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À§ÈÅÁËÂù¾ÃÁË....Çó´óÉñ°ïæ½â´ð³ÌÐò´íÔÚÄÄÀï....ÒÉÎʶ¼ÔÚ³ÌÐòÅÔ±ß×¢ÊͳöÀ´ÁË¡£ ÐÂÊÖÌù£¬Ã»Ê²Ã´½ð±Ò£¬±§Ç¸....½ñºóŬÁ¦×¬½ð±Ò¡£ ·Ç³£¸Ðл..... ![]() Ô´³ÌÐòÈçÏ£º //Í·Îļþ #include<iostream> class Port { private: char* brand; char style[20]; int bottles; public: Port(const char* br="none", const char* st="none", int b=0); Port(const Port& p); virtual ~Port() {delete [] brand;} Port& operator =(const Port& p); Port& operator+=(int b); Port& operator-=(int b); int BottleCount() const {return bottles;} virtual void Show() const; friend std: stream& operator<< (std: stream& os, const Port& p);}; class VintagePort: public Port { private: char* nickname; int year; public: VintagePort(); VintagePort(const char* br, int b, const char* nn, int y); VintagePort(const VintagePort& vp); ~VintagePort() {delete [] nickname;} VintagePort& operator= (const VintagePort& vp); virtual void Show() const; friend std: stream& operator<< (std: stream& os, const VintagePort& vp);}; //ʵÏÖÎļþ #include<iostream> #include<cstring> #include"Port.h" Port: ort(const char* br, const char* st, int b){ brand=new char[strlen(br)+1]; strcpy(brand, br); strncpy(style, st, 20); bottles=b; } Port: ort(const Port& p){ brand=new char[strlen(p.brand)+1]; strcpy(brand, p.brand); strncpy(style, p.style, 20); bottles=p.bottles; } Port& Port: perator = (const Port& p){ if (this==&p) return *this; delete [] brand; brand=new char[strlen(p.brand)+1]; strcpy(brand, p.brand); strncpy(style, p.style, 20); bottles=p.bottles; return *this; } Port& Port: perator += (int b){ bottles+=b; return *this; } Port& Port: perator -=(int b){ if (b<=bottles) bottles-=b; else std::cout<< "You can't take more bottles than we have!\n" << "Operation cancelled!\n"; return *this; } void Port::Show ()const { std::cout<< "Brand: "<< brand << "\nKind: "<< style << "\nBottles: "<< bottles <<std::endl; } std: stream& operator<< (std: stream& os, const Port& p){ os << p.brand << ", " << p.style << ", " << p.bottles; return os; } VintagePort::VintagePort() ort(){ nickname=new char[5]; strcpy(nickname, "none" ;year=0; } VintagePort::VintagePort(const char* br, int b, const char* nn, int y) ort(br, "vintage", b){ nickname=new char[strlen(nn)+1]; strcpy(nickname, nn) ; year=y; } VintagePort::VintagePort(const VintagePort& vp) ort(vp){ nickname=new char[strlen(vp.nickname)+1]; strcpy(nickname, vp.nickname); year=vp.year; } VintagePort& VintagePort: perator = (const VintagePort& vp){ Port: perator = (vp);delete [] nickname; nickname=new char[strlen(vp.nickname)+1]; strcpy(nickname, vp.nickname); year=vp.year; return *this; } void VintagePort::Show () const { Port::Show (); std::cout<< "Nickname: " << nickname << "\nYear: " << year << std::endl; } std: stream& operator<< (std: stream& os, const VintagePort& vp){ os << (const Port& vp; os << ", " << vp.nickname << ", " << vp.year; return os; } //Ö÷³ÌÐò #include<iostream> #include"Port.h" int main() { using std::cout; using std::cin; using std::endl; Port* pointer[10]; pointer[0]=&Port("Lafite", "tawny", 27); pointer[1]=&Port("Latour", "ruby", 23); pointer[2]=&VintagePort("Haut-Brion", 35, "The Noble", 1875); pointer[3]=&VintagePort("Margaux", 56, "Old Velvet", 1898); for (int k=0;k<4;k++) //Õâ¸ö²»ÊÇÖ÷³ÌÐòµÄ²¿·Ö£¬ÎÒÊÇÏëÓÃÀ´²âÊÔ£¬ÎÒÓûùÀàÖ¸Õëµ÷ÓÃShow()º¯ÊýµÄ½á¹û£¬ //½á¹ûÓëÎÒÔ¤ÏëµÄ²»Ò»Ñù£¬ÎÒµÄShow£¨£©º¯ÊýÊÇÐéÄâµÄ£¬ÎÒÓûùÀàÖ¸Õ루Port*£©Ö¸ÏòÅÉÀà¶ÔÏó { pointer[k]->Show (); //ÓÃpointer[0]->Show()µÄʱºò£¬Ó¦¸ÃÊǵ÷ÓÃPort::Show(),Õâ¸öµ÷ÓÃÊÇÕýÈ·µÄ£¬µ«ÊÇÎÒµÄbrand³ÉÔ±ÏÔʾȴ³öÏÖÁËÂÒÂ룬Õâ¸ö²»Ã÷°×ÊÇÔõô»ØÊ¡£ cout << endl; //ÓÃpointer[2]->Show()µÄʱºò£¬Ó¦¸ÃÊǵ÷ÓÃVintagePort::Show(),Õâ¸öµ÷ÓÃÊÇ´íµÄ£¬½á¹ûµ÷ÓõÄÊÇPort::Show()£¬¶øÇÒÓëÉÏÃæÒ»Ñùbrand³ÉÔ±ÏÔʾȴ³öÏÖÁËÂÒÂë¡£ } Port& b=Port("Lafite", "tawny", 27); //ÎÒÕâÀïÓûùÀàÒýÓÃÖ¸Ïò»ùÀà¶ÔÏó£¬ÓÃÒýÓõ÷ÓõÄʱºò£¬¾Í²»³öÏÖÂÒÂ룬ËùÒÔÎÒ¾õµÃÓ¦¸ÃÎÊÌâ³öÏÖÔÚÖ¸ÕëÉÏ b.Show (); //µ«ÊÇ£¬ÊµÔÚÏë²»µ½ÊÇΪʲô£¿ Çó½â´ð¡£ cout << b <<endl; Port& a=VintagePort("Margaux", 56, "Old Velvet", 1898); a.Show(); //»¹ÓÐÕâÀÎÒÓûùÀàÒýÓÃÖ¸ÏòÅÉÉú¶ÔÏó£¬ÔÚµ÷ÓÃShow()µÄʱºò£¬¾Íµ÷ÓõÄÊÇVintagePort::Show()£¬ÊÇÕýÈ·µÄ¡£ cout << a << endl; //µ«ÊÇÕâÀïÓÖ³öÏÖÁËÎÊÌ⣬ÎÒÖØÔØµÄcout << a£¬Ó¦¸ÃÐèÒªÏÔʾnicknameºÍyearµÄ£¬µ«ÊÇÈ´Óëcout << bÊÇÒ»ÑùµÄ,ÊÇÎÒµÄÖØÔØ³öÏÖÎÊÌâÁËô£¿£¿ int choice,i=4; cout << "Do you want to take or save port(s)? (1 to take/2 to save/q to quit)"; while (cin >> choice) { if (choice==1) { int kind=0,num=0; cout << "Which brand do you need?(1:Lafite, 2:Latour, 3:Haut-Brion, 4:Margaux)"; cin >> kind; cin.get(); switch (kind) { case 1: { cout << "How many bottles do you need?\n"; cout << "There're " << pointer[0]->BottleCount() << " saved.\n"; cin >> num; *pointer[0]-=num; pointer[0]->Show(); break; } case 2: { cout << "How many bottles do you need?\n"; cout << "There're " << pointer[1]->BottleCount() << " saved.\n"; cin >> num; *pointer[1]-=num; pointer[1]->Show(); break; } case 3: { cout << "How many bottles do you need?"; cout << "There're " << pointer[2]->BottleCount() << " saved.\n"; cin >> num; (Port& *pointer[2]-=num; //»òÕßÖ±½ÓÓÃ*pointer[2]-=num;ÒòΪ-=µÄº¯²ÎΪPort&,¿ÉÒÔÖ¸ÏòVintagePort¡£pointer[2]->Show(); break; } case 4: { cout << "How many bottles do you need?"; cout << "There're " << pointer[3]->BottleCount() << " saved.\n"; cin >> num; *pointer[3]-=num; pointer[3]->Show(); break; } default: cout << "That's not a choice!\n"; } } else { int num=0; cout << "Please enter the brand:"; //ÕâÀïÎÒÎÞ·¨½øÐÐÊäÈë¡£ char temp[50]; cin.getline(temp, 50); cin.get(); if (temp=="Lafite" //ÎÒÕâÀïµÄ×Ö·û´®µÄ±È½ÏÓ¦¸ÃÊÇÓÐÎÊÌâµÄ£¬²»ÄÜÓÃ==Åжϡ£{ cout << "Save bottles: "; cin >> num; *pointer[0]+=num; pointer[0]->Show(); } else if (temp=="Latour" ![]() { cout << "Save bottles: "; cin >> num; *pointer[1]+=num; pointer[1]->Show(); } else if (temp=="Haut-Brion" ![]() { cout << "Save bottles: "; cin >> num; *pointer[2]+=num; pointer[2]->Show(); } else if (temp=="Margaux" ![]() { cout << "Save bottles: "; cin >> num; *pointer[3]+=num; pointer[3]->Show(); } else { cout << "Enter the style: "; char s_temp[10]; cin.getline(s_temp, 10); if (s_temp=="vintage" //ÕâÀïµÄÅжÏÒ²ÓÐÎÊÌâ¡£{ cout << "Enter the nickname: "; char n_temp[20]; cin.getline(n_temp, 20); cout << "Enter the year: "; int y_temp; cin >> y_temp; cout << "Enter the bottles: "; int b_temp; cin >> b_temp; pointer=&VintagePort(temp, b_temp, n_temp, y_temp); } else { cout << "Enter the bottles: "; int b_temp; cin >> b_temp; pointer=&Port(temp, s_temp, b_temp); } } } ++i; cout << "Do you want to take or save port(s)? (1 to take/2 to save/q to quit)"; } char ch; cin.get(); cout << "Do you want to see all the Port's information?(y/n) "; //×îºó»¹ÓÐÕâÀÎÞ·¨½øÐÐÊäÈë.... cin.get(ch); if (ch=='y'||ch=='Y') for (int c=0;c<i;++c) cout << *pointer[c] << endl; cout << "Bye!\n"; return 0; } [ Last edited by lhy317409772 on 2014-1-8 at 22:49 ] |
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lhy317409772
Òø³æ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 709.7
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- ³æºÅ: 2735808
- ×¢²á: 2013-10-19
- ÐÔ±ð: GG
- רҵ: ¿ØÖÆÀíÂÛÓë·½·¨

2Â¥2014-01-08 22:50:57
ľҶÇå·ç
ľ³æ (ÕýʽдÊÖ)
- Ó¦Öú: 18 (СѧÉú)
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lhy317409772: ½ð±Ò+5, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ÒѾ½â¾öÁ˴󲿷ÖÎÊÌâ¡£ 2014-01-12 23:03:16
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lhy317409772: ½ð±Ò+5, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ÒѾ½â¾öÁ˴󲿷ÖÎÊÌâ¡£ 2014-01-12 23:03:16
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3Â¥2014-01-09 22:29:39
lhy317409772
Òø³æ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 709.7
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- ×¢²á: 2013-10-19
- ÐÔ±ð: GG
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·Ç³£¸Ðл£¬ÎÊÌâÒѾ½â¾öÁ˾ø´ó²¿·Ö.... ÕâÀﻹÓÐһЩÒÉÎÊ£¬Ï£ÍûÄܵõ½½â¾ö£º 1.ÈçºÎ·¢´úÂëÌû×Ó£¬ÎҵķûºÅ±ä³É±íÇéÁË£¬×¢Òâµ½ÄúµÄ´úÂëÍâÃæ´©ÁËÂí¼×£ºcode,ÇëÎÊÔõô×öµ½µÄ....ÎÒÊÇÐÂÈË£¬ºÙºÙ¡£ 2.Port &&b = Port("Lafite", "tawny", 27); ÕâÀïºÃÏñÓдíÎ󣬱¨´í ÒýÓÃÎÞ·¨¸³Öµ¸øÒýÓÃ..... Äú˵£¬Ö»Óг£Á¿ÒýÓúÍÓÒÖµÒýÓÿÉÒÔ°ó¶¨ÔÚÒ»¸öÁÙʱ±äÁ¿ÉÏ£¬ÎÒдµÄÊÇPort& b = Port("Lafite", "tawny", 27);ÎÒ°Ñ×óÖµÒýÓðó¶¨ÔÚÁËÁÙʱ±äÁ¿ÉÏ(ÇëÎÊ£¬Äú˵ÊDz»¹æ·¶µÄ£¬ÕâÀïÊÇΪʲô²»¹æ·¶£¿)£¬const Port &b = Port("Lafite", "tawny", 27);Õâ¸öÊǰѳ£Á¿ÒýÓðó¶¨ÔÚÁÙʱ±äÁ¿ÉÏ£¬µ«ÊÇÇëÎÊһϰÑÓÒÖµÒýÓðó¶¨ÔÚÁÙʱ±äÁ¿ÉÏÊÇʲôÀý×Ó£¿ 3. pointer[5] = new VintagePort(temp, b_temp, n_temp, y_temp); ÕâÀïΪʲôҪnewÒ»¸öVintagePort£¿ »¹ÊÇÒòΪֻÄܶÔ×óÖµ½øÐÐÈ¡µØÖ·²Ù×÷£¿Èç¹û½ö½öÊÇ Port("Lafite", "tawny", 27);ÕâÀï´´½¨µÄÊÇÁÙʱ±äÁ¿Ã´£¿£¿ 4. cout << "Do you want to see all the Port's information?(y/n) "; //×îºó»¹ÊÇÎÞ·¨ÊäÈë¡£ char infor; cin.get();//ÎÒÔÚÕâÀïÒѾÓÃÕâ¸ö°Ñcin >> choice;ÁôϵÄ\n¸øÏú»ÙÁË£¬µ«ÊÇÏÂÃæÒ»¸ö¶ÁÈ¡»¹ÊDz»Äܹ¤×÷¡£ cin.get(infor); if (infor=='y'||infor=='Y') for (int c=0;c<i;++c) cout << *pointer[c] << endl; else cout << "Bye!\n"; Ê®·Ö¸Ðл¡£ |

4Â¥2014-01-12 23:00:23
lhy317409772
Òø³æ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 709.7
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- ×¢²á: 2013-10-19
- ÐÔ±ð: GG
- רҵ: ¿ØÖÆÀíÂÛÓë·½·¨

5Â¥2014-01-12 23:12:01
ľҶÇå·ç
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- ×¢²á: 2006-09-02
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1 ¸ß¼¶»Ø¸´¿ÉÒÔ²åÈë´úÂë 2 ÓÒÖµÒýÓÃÐèÒªc++11Ö§³Ö£¬±àÒëµÄʱºò´øÉÏÑ¡Ïvs2012ºÍ2013¶¼ÊÇÖ±½Ó±àÒë¾ÍÐÐÁË£¬ÒªÊÇûÓÐÕâô¸ß°æ±¾µÄ±àÒëÆ÷ÓÖ²»ÏëÓÃg++£¬ÄÇÖ±½Ó¸Ä³Éconst Port&¾ÍÐÐÁË£»ÖÁÓÚÁÙʱ±äÁ¿µÄÎÊÌâÎÒÖ»ÄÜ˵ºÃºÃµÄÕÒ±¾c++µÄÊé¿´¿´£» 3 ÎÒÖ»ÄÜ˵ÄÇȷʵÊǸöÁÙʱ±äÁ¿£¬ÎÒ´úÂëÀïÃæÃ»ÓÐдÊÍ·ÅÄÚ´æµÄ²¿·Ö£¬ÒòΪÎÒ²»ÖªµÀÄãµ½µØÊÇÏëÓÃ5»¹ÊǶàÉÙ£¬ÐèÒª×Ô¼º°ÑÕⲿ·Ö´úÂë²¹ÉÏ£» 4 °ÑquitµÄ²¿·ÖÖ±½Ó¸Ä³É3»òÕ߯äËüÊý×Ö£¬cin >> choice£¬ ÄãÊäÈëÒ»¸ö×ÖĸËãʲôѽ£» 5 °ÑÊä³öµÄ²¿·Öд³ÉÐ麯Êý£¬»òÕßÓÃRTTI²é¿´ÊDz»ÊÇÅÉÉúÀ࣬Êǵϰ½øÐÐת»»ÔÙÊä³ö¡£ |

6Â¥2014-01-13 13:41:00
lhy317409772
Òø³æ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 709.7
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- ÔÚÏß: 10.3Сʱ
- ³æºÅ: 2735808
- ×¢²á: 2013-10-19
- ÐÔ±ð: GG
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