面向?qū)ο蟪绦蛟O(shè)計

C++實驗報告實驗一VisualC++6.0開發(fā)環(huán)境應用入門（驗證性實驗 2學時）1.目的要求：了解VisualC++6.0的特點，熟悉了解VisualC++6.0的開發(fā)環(huán)境，學習使用VisualC++6.0編寫標準的C++控制臺應用程序。2.實驗內(nèi)容：使用VisualC++來建立一個非圖形化的標準C++程序，編譯、運行教材中的例3-3，用公式法求解PI的數(shù)值，并嘗試利用其他方法求解并獲得相同的結(jié)果。n=16arctan(l/5)-4arctan(l/239)arctan(x)=x-x3/3+x5/5-x7/7+…求n=?(1)源代碼和說明#include<iostream>usingnamespacestd;doublearctan(doublex){doublesqr=x*x;doublee=x;doubler=0;inti;while(e/i>1e-15){doublef=e/i;r=(i%4==1)?r+f:r-f;e=e*sqr;i+=2;}returnr;}intmain(){doublea=16.0*arctan(1/5.0);doubleb=4.0*arctan(1/239.0);cout<<"PI="<<a-b<<endl;return0;}2)運行結(jié)果：1實驗二 C++簡單程序設(shè)計實驗(驗證性實驗4學時)1.目的要求：會編寫簡單的C++程序；復習基木數(shù)據(jù)類型變量和常量的應用；復習運算符與表達式的應用；復習結(jié)構(gòu)化程序設(shè)計基本控制結(jié)構(gòu)的應用；復習自定義數(shù)據(jù)類型的應用；練習使用簡單的輸入輸出；觀察頭文件的作用；學會使用VC6.0開發(fā)環(huán)境中的debug調(diào)試功能；熟練程序設(shè)計中的技巧；2.實驗內(nèi)容：1)給定一個字符變量輸出其二進制形式。例如chara='a';其二進制為00100001。源代碼和說明#include<iostream>usingnamespacestd;intmain(){charch;intj,k[8]={0};coutvv"請輸入一個字符："vvendl;cin>>ch;for(j=0;jv=7;j++){if(ch){if(ch%2==0)k[j]=0;elsek[j]=1;ch=(ch-(ch%2))/2;}}for(j=7;j>=0;j--){coutvvk[j];}coutvvendl;}運行結(jié)果：2)給定一個字符變量輸出其二進制反轉(zhuǎn)形式。例如chara='a';其二進制為00100001，反轉(zhuǎn)形式為10000100。(提示：使用位運算)1)源代碼和說明：#include<iostream>usingnamespacestd;intmain(){charch;intj,k[8]={0};coutvv"請輸入一個字符："vvendl;cin>>ch;for(j=0;jv=7;j++){if(ch){if(ch%2==0)k[j]=0;elsek[j]=1;ch=(ch-(ch%2))/2;}coutvvchvv"二進制是："for(j=7;j>=0;j--){cout<<k[j];}cout<<endl;for(j=0;j<=7;j++){町]=回1;}coutvv"二進制反碼是："for(j=7;j>=0;j--){cout<<k[j];}cout<<endl;}實驗結(jié)果：3)袋子里有紅，黃，藍，綠，黑五種不同顏色的球若干個，從中取出三個不同顏色的球，編程輸出每種取法及統(tǒng)計不同取法的總數(shù)(提示：使用枚舉)1)源代碼和說明;#include<iostream>usingnamespacestd;enumcolor{red=0,yellow,blue,green,black};boolisNum(inti){intj=0;for(intk=0;k<6;k++)if(i>>k&1==1)j++;returnj==3?true:false;}voidprintResult(inti){for(intk=0;k<5;k++){if(i>>k&1==1)switch(k){casered:cout<<"red";break;caseyellow:cout<<"yellow";break;caseblue:cout<<"blue";break;casegreen:cout<<"green";break;caseblack:cout<<"black";break;default:cout<<"error!!";break;}}cout<<""<<endl;}voidmain(){intj=0;coutvv"可能的方案有："；for(inti=0;i<=32;i++){if(isNum(i)){printResult(i)；j++；}}coutvv"共有"vvjvv"種方案"vvendl;}2)實驗結(jié)果：實驗三 函數(shù)的應用實驗（設(shè)計性實驗 2學時）目的要求：掌握函數(shù)的定義和調(diào)用方法；練習重載函數(shù)的使用；練習使用系統(tǒng)函數(shù)；學習使用VC++的debug調(diào)試功能，使用stepinto追蹤到函數(shù)內(nèi)部。2.實驗內(nèi)容：1）用遞歸的方法編寫函數(shù)求Fibonacci級數(shù)，觀察遞歸調(diào)用的過程。源代碼和說明：#include<iostream>usingnamespacestd;intFibonacci(inti){if(i==1)return0;else{if(i==2)return1;elsereturnFibonacci(i-1)+Fibonacci(i-2);}}intmain(){intn,j,i;cin>>n;for(i=1;i<=n;i++){j=Fibonacci(i);cout<<j<<endl;實驗結(jié)果：2)編寫重載函數(shù)Max1可分別求取兩個整數(shù)，三個整數(shù)兩個雙精度數(shù)，三個雙精度數(shù)的最大值。源代碼和說明：#include<iostream>usingnamespacestd;intmax1(inta,intb);intmax1(intq,intw,inte);doublemax1(doublei,doublej);doublemax1(doublek,doubleu,doublep);voidmain(){inta,b,q,w,e;doublei,j,p,u,k;cout<<"pleaseentertwo(int)numbers:"<<endl<<endl;cin>>a>>b;max1(a,b);cout<<"pleaseenterthree(int)numbers:"<<endl<<endl;cin>>q>>w>>e;max1(q,w,e);cout<<"pleaseentertwo(double)numbers:"<<endl<<endl;cin>>i>>j;max1(i,j);cout<<"pleaseenterthree(double)numbers:"<<endl<<endl;cin>>k>>u>>p;max1(k,u,p);}intmax1(inta,intb){if(a>b){cout<<"themaxnumber:"<<a<<endl;}elsecout<<"themaxnumber:"<<b<<endl;return0;}intmax1(intq,intw,inte){inttemp;if(q>=w){temp=q;if(temp>=e){cout<<"themaxnumber:"<<temp<<endl;}elsecout<<"themaxnumber:"<<e<<endl;}elsetemp=w;if(temp>=e){cout<<"themaxnumber:"<<temp<<endl;}elsecout<<"themaxnumber:"<<e<<endl;return0;doublemax1(doublei,doublej){if(i>j){cout<<"themaxnumber:"<<i<<endl;}elsecout<<"themaxnumber:"<<j<<endl;return0;}doublemax1(doublek,doubleu,doublep){inttemp;if(k>=u){temp=k;if(temp>=p){cout<<"themaxnumber:"<<temp<<endl;}elsecout<<"themaxnumber:"<<p<<endl;}elsetemp=u;if(temp>=p){cout<<"themaxnumber:"<<temp<<endl;}elsecout<<"themaxnumber:"<<p<<endl;return0;}實驗結(jié)果：寫一個函數(shù)，能夠接收身高、體重等數(shù)據(jù)，能夠根據(jù)身高、體重檢測身體狀況，胖，瘦等。源代碼和說明#include<iostream>usingnamespacestd;voidSHENGC(doublei,doublej){if(i<j*32)coutvv"'這個人偏胖"vvendl;else{if(i=j*32)coutvv"這個人適中"vvendl;elsecoutvv"這個人偏瘦"vvendl;}}intmain(){doublei,j;coutvv""請輸入身高(cm)和體重(kg)"vvendl;

cin>>i>>j;SHENGC(i,j);}2）實驗結(jié)果實驗四類與對象實驗（設(shè)計性實驗4學時）1.目的要求：掌握類的定義和使用；掌握類對象的聲明；復習具有不同訪問屬性的成員的訪問方式；觀察構(gòu)造函數(shù)和析構(gòu)函數(shù)的執(zhí)行過程；學習類組合使用方法；使用VC++的debug調(diào)試功能觀察程序流程，跟蹤觀察類的構(gòu)造函數(shù)、析構(gòu)函數(shù)、成員函數(shù)的執(zhí)行順序。2.實驗內(nèi)容：1)定義一個CPU類，包含等級(Rank)、頻率(frequency)、電壓(voltage)等屬性，有兩個公有成員函數(shù)run、stop。其中，rank為枚舉類型CPU__Rank,定義為enumCPU_Rank{P1=1,P2,P3,P4,P5,P6,P7},frequency為單位是MHz的整型數(shù)，voltage為浮點型的電壓值。觀察構(gòu)造函數(shù)和析構(gòu)函數(shù)的調(diào)用順序。源代碼和說明：#include<iostream>usingnamespacestd;enumCPU_Rank{P1=1,P2,P3,P4,P5,P6,P7};classCPU{public:CPU();~CPU();voidrun(enumCPU_Rankr,intf,doublev);voidstop();private:enumCPU_RankRank;intfrequency;doublevoltage;};CPU::CPU(){coutvv'調(diào)用構(gòu)造函數(shù)"vvendl;}CPU::~CPU(){coutvv"調(diào)研析構(gòu)函數(shù)"vvendl;}voidCPU::run(enumCPU_Rankr,intf,doublev){Rank=r;frequency=f;voltage=v;}voidCPU::stop(){cout<<Rank<<endl;cout<<frequency<<endl;cout<<voltage<<endl;}intmain(){enumCPU_Rankt=P1;CPUc;c.run(t,2,4.865);c.stop();}實驗結(jié)果：i.定義一個簡單的Computer類，有數(shù)據(jù)成員芯片(cpu)、內(nèi)存(ram)、光驅(qū)(cdrom)等等，有兩個公有成員函數(shù)run、stop。cpu為CPU類的一個對象，ram為RAM類的一個對象，cdrom為CDROM類的一個對象，定義并實現(xiàn)這個類，觀察這些類的構(gòu)造函數(shù)和析構(gòu)函數(shù)的調(diào)用順序。源代碼和說明：#include<iostream>usingnamespacestd;classCPU{public:CPU(){coutvv"CPU構(gòu)造函數(shù)被調(diào)用"vvendl;}~CPU(){coutvv"CPU析構(gòu)函數(shù)被調(diào)用"vvendl;}};classRAM{public:RAM(){coutvv"RAM構(gòu)造函數(shù)被調(diào)用”<<endl;}~RAM(){coutvv"RAM析構(gòu)函數(shù)被調(diào)用"vvendl;}};classCDROM{public:CDROM(){coutvv"CDROM構(gòu)造函數(shù)被調(diào)用"vvendl;}~CDROM(){coutvv"CDROM析構(gòu)函數(shù)被調(diào)用"vvendl;}};classComputer{private:CPUcpu;RAMram;CDROMcdrom;public:Computer(){coutvv"Computer構(gòu)造函數(shù)被調(diào)用"vvendl;}~Computer(){coutvv"Computer析構(gòu)函數(shù)被調(diào)用"vvendl;}voidrun();voidstop();};intmain(){ComputerC;}實驗結(jié)果：ii.定義一個Body類，擁有身高、體重等數(shù)據(jù)，能夠根據(jù)身高、體重檢測身體狀況，要求設(shè)計相應的函數(shù)成員和構(gòu)造函數(shù)。源代碼和說明：#include<iostream>usingnamespacestd;classbody{public:body(){coutvv'構(gòu)造函數(shù)被調(diào)用"vvendl;}~body(){coutvv"析構(gòu)函數(shù)被調(diào)用"vvendl;}voidset(doubleh,doublew)HIGH=h;WEIGHT=w;}voidshow(){cout<<"HIGH="<<HIGH<<endl;cout<<"WEIGHT="<<WEIGHT<<endl;}private:doubleHIGH;doubleWEIGHT;};intmain(){doublei,j;bodya;cout<<"請輸入身高(cm)和體重(kg)"vvendl;cin>>i>>j;a.set(i,j);a.show();}實驗結(jié)果：實驗五C++程序的結(jié)構(gòu)實驗(設(shè)計性實驗2學時)1.目的要求：觀察程序運行中變量的作用域、生存期和可見性；學習類的靜態(tài)成員的使用；學習多文件結(jié)構(gòu)在C++程序中的使用。1)實現(xiàn)客戶機(CLIENT)類。定義字符型靜態(tài)數(shù)據(jù)成員ServerName，保存其服務器名稱；整型靜態(tài)數(shù)據(jù)成員ClientNum，記錄已定義的客戶數(shù)量；定義靜態(tài)函數(shù)ChangeServerName()改變服務器名稱。在頭文件client.h中定義類，在文件client.cpp中實現(xiàn)，在文件test.cpp中測試這個類，觀察相應的成員變量取值的變化情況。(需要給出main函數(shù)代碼和運行結(jié)果)//cilent.h#include<iostream>usingnamespacestd;classClient{private:staticcharSeverName[10];staticintClientnum;public:Client(){coutvv"Client構(gòu)造函數(shù)被調(diào)用"vvendl;Clientnum++;}~Client(){cout<<"Client析構(gòu)函數(shù)被調(diào)用"<<endl;Clientnum--;}staticvoidChangeServername(){inti;cout<<"請輸入服務器的名字："vvendl;cin>>SeverName;}voidshow();};intClient::Clientnum=0;charClient::SeverName[10]="abcd";//Client.cppvoidClient::show(){coutvv"該用戶機的服務器端名字是:"vvendl;coutvvSeverNamevvendl;coutvv"用戶數(shù)量有："vvendl;coutvvClientnumvvendl;}//Client.exevoidmain(){Client::ChangeServername();Clienta;show();Clientb;show();}實驗結(jié)果：

IKanykeytocontinuefill釀字是11?^=■E:\vc6.,O\MyPrqjects\GIEFED\Debug\GEFED.exeIKanykeytocontinuefill釀字是11?^=■E:\vc6.,O\MyPrqjects\GIEFED\Debug\GEFED.exeiii.完善Body類，將檢測胖瘦的標準定義為靜態(tài)數(shù)據(jù)成員并設(shè)計相應的靜態(tài)成員函數(shù)。(最好給出main函數(shù)代碼和運行結(jié)果)源代碼和說明：#include<iostream>usingnamespacestd;classbody{public:body(){cout<<"body構(gòu)造函數(shù)被調(diào)用"<<endl;}~body(){cout<<"body析構(gòu)函數(shù)被調(diào)用"<<endl;}voidset(doublei,doublej);voidshow();staticvoidset()cout<<"請輸入判斷胖瘦的標準："vvendl;cin>>body::i;coutvv"檢測胖瘦的標準是："vvendl;coutvvbody::ivvendl;}private:doubleheigh;doubleweight;staticdoublei;};doublebody::i=3.2;voidbody::set(doublei,doublej){heigh=i;weight=j;}voidbody::show(){coutvv"這個人偏"vvendl;if(heigh/weight>body::i)coutvv"瘦"vvendl;else{if(heigh/weight==body::i)coutvv"正常"vvendl;elsecoutvv"胖"vvendl;}}intmain(){doublei,j;bodya;body::set();coutvv"請輸入身高(cm)和體重(kg):"vvendl;cin>>i>>j;set(i,j);a.show();}實驗結(jié)果iv.定義Boat；和Car兩個類，二者都有weight屬性,定義二者的一個友元函數(shù)totalWeight(),計算二者的和。源代碼和說明：#include<iostream>usingnamespacestd;classBoat{public:Boat(){cout<<"Boat構(gòu)造函數(shù)被調(diào)用"<<endl;}~Boat(){cout<<"Boat析構(gòu)函數(shù)被調(diào)用"<<endl;}voidset(doublei);frienddoubleTotalweight(classBoat&j,classCar&k);private:doubleweight;};classCar{public:Car(){coutvv"Cart構(gòu)造函數(shù)被調(diào)用"vvendl;}~Car(){coutvv"Cart析構(gòu)函數(shù)被調(diào)用"vvendl;}voidset(doublei);frienddoubleTotalweight(classBoat&j,classCar&k);private:doubleweight;};voidBoat::set(doublei){this->weight=i;}voidCar::set(doublei){this->weight=i;}doubleTotalweight(classBoat&j,classCar&k){doublem;m=j.weight+k.weight;returnm;}intmain(){doublej;Boatb;Carc;coutvv"請輸入Boat類的重量"vvendl;cin>>j;set(j);coutvv"請輸入Cart類的重量"vvendl;cin>>j;set(j);coutvv"兩者重量總和是"vvendl;coutvvTotalweight(b,c)vvendl;}實驗結(jié)果：實驗六數(shù)組、指針與字符串實驗（設(shè)計性實驗 4學時）1.目的要求：學習使用數(shù)組；學習字符串數(shù)據(jù)的組織和處理；學習標準C++庫的使用；掌握指針的使用方法；練習通過debug觀察指針的內(nèi)容及其所指的對象的內(nèi)容；練習通過動態(tài)內(nèi)存分配實現(xiàn)動態(tài)數(shù)組，并體會指針在其中的作用；分別使用字符數(shù)組和標準C++庫練習處理字符串的方法。2.實驗內(nèi)容：1）編寫一個用于3X3數(shù)組保存矩陣的類，具有矩陣顯示和矩陣轉(zhuǎn)置函數(shù)。源代碼和說明：#include<iostream>usingnamespacestd;classpoint{public:point(){cout<<"point構(gòu)造函數(shù)被調(diào)用"<<endl;}~point(){cout<<"point析構(gòu)函數(shù)被調(diào)用"<<endl;}voidset();voidzhanz();voidshow();private:intp[3][3];};voidpoint::set(){inti,j;for(i=0;i<=2;i++){for(j=0;j<=2;j++)cin>>p[i][j];}voidpoint::show(){inti,j;for(i=0;i<=2;i++){for(j=0;j<=2;j++)cout<<p[i][j]<<""cout<<endl;voidpoint::zhanz(){inti,j,k=0;intt[9];for(i=0;i<=2;i++){for(j=0;j<=2;j++)t[k++]=p[j][i];}for(k=0;k<=8;k++){cout<<t[k]<<"";if(!((k+1)%3))cout<<endl;}}intmain(){pointjuzhen;cout<<"請輸入3*3矩陣的數(shù)據(jù)"vvendl;juzhen.set();coutvv"矩陣是："vvendl;juzhen.show();coutvv"轉(zhuǎn)置后矩陣是："vvendl;juzhen.zhanz();}實驗結(jié)果叵]'叵]'E:\vc6B0\MyProjerts\edaf\Debug\edaf.exe"point構(gòu)造畫翹號週用幘輸入3朗矩降篩教據(jù)434215323矩陣是：4 3 4E1 5H23轉(zhuǎn)萱后矩陣是：4 2 3125 3Point析構(gòu)函數(shù)被調(diào)用Pressanykeytocontinuev.使用動態(tài)內(nèi)存分配生成動態(tài)數(shù)組來重新完成上題使用指針實現(xiàn)函數(shù)的功能。源代碼和說明：#include<iostream>usingnamespacestd;classzhuz{public:zhuz(){cout<<"zhuz構(gòu)造函數(shù)被調(diào)用"<<endl;p=newint[3][3];}~zhuz(){cout<<"zhuz析構(gòu)函數(shù)被調(diào)用"<<endl;delete[]p;}voidset(){inti,j;cout<<"請輸入3*3矩陣數(shù)據(jù)"vvendl;for(i=0;i<=2;i++){for(j=0;jv=2;j++)cin>>p[i][j];}}voidshow(){inti,j;for(i=0;iv=2;i++){for(j=0;jv=2;j++){coutvvp[i][j]vv"";}coutvvendl;}}voidzhuanz(){inti,j,k;for(i=0;iv=2;i++){for(j=0;jv=i;j++){k=p[j][i];p[j][i]=p[i][j];p[i][j]=k;}}for(i=0;iv=2;i++){for(j=0;jv=2;j++)

cout<<p[i][j]<<"";cout<<p[i][j]<<"";}cout<<endl;}}private:int(*p)[3];};intmain(){zhuza;a.set();coutvv"矩陣是："vvendl;a.show();coutvv"轉(zhuǎn)置后矩陣是："vvendl;a.zhuanz();}實驗結(jié)果：vi.拷貝構(gòu)造2）題中的矩陣類對象，運行程序看看是否存在問題，應該如何改進。（提示：深淺拷貝）vi.源代碼和說明：#include<iostream>usingnamespacestd;classzhuz{public:zhuz(){cout<<"zhuz構(gòu)造函數(shù)被調(diào)用"<<endl;}~zhuz(){cout<<"zhuz析構(gòu)函數(shù)被調(diào)用"<<endl;delete[]p;}zhuz(zhuz&q){inti,j;p=newint[3][3];for(i=0;i<=2;i++){for(j=0;j<=2;j++)p[i][j]=q.p[i][j];}}voidset(){inti,j;cout<<"請輸入3*3矩陣數(shù)據(jù)"vvendl;p=newint[3][3];for(i=0;iv=2;i++){for(j=0;jv=2;j++)cin>>p[i][j];}voidshow(){inti,j;for(i=0;i<=2;i++){for(j=0;j<=2;j++)cout<<p[i][j]<<""cout<<endl;}}voidzhuanz(){inti,j,t;for(i=0;i<=2;i++){for(j=0;j<=i;j++){t=p[j][i];p[j][i]=p[i][j];p[i][j]=t;}}for(i=0;i<=2;i++){for(j=0;j<=2;j++)cout<<p[i][j]<<""cout<<endl;}}private:int(*p)[3];};voidmain(){zhuza;a.set();coutvv"矩陣是："vvendl;a.show();coutvvendl;coutvv"轉(zhuǎn)置后矩陣是："vvendl;zhuanz();coutvv'第二個矩陣是："vvendl;zhuzb(a);show();}試驗結(jié)果：轉(zhuǎn)置后矩陣是:5 3 63 2 8第二個矩陣是:5 3 63 2 8NhUN析構(gòu)I茲』屜函數(shù)撤Pressanykey用用continue周周轉(zhuǎn)置后矩陣是:5 3 63 2 8第二個矩陣是:5 3 63 2 8NhUN析構(gòu)I茲』屜函數(shù)撤Pressanykey用用continue周周Otvii.編程實現(xiàn)兩字符串的連接。要求使用字符數(shù)組保存字符串，不要使用系統(tǒng)函數(shù)。源代碼和說明：#includeviostream>usingnamespacestd;voidString(char*a,char*b){

char*p;p=a;while(*p!=NULL)p++;while(*b!=NULL){p++;b++;intmain(){charshuz1[20];charshuz2[20];<<endl;<<endl;<<endl;<<endl;<<endl;<<endl;cin>>shuz1;cout<<"請輸入第二個字符串cin>>shuz2;String(shuz1,shuz2);cout<<"組合后的字符串是：cout<<shuz1<<endl;}實驗結(jié)果：viii.使用string類定義字符串對象，重新實現(xiàn)上一小題。?源代碼和說明:#include<string>#include<iostream>usingnamespacestd;intmain(){stringshuz1="abc",shuz2="bcd";cout<<"請輸入第一個字符串"vvendl;cin>>shuz1;coutvv"請輸入第二個字符串"vvendl;cin>>shuz2;shuz1+=shuz2;coutvv"組合后字符串是："vvendl;coutvvshuz1;coutvvendl;}實驗結(jié)果:ix.定義Body類的數(shù)組，評測班級每個同學的身體狀況。源代碼和說明：#include<iostream>usingnamespacestd;classBody{public:Body(){coutvv"Body構(gòu)造函數(shù)被調(diào)用"vvendl;}~Body(){coutvv"Body析構(gòu)函數(shù)被調(diào)用"vvendl;}voidGetweight(doubleW){Weight=W;}voidGethigh(doubleH){High=H;}voidshowWei(){coutvv"該同學體重是："vvWeightvvendl;}voidshowH(){coutvv"該同學身高是："vvHighvvendl;}doubleshow(){returnHigh/Weight;}private:doubleWeight;doubleHigh;};voidmain(){inti,k;doublea,b,n,j=3.2;coutvv'請輸入要測試的同學的個數(shù)";cin>>k;Body*people=newBody[k];for(i=0;iv=k-1;i++){coutvv'請輸入第"vvi+lvv"個同學的身高";cin>>a;people[i].Gethigh(a);coutvv"*****************體^^"?cin>>b;people[i].Getweight(b);}coutvvendlvvendl;for(i=0;iv=k-l;i++){

n=people[i].show();if(n<j)coutvv"pU"vvi+lvv"該同學偏:胖"vvendl;elseif(n==j)coutvv"pU"vvi+1vv"該同學偏正常"vvendl;elsecoutvv"pU"vvi+1vv"該同學偏:瘦"vvendl;people[i].showH();people[i].showWei();coutvvendl;}delete[]people;}實驗結(jié)果：tocontinue：瘦:165:49llil-:172:6Q>0<>0<>0<?0<?0<?0<?0<耳><耳I'C:\Users\asdasdw\Debug\asdasdw.exe"-EE甬甬.■■■■.tocontinue：瘦:165:49llil-:172:6Q>0<>0<>0<?0<?0<?0<?0<耳><耳I'C:\Users\asdasdw\Debug\asdasdw.exe"-EE甬甬.■■■■.二a弔nJ數(shù)數(shù)數(shù)ke函函函y:154:42實驗七繼承與派生實驗（驗證性實驗 4學時）目的要求：學習定義和使用類的繼承關(guān)系，定義派生類；熟悉不同繼承方式下對基類成員的訪問控制；學習利用虛基類解決二義性問題。2.實驗內(nèi)容：1)定義一個基類Animal，有私有整型成員變量age，構(gòu)造其派生類dog,在其成員函數(shù)SetAge(intn)中直接給age賦值，看看會有什么問題，把age改為公有或保護成員變量，還會有問題嗎？編程試試看，說明了什么原則？#include<iostream>usingnamespacestd;classAnimal{public:Animal(){cout<<"Animal構(gòu)造函數(shù)被調(diào)用"<<endl;}~Animal(){cout<<"Animal析構(gòu)函數(shù)被調(diào)用"<<endl;}//private://protected:intage;};classdog:publicAnimal{public:dog(){cout<<"dog構(gòu)造函數(shù)被調(diào)用"<<endl;}~dog(){cout<<"dog析構(gòu)函數(shù)被調(diào)用"<<endl;}voidSetAge(intn);voidshow(){cout<<"年齡是："cout<<age<<endl;}};voiddog::SetAge(intn){n=3;age=n;}intmain(){intt;dogb;b.SetAge(t);b.show();}試驗結(jié)果：x. 定義一個基類BasClass,有整型成員變量Number,構(gòu)造其派生類DerivedClass,觀察構(gòu)造函數(shù)和析構(gòu)函數(shù)的執(zhí)行情況和執(zhí)行順序。源代碼和說明:#include<iostream>usingnamespacestd;classBasClass{public:BasClass(){cout<<"BasClass構(gòu)造函數(shù)被調(diào)用"vvendl;}~BasClass(){coutvv"BasClass析構(gòu)函數(shù)被調(diào)用"vvendl;}};classDerivedClass:publicBasClass{public:DerivedClass(){coutvv"DerivedClass構(gòu)造函數(shù)被調(diào)用"vvendl;}~DerivedClass(){coutvv"DerivedClass析構(gòu)函數(shù)被調(diào)用"vvendl;}private:};intmain(){DerivedClassa;}實驗結(jié)果:xi. 定義一個車（vehicle）基類，具有MaxSpeed、Weight等成員變量，Run、Stop等成員函數(shù)，由此派生出自行車（bicycle）類，汽車（motorcar）類。自行車（bicycle）類有高度（Height）等屬性，汽車（motorcycle）類有座位數(shù)（SeatNum）等屬性。從bicycle和Motorcar派生出摩托車（motorcycle）類，在繼承過程中，注意把vehicle設(shè)置為虛基類。如果不把vehicle設(shè)置為虛基類，會有什么問？編程試試看。源代碼和說明：#include<iostream>usingnamespacestd;classvehicle{public:vehicle(){cout<<"vehicle構(gòu)造函數(shù)被調(diào)用"<<endl;}~vehicle(){cout<<"vehicle析構(gòu)函數(shù)被調(diào)用"<<endl;}voidRun(){inti,j;coutv<"請輸入最大重量和最大速度："vvendl;cin>>i>>j;MaxSpeed=i;Weight=j;}voidStop(){coutvv"MaxSpeed="vvMaxSpeedvvendl;coutvv"Weight="vvWeightvvendl;}private:doubleMaxSpeed,Weight;};classbicycle:virtualpublicvehicle{public:bicycle(){coutvv"bicycle構(gòu)造函數(shù)被調(diào)用"vvendl;}~bicycle(){coutvv"bicycle析構(gòu)函數(shù)被調(diào)用"vvendl;}private:doubleHeight;};classmotorcar:virtualpublicvehicle{public:motorcar(){cout<<"motorcar構(gòu)造函數(shù)被調(diào)用"<<endl;}~motorcar(){cout<<"motorcar析構(gòu)函數(shù)被調(diào)用"<<endl;}private:intSeatNum;};classmotorcycle:publicmotorcar,publicbicycle{public:motorcycle(){cout<<"motorcycle構(gòu)造函數(shù)被調(diào)用"<<endl;}~motorcycle(){cout<<"motorcycle析構(gòu)函數(shù)被調(diào)用"<<endl;}};intmain(){motorcyclea;a.bicycle::Run();a.bicycle::Stop();a.motorcar::Run();a.motorcar::Stop();}實驗結(jié)果

motofcart'C:\Users\Wmotofcart'C:\Users\WDASD\Debug\WDASD.exe'uehicle^pjmotorcar用二爐迴蝕掠調(diào)用hicycle構(gòu)込應戮披調(diào)ftmotorcycle構(gòu)造函數(shù)被調(diào)用請輸入最大董量和叢關(guān)速應:10060MaxSpeed=100Weight=60請礙人最大重量和最犬速度:96135MaxSpeed=961Weight=35motorcycle哼勢I數(shù)碉用vehicle析Pressanykeytocontinue實驗八多態(tài)性實驗設(shè)計性實驗2學時）1.目的要求：1.目的要求：掌握運算符重載的方法；學習使用虛函數(shù)實現(xiàn)動態(tài)多態(tài)性。實驗內(nèi)容：1）定義Point類，有坐標_x,_y兩個成員變量;對Point類重載“++”（自增）、“--”（自減）運算符，實現(xiàn)對坐標的改變。（提示：注意前++和后++）源代碼和說明：#include<iostream>usingnamespacestd;classpoint{public:point(){cout<<"point構(gòu)造函數(shù)被調(diào)用"<<endl;}~point(){cout<<"point析構(gòu)函數(shù)被調(diào)用"<<endl;}voidset(inti=1,intj=3){x=i;y=j;}voidshow(){coutvv"坐標是："vvendl;cout<<x<<""<<y<<endl;}pointoperator++();pointoperator--();pointoperator++(int);pointoperator--(int);private:intx,y;};pointpoint::operator++(){x++;y++;return*this;}pointpoint::operator--(){x--;y--;return*this;}pointpoint::operator++(int){++x;++y;return*this;}pointpoint::operator--(int){--x;--y;return*this;}intmain(){inti,j;pointa;coutvv"請輸入坐標："vvendl;cin>>i>>j;a.set(i,j);a.show();++a;a.show();--a;a.show();a++;a.show();a--;a.show();}實驗結(jié)果：xii. 定義一個車(vehicle)基類，有Run、Stop等虛成員函數(shù)，由此派生出自行車(bicycle)類、汽車(motorcar)類，從bicycle至Umotorcar派生出摩托車(motorcycle)類，它們都有Run、Stop等成員函數(shù)，利用基類指針或引用虛函數(shù)，觀察虛函數(shù)的作用，說說多態(tài)的含義，如果不采用虛函數(shù)會是什么樣的結(jié)果？源代碼和說明：#include<iostream>usingnamespacestd;classvehicle{public:vehicle(){cout<<"vehicle構(gòu)造函數(shù)被調(diào)用"<<endl;}~vehicle(){cout<<"vehicle析構(gòu)函數(shù)被調(diào)用"<<endl;}virtualvoidRun(){coutvv"設(shè)置vehicle最大速度和重量"vvendl;}virtualvoidStop(){coutvv"顯示vehicle最大速度和重量"vvendl;}private:doubleMaxSpeed,Weight;};classbicycle:publicvehicle{public:bicycle(){cout<<"bicycle構(gòu)造函數(shù)被調(diào)用"<<endl;}~bicycle(){cout<<"bicycle析構(gòu)函數(shù)被調(diào)用"<<endl;}voidRun(){coutvv"設(shè)置bicycle最大速度和重量"vvendl;}voidStop(){coutvv"顯示bicycle最大速度和重量"vvendl;}private:doubleHeight;};classmotorcar:publicvehicle{public:motorcar(){coutvv"motorcar1構(gòu)造函數(shù)被調(diào)用"vvendl;}~motorcar(){coutvv"motorcar析構(gòu)函數(shù)被調(diào)用"vvendl;}voidRun(){coutvv"設(shè)置motorcar最大速度和重量"vvendl;}voidStop(){coutvv"顯示motorcar最大速度和重量"vvendl;}private:intSeatNum;};classmotorcycle:publicmotorcar,publicbicycle{public:motorcycle(){cout<<"motorcycle構(gòu)造函數(shù)被調(diào)用"<<endl;}~motorcycle(){cout<<"motorcycle析構(gòu)函數(shù)被調(diào)用"<<endl;}voidRun(){coutvv"設(shè)置motorcycle最大速度和重量"vvendl;}voidStop(){coutvv"顯示motorcycle最大速度和重量"vvendl;}};voidfun(vehicle*p){p->Run();p->Stop();}intmain(){vehiclea0,*p;bicyclea1;motorcara2;motorcyclea3;coutvvendl;p=&a0;fun(p);p=&a1;fun(p);p=&a2;fun(p);//p=&a3;//fun(p);coutvvendl;實驗結(jié)果：l:'C:\Users\WDASD\Debug\WDASD.exe'nWnWttt.ttt;周.用用用用調(diào)用調(diào)用用劇一調(diào)調(diào)調(diào)跟跟調(diào)調(diào)斯應店甬克萬A應萬審應婁數(shù)數(shù)數(shù)數(shù)函數(shù)函數(shù)矗函函函函造函造函函奴造造造造構(gòu)造構(gòu)造造4兩奇奇喝rl構(gòu)l:'C:\Users\WDASD\Debug\WDASD.exe'nWnWttt.ttt;周.用用用用調(diào)用調(diào)用用劇一調(diào)調(diào)調(diào)跟跟調(diào)調(diào)斯應店甬克萬A應萬審應婁數(shù)數(shù)數(shù)數(shù)函數(shù)函數(shù)矗函函函函造函造函函奴造造造造構(gòu)造構(gòu)造造4兩奇奇喝rl構(gòu)rl曙C1eeeeaeaeeu-1111clellcccccrcrccri?1UJio?丄o?1yohhchththctee?1eoeoe■丄ouuhumumuhm童童童童nnfff速速速矗疑-±-±-±-K^曰￥.￥.￥.^rlrHeeeeaa1111ccccccrri?1UJUJoohhccttEE?l-l?looWV_E_E一g設(shè)顯邀顯設(shè)顯motorcycuehicletFf^llmotorcar-^ueliicle^Frmotorcar^實驗十一流內(nèi)庫與輸入、輸出

實驗（設(shè)計性實驗2學時）1.目的要求：熟悉流類庫中常用的類及其成員函數(shù)的用法；學習標準輸入輸出及格式控制；學習對文件的應用方法（二進制文件文本文件）。2.實驗內(nèi)容：1）觀察以下程序的輸出，注意對輸出格式的控制方法。//Iab11_1.cpp#include<fstream>Usingnamespacestd;#defneD(a)T<<#a<<endl;aOfstreamT(“output.out”);Voidmain(){D(inti=53;)D(floatf=4700113.141593;)Char*s="Isthereanymore?”;D(T.setf(ios::unitbuf);)D(T.setf(ios::showbase);)D(T.setf(ios::uppercase);)D(T.setf(ios::showpos);)D(T<<i<<endl;)D(T.setf(ios::hex,ios::basefield);)D(T<<i<<endl;)D(T.unsetf(ios::uppercase);)D(T.setf(ios::oct,ios::basefield);)D(T<<i<<endl;)D(T.setf(ios::showbase);)D(T.setf(ios::dec,ios::basefield);)D(T.setf(ios::left,ios::adjustfield);)D(T.Jill(?0>);)D(T<<“fillchar:”<<T.fll()<<endl;)D(T.windrh(8);)T<<i<<endl;D(T.setf(ios::right,ios::adjustfield);)D(T.windth(8);)T<<i<<endl;D(T.setf(ios::internal,ios::adjustfield);)D(T.windth(8);)T<<i<<endl;D(T<<iendl;)//Withoutwidth(10)D(T.unsetf(ios::showpoint);)D(T.setf(ios::showpoint);)D(T.<<“prec="<<T.precision()<<endl;)D(T.setf(ios::scientific,ios::floatfield);)D(T<<endl<<f<<endl;)D(T.setf(ios::fixed,ios::floatfield);)D(T<<f<<endl;)D(T.setf(0,ios::floatfield);)//AutomaticD(T<<f<<endl;)D(T.preci