
	HICON hIcon = ::LoadIcon(AfxGetResourceHandle(), MAKEINTRESOURCE(IDI_ICON1));
	m_treeImageList.Add(hIcon);  //将ICON资源添加到CImageList控件中
	//将CImageList控件与Tree控件相关联	
	m_tree.SetImageList(&m_treeImageList, LVSIL_NORMAL);
	m_root = m_tree.InsertItem("院系信息");  //添加根节点
	//调用AddtoTree() 函数，将所有院系信息添加到Tree控件中	
	AddtoTree(m_root, 0);
	m_tree.Expand(m_root, TVE_EXPAND); //展开根节点
	//选中根节点
	m_tree.SelectItem(m_root);

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

void CChargeManDlg::RefreshData()
{
	UpdateData(TRUE);

	//从Tree控件中读取院系编号信息
	int iDepId;
	HTREEITEM node;
	node = m_tree.GetSelectedItem();
	iDepId = m_tree.GetItemData(node);

	//根据院系编号设置SELECT语句
	CString cDepId;
	cDepId.Format("%d", iDepId);

	// 设置SELECT语句
	CString cSource = "SELECT c.ChgId,c.StuId,s.Name AS 学生姓名, c.ChargeDate AS 收费日期,"
		"c.iYear AS 学年, c.Should_Tuition AS 应交学费, c.Fact_Tuition AS 实交学费, "
		"(c.Should_Tuition-c.Fact_Tuition) AS 所欠学费,"
		" c.Should_Incidental AS 应交杂费, c.Fact_Incidental AS 实交杂费,"
		"(c.Should_Incidental-c.Fact_Incidental) AS 所欠杂费,"
		" c.Should_MacTimeFee AS 应交机时费, c.Fact_MacTimeFee AS 实交机时费,"
		"(c.Should_MacTimeFee-c.Fact_MacTimeFee) AS 所欠机时费,"
		" c.Should_Insurance AS 应交保险费, c.Fact_Insurance AS 实交保险费,"
		"(c.Should_Insurance-c.Fact_Insurance) AS 所欠保险费,"
		" c.Should_DormFee AS 应交住宿费, c.Fact_DormFee AS 实交住宿费,"
		"(c.Should_DormFee-c.Fact_DormFee) AS 所欠住宿费,"
		" c.Should_BicycleFee AS 应交存车费, c.Fact_BicycleFee AS 实交存车费,"
		"(c.Should_BicycleFee-c.Fact_BicycleFee) AS 所欠存车费,"
		" c.Should_BookFee AS 应交书费, c.Fact_BookFee AS 实交书费,"
		"(c.Should_BookFee-c.Fact_BookFee) AS 所欠书费,"
		" c.Should_FileFee AS 应交资料费, c.Fact_FileFee AS 实交资料费, "
		"(c.Should_FileFee-c.Fact_FileFee) AS 所欠资料费,"
		" c.Should_Total AS 应交合计, c.Fact_Total AS 实交合计,"
		"(c.Should_Total-c.Fact_Total) AS 所欠合计, c.Memo AS 备注"
		" FROM StuCharge c, Student s, DepInfo d WHERE c.StuId = s.StuId AND s.DepId = d.DepId";

	// 若选择的不是根节点
	if(m_tree.GetItemData(node) != 0)		// 不是根节点
	{
		// 第2级节点
		if(m_tree.GetItemData(m_tree.GetParentItem(node)) != 0)
		{
			cSource += " AND d.DepId = " + cDepId;
		}
		// 第1级节点
		else
		{
			cSource += " AND (d.UID = " + cDepId + " OR d.DepId = " + cDepId + ")";
		}
	}

	//刷新ADO Data控件的记录源
	m_Adodc.SetRecordSource(cSource);
	m_Adodc.Refresh();
	
	//设置列宽度
	_variant_t vIndex;
	vIndex = long(0);
	m_Datagrid.GetColumns().GetItem(vIndex).SetWidth(0);
	vIndex = long(1);
	m_Datagrid.GetColumns().GetItem(vIndex).SetWidth(0);
	for(int i=2; i<32; i++)
	{
		vIndex = long(i);
		m_Datagrid.GetColumns().GetItem(vIndex).SetWidth(60);
	}
	vIndex = long(32);
	m_Datagrid.GetColumns().GetItem(vIndex).SetWidth(100);
}

void CChargeManDlg::AddtoTree(HTREEITEM m_node, int UpperId)
{
	//使用递归方法将院系添加到TreeView控件中
	int i;
	HTREEITEM m_child;

	//依次访问dep对象中的院系数组，查找满足条件的记录添加到Tree控件中
	for(i=0; i<dep.a_UID.GetSize(); i++)
	{
		//@@@@ 打开a_UID数组中等于UpperId的元素
		//@@@@ 表明此元素为当前根节点的子节点，因此将其添加到Tree控件中，新节点为m_child
		//@@@@ 使用SetItemData()函数将院系编号值也保存在新节点中
		//@@@@ 以新节点为根节点，再次递归调用AddtoTree()函数，将其子节点添加到Tree控件中
		if (UpperId == atoi(dep.a_UID.GetAt(i)))
		{
			m_child = m_tree.InsertItem(dep.a_DepName.GetAt(i), m_node);
			m_tree.SetItemData(m_child, atol(dep.a_DepId.GetAt(i)));
			AddtoTree(m_child, atoi(dep.a_DepId.GetAt(i)));
		}
	}
}

// 选择院系
void CChargeManDlg::OnSelchangedTree1(NMHDR* pNMHDR, LRESULT* pResult) 
{
	NM_TREEVIEW* pNMTreeView = (NM_TREEVIEW*)pNMHDR;
	// TODO: Add your control notification handler code here
	RefreshData();

	*pResult = 0;
}

void CChargeManDlg::OnChargeButton() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);

	CChargeEdiDlg dlg;
	// 初始化变量
	dlg.cId = "";			// 表示添加
	dlg.cStuId = "";			// 学生编号
	dlg.cSpeId = "";			// 专业编号
	dlg.m_Year = 2006;
	dlg.m_name = "无姓名";
	dlg.m_dep = "无部门";
	dlg.m_speciality = "无专业";
	dlg.m_pre = 0.0;
	dlg.m_cur = 0.0;
	dlg.m_lack = 0.0;

	dlg.m_tuition = 0.0;
	dlg.m_incidental = 0.0;
	dlg.m_MacTimeFee = 0.0;
	dlg.m_insurance = 0.0;
	dlg.m_DormFee = 0.0;
	dlg.m_BicycleFee = 0.0;
	dlg.m_BookFee = 0.0;
	dlg.m_FileFee = 0.0;
	dlg.m_memo = "";
	
	if (dlg.DoModal() == IDOK)
		RefreshData();
}
// 补交费用
void CChargeManDlg::OnRechargeButton() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);

	if (m_Adodc.GetRecordset().GetEof())
	{
		MessageBox("请选择要修改的记录!");
		return;
	}
	// 如果费用都缴完，则不需要补交
	if (atol(m_Datagrid.GetItem(31)) == 0)
	{
		MessageBox("费用已缴清，不用补交任何费用!");
		return;
	}
	HTREEITEM node;  // 用于保存当前节点
	node = m_tree.GetSelectedItem(); //取得当前节点值
	CString DepName;
	DepName = m_tree.GetItemText(node);

	CChargeEdiDlg dlg;
	// 初始化变量
	dlg.cId = m_Datagrid.GetItem(0);
	dlg.cStuId = m_Datagrid.GetItem(1);			// 学生编号
	dlg.m_name = m_Datagrid.GetItem(2);
	// 专业信息
	CSpeciality spe;
	// 院系信息
	dlg.m_dep = spe.GetDepName(m_Datagrid.GetItem(1));
	spe.GetInfo(m_Datagrid.GetItem(1));
	dlg.m_speciality = spe.Name;
	dlg.m_Year = atoi(m_Datagrid.GetItem(4));
	dlg.m_total = atol(m_Datagrid.GetItem(29));
	dlg.m_pre = atol(m_Datagrid.GetItem(30));
	dlg.m_cur = atol(m_Datagrid.GetItem(31));
	dlg.m_lack = atol(m_Datagrid.GetItem(31));
	
	dlg.m_tuition = atol(m_Datagrid.GetItem(7));
	dlg.m_incidental = atol(m_Datagrid.GetItem(10));
	dlg.m_MacTimeFee = atol(m_Datagrid.GetItem(13));
	dlg.m_insurance = atol(m_Datagrid.GetItem(16));
	dlg.m_DormFee = atol(m_Datagrid.GetItem(19));
	dlg.m_BicycleFee = atol(m_Datagrid.GetItem(22));
	dlg.m_BookFee = atol(m_Datagrid.GetItem(25));
	dlg.m_FileFee = atol(m_Datagrid.GetItem(28));

	dlg.m_memo = m_Datagrid.GetItem(32);

	if (dlg.DoModal() == IDOK)
		RefreshData();
}