本文实例为大家分享了C语言点餐系统的具体代码，供大家参考，具体内容如下
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#include<iostream>#include<fstream>#include<string>#include<conio.h>using namespace std;class shiwu{public: string mingzi; int price; shiwu(){} shiwu(string n,int p):mingzi(n),price(p){}};shiwu zhucan[3]={shiwu("大汉堡",13),shiwu("烤肉饭",13),shiwu("鸡肉卷",11)};shiwu fushi[3]={shiwu("麻辣鸡钉",9),shiwu("劲爆鸡米花",9),shiwu("大薯条",6)};shiwu drink[3]={shiwu("可口可乐",5),shiwu("拿铁咖啡",6),shiwu("热牛奶",6)};class Taocan{public: string mingzi; shiwu tc[3]; int price; Taocan(){} Taocan(string n,shiwu a,shiwu b,shiwu c) { mingzi=n; tc[0]=a; tc[1]=b; tc[2]=c; price=a.price+b.price+c.price-10; }};Taocan taocan[3]={Taocan("鸡腿鸡翅套餐",zhucan[0],fushi[0],drink[0]),Taocan("鳕鱼鸡米花套餐",zhucan[1],fushi[1],drink[0]),Taocan("鸡肉卷薯条套餐",zhucan[2],fushi[2],drink[0])};shiwu myshiwu[13];int mymoney;int mynum=0;void write(){ ofstream f("list.txuant"); int i; f << "KFC消费清单\n"; for(i=0;i<mynum;i++) f<<i+1<<"、"<<myshiwu[i].mingzi<<" 价格："<<myshiwu[i].price<<endl; f<<"总价格、"<<mymoney<<endl; f<<endl<<endl; f.close(); system("list.txuant");}void xuanzhucan(){ void Menu(); void Diancan(); system("cls"); cout<<"1、"<<zhucan[0].mingzi<<" 价格："<<zhucan[0].price<<endl; cout<<"2、"<<zhucan[1].mingzi<<" 价格："<<zhucan[1].price<<endl; cout<<"3、"<<zhucan[2].mingzi<<" 价格："<<zhucan[2].price<<endl; cout<<"4、返回"<<endl; char c; c=getch(); switch(c) { case '1': myshiwu[mynum]=zhucan[0];mymoney+=zhucan[0].price;mynum++; break; case '2': myshiwu[mynum]=zhucan[1];mymoney+=zhucan[1].price;mynum++; break; case '3': myshiwu[mynum]=zhucan[2];mymoney+=zhucan[2].price;mynum++; break; case '4': Diancan(); break; default: printf("\n您的按键有误，按任意键重新选择！\n"); getch(); xuanzhucan(); } printf("\n点餐成功！请按任意键继续点餐或者返回！\n"); getch(); if(mynum>10) { cout<<"您本次点餐已经达到上限！如果需要！请结算后继续点餐！"<<endl; printf("\n按任意键进入菜单！\n"); getch(); Menu(); } else xuanzhucan();}void xuanfushi(){ void Menu(); void Diancan(); system("cls"); cout<<"1、"<<fushi[0].mingzi<<" 价格："<<fushi[0].price<<endl; cout<<"2、"<<fushi[1].mingzi<<" 价格："<<fushi[1].price<<endl; cout<<"3、"<<fushi[2].mingzi<<" 价格："<<fushi[2].price<<endl; cout<<"4、返回"<<endl; char c; c=getch(); switch(c) { case '1': myshiwu[mynum]=fushi[0];mymoney+=fushi[0].price;mynum++; break; case '2': myshiwu[mynum]=fushi[1];mymoney+=fushi[1].price;mynum++; break; case '3': myshiwu[mynum]=fushi[2];mymoney+=fushi[2].price;mynum++; break; case '4': Diancan(); break; default: printf("\n您的按键有误，按任意键重新选择！\n"); getch(); xuanfushi(); } printf("\n点餐成功！请按任意键继续点餐或者返回！\n"); getch(); if(mynum>10) { cout<<"您本次点餐已经达到上限！如果需要！请结算后继续点餐！"<<endl; printf("\n按任意键进入菜单！\n"); getch(); Menu(); } else xuanfushi();}void xuandrink(){ void Menu(); void Diancan(); system("cls"); cout<<"1、"<<drink[0].mingzi<<" 价格："<<drink[0].price<<endl; cout<<"2、"<<drink[1].mingzi<<" 价格："<<drink[1].price<<endl; cout<<"3、"<<drink[2].mingzi<<" 价格："<<drink[2].price<<endl; cout<<"4、返回"<<endl; char c; c=getch(); switch(c) { case '1': myshiwu[mynum]=drink[0];mymoney+=drink[0].price;mynum++; break; case '2': myshiwu[mynum]=drink[1];mymoney+=drink[1].price;mynum++; break; case '3': myshiwu[mynum]=drink[2];mymoney+=drink[2].price;mynum++; break; case '4': Diancan(); break; default: printf("\n您的按键有误，按任意键重新选择！\n"); getch(); xuandrink(); } printf("\n点餐成功！请按任意键继续点餐或者返回！\n"); getch(); if(mynum>10) { cout<<"您本次点餐已经达到上限！如果需要！请结算后继续点餐！"<<endl; printf("\n按任意键进入菜单！\n"); getch(); Menu(); } else xuandrink();}void Taocan(){ void Menu(); void Diancan(); system("cls"); cout<<"1、"<<taocan[0].mingzi<<" 价格："<<taocan[0].price<<endl; cout<<"2、"<<taocan[1].mingzi<<" 价格："<<taocan[1].price<<endl; cout<<"3、"<<taocan[2].mingzi<<" 价格："<<taocan[2].price<<endl; cout<<"4、返回"<<endl; char c; c=getch(); switch(c) { case '1': mymoney+=taocan[0].price;myshiwu[mynum]=taocan[0].tc[0];mynum++;myshiwu[mynum]=taocan[0].tc[1];mynum++;myshiwu[mynum]=taocan[0].tc[2];mynum++; break; case '2': mymoney+=taocan[1].price;myshiwu[mynum]=taocan[1].tc[0];mynum++;myshiwu[mynum]=taocan[1].tc[1];mynum++;myshiwu[mynum]=taocan[1].tc[2];mynum++; break; case '3': mymoney+=taocan[2].price;myshiwu[mynum]=taocan[2].tc[0];mynum++;myshiwu[mynum]=taocan[2].tc[1];mynum++;myshiwu[mynum]=taocan[2].tc[2];mynum++; break; case '4': Diancan(); break; default: printf("\n您的按键有误，按任意键重新选择！\n"); getch(); Taocan(); } printf("\n点餐成功！请按任意键继续点餐或者返回！\n"); getch(); if(mynum>10) { cout<<"您本次点餐已经达到上限！如果需要！请结算后继续点餐！"<<endl; printf("\n按任意键进入菜单！\n"); getch(); Menu(); } else Taocan();}void Diancan(){ void Menu(); system("cls"); cout<<"1、主食"<<endl; cout<<"2、小吃"<<endl; cout<<"3、饮料"<<endl; cout<<"4、套餐"<<endl; cout<<"5、返回"<<endl; char c; c=getch(); switch(c) { case '1': xuanzhucan(); break; case '2': xuanfushi(); break; case '3': xuandrink(); break; case '4': Taocan(); break; case '5': Menu(); break; default: printf("\n您的按键有误，按任意键重新选择！\n"); getch(); Diancan(); } }void Zhifu(){ void Menu(); system("cls"); cout<<"您本次消费"<<mymoney<<"元！请支付现金！"<<endl; int m,s; cin>>m; s=m-mymoney; while(s<0) { cout<<"您给的现金不足，还需要"<<0-s<<"元！请继续支付现金！"<<endl; cin>>m; s=m+s; } cout<<"支付成功！找零"<<s<<"元！祝您生活愉快！"<<endl; write(); printf("\n按任意键返回菜单！\n"); getch(); Menu();}void Youhuiquan(){ void Menu(); system("cls"); printf("\n请输入您的优惠券！\n"); string yhq; cin>>yhq; if(yhq=="156157158") { cout<<"您已成功使用5元优惠券！"<<endl; mymoney=mymoney-5; } else { cout<<"对不起！您的优惠券无效！"<<endl; getch(); Menu(); } getch(); Zhifu();}void Jiesuan(){ void Menu(); system("cls"); cout<<"1、使用优惠券"<<endl; cout<<"2、直接支付"<<endl; cout<<"4、返回"<<endl; char c; c=getch(); switch(c) { case '1': Youhuiquan(); break; case '2': Zhifu(); break; case '4': Menu(); break; default: printf("\n您的按键有误，按任意键重新选择！\n"); getch(); Diancan(); } }void Show(){ void Menu(); system("cls"); int i; for(i=0;i<mynum;i++) cout<<i+1<<"、"<<myshiwu[i].mingzi<<" 价格："<<myshiwu[i].price<<endl; cout<<"总价格、"<<mymoney<<endl; printf("\n按任意键返回菜单！\n"); getch(); Menu();}void Clean(){ void Menu(); system("cls"); mynum=0; mymoney=0; printf("\n清空成功！\n按任意键返回菜单！\n"); getch(); Menu();}void Menu(){ system("cls"); cout<<endl<<endl<<"欢迎进入！"<<endl<<endl; cout<<"请选择服务："<<endl; cout<<"1、点餐"<<endl; cout<<"2、查看已点"<<endl; cout<<"3、清空已点"<<endl; cout<<"4、结算"<<endl; cout<<"5、退出"<<endl; char c; c=getch(); switch(c) { case '1': Diancan(); break; case '2': Show(); break; case '3': Clean(); break; case '4': Jiesuan(); break; case '5': exit(0); default: printf("\n您的按键有误，按任意键重新选择！\n"); getch(); Menu(); } }void main(){ Menu();} |
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原文链接：https://blog.csdn.net/FOREVERbb2/article/details/78511543
