VisualC++实例

1、-WORD格式-可编辑-第一章实例 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;实例 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;实例4程序调试*/ program4.cpp*#include “ stdafx.h ” include “ iostream.h ” int ain() int main() int max,a,b,c;coutvv依次输入三个整数，本程序将对其比较大小，并输出最大的数.n ” ;coutvv ”第一个数”；cina;coutvv ”第二个数”;cinb;coutvv ”第三个数”；cinc;if (ab)max=a;else

3、max=b;if (cmax)max=c;cutvv ”最大的数是：“ vvmaxvvendl;return 0;第二章实例5进入C+勺密码 */ program5.cpp*#include “ iostream.hint main() int key;coutvv ”请输入密码：“；cinkey;if (key=1234)coutkey;if (key= O)coutv ”密码正确！“ v” n ” ;coutvv ”欢迎进入 C+ ! ” vv” n ”coutvv ” 07 ” vv” n ” ; return 1;实例7闰年的计算*/ program7.cpp*#include “ i

4、ostream.h ”int main()int year; int f1,f2,f3;coutvv ”请输入年份：”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 ”年是闰年 .n else coutvvyearvv ”年不是闰年 .n return 1;实例9多用户密码程序/*/ program9.cpp/*#include “ iostream.hint main()int key;coutv

5、v ”请输入密码：cinkey;if (key=123) coutvv ” 欢迎您，Wizard.n else if (key=246)coutvv ” 欢迎您，Joe.n ” ;else if (key=999) coutvv ” 欢迎您，David.n ” elsecoutvv ”密码错误!n ” key;switch(key)case 123:coutvv ” 欢迎您,Wizard.nbreak;case 246:coutvv ” 欢迎您,Joe.nbreak;case 999:coutvv ” 欢迎您，David.nbreak;default:coutvv ”密码错误!n ” vv”程

6、序终止！ 07n” ;break; return 1;实例11成绩分段统计*/ program11.cpp*#include “ iostream.hint main()int cj;coutvv ”请输入分数：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连续数字的求和实例*/ 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 的总和为 ” vvsvv” n ” return 1;实例13韩信点兵*/ 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;实例14百鸡问题*/ 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 ”输入错误！重新输入：07ncontinue;s+=k;n+; while(1); v=s/n;coutvv ”共输入”vvnvv” 人,平均成绩是” vvendl; return 1;实例17最大值与最小值*/ 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 ”请输入数据：“；cink;if (9999=k)break;kmax=max(kmax,k); kmin=min(kmin,k);while(1);coutvv ”最大值为” vvkmaxvvendl;coutvv ”最小值为” 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;实例19菲波那契数列*/ program19.cpp*#include “ iostream.h ”int f(int);int main() int n,s,I;coutvv ”请输入月数：“；cinn;for (l=1;lv=n;l+) s=f(i);vvendl;coutvv ”第” vv|vv个月共有” vvsvv”对兔子”return;int f(int n)int s;if (n=1|n=2)return 1;s=f(n-1)+f(n-2);return s;实

11、例21奇偶有别/ 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;实例23矩阵转置*/ 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 ” 转换为字符串 :” vvstrvvendl;实例29学生成绩统计*/ 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 ”语文:”;cin

14、si.chin;coutvv ”英语：cin si.e ng;coutvv ”数学：”；cinsi.math;coutvv”继续输入？ (Y/N)“ ;cinf;i+;for (j=O；jc.cels;coutvv转化为华氏温度值为”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();实例35对象的生存周期*/ program35.cpp*#include iostream.hclass cls_Apublic: cls_A() coutvv类实例初始化。nn;cls_A()coutvv类实例被撤销。n; void f()coutvv调用成员函数。nn;；void main()cls_A *p;coutvv测试开始!nn;p=new cls_A;p-f(); delete p;实例36不同类型数据的比较*/ program36.cpp*#include iostream.h int c

16、omp(int a,int b) coutvvint类型数据比较。最大值为;return(ab?a:b); float comp(float a,float b)coutb?a:b); double comp(double a, double b) coutvv double类型数据比较。最大值为: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;实例39园与园柱(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 ”输入园柱体半径r:

18、”；cincy.r;coutvv ”输入园柱体高 h: ”；cincy.h;coutvv ”园柱体底面积为：” vvcy.area()vv ” n”；coutvv ”园柱体体积为：” vvcy.cubage()vv ” n”；实例40园与园柱(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输入园柱体1的半径r:

20、;cincy1.r;coutvv输入园柱体1的高h:;cincy1.h;coutvv园柱体 1 的表面积为：vvcy1.area()vvn;coutvv园柱体 1 的体积为： vvcy1.cubage()vvnn; coutvv输入园柱体2的高h:;cincy2.h;coutvv园柱体 2 的表面积为：vvcy2.area()vvn;coutvv园柱体 2 的体积为： vvcy2.cubage()vvnn;coutvv园柱体3的底面积为：vvcy3.cycl:area()vvn;coutvv园柱体 3 的表面积为：vvcy3.area()vvn;coutvv园柱体 3 的体积为： vvcy3.

21、cubage()vvnn;实例41部门职员信息*/ 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 ”依次输入职员编号、姓名、部门编号、部门名称n”；cinemployee:num;cinname;cindepartment:num;cindesign

22、;void print()coutvv ” 职员编号：” vvemployee:numvv” 姓名:” vvname;coutvv ”咅部门编号：” vvdepartment:numvv ” 咅部门名称” vvdesign;void main()empl_dept z;z.input();乙 print();第四章实例48窗口输出文字与图形(P152153)void CProgram48View:OnDraw(CDC *pDC) CProgram48Doc *pDoc=GetDocument();ASSERT_VALID(pDoc);/TODO: add code for native dat

23、a here/以下为新增的代码CRect r;GetClientRect(&r);int x=0, y=0;pDC-TextOut(x,y,“在窗口上画一个圆形”);x=r.right/2;y=r.bottom/2;pDC-Ellipse(x-100,y-100,x+100,y+100);实例49应用程序的创建与撤销(P162163)int CMainFrame:OnCreate(LPCREATESTRUCTIpCreateStruct)/添加下面这一行语句，显示对话框MessageBox( “准备建立应用程序”，“创建程序”，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( “准备销毁程序窗口”，“撤销窗口”，MB_OK|MBCONEXCLAMATION);CFrameWnd:OnClose();实例50键盘字符的输入与显示(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);实例51区域探测(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=”你现在位于第四区”；elses=”你现在位于第一区”；elseif (point.yr.bottom/2)s=”你现在位于第三区”；elses= ”你现在位于第二区”；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;实例52滚动字幕(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( “字幕已运行

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);实例53园的移动轨迹 (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);实例54应用程序的生存周期(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_