如何用C語言實現餐廳的點菜系統

本篇內容主要講解“如何用C語言實現餐廳的點菜系統”，感興趣的朋友不妨來看看。本文介紹的方法操作簡單快捷，實用性強。下面就讓小編來帶大家學習“如何用C語言實現餐廳的點菜系統”吧!

代碼如下：

用C語言編寫的簡單的餐廳點菜系統，操作簡單，代碼不多，菜單可以自己更改，價格也是

#include<stdio.h>#include<stdlib.h>#include<conio.h>#include"windows.h"struct cai /*cai結構體 實現對菜品 已點份數、名稱、原材料 的記錄*/{ int fenshu; char name[50]; int use; int price;};typedef int ElemType;struct List /*該線性表實現對菜品原材料的剩余量的記錄，線性表【i】對應菜品的點餐菜單編碼*/{  ElemType* list; int size; int MaxSize;};/*以下為線性表的函數*/void InitList(struct List* L,int ms)  { if(ms<=0){printf("ms 值非法！\n");exit(1);} L->MaxSize=ms; L->list=malloc(ms*sizeof(ElemType)); if(!L->list) { printf("動態存儲分配失敗！");  exit(1); } L->size=0;}void againMalloc(struct List *L){ ElemType *p=realloc(L->list,2*L->MaxSize*sizeof(ElemType)); if(!p){ printf("分配存儲空間失敗！"); exit(1); }L->list=p;L->MaxSize=2*L->MaxSize;}void InsertLastList(struct List *L,ElemType x){ if(L->size==L->MaxSize) againMalloc(L); L->list[L->size]=x; L->size++;}/*表格函數*/void cddayin(struct cai a[]){ int i=0,j=0,s=0; for(i=0;i<30;i++) {if(a[i].fenshu>0) j++;} if(j!=0) { printf("已點菜/酒品編號  已點菜品名稱  已點份數/瓶數  價格\n");  for(i=0;i<30;i++)  if(a[i].fenshu>0)  {printf(" %5d     %10s%14d    %d￥  \n",i,a[i].name,a[i].fenshu,a[i].fenshu*a[i].price); s=s+a[i].fenshu*a[i].price; }   printf("           您好，您點餐價格合計=%d￥\n",s); } if(j==0)  printf("顧客尚未點餐,無法進行菜單打印!\n");}void ycliao(struct List *yuan,struct cai a[]){ int i=1,p=0,k=0; for(i=0;i<30;i++) { do{ p=a[i].use%100; yuan->list[p]=yuan->list[p]-a[i].fenshu; a[i].use=a[i].use/100; }while(a[i].use!=0); }  printf("|-------------------------------------------------------|--------------------|\n"); printf("|------------------原材料余量---------------------------|-----酒品余量-------|\n"); printf("|-------------------------------------------------------|--------------------|\n"); printf("| 10.雞肉=%3d  11.豬肉=%3d   12.魚肉=%3d | 50.雪花啤酒=%3d |\n",yuan->list[10],yuan->list[11],yuan->list[12],yuan->list[50]); printf("| 13.黃瓜=%3d  14.土豆=%3d   15.豆腐=%3d | 51.燕京啤酒=%3d |\n",yuan->list[13],yuan->list[14],yuan->list[15],yuan->list[51]); printf("| 16.茄子=%3d  17.青椒=%3d   18.牛肉=%3d | 52.二鍋頭=%3d  |\n",yuan->list[16],yuan->list[17],yuan->list[18],yuan->list[52]); printf("| 19.大蔥=%3d  20.鮮鴨血=%3d  21.花生=%3d |     |\n",yuan->list[19],yuan->list[20],yuan->list[21]); printf("| 22.花椒=%3d  23.醬=%3d   24.胡蘿卜=%3d |     |\n",yuan->list[22],yuan->list[23],yuan->list[24]); printf("| 25.辣椒=%3d  26.芹菜=%3d   27.豆皮=%3d |     |\n",yuan->list[25],yuan->list[26],yuan->list[27]); printf("|-------------------------------------------------------|--------------------|\n"); printf("|-------------------------------------------------------|--------------------|\n");}void diancai(struct cai a[]){  int p=0,wep=0; do{ printf("  |----------------------------------------------|-------------------|\n"); printf("  |----------菜品(輸入-1確認并結束點餐)----------|-------酒品--------|\n"); printf("  |----------------------------------------------|-------------------|\n"); printf("  | 1.宮爆雞丁  2.魚香肉絲  3.京醬肉絲 | 21.雪花啤酒  |\n"); printf("  | 4.地三鮮   5.水煮魚   6.麻婆豆腐 | 22.燕京啤酒  |\n"); printf("  | 7.夫妻肺片  8.拍黃瓜   9.鮮鴨血 | 23.二鍋頭  |\n"); printf("  |----------------------------------------------|-------------------|\n"); printf("  |----------------------------------------------|-------------------|\n"); scanf("%d",&p); system("CLS"); if(p>=1&&p<=9) { printf("   |------------------------------------------|\n");  printf("   |------------------份數--------------------|\n");  printf("   |------------------------------------------|\n");  printf("   | 1.一份   2.兩份     |\n");  printf("   | 3.三份   4.其他請直接輸入  |\n");   printf("   |------------------------------------------|\n");  printf("   |------------------------------------------|\n"); scanf("%d",&wep); if(wep>50) {system("CLS");printf("您輸入的值異常或過大，請您檢查輸入的值！\n");continue;}/*防止誤輸入*/ else if(wep<=50) {a[p].fenshu+=wep;  system("CLS"); } } else if(p>=21&&p<=23) {   printf("   |--------------------------------------------------------|\n");  printf("   |-------------------------酒品數量-----------------------|\n");  printf("   |--------------------------------------------------------|\n");  printf("   | 1.一瓶 2.兩瓶 3.三瓶 4.其他瓶數請直接輸入  |\n");   printf("   |--------------------------------------------------------|\n");  printf("   |--------------------------------------------------------|\n"); scanf("%d",&wep); if(wep>50) {system("CLS");printf("您輸入的值異常或過大，請您檢查輸入的值！\n");continue;}/*防止誤輸入*/ else if(wep<=50) { a[p].fenshu+=wep;  system("CLS"); } } else if(p!=-1) printf("對不起，你輸入的編碼沒有對應菜品，請重新輸入！\n");  }while(p!=-1); system("CLS"); cddayin(a);}void ycldayin(struct List yuan,struct cai a[]){ char l=''; printf("顯示原材料余量?（Y/N）\n"); l=getch(); if(l=='Y'||l=='y') {system("CLS"); ycliao(&yuan,a);} else { system("CLS"); printf("\n\n\n\n");}} main(){  int i=0; char l=''; struct List yuan;   /* yuan前不用加“*” */ struct cai a[30]={ {0,"",0}, {0,"宮爆雞丁",10131421,15},{0,"魚香肉絲",1124,14},{0,"京醬肉絲",112327,16}, {0,"地三鮮",141617,10},{0,"水煮魚",122225,50},{0,"麻婆豆腐",152225,11}, {0,"夫妻肺片",18212625,17},{0,"拍黃瓜",13252223,8},{0,"鮮鴨血",20,20}, {0,"",0},{0,"",0},{0,"",0}, {0,"",0},{0,"",0},{0,"",0}, {0,"",0},{0,"",0},{0,"",0}, {0,"",0},{0,"",0}, {0,"雪花啤酒",50,5},{0,"燕京啤酒",51,6},{0,"二鍋頭",52,4}, {0,"",0},{0,"",0},{0,"",0}, {0,"",0},{0,"",0},{0,"",0}}; InitList(&yuan,60);  for(i=0;i<60;i++) InsertLastList(&yuan,100);//+rand()%50  printf("\n\n\n\n\n\n\n\n");  printf("   |--------------------------------------------------------|\n");  printf("   |---------------- 歡迎來到春曉點餐系統! -----------------|\n");   printf("   |--------------------------------------------------------|\n"); Sleep(2500);  system("CLS");  diancai(a);    /*點餐函數，開始點餐吧！*/ ycldayin(yuan,a); printf("\n\n\n\n");  printf("   |--------------------------------------------------------|\n");  printf("   |-------------- 歡迎再次使用春曉點餐系統! ---------------|\n");   printf("   |--------------------------------------------------------|\n"); printf("\n\n\n\n\n\n");}

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