Tài liệu ÔN TẬP BÀI TẬP THỰC HÀNH LẬP TRÌNH doc

double thuc; double ao; public: //phuong thuc cap nhat du lieu void SetComplexdouble t,double a; //nguyen mau phuong thuc tra ve phan thuc double GetThuc; //nguyen phuong thuc tra ve pha

ÔN TẬP BÀI TẬP THỰC HÀNH

LẬP TRÌNH WINDOW

******************************************************

Bài 1:

IDC_EDIT_A

IDC_EDIT_B

IDC_STATIC_KETQUA

IDC_BUTTON_TINH chọn BN_CLICKED

IDC_RADIO_CONG

Chọn Group

Radio Button

Group Box chọn Tab stop

void CBai1_1Dlg::OnButtonTinh()

{

UpdateData (true);

float kq;

switch (m_pheptinh)

{

case 0:

kq=m_a + m_b; break;

case 1:

kq=m_a - m_b; break;

case 2:

kq=m_a * m_b; break;

case 3:

kq=m_a / m_b; break;

}

m_ketqua.Format ("%0.0f",kq);

UpdateData (false);

}

Bài 2:

IDC_EDIT_NHAP

IDC_LIST

IDC_BUTTON_PHAI chọn BN_CLICKED IDC_BUTTON_TRAI chọn

BN_CLICKED IDC_BUTTON_NHAP chọn BN_CLICKED

void CBai1_2Dlg::OnButtonNhap() {

UpdateData (true);

m_list1.AddString (m_nhap);

m_nhap.Empty ();

UpdateData(false);

}

******************************************************

void CBai1_2Dlg::OnButtonPhai() //click button chuyen du lieu qua phai {

UpdateData (true);

CString s;

int i;

i=m_list1.GetCurSel ();

m_list1.GetText (i,s);

m_list2.AddString (s);

m_list1.DeleteString(i);

UpdateData (false);

}

******************************************************

void CBai1_2Dlg::OnButtonTrai() //click button chuyen du lieu qua trai {

int j,i,tong;

CString s;

//thuc hien viec chuyen cac gia tri duoc chon qua list1 tong=m_list2.GetCount ();//tinh tong cac dong trong listcontrol

for (j=0;j<tong;j++ )

{

if (m_list2.GetSel(j)==1) {

m_list2.GetText (j,s);

m_list1.AddString (s);

m_list2.DeleteString (j);

} }

//thuc hien xoa cac gia tri bi chuyen trong list2

tong=m_list2.GetCount ();

for (i=0;i<tong;i++ )

{

if (m_list2.GetSel(i)==1) {

m_list2.DeleteString (i);

} }

}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

Bài 3:

IDC_COMBO1 chọn:

à CBN_SELCHANGE

à CBN_SELENDOK

IDC_STATIC_1 chọn Group

Group Box

Vào ComboBox chuột phải chọn Properties à

Data: nhập dữ liệu vào (chọn Ctrl+Enter để xuống

hàng)

Trong thẻ General à Type:

+ DropDown: cho phép lựa chọn + nhập dữ liệu + DropList: không nhập được dữ liệu

+ Simple: hiển thị giống listbox

void CBai1_4Dlg::OnSelendokCombo1() {

UpdateData (true);

m_ketqua.Empty ();

int i=m_combo.GetCurSel ();

CString s,s1,s2;

m_combo.GetLBText (i,s);

int gt=i+1,tinh;

for(int j=1;j<=10;j++) {

tinh=gt*j;

s1.Format ("%.0d",j);

s2.Format ("%.0d",tinh);

m_ketqua=m_ketqua + s +" x "+ s1 +"= "+ s2 +"\n";

}

UpdateData (false);

}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

Bài 4:

IDC_EDIT_at IDC_EDIT_bt IDC_EDIT_kqt

IDC_EDIT_a a IDC_EDIT_b a IDC_EDIT_kqa

IDC_RADIO_CONG chọn

Group

IDC_BUTTON_TINH chọn BN_CLICKED

Group Box chọn Tab stop

Bài này chúng ta phải khai báo thêm lớp COMPLEX

Insert à New Class à - ClassType: Generic Class

- Name: COMPLEX

- FileName: COMPLEX.cpp

- Base class(es): + Derived From: CObject

+ As: public

******************************************************

COMPLEX.h

class COMPLEX : public CObject {

protected:

double thuc;

double ao;

public:

//phuong thuc cap nhat du lieu

void SetComplex(double t,double a);

//nguyen mau phuong thuc tra ve phan thuc

double GetThuc();

//nguyen phuong thuc tra ve phan ao

double GetAo();

//nguyen mau phuong thuc cong hai so phuc

COMPLEX cong(COMPLEX z);

//nguyen mau phuong thuc tru hai so phuc

COMPLEX tru(COMPLEX z);

//nguyen mau phuong thuc nhan hai so phuc

COMPLEX nhan(COMPLEX z);

//nguyen mau phuong thuc chia hai so phuc

COMPLEX chia(COMPLEX z);

//nguyen mau ham tao hai tham so

COMPLEX(double t,double a);

//nguyen mau ham tao khong tham so

COMPLEX();

//nguyen mau ham huy

virtual ~COMPLEX();

//nguyen mau ham tao sao chep

COMPLEX(COMPLEX& z);

//nguyen mau phuong thuc toan tu +

COMPLEX operator +(COMPLEX z);

//nguyen mau phuong thuc toan tu -

COMPLEX operator -(COMPLEX z);

//nguyen mau phuong thuc toan tu *

COMPLEX operator *(COMPLEX z);

//nguyen mau phuong thuc toan tu /

COMPLEX operator /(COMPLEX z);

//nguyen mau phuong thuc toan tu =

COMPLEX& operator =(COMPLEX& z);

};

******************************************************

COMPLEX.cpp

//dinh nghia phuong thuc toan tu =

COMPLEX& COMPLEX::operator =(COMPLEX& z)

{

thuc=z.thuc;

ao=z.ao;

return *this;

} //dinh nghia phuong thuc toan tu + COMPLEX COMPLEX::operator +(COMPLEX z) {

COMPLEX t(thuc+z.thuc,ao+z.ao); return t;

} //dinh nghia phuong thuc toan tu - COMPLEX COMPLEX::operator -(COMPLEX z) {

COMPLEX t(thuc-z.thuc,ao-z.ao); return t;

} //dinh nghia phuong thuc toan tu * COMPLEX COMPLEX::operator *(COMPLEX z) {

COMPLEX t(thuc*z.thuc,ao*z.ao); return t;

} //dinh nghia phuong thuc toan tu / COMPLEX COMPLEX::operator /(COMPLEX z) {

COMPLEX t(thuc/z.thuc,ao/z.ao); return t;

} //dinh nghia ham tao sao chep COMPLEX::COMPLEX(COMPLEX& z) {

thuc=z.thuc;

ao=z.ao;

} //dinh nghia ham huy COMPLEX::~COMPLEX() {

} //dinh nghia ham tao khong tham so COMPLEX::COMPLEX()

{

thuc=0;

ao=0;

} //dinh nghia ham tao hai tham so COMPLEX::COMPLEX(double t,double a)

{

thuc=t;

ao=a;

}

//dinh nghia phuong thuc cong hai so phuc

COMPLEX COMPLEX::cong(COMPLEX z)

{

COMPLEX t;

t.thuc=thuc+z.thuc;

t.ao=ao+z.ao;

return t;

}

//dinh nghia phuong thuc tru hai so phuc

COMPLEX COMPLEX::tru(COMPLEX z)

{

COMPLEX t;

t.thuc=thuc-z.thuc;

t.ao=ao-z.ao;

return t;

}

//dinh nghia phuong thuc nhan hai so phuc

COMPLEX COMPLEX::nhan(COMPLEX z)

{

COMPLEX t;

t.thuc=thuc*z.thuc;

t.ao=ao*z.ao;

return t;

}

//dinh nghia phuong thuc chia hai so phuc

COMPLEX COMPLEX::chia(COMPLEX z)

{

COMPLEX t;

t.thuc=thuc/z.thuc;

t.ao=ao/z.ao;

return t;

}

//dinh nghia phuong thuc cap nhat du lieu

void COMPLEX::SetComplex(double t,double a)

{

//this->thuc=t;

//this->ao=a;

thuc=t;

ao=a;

}

//dinh nghia phuong thuc tra ve phan thuc double COMPLEX::GetThuc()

{

return thuc;

} double COMPLEX::GetAo() {

return ao;

}

******************************************************

Viết trong Dialog chính.cpp oid CBai2Dlg::OnButtonTinh() {

COMPLEX a,b,kq;

UpdateData(true);

a.SetComplex(m_a_thuc,m_a_ao);

b.SetComplex(m_b_thuc,m_b_ao);

switch (m_pheptinh) {

case 0:

kq=a+b; break;

case 1:

kq=a-b; break;

case 2:

kq= a*b; break;

case 3:

kq=a/b; break;

} m_ketqua_thuc=kq.GetThuc();

m_ketqua_ao=kq.GetAo();

UpdateData(false);

}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Cách tạo môt ứng dụng trong Microsoft Visual C++

File à New àXuất hiện cửa sổ New, ta chọn thẻ Projects, sau đó chọn đủ 3 bước sau:

B1: Chọn MFC AppWizard(exe) B2: Xác định thư mục chứa ứng dụng trong mục Location B3: Đặt tên cho ứng dụng trong mục Project Name àXuất hiện cửa sổ MFC AppWizard àChọn Dialog Based

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

Bài 5:

Tương tự như bài 4 chúng ta cũng khai báo thêm lớp COMPLEX

Viết trong Dialog chính.cpp

void CBai3Dlg::OnButtonNhap()

{

UpdateData(true);

COMPLEX* p;

p=new COMPLEX(m_thuc,m_ao);

ds.Add(p);

m_list1.AddString(p->Print());

}

void CBai3Dlg::OnButtonCong()

{

COMPLEX* p;

COMPLEX s;

for(int i=0;i<ds.GetSize();i++)

{

p=(COMPLEX*)ds.GetAt(i);

s=s+(*p);

}

m_static_cong=s.Print();

UpdateData(false);

}

IDC_STATIC_CONG

IDC_LIST1

IDC_BUTTON_NHAP chọn BN_CLICKED

IDC_BUTTON_CONG chọn BN_CLICKED List Box chọn

tap stop

Bài 6:

Editbox

Các nút nhớ add BN_CLICKED

Group Box

List Box chọn Tap stop

Khai báo thêm lớp RATIO:

RATIO.h

class RATIO : public CObject {

private:

int tuso;

int mauso;

public:

virtual ~RATIO(); // ham huy // ham tao

RATIO();

RATIO(int a,int b);

RATIO(RATIO& c); // ham tao sao chep

void SetPhanSo(int a, int b); // gan gia tri phan so // tra ve tu so va mau so

int GetTu();

int GetMau();

// nguyen mau cac toan tu ket hop, co ban, so sach

RATIO operator=(RATIO a);

RATIO operator+(RATIO a);

RATIO operator-(RATIO a);

RATIO operator*(RATIO a);

RATIO operator/(RATIO a);

RATIO operator+=(RATIO a);

RATIO operator-=(RATIO a);

RATIO operator*=(RATIO a);

RATIO operator/=(RATIO a);

bool operator==(RATIO a);

bool operator>(RATIO a);

bool operator>=(RATIO a);

// ham rut gon phan so:

RATIO Reduce(RATIO a);

CString Print();

};

*************************************************************

RATIO.cpp

ATIO::RATIO()

{

tuso=mauso=0;

}

RATIO::RATIO(int a,int b)

{

tuso=a;

mauso=b;

}

RATIO::RATIO(RATIO& c)

{

tuso=c.tuso;

mauso=c.mauso;

}

RATIO:: ~RATIO()

{

}

void RATIO::SetPhanSo(int a, int b)

{

tuso=a;

mauso=b;

}

int RATIO::GetTu()

{

return tuso;

}

int RATIO::GetMau()

{

return mauso;

} RATIO RATIO::operator=(RATIO a) {

tuso=a.tuso;

mauso=a.mauso;

return *this;

} RATIO RATIO::operator+(RATIO a) {

tuso=tuso*a.mauso+a.tuso*mauso; mauso=mauso*a.mauso;

return Reduce(*this);

} RATIO RATIO::operator-(RATIO a) {

tuso=tuso*a.mauso-a.tuso*mauso; mauso=mauso*a.mauso;

return Reduce(*this);

} RATIO RATIO::operator*(RATIO a) {

tuso=tuso*a.tuso;

mauso=mauso*a.mauso;

return Reduce(*this);

} RATIO RATIO::operator/(RATIO a) {

tuso=tuso*a.mauso;

mauso=mauso*a.tuso;

return Reduce(*this);

} RATIO RATIO::operator+=(RATIO a) {

*this=a+(*this);

return *this;

} RATIO RATIO::operator-=(RATIO a) {

*this=a-(*this);

return *this;

} RATIO RATIO::operator*=(RATIO a) {

*this=a*(*this);

return *this;

}

RATIO RATIO::operator/=(RATIO a)

{

*this=a/(*this);

return *this;

}

bool RATIO::operator==(RATIO a)

{

RATIO b;

b= Reduce(*this);

a=Reduce(a);

if((a.tuso=b.tuso)&&(a.mauso=b.mauso))

return true;

return false;

}

bool RATIO::operator>(RATIO a)

{

if((((double)tuso/(double)mauso)-((double)a.tuso/(double)a.mauso))>0)

return true;

return false;

}

bool RATIO::operator>=(RATIO a)

{

if(((double)tuso/(double)mauso)>=((double)tuso/(double)mauso))

return true;

return false;

}

RATIO RATIO::Reduce(RATIO p)

{

int a=abs(p.tuso);

int b=abs(p.mauso);

while(a!=b)

{

if(a>b)

a-=b;

else

b-=a;

}

p.tuso=p.tuso/a;

p.mauso=p.mauso/a;

return p;

}

CString RATIO::Print() {

CString s_tuso,s_mauso,s;

if(tuso>0) {

s_tuso.Format("%d",tuso);

s_mauso.Format("%d",mauso);

s=s_tuso +"/"+s_mauso;

} else {

s_tuso.Format("%d",tuso);

s_mauso.Format("%d",mauso);

s="-"+s_tuso +"/"+s_mauso;

} return s;

}

******************************************************

Viết trong dialog chính cpp

void CBaitapTH_5_PhansoDlg::OnButton1() {

UpdateData(true);

RATIO* p;

p=new RATIO(m_tuso,m_mauso);

ds.Add(p);

m_list.AddString(p->Print());

UpdateData(false);

} void CBaitapTH_5_PhansoDlg::OnButton2() {

UpdateData(true);

if(ds.GetSize()==0) {

MessageBox("Ko co phan tu nao de tin kiem !","Thong bao"); }

else { RATIO* p;

RATIO s=(*(RATIO*)ds.GetAt(0));

for(int i =0;i<ds.GetSize();i++) {

p=(RATIO*)ds.GetAt(i);

if(s>(*p))

s=(*p);

}

m_kq_tuso=s.GetTu();

m_kq_mauso = s.GetMau();

UpdateData(false);

}

}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

Bài 7:

IDC_STATIC_CHUCHAY

IDC_CHECK1 chọn BN_CLICKED

Viết trong BOOL CBai1_3Dlg::OnInitDialog()

UpdateData (true);

m_chuchay="- DOC LAP - TU DO - HANH PHUC ";

i=1;

UpdateData (false);

******************************************************

void CBai1_3Dlg::OnCheck1()

{

UpdateData (true);

if(m_check)

{

SetTimer (1,100,NULL);

}

else

{

KillTimer (1);

}

UpdateData (false);

}

void CBai1_3Dlg::OnTimer(UINT nIDEvent)

{

UpdateData (true);

switch(nIDEvent )

{

case 1:

int dodai;

CString s,s1,s2;

s=m_chuchay;

dodai=s.GetLength ();

s1=m_chuchay.Left (dodai-1);

s2=m_chuchay.Right (1);

s.Replace (s,s1);

m_chuchay=s2+s;

break;

}

UpdateData (false);

CDialog::OnTimer(nIDEvent);

}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

Bài 8:

Tên menu: IDR_MENU1

IDC_EDIT_HOTEN

IDC_DATETIMEPICKER_NGAYDE

N IDC_DATETIMEPICKER_NGAYDI

IDC_EDIT_SONGAY IDC_EDIT_TIENTRA

IDC_BUTTON_TINHTIEN

IDC_BUTTON_RESET IDC_LIST1

Radio Button Group Box chọn Tap

stop

ID_FILE_OPEN

COMMAND ID_FILE_EXIT

ID_FILE_SAVE IDC_BUTTON_RESET

BN_CLICKED IDC_BUTTON_TINHTIEN

IDC_LIST1 NM_DBLCLK

Khai báo thêm một lớp thông tin

thongtin.h

class Cthongtin : public CObject

{

public:

DECLARE_SERIAL(Cthongtin)

void Serialize(CArchive& ar);

long mtientra;

int msongay;

int mloai;

CString mhoten,mngayden,mngaydi;

Cthongtin();

virtual ~Cthongtin();

};

thongtin.cpp

void Cthongtin::Serialize(CArchive& ar)

{

if (ar.IsStoring())

{ // storing code

ar<<mhoten<<mngayden <<mngaydi <<mloai<<msongay <<mtientra;

}

else

{ // loading code

ar>>mhoten>>mngayden >>mngaydi >>mloai>>msongay >>mtientra;

}

}

Khachsan.cpp

void CKhachsanDlg::OnButtonTinhtien()

{

UpdateData (true);

CString s1,s2,s3,s4,s5;

if(m_ngayden >=m_ngaydi || m_hoten.IsEmpty () || m_loai ==-1)

MessageBox ("Chua nhap, hay chon gia tri roi? ","Thong

bao",MB_ICONEXCLAMATION);

else

{

COleDateTimeSpan giatri;

giatri=m_ngaydi - m_ngayden;

//todo:phai ep kieu du lieu ngay thang nam khi lay ra //m_static.Format ("%d",(int)giatri.GetTotalDays ());

m_songay=(int)giatri.GetTotalDays ();

m_tientra=(long)m_songay * loaiphong ();//co phuong thuc go ham loaiphong()

UpdateData (false);

s1.Format ("%d",m_songay);

s2.Format ("%.0ld",m_tientra);

s3.Format ("%ld",loaiphong ());

s4.Format ("%d/%d/%d",m_ngayden.GetDay (),m_ngayden .GetMonth (),m_ngayden GetYear ());

s5.Format ("%d/%d/%d",m_ngaydi.GetDay (),m_ngaydi .GetMonth (),m_ngaydi GetYear ());

int n;

n=m_list.GetItemCount ();

m_list.InsertItem (n,m_hoten);

m_list.SetItemText (n,1,s4); //add ngay den vao ListCtrl m_list.SetItemText (n,2,s5); //add ngay di vao ListCtrl m_list.SetItemText (n,3,s3); //add loai phong vao ListCtrl m_list.SetItemText (n,4,s1); //add so ngay thue vao ListCtrl m_list.SetItemText (n,5,s2 +" " "VND"); //add tien tra vao ListCtrl

Cthongtin *p=new Cthongtin ();

p->mhoten =m_hoten;

p->mngayden =s4;

p->mngaydi =s5;

p->mloai =loaiphong();

p->msongay =m_songay;

p->mtientra =m_tientra;

mArray.Add (p);

m_reset.ShowWindow (true);

m_tinhtien.ShowWindow (false);

} }

long CKhachsanDlg::loaiphong() {

switch(m_loai) {

case 0: return 100000; break;

case 1: return 150000; break;

case 2: return 200000; break;

case 3: return 250000; break;

} return 0;

} void CKhachsanDlg::OnFileExit() {

exit(1);

}

void CKhachsanDlg::OnFileOpen()

{

CFileDialog dlg(true);

CFile f;

BOOL b;

if(dlg.DoModal()==IDOK)

{

b=f.Open (dlg.GetFileName (),CFile::modeRead|CFile::typeBinary);

if(b)

{

CArchive ar(&f,CArchive::load);

mArray.Serialize (ar);

Cthongtin *p;

int n;

CString s1,s2,s3;

for(int i=0;i<mArray.GetSize ();i++) {

p=(Cthongtin*)mArray.GetAt (i);

n=m_list.GetItemCount ();

m_list.InsertItem (n,p->mhoten );

m_list.SetItemText (n,1,p->mngayden );

m_list.SetItemText (n,2,p->mngaydi );

s1.Format ("%d",p->mloai );

s2.Format ("%d",p->msongay );

s3.Format ("%ld",p->mtientra );

m_list.SetItemText (n,3,s1);

m_list.SetItemText (n,4,s2);

m_list.SetItemText (n,5,s3+ " ""VND");

} ar.Close();

}f.Close ();

}

}

void CKhachsanDlg::OnFileSave()

{

CFileDialog dlg(false);

CFile f;

if(dlg.DoModal ()==IDOK)

{

f.Open (dlg.GetFileName(),CFile::modeCreate|CFile::modeWrite|CFile::typeBinary);

CArchive ar(&f,CArchive::store);

mArray.Serialize (ar);

ar.Close();

f.Close ();

} }

void CKhachsanDlg::Serialize(CArchive& ar) {

if (ar.IsStoring()) { // storing code }

else { // loading code }

} void CKhachsanDlg::OnDblclkList1(NMHDR* pNMHDR, LRESULT* pResult) {

CString s1,s2,s3,s4,s5;

for(int i=0;i<m_list.GetItemCount ();i++) {

if(m_list.GetItemState (i,LVIS_SELECTED)==LVIS_SELECTED)

{ m_hoten =m_list.GetItemText (i,0);

//lay gia tri ho ten tu ListCtrl va dua len Dlg s1=m_list.GetItemText (i,1);//lay gia tri ngay den s2=m_list.GetItemText (i,2);//lay gia tri ngay di s3=m_list.GetItemText (i,3);//lay gia tri loai phong s4=m_list.GetItemText (i,4);//lay gia tri so ngay thue s5=m_list.GetItemText (i,5);//lay gia tri tien tra //todo: dua gia tri ngay den tu ListCtrl len Dlg

CString strngden;

int ngden,thden,namden;

strngden.Format ("%s",s1);

if(strngden.GetLength ()==8) {

ngden=atoi(strngden.Left (1));

thden=atoi(strngden.Mid (2,1));

namden=atoi(strngden.Right (4));

} else {

if(strngden.GetLength ()==10) {