VisualC++實例

1、-WORD格式-可編輯-第一章實例 1 Hello, Visual C+*/ programl.cpp*#include “ iostream.h ” #include “ stdio.h ” int main()）； printf( “ Hello, World!n ” coutvv ” Hello,Visual C+ 6.0!n return 0;實例 2 Welcome to Win32!*/ program2.cpp*#include “ stdafx.h ”#include “ iostream.h ”int main(int argc,char *argv)char str20;c

2、outvv ” Please enter your name: cinstr;coutvvstrvv ” , Welcome to Win32!n return 0;實例4程序調試*/ program4.cpp*#include “ stdafx.h ” include “ iostream.h ” int ain() int main() int max,a,b,c;coutvv依次輸入三個整數，本程序將對其比較大小，并輸出最大的數.n ” ;coutvv ”第一個數”；cina;coutvv ”第二個數”;cinb;coutvv ”第三個數”；cinc;if (ab)max=a;else

3、max=b;if (cmax)max=c;cutvv ”最大的數是：“ vvmaxvvendl;return 0;第二章實例5進入C+勺密碼 */ program5.cpp*#include “ iostream.hint main() int key;coutvv ”請輸入密碼：“；cinkey;if (key=1234)coutkey;if (key= O)coutv ”密碼正確！“ v” n ” ;coutvv ”歡迎進入 C+ ! ” vv” n ”coutvv ” 07 ” vv” n ” ; return 1;實例7閏年的計算*/ program7.cpp*#include “ i

4、ostream.h ”int main()int year; int f1,f2,f3;coutvv ”請輸入年份：”cinyear;f1=(int)(year/4)*4=year; f2=(int)(year/100)*100=year; f3=(int)(year/400)*400=year;if (f1&(!f2)|f2&f3) coutvvyearvv ”年是閏年 .n else coutvvyearvv ”年不是閏年 .n return 1;實例9多用戶密碼程序/*/ program9.cpp/*#include “ iostream.hint main()int key;coutv

5、v ”請輸入密碼：cinkey;if (key=123) coutvv ” 歡迎您，Wizard.n else if (key=246)coutvv ” 歡迎您，Joe.n ” ;else if (key=999) coutvv ” 歡迎您，David.n ” elsecoutvv ”密碼錯誤!n ” key;switch(key)case 123:coutvv ” 歡迎您,Wizard.nbreak;case 246:coutvv ” 歡迎您,Joe.nbreak;case 999:coutvv ” 歡迎您，David.nbreak;default:coutvv ”密碼錯誤!n ” vv”程

6、序終止！ 07n” ;break; return 1;實例11成績分段統(tǒng)計*/ program11.cpp*#include “ iostream.hint main()int cj;coutvv ”請輸入分數：cincj;coutvvswitch(cj)case 90:” 90100 有 12 人.ncoutvvcase 80:” 8090 有 25 人.ncoutvvcase 70:” 7080 有 17 人.ncoutvvcase 60:” 6070 有 5 人.n”coutvv” default:” 60分以下有7人.nreturn 1;12連續(xù)數字的求和實例*/ program12.

7、cpp*#include “ iostream.h ”int main() const int MAX=100; int n,s;s=0;n=1;while (nv=MAX) s=s+n; n+; coutvv ” 1100 的總和為 ” vvsvv” n ” return 1;實例13韓信點兵*/ program13.cpp*#include “ iostream.h ”int main() int i,a,b,c;for (i =1; i v100; i +)a= i %3;b= i %5;c= i %7;if (a=1 & b=0 & c=5)coutvv i vvendl; retur

8、n 1;實例14百雞問題*/ program14.cpp*#include “ iostream.h ”int main()int x,y,z;for (x=1;x20;x+)for y=1;y= a & c A & ck;if (kv0|k100)coutvv ”輸入錯誤！重新輸入：07ncontinue;s+=k;n+; while(1); v=s/n;coutvv ”共輸入”vvnvv” 人,平均成績是” vvendl; return 1;實例17最大值與最小值*/ program17.cpp*#include “ iostream.h ”int max(int,int);int min

9、(int,int);int main()int k,kmax,kmin;kmax=0;kmin=0;docoutvv ”請輸入數據：“；cink;if (9999=k)break;kmax=max(kmax,k); kmin=min(kmin,k);while(1);coutvv ”最大值為” vvkmaxvvendl;coutvv ”最小值為” vvkminvvendl;return 1;int max(int a,int b)return(ab?a:b);int min(int a,int b)return(an;N=fac(n);CoutvvNvvendl;Return 1;int fa

10、c(int n)long int s;if (n=1)return 1; s=n *fac( n-1);return s;實例19菲波那契數列*/ program19.cpp*#include “ iostream.h ”int f(int);int main() int n,s,I;coutvv ”請輸入月數：“；cinn;for (l=1;lv=n;l+) s=f(i);vvendl;coutvv ”第” vv|vv個月共有” vvsvv”對兔子”return;int f(int n)int s;if (n=1|n=2)return 1;s=f(n-1)+f(n-2);return s;實

11、例21奇偶有別/ program21.cpp*#include “ iostream.hint main()const int MAX=100;int aMAX;int bMAX; int i,k,x,y;x=0; y=0;do cink;if (k=9999) break;if (k%2=0) ax=k;x+; else by=k;y+; while (1);for (i=0; ix; i+)coutaivv ”coutvv ” n ” ;for (i=0; ix; i+)coutaivv ”return 1;實例23矩陣轉置*/ program23.cpp*#include “ iostr

12、eam.h ” int main()int a34=1,2,3,4,5,6,7,8,9,10,11,12; int b43;int i,j;for (i=0; i3; i+)for (j=0；j4;j+)coutaijvv”coutvv ” n ” ;coutvv ” n ” ;for (i=0; i(sig n=n)n=-n;do*str+=n%10+ O while (n/=10)0;if (sign0) *str+=- ;*str= n ; reverse(strtmp);void resverse(char *str) char *t;int c;t=str+(strlen(str)-

13、1;for (t;strn;itostr(str,n);coutvv ” 轉換為字符串 :” vvstrvvendl;實例29學生成績統(tǒng)計*/ program29.cpp*#include “ iostream.h ”typedef struct studentchar name8;int chin;int eng;int math; STUD;void main()STUD a20; int i,j,ch,en,ma; char f= Y;ch=0;en=0;ma=0;i=0;While (f= Y |f= y)coutvv ”姓名：”；;coutvv ”語文:”;cin

14、si.chin;coutvv ”英語：cin si.e ng;coutvv ”數學：”；cinsi.math;coutvv”繼續(xù)輸入？ (Y/N)“ ;cinf;i+;for (j=O；jc.cels;coutvv轉化為華氏溫度值為”vvc.change()vv度.n”；p99例子#include “iostream.h ”class ADD public: static int sta; int num; void add() sta+; num+;coutvv sta= vvstavvn ；coutvv num= vvnumvv n ；;int ADD:sta=0;void main()A

15、DD p1,p2;p1.num=0;p2.num=0;p1.add();p2.add();實例35對象的生存周期*/ program35.cpp*#include iostream.hclass cls_Apublic: cls_A() coutvv類實例初始化。nn;cls_A()coutvv類實例被撤銷。n; void f()coutvv調用成員函數。nn;；void main()cls_A *p;coutvv測試開始!nn;p=new cls_A;p-f(); delete p;實例36不同類型數據的比較*/ program36.cpp*#include iostream.h int c

16、omp(int a,int b) coutvvint類型數據比較。最大值為;return(ab?a:b); float comp(float a,float b)coutb?a:b); double comp(double a, double b) coutvv double類型數據比較。最大值為:return(ab?a:b);void main()int i1,i2;float f1,f2;double d1,d2;cini1;cini2;coutvvcomp(i1,i2)vvendl;cinf1;cinf2;coutvvcomp(f1,f2)vvendl;cind1;cind2;coutv

17、vcomp(d1,d2)vvendl;實例39園與園柱(1)*/ program39.cpp*#include “ iostream.hclass cyclprivate:float PI;public:float r;cycl()Pl=float(3.14);r=0; const float area()return PI*r*r;class cylinder:public cyclpublic:float h;cylinder()r=0;h=0;float cubage() return area()*h;；void main()cylinder cy;coutvv ”輸入園柱體半徑r:

18、”；cincy.r;coutvv ”輸入園柱體高 h: ”；cincy.h;coutvv ”園柱體底面積為：” vvcy.area()vv ” n”；coutvv ”園柱體體積為：” vvcy.cubage()vv ” n”；實例40園與園柱(2)*/ program40.cpp*#include iostream.hclass cyclprivate:float PI;public:float r;cycl()Pl=float(3.14);r=0;cycl(float R)Pl=float(3.14);r=R; const float area() return Pl*r*r; const

19、float girth() return 2*r*PI;class cylinder:public cycl public: float h;cylinder()h=0;cylinder(float R):cycl (R)cylinder(float R,float H):cycl(R)h=H; const float cubage() return cycl:area()*h; const float area()return girth()*h+(cycl:area()*2;void main()cylinder cy1,cy2(5),cy3(5,10);coutvv輸入園柱體1的半徑r:

20、;cincy1.r;coutvv輸入園柱體1的高h:;cincy1.h;coutvv園柱體 1 的表面積為：vvcy1.area()vvn;coutvv園柱體 1 的體積為： vvcy1.cubage()vvnn; coutvv輸入園柱體2的高h:;cincy2.h;coutvv園柱體 2 的表面積為：vvcy2.area()vvn;coutvv園柱體 2 的體積為： vvcy2.cubage()vvnn;coutvv園柱體3的底面積為：vvcy3.cycl:area()vvn;coutvv園柱體 3 的表面積為：vvcy3.area()vvn;coutvv園柱體 3 的體積為： vvcy3.

21、cubage()vvnn;實例41部門職員信息*/ program41.cpp*#include“ iostream.hclass departmentpublic:int num;char design10;class employeepublic:int num;char name10;； class empl_dept:public department,public employee public:void input()coutvv ”依次輸入職員編號、姓名、部門編號、部門名稱n”；cinemployee:num;cinname;cindepartment:num;cindesign

22、;void print()coutvv ” 職員編號：” vvemployee:numvv” 姓名:” vvname;coutvv ”咅部門編號：” vvdepartment:numvv ” 咅部門名稱” vvdesign;void main()empl_dept z;z.input();乙 print();第四章實例48窗口輸出文字與圖形(P152153)void CProgram48View:OnDraw(CDC *pDC) CProgram48Doc *pDoc=GetDocument();ASSERT_VALID(pDoc);/TODO: add code for native dat

23、a here/以下為新增的代碼CRect r;GetClientRect(&r);int x=0, y=0;pDC-TextOut(x,y,“在窗口上畫一個圓形”);x=r.right/2;y=r.bottom/2;pDC-Ellipse(x-100,y-100,x+100,y+100);實例49應用程序的創(chuàng)建與撤銷(P162163)int CMainFrame:OnCreate(LPCREATESTRUCTIpCreateStruct)/添加下面這一行語句，顯示對話框MessageBox( “準備建立應用程序”，“創(chuàng)建程序”，MB_OK|MBCONEXCLAMATION);If (CFram

24、eWnd:OnCreate(IpCreateStruct)= -1)return 1;void CMainFrame:OnClose()TODO:Add your message handler code here and/or call defaultMessageBox( “準備銷毀程序窗口”，“撤銷窗口”，MB_OK|MBCONEXCLAMATION);CFrameWnd:OnClose();實例50鍵盤字符的輸入與顯示(P164166)CProgram50Doc:CProgram50Doc()/TODO: add one-time construction code hereText=

25、 ” ;void CProgram50View:OnChar(UNIT nChar,UINT nRepCnt, UINT nFlags)TODO:Add your message handler code here and/or call defaultCProgram50Doc *pDoc=GetDocument();ASSERT_VALID(pDoc);if (nChar= b )pDoc-Text.Delete(pDoc-Text.GetLength( )-1,1);elsepDoc-Text+=nChar;Invalidate();Cview:OnChar(nChar, nRepCnt

26、,nFlags);void CProgram50View:OnDraw(CDC *pDC)CProgram50Doc *pDoc=GetDocument();ASSERT_VALID(pDoc);/TODO: add draw code for native data hereCRect r;GetClientRect(&r);pDC-DrawText(pDoc-Text,r,DT_WORDBREAK|DT_CENTER);實例51區(qū)域探測(P168171)void CProgram51View:OnLButtonUp(UINT nFlags,CPointpoint)/TODO:Add you

27、r message handler code here and/or call defaultCRect r;GetClientRect(&r);char *s;if (point.xr.right/2)if (point.yr.bottom/2)s=”你現在位于第四區(qū)”；elses=”你現在位于第一區(qū)”；elseif (point.yr.bottom/2)s=”你現在位于第三區(qū)”；elses= ”你現在位于第二區(qū)”；MessageBox(s, ” 位置提示”，MB_OK|MBCONEXCLAMATION);CView:OnLButtonUp(nFlags,point)；void CProgr

28、am51View:OnDraw(CDC *pDC)CProgram51Doc *pDoc=GetDocument();ASSERT_VALID(pDoc);/TODO: add draw code for native data herepDC-TextOut(mPoint.x,mPoint.y,pDoc-Text);void CProgram51View:OnMouseMove(UINT nFlags,CPointpoint)/TODO: Add your message handler code here and/or calldefaultCProgram51Doc *pDoc=GetD

29、ocument();ASSERT_VALID(pDoc);pDoc-Text=lntToCStr(point.x)+ ” , ” +IntToCStr(point.y);mPoint.x=point.x+20;mPoint.y=point.y;Invalidate();CView:OnMouseMove(nFlags,point);Cstring CProgram51View:IntToCStr(int Num)int i;CString strnum= ” ;char c;while (Num0)i=Num%10;c= 0;c=c+i;strnum+=(char)c;Num=Num/10;s

30、trnum.MakeReverse();return strnum;實例52滾動字幕(P172173)CProgram52View:CProgram52View()/TO: add construction code herems=0;x=0;CProgram52View:OnCreate(LPCREATESTRUCTIpCreateStruct)if (CView:OnCreate(lpCreateStruct)=-1)/TODO: Add your specialized creation code hereSetTimer(1,10,NULL);return 0;void CProgra

31、m52View:OnTimer(UNIT nIDEvent)/TODO: Add your message handler code and/or calldefaultlnvalidateRect(NULL,ture);/UpdateWindow();ms+=10;x=x+1;Invalidate();CView:OnTimer(10);void CProgram52View:OnDraw(CDC *pDC)/TODO: add draw code for native data hereCRect r;GetClientRect(&r);CString s;s.Format( “字幕已運行

32、 d毫秒”，ms);if (xr.right-r.left)x=0;pDC-TextOut(x,r.bottom/2, ” Visual C+ 6.0“);pDC-TextOut(x,r.bottom/2+2O,s);實例53園的移動軌跡 (P175179)void CProgram53View:OnDraw(CDC *pDC)CProgram53Doc*pDoc=GetDocument();ASSERT VALID(pDoc);/TODO: add draw code for native data hereDrawEps();void CPprogram53View:OnlnitialUp

33、date()CScrollView:OnInitialUpdate();CSize sizeTotal;/TODO: calculate the total size of this viewsizeTotal.cx=1000;sizeTotal.cy=800;SetScrollSizes(MM_TEXT,sizeTotal);void CProgram53View:DrawEps()CDC *pDC=GetDC();CRect r;GetClientRect(&r);int x=0,y=0;x=r.right/2;y=r.bottom/2;pDC-Ellipse(x-50,y-50,x+50

34、,y+50);void CProgram53View:OnHScroll(UNIT nSBCode,UNITnPos,CScrollBar *pScrollBar)/TODO: Add your message handler code here and/or calldefaultDrawEps();CScrollView:OnHScroll(nSBCode,nPos,pScrollBar);void CProgram53View:OnVScroll(UNIT nSBCode,UNIT nPos,CScrollBar *pScrollBar)/TODO: Add your message h

35、andler code here and/or calldefaultDrawEps();CScrollView:OnVScroll(nSBCode,nPos,pScrollBar);void CProgram53View:OnKeyDown(UNIT nChar, UINTnRepCnt,UINT nFlags)/TODO: Add your message handler code and/or calldefaultswitch(nChar)case VK_NUMPAD7: OnVScroll(SB_LINEUP,0,NULL);OnHScroll(SB_LINELEFT,0,NULL)

36、;break;case VK_NUMPAD1: OnVScroll(SB_LINEDOWN,0,NULL); OnHScroll(SB_LINELEFT,0,NULL);break;case VK_NUMPAD8: OnVScroll(SB_LINEUP,0,NULL);break;case VK_NUMPAD2:OnVScroll(SB_LINEDOWN,0,NULL);break;case VK_NUMPAD6:OnHScroll(SB_LINERIGHT,0,NULL);break;case VK_NUMPAD4:OnHScroll(SB_LINELEFT,0,NULL);break;c

37、ase VK_NUMPAD9:OnVScroll(SB_LINEUP,0,NULL);OnHScroll(SB_LINERIGHT,0,NULL);break;case VK_NUMPAD3: OnVScroll(SB_LINEDOWN,0,NULL); OnHScroll(SB_LINERIGHT,0,NULL);break;case VK_NUMPAD5: Invalidate();break; CScrollView:OnKeyDown(nChar,nRepCnt,nFlags);實例54應用程序的生存周期(P180182)int CMainFrame:OnCreate(LPCREATE

38、STRUCT IpCreateStruct)MessageBox( “收到 WM_CREATE息息！“，” 提示信息” ,MB_OK);If (CFrameWnd:OnCreate(lpCreateStruct)=-1) return 1;void CMainFrame:OnClose() TODO:Add your message handler code here and/or call defaultMessageBox( “收到 WM_CLOS消息！“，” 提示信息” ,MB_OK);CFrameWnd:OnClose();void CMainFrame:OnDestroy()CFrameWnd:OnDestroy();/TODO: Add your message handler code hereMessageBox( “收到 WM_DESTROY息!“, ” 提示信息” ,MB_OK);BOOL CMainFrame:OnQueryEndSession()if (!CFrameWnd:OnQueryEndSession()return FALSE;/TODO: Add your specialized query end session codehereMessageBox( “收至U WM_