PAGEPAGE6實(shí)驗(yàn)報(bào)告實(shí)驗(yàn)課程：C++面向?qū)ο蟪绦蛟O(shè)計(jì)學(xué)生姓名：楊華生學(xué)號(hào)：8000110033專業(yè)班級(jí)：軟工101班2011年實(shí)驗(yàn)類型：□驗(yàn)證■綜合■設(shè)計(jì)□創(chuàng)新實(shí)驗(yàn)成績(jī)：一、實(shí)驗(yàn)項(xiàng)目名稱：期末大作業(yè)—綜合實(shí)驗(yàn)二、實(shí)驗(yàn)?zāi)康模?.掌握類與對(duì)象的基本概念。2.掌握類的繼承與派生的基本概念。3.掌握多層派生時(shí)的構(gòu)造函數(shù)的編寫。4.掌握有子對(duì)象的派生類的構(gòu)造函數(shù)的編寫。5.掌握類的友元函數(shù)的編寫。三、實(shí)驗(yàn)基本原理：編程實(shí)現(xiàn)類與對(duì)象、類的繼承與派生的各種操作。四、主要儀器設(shè)備及耗材：IBM-PC機(jī)一臺(tái)。五、實(shí)驗(yàn)步驟：1．編寫程序；2．調(diào)試程序；3．運(yùn)行程序。六、實(shí)驗(yàn)數(shù)據(jù)及處理結(jié)果1.程序如下://在程序中，每個(gè)函數(shù)必須有功能注釋，關(guān)鍵的語句有適當(dāng)?shù)淖⑨?。程序結(jié)構(gòu)清晰，不同層次的語句采用縮進(jìn)形式。#include<iostream>#include<string>usingnamespacestd;classPerson{public:Person(stringnam,chars)//構(gòu)造函數(shù){ name=nam; sex=s;}voiddisplay()//定義成員函數(shù){ cout<<"name:"<<name<<endl<<"sex:"<<sex<<endl;}private:stringname;charsex;};classBirthDate{public:BirthDate(inty,intm,intd):year(y),month(m),day(d){}//BirthDate類的聲明 voiddisplay()//定義成員函數(shù){cout<<"birthday:"<<year<<"-" <<month<<"-"<<day<<endl;}private:intyear;intmonth;intday;};classStudent:publicPerson//公有繼承Person類{public: Student(stringnam,chars,floatsc,BirthDateb):Person(nam,s),birthday(b)//類的繼承與組合 {score=sc;}voiddisplay()//定義成員函數(shù) { Person::display(); birthday.display(); cout<<"score:"<<score<<endl; }voidtotal()//定義非靜態(tài)成員函數(shù){sum+=score;//累加總分count++;//累計(jì)已統(tǒng)計(jì)的人數(shù)} staticfloataverage();friendvoidscore_max(Student*stu);//聲明友元函數(shù)private:BirthDatebirthday;//把類的對(duì)象作為數(shù)據(jù)成員(類的組合)floatscore;staticfloatsum;//靜態(tài)數(shù)據(jù)成員staticintcount;//靜態(tài)數(shù)據(jù)成員};floatStudent::average()//定義靜態(tài)成員函數(shù){return(sum/count);}floatStudent::sum=0;//對(duì)靜態(tài)數(shù)據(jù)成員初始化intStudent::count=0;//對(duì)靜態(tài)數(shù)據(jù)成員初始化voidscore_max(Student*stu)//定義友元函數(shù)，用指向?qū)ο蟮闹羔樧鲄?shù){floatmax_score=stu[0].score;intk=0;for(inti=1;i<3;i++)if(stu[i].score>max_score){max_score=stu[i].score;k=i;}cout<<"thestudentwithhighestscoreis:"<<endl;stu[k].display();}intmain()//主函數(shù){ BirthDateb1(1992,7,22);//定義3個(gè)類的對(duì)象 BirthDateb2(1992,8,23); BirthDateb3(1992,9,24); Studentstu[3]={//定義對(duì)象數(shù)組并初始化 Student("JimGreen",'f',78,b1), Student("GaryYoung",'m',82,b2), Student("JamesBrown",'f',97,b3) };cout<<"AlltheStudents'valuesare:"<<endl;for(inti=0;i<3;i++)//調(diào)用3次total函數(shù){stu[i].total();stu[i].display();//輸出3個(gè)學(xué)生的信息cout<<endl;}cout<<"theaveragescoreof3studentsis:"<<Student::average()<<endl;//調(diào)用靜態(tài)成員函數(shù)輸出平均分?jǐn)?shù)cout<<endl;voidscore_max(Student*);Student*p=&stu[0];