本文實例為大家分享了C語言點菜系統的具體代碼，供大家參考，具體內容如下

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

#include

#include

#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='\0';

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='\0';

struct List yuan; /* yuan前不用加“*” */

struct cai a[30]={

{0,"\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",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},{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");

}

總結

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