RT:做的小程序GPA计算器，添加组合框控件时，发现不好加选择的选项，
另外在列表框输出时，位置弄错。
现提供代码如下，请高手帮忙看看。小弟先谢谢了。
PS:如有疑问可QQ询问。
附：
代码：
/ /Gelong1Dlg.cpp : implementation file
//
#include "stdafx.h"
#include "Gelong1.h"
#include "Gelong1Dlg.h"
#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()
/////////////////////////////////////////////////////////////////////////////
// CGelong1Dlg dialog
CGelong1Dlg::CGelong1Dlg(CWnd* pParent )
: CDialog(CGelong1Dlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CGelong1Dlg)
m_sPathName = _T("");
m_dS1 = 0.0;
m_dS2 = 0.0;
m_dS3 = 0.0;
m_dS4 = 0.0;
m_dS5 = 0.0;
m_dS6 = 0.0;
m_dS7 = 0.0;
m_dTotal = 0.0;
m_dO1 = 0.0;
m_dO2 = 0.0;
m_dO3 = 0.0;
m_dO4 = 0.0;
m_dO5 = 0.0;
m_dO6 = 0.0;
m_dO7 = 0.0;
m_dO8 = 0.0;
m_strGPA = _T("");
m_strAverage = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CGelong1Dlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CGelong1Dlg)
DDX_Control(pDX, IDC_COMBO_STANDARD, m_cmbStandard);
DDX_Control(pDX, IDC_LIST_SCORE, m_ListScore);
DDX_Text(pDX, IDC_EDIT_PATHNAME, m_sPathName);
DDX_Text(pDX, IDC_EDIT_S1, m_dS1);
DDX_Text(pDX, IDC_EDIT_S2, m_dS2);
DDX_Text(pDX, IDC_EDIT_S3, m_dS3);
DDX_Text(pDX, IDC_EDIT_S4, m_dS4);
DDX_Text(pDX, IDC_EDIT_S5, m_dS5);
DDX_Text(pDX, IDC_EDIT_S6, m_dS6);
DDX_Text(pDX, IDC_EDIT_S7, m_dS7);
DDX_Text(pDX, IDC_EDIT_TOTAL, m_dTotal);
DDX_Text(pDX, IDC_EDIT_O1, m_dO1);
DDX_Text(pDX, IDC_EDIT_O2, m_dO2);
DDX_Text(pDX, IDC_EDIT_O3, m_dO3);
DDX_Text(pDX, IDC_EDIT_O4, m_dO4);
DDX_Text(pDX, IDC_EDIT_O5, m_dO5);
DDX_Text(pDX, IDC_EDIT_O6, m_dO6);
DDX_Text(pDX, IDC_EDIT_O7, m_dO7);
DDX_Text(pDX, IDC_EDIT_O8, m_dO8);
DDX_Text(pDX, IDC_EDIT_GPA, m_strGPA);
DDX_Text(pDX, IDC_EDIT_AVERAGE, m_strAverage);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CGelong1Dlg, CDialog)
//{{AFX_MSG_MAP(CGelong1Dlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON_OPEN, OnButtonOpen)
ON_CBN_EDITCHANGE(IDC_COMBO_STANDARD, OnSelchangeComboStandard)
ON_BN_CLICKED(IDC_BUTTON_OK, OnButtonOk)
ON_LBN_SELCHANGE(IDC_LIST_SCORE, OnSelchangeListScore)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CGelong1Dlg message handlers
BOOL CGelong1Dlg::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
return TRUE; // return TRUE unless you set the focus to a control
}
void CGelong1Dlg::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 CGelong1Dlg::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 CGelong1Dlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
double CGelong1Dlg::GetSDPoint(double dPoint)
{
int i;
UpdateData();
CArray<double, double&> arOPoint;
CArray<double, double&> arSPoint;
arOPoint.Add(m_dO1);
arOPoint.Add(m_dO2);
arOPoint.Add(m_dO3);
arOPoint.Add(m_dO4);
arOPoint.Add(m_dO5);
arOPoint.Add(m_dO6);
arOPoint.Add(m_dO7);
arOPoint.Add(m_dO8);
arSPoint.Add(m_dS1);
arSPoint.Add(m_dS2);
arSPoint.Add(m_dS3);
arSPoint.Add(m_dS4);
arSPoint.Add(m_dS5);
arSPoint.Add(m_dS6);
arSPoint.Add(m_dS7);
if(dPoint>=arOPoint[0])
return arSPoint[0];
for(i=0;i<arOPoint.GetSize();i++)
{
if(dPoint>=arOPoint[i])
return arSPoint[i-1];
}
return 0;
}
void CGelong1Dlg::SpliterString(CString str, double &a, double &b)
{
CString strOne,strTwo;
int ifind;
str.TrimLeft(' ');
str.TrimRight(' ');
ifind = str.Find(' ');
strOne = str.Left(ifind);
strTwo = str.Right(str.GetLength()-ifind-1);
a = atof(LPCTSTR(strOne));
b = atof(LPCTSTR(strTwo));
}
void CGelong1Dlg::GetherData()
{
CString str;
stScore temp;
if(m_sPathName=="")
return ;
arScore.RemoveAll();
CFile file(m_sPathName,CFile::modeRead);
CArchive ar(&file,CArchive::load);
ar.ReadString(str);
while(str!="")
{
SpliterString(str,temp.dOPoint,temp.dNum);
temp.dSPoint = GetSDPoint(temp.dOPoint);
arScore.Add(temp);
ar.ReadString(str);
};
}
void CGelong1Dlg::SetEditRead(bool bReadOnly)
{
((CEdit *) GetDlgItem(IDC_EDIT_S1))->SetReadOnly(bReadOnly);
((CEdit *) GetDlgItem(IDC_EDIT_S2))->SetReadOnly(bReadOnly);
((CEdit *) GetDlgItem(IDC_EDIT_S3))->SetReadOnly(bReadOnly);
((CEdit *) GetDlgItem(IDC_EDIT_S4))->SetReadOnly(bReadOnly);
((CEdit *) GetDlgItem(IDC_EDIT_S5))->SetReadOnly(bReadOnly);
((CEdit *) GetDlgItem(IDC_EDIT_S6))->SetReadOnly(bReadOnly);
((CEdit *) GetDlgItem(IDC_EDIT_S7))->SetReadOnly(bReadOnly);
((CEdit *) GetDlgItem(IDC_EDIT_O1))->SetReadOnly(bReadOnly);
((CEdit *) GetDlgItem(IDC_EDIT_O2))->SetReadOnly(bReadOnly);
((CEdit *) GetDlgItem(IDC_EDIT_O3))->SetReadOnly(bReadOnly);
((CEdit *) GetDlgItem(IDC_EDIT_O4))->SetReadOnly(bReadOnly);
((CEdit *) GetDlgItem(IDC_EDIT_O5))->SetReadOnly(bReadOnly);
((CEdit *) GetDlgItem(IDC_EDIT_O6))->SetReadOnly(bReadOnly);
((CEdit *) GetDlgItem(IDC_EDIT_O7))->SetReadOnly(bReadOnly);
((CEdit *) GetDlgItem(IDC_EDIT_O8))->SetReadOnly(bReadOnly);
}
void CGelong1Dlg::OnButtonOpen()
{
// TODO: Add your control notification handler code here
CFileDialog fdlg(true,NULL,NULL,OFN_OVERWRITEPROMPT,
"成绩文件|*.dat;*.txt|",NULL);
if(fdlg.DoModal()==IDOK)
{
m_sPathName = fdlg.GetPathName();
}
UpdateData(FALSE);
}
void CGelong1Dlg::OnSelchangeComboStandard()
{
// TODO: Add your control notification handler code here
int nIndex = m_cmbStandard.GetCurSel();
if(4==nIndex)
SetEditRead(FALSE);
else
SetEditRead(TRUE);
ChangeType(nIndex);
UpdateData(FALSE);
}
void CGelong1Dlg::OnButtonOk()
{
// TODO: Add your control notification handler code here
double dGPAall=0;
double dAvgall=0;
GetherData();
int i=0;
int size = arScore.GetSize();
if(size == 0)
{
return ;
}
m_ListScore.ResetContent();
m_ListScore.AddString("序号 成绩 学分 标准");
m_ListScore.AddString("------------------------------");
m_dTotal=0;
while(i<size)
{
CString str;
m_dTotal+=arScore.GetAt(i).dNum;
dGPAall+=arScore.GetAt(i).dSPoint*arScore.GetAt(i).dNum;
dAvgall+=arScore.GetAt(i).dOPoint*arScore.GetAt(i).dNum;
str.Format("%d %0.2f %0.2f %0.2f",i+1,
arScore.GetAt(i).dOPoint,
arScore.GetAt(i).dNum,
arScore.GetAt(i).dSPoint);
i++;
m_ListScore.AddString(str);
}
m_strGPA.Format("%.2f",dGPAall/m_dTotal);
m_strAverage.Format("%.2f",dAvgall/m_dTotal);
UpdateData(FALSE);
}
void CGelong1Dlg::ChangeType(int nType)
{
switch(nType)
{
case 0:
case 4:
m_dS1=m_dS2=m_dS3=m_dS4=m_dS5=m_dS6=m_dS7=0;
m_dO1=m_dO2=m_dO3=m_dO4=m_dO5=m_dO6=m_dO7=m_dO8=0;
break;
case 1:
m_dS1=4;
m_dS2=3;
m_dS3=2;
m_dS4=1;
m_dS5=m_dS6=m_dS7=0;
m_dO1=100;
m_dO2=90;
m_dO3=80;
m_dO4=70;
m_dO5=60;
m_dO6=m_dO7=m_dO8=0;
break;
case 2:
m_dS1=4.3;
m_dS2=4;
m_dS3=3.7;
m_dS4=3.3;
m_dS5=3.0;
m_dS6=2.7;
m_dS7=2.3;
m_dO1=100;
m_dO2=90;
m_dO3=85;
m_dO4=80;
m_dO5=75;
m_dO6=70;
m_dO7=65;
m_dO8=60;
break;
case 3:
m_dS1=4;
m_dS2=3;
m_dS3=2;
m_dS4=m_dS5=m_dS6=m_dS7=0;
m_dO1=100;
m_dO2=85;
m_dO3=70;
m_dO4=60;
m_dO5=m_dO6=m_dO7=m_dO8=0;
break;
}
}
void CGelong1Dlg::OnSelchangeListScore()
{
// TODO: Add your control notification handler code here
}
截图：
文件载入格式：
<空格>课程成绩<空格>学分数<空格>(txt格式)