实例介绍
【实例简介】
【实例截图】
【核心代码】
// 学生成绩管理系统Dlg.cpp : implementation file
//
#include "stdafx.h"
#include "学生成绩管理系统.h"
#include "学生成绩管理系统Dlg.h"
#include "CShowDetailStuInfor.h "
#include "CAddStuInfor.h"
#include "CMfindstuinfor.h"
#include "afxtempl.h"
#include "CFindStuInfor.h"
#include "ChangeStuDate.h"
#include <string>
using namespace std;
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// 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)
// No message handlers
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CMyDlg dialog
CMyDlg::CMyDlg(CWnd* pParent /*=NULL*/)
: CDialog(CMyDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CMyDlg)
// NOTE: the ClassWizard will add member initialization here
//}}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_LIST2, m_list2);
DDX_Control(pDX, IDC_LIST1, m_list);
//}}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_OPEN, OnOpen)
ON_BN_CLICKED(IDC_ADD, OnAdd)
ON_BN_CLICKED(IDC_FIND, OnFind)
ON_BN_CLICKED(IDC_SAVE, OnSave)
ON_BN_CLICKED(IDC_DELETE, OnDelete)
ON_BN_CLICKED(IDC_CHANGE, OnChange)
ON_BN_CLICKED(IDC_SORT, OnSort)
ON_NOTIFY(LVN_COLUMNCLICK, IDC_LIST1, OnColumnclickList1)
ON_BN_CLICKED(IDC_ANALYSIS, OnAnalysis)
ON_BN_CLICKED(IDC_CLEARALL, OnClearall)
ON_BN_CLICKED(IDC_MOHUFIND, OnMohufind)
ON_BN_CLICKED(IDC_CLEAR1, OnClear1)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CMyDlg message handlers
BOOL CMyDlg::OnInitDialog()
{
CDialog::OnInitDialog();
// 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
/////列表框1
m_list.SetExtendedStyle(LVS_EX_FULLROWSELECT | LVS_EX_GRIDLINES);
m_list.InsertColumn(0, "学号",LVCFMT_LEFT,100);
m_list.InsertColumn(1, "姓名",LVCFMT_LEFT,90);
m_list.InsertColumn(2, "数学",LVCFMT_LEFT,80);
m_list.InsertColumn(3, "物理",LVCFMT_LEFT,80);
m_list.InsertColumn(4, "英语",LVCFMT_LEFT,80);
m_list.InsertColumn(5, "总分",LVCFMT_LEFT,80);
//////列表框二
m_list2.SetExtendedStyle(LVS_EX_FULLROWSELECT | LVS_EX_GRIDLINES);
m_list2.InsertColumn(0, "学号",LVCFMT_LEFT,100);
m_list2.InsertColumn(1, "姓名",LVCFMT_LEFT,90);
m_list2.InsertColumn(2, "数学",LVCFMT_LEFT,80);
m_list2.InsertColumn(3, "物理",LVCFMT_LEFT,80);
m_list2.InsertColumn(4, "英语",LVCFMT_LEFT,80);
m_list2.InsertColumn(5, "总分",LVCFMT_LEFT,80);
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::OnOpen()
{
// TODO: Add your control notification handler code here
CStdioFile mfile;
CFileDialog dlg(TRUE);
CString filename;
dlg.m_ofn.lpstrTitle = "打开文件对话框";
dlg.m_ofn.lpstrFilter="Text Files(*.txt) \0*.txt\0All Files(*.*)\0 *.*\0\0";
if (IDOK == dlg.DoModal())
{
filename = dlg.GetFileName();
}
if (!mfile.Open(filename, CFile::modeCreate | CFile::modeNoTruncate | CFile::modeReadWrite))
{
MessageBox("未选择文件!", "提示");
return;
}
else
{
CString Roneline,temp1, temp2;
int i = 0;
CArray<CString, CString> strArray;
while (mfile.ReadString(Roneline))
{
temp1 = Roneline;
while (temp1.Find(" ") 1)
{
int length = temp1.Find(" ");
temp2 = temp1.Left(length);
strArray.Add(temp2);
temp1 = Roneline.Right(temp1.GetLength() - length -1 );
}
strArray.Add(temp1);
m_list.InsertItem(i, strArray.GetAt(0));
m_list.SetItemText(i, 1, strArray.GetAt(1));
m_list.SetItemText(i, 2, strArray.GetAt(2));
m_list.SetItemText(i, 3, strArray.GetAt(3));
m_list.SetItemText(i, 4, strArray.GetAt(4));
int math, phy,eng, TGoal;
CString temp;
math = atoi( strArray.GetAt(2));
phy = atoi( strArray.GetAt(3));
eng = atoi( strArray.GetAt(4));
TGoal = math eng phy;
temp.Format("%d", TGoal);
m_list.SetItemText(i, 5,temp);
temp.IsEmpty();
strArray.RemoveAll();
i ;
}
ListCount = i;
}
mfile.Close();
}
void CMyDlg::OnAdd()
{
// TODO: Add your control notification handler code here
CAddStuInfor dlg;
if ( dlg.DoModal() == IDOK)
{
UpdateData(TRUE);
if (dlg.m_Aid.IsEmpty() | dlg.m_Aname.IsEmpty())
{
MessageBox("请填写完整!", "提示");
return;
}
for (int i= 0; i < m_list.GetItemCount(); i )
{
m_Id=m_list.GetItemText(i,0);
m_Name=m_list.GetItemText(i,1);
if (m_Id == dlg.m_Aid || m_Name == dlg.m_Aname)
{
MessageBox("添加重复，请重新添加!", "提示");
return;
}
}
int count = m_list.GetItemCount();
CString temp;
m_list.InsertItem(count, dlg.m_Aid);
m_list.SetItemText(count, 1, dlg.m_Aname);
temp.Format("%f", dlg.m_Amath);
m_list.SetItemText(count, 2, temp);
temp.IsEmpty();
temp.Format("%f", dlg.m_Aphy);
m_list.SetItemText(count, 3, temp);
temp.IsEmpty();
temp.Format("%f", dlg.m_Aeng);
m_list.SetItemText(count, 4, temp);
temp.IsEmpty();
double total = dlg.m_Amath dlg.m_Aphy dlg.m_Aeng;
temp.Format("%f", total);
m_list.SetItemText(count, 5, temp);
temp.IsEmpty();
UpdateData(false);
MessageBox("添加成功！", "提示");
}
else return;
}
void CMyDlg::OnDelete()
{
// TODO: Add your control notification handler code here
CFindStuInfor dlg;
CString str, id, name;
bool B ;
B=false;
ChangeStuDate Cdlg;
if (dlg.DoModal() == IDCANCEL)
return;
for (int count = 0;count < m_list.GetItemCount(); count )
{
id=m_list.GetItemText(count,0);
name=m_list.GetItemText(count,1);
if (id == dlg.m_Ftemp || name == dlg.m_Ftemp)
{
Cdlg.m_Cname=name;
Cdlg.m_Cid=id;
Cdlg.m_Cmath=atof(m_list.GetItemText(count,2));
Cdlg.m_Cphy=atof(m_list.GetItemText(count,3));
Cdlg.m_Ceng=atof(m_list.GetItemText(count,4));
m_list.SetFocus();
m_list.SetItemState(count,LVIS_SELECTED,LVIS_SELECTED);
UpdateData(FALSE);
if(Cdlg.DoModal() == IDOK)
{
m_list.DeleteItem(count);
return;
}
else
{
B = true;
return;
}
}
}
if(B==false)
{
MessageBox("所查找的学生不存在！","提示");
return;
}
}
void CMyDlg::OnFind()
{
// TODO: Add your control notification handler code here
CFindStuInfor dlg;
CShowDetailStuInfor Ddlg;
bool B_value = false;
CString name, id, temp, str1,str2,str3;
int count;
UpdateData(TRUE);
if (dlg.DoModal() == IDCANCEL)
return;
for (count = 0;count < m_list.GetItemCount(); count )
{
UpdateData(TRUE);
id=m_list.GetItemText(count,0);
name=m_list.GetItemText(count,1);
if (id == dlg.m_Ftemp || name == dlg.m_Ftemp)
{
B_value = true;
Ddlg.m_Dname=name;
Ddlg.m_Did=id;
Ddlg.m_Dmath=atof(m_list.GetItemText(count,2));
Ddlg.m_Dphy=atof(m_list.GetItemText(count,3));
Ddlg.m_Deng=atof(m_list.GetItemText(count,4));
Ddlg.m_Daverage = (Ddlg.m_Dmath Ddlg.m_Dphy Ddlg.m_Deng)/3;
int i = m_list2.GetItemCount();
m_list2.InsertItem(i,id);
m_list2.SetItemText(i,1,name);
m_list2.SetItemText(i,2,m_list.GetItemText(count,2));
m_list2.SetItemText(i,3,m_list.GetItemText(count,3));
m_list2.SetItemText(i,4,m_list.GetItemText(count,4));
CString temp;
temp.Format("%f",atof(m_list.GetItemText(count,2)) atof(m_list.GetItemText(count,3)) atof(m_list.GetItemText(count,4)) );
m_list2.SetItemText(i,5,temp);
temp.IsEmpty();
m_list.SetFocus();
m_list.SetItemState(count,LVIS_SELECTED,LVIS_SELECTED);
m_list2.SetFocus();
m_list2.SetItemState(i,LVIS_SELECTED,LVIS_SELECTED);
m_list2.SetFocus();
m_list2.SetItemState(i,LVIS_SELECTED,LVIS_SELECTED);
m_list2.SetFocus();
m_list2.SetItemState(i,LVIS_SELECTED,LVIS_SELECTED);
Ddlg.DoModal();
return;
}
}
if(B_value==false)
MessageBox("所查找的学生不存在！","提示");
return;
}
void CMyDlg::OnSave()
{
// TODO: Add your control notification handler code here
CStdioFile file;
CFileDialog dlg(FALSE);
CString filepathname;
dlg.m_ofn.lpstrTitle="我的文件保存对话框";
dlg.m_ofn.lpstrFilter="Text Files(*.txt) \0*.txt\0All Files(*.*)\0 *.*\0\0";
dlg.m_ofn.lpstrDefExt="txt";
if(IDOK==dlg.DoModal())
{
filepathname = dlg.GetFileName();
}
if(file.Open(_T(filepathname),CFile::modeCreate|CFile::modeNoTruncate|CFile::modeReadWrite))
{
file.SeekToBegin();
CString sID,sName,sMath,sPhy,sEng,sSum,sOneline;
int i;
for(i=0;i<m_list .GetItemCount();i )
{
sID=m_list.GetItemText(i,0);
sName=m_list.GetItemText(i,1);
sMath=m_list.GetItemText(i,2);
sPhy=m_list.GetItemText(i,3);
sEng=m_list.GetItemText(i,4);
sSum=m_list.GetItemText(i,5);
sOneline=sID " " sName " " sMath " " sPhy " " sEng " " sSum '\n';
file.WriteString(sOneline);
sOneline.Empty();
}
file.Close();
MessageBox("保存成功！","提示");
}
else
{
MessageBox("保存失败！","提示");
}
}
void CMyDlg::OnChange()
{
// TODO: Add your control notification handler code here
CFindStuInfor dlg;
ChangeStuDate Cdlg;
bool B ;
B=false;
CString name,id,temp,str1,str2,str3;
if (dlg.DoModal() == IDCANCEL)
return;
for (int count = 0;count < m_list.GetItemCount(); count )
{
UpdateData(TRUE);
id=m_list.GetItemText(count,0);
name=m_list.GetItemText(count,1);
if (id == dlg.m_Ftemp || name == dlg.m_Ftemp)
{
Cdlg.m_Cname=name;
Cdlg.m_Cid=id;
Cdlg.m_Cmath=atof(m_list.GetItemText(count,2));
Cdlg.m_Cphy=atof(m_list.GetItemText(count,3));
Cdlg.m_Ceng=atof(m_list.GetItemText(count,4));
m_list.SetFocus();
m_list.SetItemState(count,LVIS_SELECTED,LVIS_SELECTED);
UpdateData(FALSE);
B = true;
if(Cdlg.DoModal() == IDOK)
{
UpdateData(TRUE);
str1.Format("%lf",Cdlg.m_Cmath);
str2.Format("%lf",Cdlg.m_Cphy);
str3.Format("%lf",Cdlg.m_Ceng);
UpdateData(FALSE);
m_list.DeleteItem(count);
m_list.InsertItem(count, Cdlg.m_Cid);
m_list.SetItemText(count, 1, Cdlg.m_Cname);
str1.Format("%f", Cdlg.m_Cmath);
m_list.SetItemText(count, 2, str1);
str2.Format("%f", Cdlg.m_Cphy);
m_list.SetItemText(count, 3, str2);
str3.Format("%f", Cdlg.m_Ceng);
m_list.SetItemText(count, 4, str3);
double total = Cdlg.m_Cmath Cdlg.m_Cphy Cdlg.m_Ceng;
CString temp;
temp.Format("%f", total);
m_list.SetItemText(count, 5, temp);
temp.IsEmpty();
}
}
if ( false == B)
{
MessageBox("要修改的信息不存在", "提示");
return;
}
}
}
void CMyDlg::OnSort()
{
// TODO: Add your control notification handler code here
MessageBox("请点击列表头进行排序","提示");
}
void CMyDlg::OnColumnclickList1(NMHDR* pNMHDR, LRESULT* pResult)
{
NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;
// TODO: Add your control notification handler code here
m_SortColumn = pNMListView->iSubItem;
int count = m_list.GetItemCount(); //行数
bool noswap;
int i,j;
CString temp;
B_UpOrDown=!B_UpOrDown ;//升序还是降序
if(!B_UpOrDown)
for(i=0;i<count;i )
{
noswap=true;
for(j=count-1;j>i;j--)
{
if(m_list.GetItemText(j,m_SortColumn)<m_list.GetItemText(j-1,m_SortColumn))
{
temp=m_list.GetItemText(j,0);
m_list.SetItemText(j,0, m_list.GetItemText(j-1,0));
m_list.SetItemText(j-1,0,temp);
temp.Empty();
temp=m_list.GetItemText(j,5);
m_list.SetItemText(j,5,m_list.GetItemText(j-1,5));
m_list.SetItemText(j-1,5,temp);
temp.Empty();
temp=m_list.GetItemText(j,4);
m_list.SetItemText(j,4,m_list.GetItemText(j-1,4));
m_list.SetItemText(j-1,4,temp);
temp.Empty();
temp=m_list.GetItemText(j,3);
m_list.SetItemText(j,3,m_list.GetItemText(j-1,3));
m_list.SetItemText(j-1,3,temp);
temp.Empty();
temp=m_list.GetItemText(j,2);
m_list.SetItemText(j,2,m_list.GetItemText(j-1,2));
m_list.SetItemText(j-1,2,temp);
temp.Empty();
temp=m_list.GetItemText(j,1);
m_list.SetItemText(j,1,m_list.GetItemText(j-1,1));
m_list.SetItemText(j-1,1,temp);
temp.Empty();
noswap=false;
}
}
if(noswap) break;
}
if(B_UpOrDown)
{
for(i=0;i<count;i )
{
noswap=true;
for(j=count-1;j>i;j--)
{
if(m_list.GetItemText(j,m_SortColumn)>m_list.GetItemText(j-1,m_SortColumn))
{
temp=m_list.GetItemText(j,0);
m_list.SetItemText(j,0,m_list.GetItemText(j-1,0));
m_list.SetItemText(j-1,0,temp);
temp.Empty();
temp=m_list.GetItemText(j,5);
m_list.SetItemText(j,5,m_list.GetItemText(j-1,5));
m_list.SetItemText(j-1,5,temp);
temp.Empty();
temp=m_list.GetItemText(j,4);
m_list.SetItemText(j,4,m_list.GetItemText(j-1,4));
m_list.SetItemText(j-1,4,temp);
temp.Empty();
temp=m_list.GetItemText(j,3);
m_list.SetItemText(j,3,m_list.GetItemText(j-1,3));
m_list.SetItemText(j-1,3,temp);
temp.Empty();
temp=m_list.GetItemText(j,2);
m_list.SetItemText(j,2,m_list.GetItemText(j-1,2));
m_list.SetItemText(j-1,2,temp);
temp.Empty();
temp=m_list.GetItemText(j,1);
m_list.SetItemText(j,1,m_list.GetItemText(j-1,1));
m_list.SetItemText(j-1,1,temp);
temp.Empty();
noswap=false;
}
}
if(noswap) break;
}
}
if(m_SortColumn == 2 || m_SortColumn == 3 || m_SortColumn == 4)
{
if(!B_UpOrDown)
for(i = 0; i < count; i )
{
noswap=true;
for(j = count - 1 ;j > i; j --)
{
if(atof(m_list.GetItemText(j,m_SortColumn)) < atof(m_list.GetItemText(j-1, m_SortColumn)) )
{
temp=m_list.GetItemText(j,0);
m_list.SetItemText(j,0,m_list.GetItemText(j-1,0));
m_list.SetItemText(j-1,0,temp);
temp.Empty();
temp=m_list.GetItemText(j,5);
m_list.SetItemText(j,5,m_list.GetItemText(j-1,5));
m_list.SetItemText(j-1,5,temp);
temp.Empty();
temp=m_list.GetItemText(j,4);
m_list.SetItemText(j,4,m_list.GetItemText(j-1,4));
m_list.SetItemText(j-1,4,temp);
temp.Empty();
temp=m_list.GetItemText(j,3);
m_list.SetItemText(j,3,m_list.GetItemText(j-1,3));
m_list.SetItemText(j-1,3,temp);
temp.Empty();
temp=m_list.GetItemText(j,2);
m_list.SetItemText(j,2,m_list.GetItemText(j-1,2));
m_list.SetItemText(j-1,2,temp);
temp.Empty();
temp=m_list.GetItemText(j,1);
m_list.SetItemText(j,1,m_list.GetItemText(j-1,1));
m_list.SetItemText(j-1,1,temp);
temp.Empty();
noswap=false;
}
}
if(noswap) break;
}
if(B_UpOrDown)
{
for(i=0;i<count;i )
{
noswap=true;
for(j=count-1;j>i;j--)
{
if(atof(m_list.GetItemText(j,m_SortColumn))>atof(m_list.GetItemText(j-1,m_SortColumn)))
{
temp=m_list.GetItemText(j,0);
m_list.SetItemText(j,0,m_list.GetItemText(j-1,0));
m_list.SetItemText(j-1,0,temp);
temp.Empty();
temp=m_list.GetItemText(j,5);
m_list.SetItemText(j,5,m_list.GetItemText(j-1,5));
m_list.SetItemText(j-1,5,temp);
temp.Empty();
temp=m_list.GetItemText(j,4);
m_list.SetItemText(j,4,m_list.GetItemText(j-1,4));
m_list.SetItemText(j-1,4,temp);
temp.Empty();
temp=m_list.GetItemText(j,3);
m_list.SetItemText(j,3,m_list.GetItemText(j-1,3));
m_list.SetItemText(j-1,3,temp);
temp.Empty();
temp=m_list.GetItemText(j,2);
m_list.SetItemText(j,2,m_list.GetItemText(j-1,2));
m_list.SetItemText(j-1,2,temp);
temp.Empty();
temp=m_list.GetItemText(j,1);
m_list.SetItemText(j,1,m_list.GetItemText(j-1,1));
m_list.SetItemText(j-1,1,temp);
temp.Empty();
noswap=false;
}
}
if(noswap) break;
}
}
}
*pResult = 0;
}
void CMyDlg::OnAnalysis()
{
// TODO: Add your control notification handler code here
m_list2.DeleteAllItems();
double total1=0, total2=0, total3=0;
double j = 0;
double FangCha1=0,FangCha2=0,FangCha3=0;
double Average1=0, Average2=0, Average3=0, Average4 = 0;
CString temp,str1,str2,str3, str;
str1 = "各科总分";
str2 = "各科平均分";
str3 = "各科方差";
int i = m_list.GetItemCount();
for (int count = 0; count < m_list.GetItemCount();count )
{
//id=m_list.GetItemText(count,0);
total1 = atof(m_list.GetItemText(count,2));
total2 =atof(m_list.GetItemText(count,3));
total3 =atof(m_list.GetItemText(count,4));
Average4 = ( atof(m_list.GetItemText(count,2)) atof(m_list.GetItemText(count,3)) atof(m_list.GetItemText(count,4)) )*(atof(m_list.GetItemText(count,2)) atof(m_list.GetItemText(count,3)) atof(m_list.GetItemText(count,4))) ;
Average1 =atof(m_list.GetItemText(count,2))*atof(m_list.GetItemText(count,2));
Average2 =atof(m_list.GetItemText(count,3))*atof(m_list.GetItemText(count,3));
Average3 =atof(m_list.GetItemText(count,4))*atof(m_list.GetItemText(count,4));
}
UpdateData(TRUE);
m_list2.InsertItem(0,str1);
temp.Format("%f",total1);
m_list2.SetItemText(0, 2,temp );
temp.IsEmpty();
temp.Format("%f",total2);
m_list2.SetItemText(0, 3, temp);
temp.IsEmpty();
temp.Format("%f",total3);
m_list2.SetItemText(0, 4, temp);
temp.IsEmpty();
temp.Format("%f",total3 total2 total1);
m_list2.SetItemText(0, 5, temp);
temp.IsEmpty();
//平均分
UpdateData(TRUE);
m_list2.InsertItem(1,str2);
temp.Format("%f",total1/i);
m_list2.SetItemText(1, 2,temp );
temp.IsEmpty();
temp.Format("%f",total2 / i);
m_list2.SetItemText(1, 3, temp);
temp.IsEmpty();
temp.Format("%f",total3/i);
m_list2.SetItemText(1, 4, temp);
temp.IsEmpty();
temp.Format("%f",(total3 total2 total1)/i);
m_list2.SetItemText(1, 5, temp);
temp.IsEmpty();
UpdateData(FALSE);
///方差
UpdateData(TRUE);
m_list2.InsertItem(2,str3);
temp.Format("%f",( Average1 - (total1 * total1) / i ) /i );
m_list2.SetItemText(2, 2,temp );
temp.IsEmpty();
temp.Format("%f",( Average2-total2*total2/i)/i);
m_list2.SetItemText(2, 3, temp);
temp.IsEmpty();
temp.Format("%f",(Average3-total3*total3/i)/i);
m_list2.SetItemText(2, 4, temp);
temp.IsEmpty();
temp.Format("%f",( Average4-(total1 total2 total3)*(total1 total2 total3 )/i)/i);
m_list2.SetItemText(2, 5, temp);
temp.IsEmpty();
UpdateData(FALSE);
///不及格人数////
int temp1 = 0, temp2 = 0, temp3 = 0;
for ( count = 0; count < m_list.GetItemCount();count )
{
if ( atof(m_list.GetItemText(count,2)) < 60 )
{
temp1 = 1;
}
}
int h = 0;
for ( count = 0; count < m_list.GetItemCount();count )
{
if ( atof(m_list.GetItemText(count,3)) < 60 )
{
temp2 = 1;
}
}
for ( count = 0; count < m_list.GetItemCount();count )
{
if ( atof(m_list.GetItemText(count,4)) < 60 )
{
temp3 = 1;
}
}
str = "各科不及格人数";
m_list2.InsertItem(3,str);
temp.Format("%d",temp1 );
m_list2.SetItemText(3, 2 , temp);
temp.IsEmpty();
str.IsEmpty();
temp.Format("%d",temp2 );
m_list2.SetItemText(3, 3 , temp);
temp.IsEmpty();
temp.Format("%d",temp3 );
m_list2.SetItemText(3, 4 , temp);
temp.IsEmpty();
str = "各科及格人数";
m_list2.InsertItem(4,str);
temp.Format("%d",i - temp1 );
m_list2.SetItemText(4, 2 , temp);
temp.IsEmpty();
str.IsEmpty();
temp.Format("%d",i - temp2 );
m_list2.SetItemText(4, 3 , temp);
temp.IsEmpty();
temp.Format("%d",i - temp3 );
m_list2.SetItemText(4, 4 , temp);
temp.IsEmpty();
str = "总人数";
m_list2.InsertItem(5,str);
temp.Format("%d",i );
m_list2.SetItemText(5, 1 , temp);
temp.IsEmpty();
str.IsEmpty();
UpdateData(FALSE);
m_list2.SetFocus();
m_list2.SetItemState(0,LVIS_SELECTED,LVIS_SELECTED);
m_list2.SetFocus();
m_list2.SetItemState(1,LVIS_SELECTED,LVIS_SELECTED);
m_list2.SetFocus();
m_list2.SetItemState(2,LVIS_SELECTED,LVIS_SELECTED);
m_list2.SetFocus();
m_list2.SetItemState(3,LVIS_SELECTED,LVIS_SELECTED);
m_list2.SetFocus();
m_list2.SetItemState(4,LVIS_SELECTED,LVIS_SELECTED);
}
void CMyDlg::OnClearall()
{
// TODO: Add your control notification handler code here
m_list.DeleteAllItems();
}
void CMyDlg::OnMohufind()
{
// TODO: Add your control notification handler code here
m_list2.DeleteAllItems();
string strTempName,strListName,strTempID,strListID;
bool B_value=false;
CMfindstuinfor dlg;
if(dlg.DoModal()==IDOK)
{
for(int i=0; i <=m_list.GetItemCount();i )
{
strListName=m_list.GetItemText(i,1);
strListID=m_list.GetItemText(i,0);
if(strListName.find(dlg.m_Ptemp)!=string::npos || strListID.find(dlg.m_Ptemp)!=string::npos)
{
m_list.SetFocus();
m_list.SetItemState(i,LVIS_SELECTED,LVIS_SELECTED);
UpdateData(TRUE);
int count = m_list2.GetItemCount();
m_list2.InsertItem(count, m_list.GetItemText(i,0) );
m_list2.SetItemText(count, 1, m_list.GetItemText(i,1));
m_list2.SetItemText(count, 2, m_list.GetItemText(i,2));
m_list2.SetItemText(count, 3, m_list.GetItemText(i,3));
m_list2.SetItemText(count, 4, m_list.GetItemText(i,4));
m_list2.SetItemText(count, 5, m_list.GetItemText(i,5));
UpdateData(FALSE);
B_value=true;
}
}
if(B_value==false)
MessageBox("所查找的学生不存在！","提示");
}
}
void CMyDlg::OnClear1()
{
// TODO: Add your control notification handler code here
m_list2.DeleteAllItems();
}
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