成绩管理系统dlg.cpp

成绩管理系统,用VC和SQL 2000开发

// 成绩管理系统Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "成绩管理系统.h"
#include "成绩管理系统Dlg.h"
#include "XZ.h"
#include "HAXUN.h"
#include "DL.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
XZ m_xz;
CString zcxlb;
CString ZSQL;
CString zyhm,zmm;
bool key;
bool qq;
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

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

/////////////////////////////////////////////////////////////////////////////
// CMyDlg dialog

CMyDlg::CMyDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMyDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMyDlg)
	m_kc_kch = _T("");
	m_kc_kcm = _T("");
	m_kc_rkls = _T("");
	m_kc_xf = _T("");
	m_stu_nl = _T("");
	m_stu_szx = _T("");
	m_stu_xb = _T("");
	m_stu_xh = _T("");
	m_stu_xm = _T("");
	m_xuqk_kch = _T("");
	m_xuqk_xh = _T("");
	m_xxqk_bz = _T("");
	m_lb = _T("");
	m_xuqk_kscj = _T("");
	m_xxqk_pscj = _T("");
	m_xxqk_bk = FALSE;
	m_xxqk_cx = FALSE;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);

}

void CMyDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMyDlg)
	DDX_Control(pDX, IDC_XXKCJ_CX, m_XXQK_CX);
	DDX_Control(pDX, IDC_XXKCJ_BK, m_XXQK_BK);
	DDX_Control(pDX, IDC_DY, m_dy);
	DDX_Control(pDX, IDC_KC_XF, m_KC_XF);
	DDX_Control(pDX, IDC_KC_RKLS, m_KC_RKLS);
	DDX_Control(pDX, IDC_KC_KCM, m_KC_KCM);
	DDX_Control(pDX, IDC_KC_KCH, m_KC_KCH);
	DDX_Control(pDX, IDC_XXQK_XH, m_XXQK_XH);
	DDX_Control(pDX, IDC_XXQK_PSCJ, m_XXQK_PSCJ);
	DDX_Control(pDX, IDC_XXQK_KCH, m_XXQK_KCH);
	DDX_Control(pDX, IDC_XUQK_KSCJ, m_XUQK_KSCJ);
	DDX_Control(pDX, IDC_STU_XM, m_STU_XM);
	DDX_Control(pDX, IDC_STU_XH, m_STU_XH);
	DDX_Control(pDX, IDC_STU_XB, m_STU_XB);
	DDX_Control(pDX, IDC_STU_SZX, m_STU_SZX);
	DDX_Control(pDX, IDC_STU_NL, m_STU_NL);
	DDX_Control(pDX, IDC_COMBOBOXEX1, m_LB);
	DDX_Control(pDX, IDC_NEW, m_new);
	DDX_Control(pDX, IDC_LIST, m_list);
	DDX_Control(pDX, IDC_DPDATE, m_xg);
	DDX_Control(pDX, IDC_DEL, m_sc);
	DDX_Control(pDX, IDC_CX, m_cx);
	DDX_Text(pDX, IDC_KC_KCH, m_kc_kch);
	DDX_Text(pDX, IDC_KC_KCM, m_kc_kcm);
	DDX_Text(pDX, IDC_KC_RKLS, m_kc_rkls);
	DDX_Text(pDX, IDC_KC_XF, m_kc_xf);
	DDX_Text(pDX, IDC_STU_NL, m_stu_nl);
	DDX_Text(pDX, IDC_STU_SZX, m_stu_szx);
	DDX_Text(pDX, IDC_STU_XB, m_stu_xb);
	DDX_Text(pDX, IDC_STU_XH, m_stu_xh);
	DDX_Text(pDX, IDC_STU_XM, m_stu_xm);
	DDX_Text(pDX, IDC_XXQK_KCH, m_xuqk_kch);
	DDX_Text(pDX, IDC_XXQK_XH, m_xuqk_xh);
	DDX_CBString(pDX, IDC_COMBOBOXEX1, m_lb);
	DDX_Text(pDX, IDC_XUQK_KSCJ, m_xuqk_kscj);
	DDX_Text(pDX, IDC_XXQK_PSCJ, m_xxqk_pscj);
	DDX_Check(pDX, IDC_XXKCJ_BK, m_xxqk_bk);
	DDX_Check(pDX, IDC_XXKCJ_CX, m_xxqk_cx);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMyDlg, CDialog)
	//{{AFX_MSG_MAP(CMyDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_NEW, OnNew)
	ON_CBN_SELCHANGE(IDC_COMBOBOXEX1, OnSelchangeComboboxex1)
	ON_NOTIFY(NM_CLICK, IDC_LIST, OnClickList)
	ON_BN_CLICKED(IDC_DPDATE, OnDpdate)
	ON_BN_CLICKED(IDC_DEL, OnDel)
	ON_BN_CLICKED(IDC_CX, OnCx)
	ON_BN_CLICKED(IDC_DY, OnDy)
	ON_COMMAND(ID_MENU_CX, OnMenuStuCx)
	ON_COMMAND(ID_MENU_BF, OnMenuBf)
	ON_COMMAND(ID_MENU_HF, OnMenuHf)
	ON_COMMAND(ID_MENU_CKZL, OnMenuCkzl)
	ON_COMMAND(ID_MENU_XZZL, OnMenuXzzl)
	ON_COMMAND(ID_MENU_XZCJ, OnMenuXzcj)
	ON_COMMAND(ID_MENU_KC_XZ, OnMenuKcXz)
	ON_COMMAND(ID_MENU_KC_YYKC, OnMenuKcYykc)
	ON_COMMAND(ID_MENU_CJB_CX, OnMenuCjbCx)
	ON_COMMAND(ID_MENUKC_CX, OnMenukcCx)
	ON_COMMAND(ID_MENU_CJB, OnMenuCjb)
	ON_COMMAND(ID_MENU_BKTZD, OnMenuBktzd)
	ON_COMMAND(ID_MENU_CXTZD, OnMenuCxtzd)
	ON_COMMAND(ID_MENU_GY, OnMenuGy)
	ON_WM_CLOSE()
	ON_WM_CREATE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyDlg message handlers

BOOL CMyDlg::OnInitDialog()
{
	CDialog::OnInitDialog();
        ::CoInitialize(NULL);
	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
//zyhm=yhm;
//zmm=mm;
try
{
 	m_DBCnt.CreateInstance(__uuidof(Connection));
  m_DBCnt->ConnectionString=
"driver={SQL Server};server=(local);"
 "UID=SGteacher;PWD="";"
 "database=StuGrade";
 _variant_t vs;
vs.vt=VT_BSTR;
vs.bstrVal=SysAllocString(L"Prompt");
_variant_t vl;
vl.vt=VT_I2;
vl.iVal=adPromptAlways;
m_DBCnt->Properties->GetItem(vs)->Value=vl;
 m_DBCnt->Open("","","",-1);
}	
catch(_com_error& e)
{
	AfxMessageBox("无法连接数据库!");
	this->EndDialog(0);
}
_bstr_t str=m_DBCnt->ConnectionString;
CString qq;
CStringArray szResult;
qq=(char*)str; 
zyhm=SplitString(qq,szResult);
zmm=SplitStringmm(qq,szResult);
//CString q;
//q.Format("qqq='%s','%s'",zyhm,zmm);
  m_sc.EnableWindow(FALSE);
  m_dy.EnableWindow(FALSE);
  m_xg.EnableWindow(FALSE);
  m_list.EnableWindow(FALSE);
return TRUE;  // return TRUE  unless you set the focus to a control
}

void CMyDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CMyDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CMyDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CMyDlg::OnNew() 
{
	// TODO: Add your control notification handler code here
    
	m_xz.DoModal();
}

void CMyDlg::Readstudent()
{

	m_list.DeleteAllItems();
  _RecordsetPtr prst=NULL;
   _bstr_t strsql("select * from v_student ORDER BY 学号 DESC");
   int i=0;
  try
  {	 
	  prst.CreateInstance(__uuidof(Recordset));
	  if(key)prst=m_DBCnt->Execute(_bstr_t(ZSQL),NULL,adCmdText);
	 else prst=m_DBCnt->Execute(strsql,NULL,adCmdText);
	 _variant_t holder;
	  if(prst->adoEOF)
	 {
		 AfxMessageBox("没有相关记录!");
		  key=false;
		 return;
	 }
	  while(!prst->adoEOF)
	  {
          holder=prst->GetCollect("学号");
		  if(holder.vt!=VT_NULL)
			  m_list.InsertItem(i,(char*)(_bstr_t)holder);
		  holder=prst->GetCollect("姓名");
		  if(holder.vt!=VT_NULL)
			  m_list.SetItemText(i,1,(char*)(_bstr_t)holder);
		  holder=prst->GetCollect("性别");
		  if(holder.vt!=VT_NULL)
			  m_list.SetItemText(i,2,(char*)(_bstr_t)holder);
	      holder=prst->GetCollect("年龄");
		  if(holder.vt!=VT_NULL)
			  m_list.SetItemText(i,3,(char*)(_bstr_t)holder);   
		  holder=prst->GetCollect("所在系");
		  if(holder.vt!=VT_NULL)
			  m_list.SetItemText(i,4,(char*)(_bstr_t)holder);
		  prst->MoveNext();
	  }
	  prst->Close();
	  key=false;
  }
  catch(_com_error& e)
	   {
	    AfxMessageBox("操作异常!");
	  return;
  }
}



void CMyDlg::Readcourse()
{
	m_list.DeleteAllItems();
  _RecordsetPtr prst=NULL;
   _bstr_t strsql("select * from v_course ORDER BY 课程号 DESC");
   int i=0;
  try
  {	 
	  prst.CreateInstance(__uuidof(Recordset));
	  if(key)prst=m_DBCnt->Execute(_bstr_t(ZSQL),NULL,adCmdText);
	  else prst=m_DBCnt->Execute(strsql,NULL,adCmdText);
	 _variant_t holder;
	  if(prst->adoEOF)
	 {
		 AfxMessageBox("没有相关记录!");
		  key=false;
		 return;
	 }
	  while(!prst->adoEOF)
	  {
          holder=prst->GetCollect("课程号");
		  if(holder.vt!=VT_NULL)
			  m_list.InsertItem(i,(char*)(_bstr_t)holder);
		  holder=prst->GetCollect("课程名");
		  if(holder.vt!=VT_NULL)
			  m_list.SetItemText(i,1,(char*)(_bstr_t)holder);
		  holder=prst->GetCollect("任课老师");
		  if(holder.vt!=VT_NULL)
			  m_list.SetItemText(i,2,(char*)(_bstr_t)holder);
	      holder=prst->GetCollect("学分");
		  if(holder.vt!=VT_NULL)
			  m_list.SetItemText(i,3,(char*)(_bstr_t)holder);   
		  prst->MoveNext();
	  }
	  prst->Close();
	   key=false;
  }
  catch(_com_error&e)
  {
	 AfxMessageBox("操作异常!");
	  return;
  }
}

void CMyDlg::ReadSC()
{
	m_list.DeleteAllItems();
  _RecordsetPtr prst=NULL;
  m_xxqk_bk=false;
  m_xxqk_cx=false;
   _bstr_t strsql("select * from v_sc ORDER BY 学号 DESC");
   int i=0;
  try
  {
	 
	  prst.CreateInstance(__uuidof(Recordset));
	  if(key)prst=m_DBCnt->Execute(_bstr_t(ZSQL),NULL,adCmdText);
	  else prst=m_DBCnt->Execute(strsql,NULL,adCmdText);
	 _variant_t holder;
	  if(prst->adoEOF)
	 {
		 AfxMessageBox("没有相关记录!");
		  key=false;
		 return;
	 }
	  while(!prst->adoEOF)
	  {
          holder=prst->GetCollect("学号");
		  if(holder.vt!=VT_NULL)
			  m_list.InsertItem(i,(char*)(_bstr_t)holder);
		  holder=prst->GetCollect("课程号");
		  if(holder.vt!=VT_NULL)
			  m_list.SetItemText(i,1,(char*)(_bstr_t)holder);