訂餐系統(tǒng)c++代碼

1、訂餐系統(tǒng)代碼#include<iostream>#include<fstream>#include<iomanip>#include<cstring>using namespace std; /菜單種類最大值#define MAX 20int static m=0;int static i=0;int static pass=0;int compare(char *a,char *b)/比對(duì)用戶名和密碼for(int i=0;i<20;i+)if(*a+!=*b+)return 0; return 1;/完全匹配 /客戶信息 struct

2、Client char name20;char password20;/注冊(cè)會(huì)員（存儲(chǔ)客戶信息）&&用戶登入void Register( ) Client user; int n;cout<<"您是否為會(huì)員？（0否 or 1是）"<<endl; cin>>n; if(n=0) cout<<"*用戶注冊(cè)模塊*"<<endl<<"請(qǐng)輸入."<<endl<<"注冊(cè)用戶名：" ofstream client(&q

3、uot;用戶信息.txt");if(!client)cout<<"用戶信息打開(kāi)失敗！"<<endl;return; cin>>; cout<<"注冊(cè)密碼：" cin>>user.password; /保存用戶信息 client<<'_'<<<<','<<user.password<<endl; cout<<"注冊(cè)成功！"<

4、<endl; pass=1; else cout<<"請(qǐng)輸入."<<endl; cout<<"用戶名：" cin>>; cout<<endl<<"密碼:"cin>>user.password;ifstream guest("用戶信息.txt");if(!guest)cout<<"用戶信息.txt打開(kāi)失??！"<<endl;return; /比對(duì)輸入的用戶信息和已存儲(chǔ)的

5、用戶信息char name20,password20,ch;int i=0,j=0; while(guest>>ch&&j<20) for( i=0;i<20;i+)if(ch=',')break; if(ch='_')guest>>ch;namei=ch; for(i=0;i<20;i+) if(ch='_')break; if(ch=',')guest>>ch;passwordi=ch; if(compare(,name)=1)&&

6、amp;(compare(user.password,password)=1)cout<<"用戶登入成功！"<<endl;pass=1;break; j+; if(pass=0)cout<<"登錄失敗！請(qǐng)檢查用戶名和密碼輸入是否正確！"<<endl; void Convert( )/購(gòu)物車(chē),今日菜單 char cf,s20; int j=0,k=0; int n; ofstream out("購(gòu)物車(chē).txt"); if(!out)cout<<"購(gòu)物車(chē).txt打開(kāi)失敗

7、！"<<endl;return ;ofstream Menu("今日菜單.txt"); if(!Menu)cout<<"今日菜單.txt打開(kāi)失??！"<<endl;return ; cout<<"*"<<"購(gòu)物車(chē)模塊"<<"*"<<endl; cout<<1<<' '<<"添加菜單名"<<endl<<2<

8、<' '<<"購(gòu)物車(chē)內(nèi)容"<<endl<<3<<' '<<"刪除菜單名"<<endl<<4<<' '<<"生成今日菜單"<<endl<<5<<' '<<"退出購(gòu)物車(chē)"<<endl; for(cout<<".",cin>>n;n!=5;co

9、ut<<".",cin>>n) if(n=1) cout<<"-添加菜單名（!結(jié)束輸入）："<<endl;/添加菜單名 cin>>cf; while(cf!='!') out<<cf; si=cf; /寫(xiě)購(gòu)物車(chē) out<<' ' i+;/全局變量i /i個(gè)菜名 cin>>cf; cout<<endl; out.close();if(n=2)cout<<"-購(gòu)物車(chē)內(nèi)容："<<

10、endl; for(j=0;j<i;j+) cout<<sj<<"," cout<<endl; if(n=3)cout<<"-刪除菜單名（!結(jié)束輸入）："<<endl;/刪除菜單名 for(cin>>cf;cf!='!'cin>>cf)/對(duì)比輸入單號(hào)for(j=0;j<i;j+)if(sj=cf)sj=' 'k=1; if(k=1)cout<<"您的操作成功！"<<endl; if(n

11、=4) /提交訂單 j=0; while(j<i)/選擇寫(xiě)入今日菜單.txt Menu<<sj<<' 'k=3;j+; Menu.close();if(k=3)cout<<"今日菜單生成！"<<endl; out.close();Menu.close(); /今日菜單模塊，留言板模塊，購(gòu)物車(chē)模塊，注冊(cè)登錄模塊，用戶中心模塊void Show(ifstream &y)/顯示函數(shù) char ch; while(y>>ch)if(ch>='1'&&ch&

12、lt;='MAX')cout<<" " cout<<ch; cout<<endl;void message(ofstream &c)/留言模塊char ch; cin>>ch; while(ch!='!') c<<ch;cin>>ch; cout<<endl<<"-謝謝您的留言，我們會(huì)努力做得更好！"<<endl;int main()char n,ch; int i=0,k=0,option; ofstrea

13、m Message("留言.txt"); if(!Message)cout<<"留言.txt打開(kāi)失??！"<<endl;return 1; ofstream Menu("今日菜單.txt"); if(!Menu)cout<<"今日菜單.txt打開(kāi)失敗！"<<endl;return 1; ifstream y1("新菜推薦.txt"); if(!y1)cout<<"新菜推薦.txt打開(kāi)失敗！"<<endl;r

14、eturn 1; ifstream y2("熱菜推薦.txt"); if(!y2)cout<<"熱菜推薦.txt打開(kāi)失?。?quot;<<endl;return 1; ifstream y3("食堂動(dòng)態(tài).txt"); if(!y3)cout<<"食堂動(dòng)態(tài).txt打開(kāi)失??！"<<endl;return 1; ifstream menu("今日菜單.txt"); if(!menu)cout<<"今日菜單.txt打開(kāi)失敗！"<

15、<endl;return 1; Register(); if(pass=0)return 1;cout<<"*"<<"歡迎進(jìn)入訂餐系統(tǒng)"<<"*"<<endl;cout<<endl<<1<<' '<<"熱菜推薦"<<endl<<2<<' '<<"新菜推薦"<<endl <<3<<&

16、#39; '<<"購(gòu)物車(chē)" <<endl<<4<<' '<<"食堂動(dòng)態(tài)"<<endl <<5<<' '<<"今日菜單"<<endl<<6<<' '<<"留言" <<endl <<7<<' '<<"退出系統(tǒng)！"<<

17、endl;cout<<"*"<<endl;cout<<"。"for(cin>>option;option!=7;cout<<"。",cin>>option)switch(option) case 1:Show(y1);cout<<"-"<<endl;break;/顯示熱菜推薦 case 2:Show(y2);cout<<"-"<<endl;break;/顯示新菜推薦 case

18、3:Convert( );break; /錄入您選擇的菜號(hào)，輸入完畢可以查看購(gòu)物車(chē) case 4:/顯示食堂動(dòng)態(tài) cout<<"-"<<"今日食堂動(dòng)態(tài)："<<"-"<<endl; while(y3>>ch) if(ch=',')cout<<endl;continue; cout<<ch; cout<<endl<<"-"<<endl; break; case 5: /顯示今日菜單內(nèi)容菜單cout<<"您今日菜單如下:"<<endl;Show(menu);