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基于C语言实现点菜系统

2020-02-13 11:32 597 查看
本文实例为大家分享了C语言点菜系统的具体代码，供大家参考，具体内容如下
用C语言编写的简单的餐厅点菜系统，操作简单，代码不多，菜单可以自己更改，价格也是
#include<stdio.h>
#include<stdlib.h>
#include<conio.h>
#include"windows.h"
struct cai /*cai结构体 实现对菜品 已点份数、名称、原材料 的记录*/
{
int fenshu;
char name[50];
int use;
int price;
};
typedef int ElemType;
struct List /*该线性表实现对菜品原材料的剩余量的记录，线性表【i】对应菜品的点餐菜单编码*/
{
ElemType* list;
int size;
int MaxSize;
};
/*以下为线性表的函数*/
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("动态存储分配失败！");
exit(1);
}
L->size=0;
}
void againMalloc(struct List *L)
{
ElemType *p=realloc(L->list,2*L->MaxSize*sizeof(ElemType));
if(!p){
printf("分配存储空间失败！");
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++;
}
/*表格函数*/
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("已点菜/酒品编号  已点菜品名称  已点份数/瓶数  价格\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，您点餐价格合计=%d￥\n",s);
}
if(j==0)
printf("顾客尚未点餐,无法进行菜单打印!\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=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.鸡肉=%3d  11.猪肉=%3d   12.鱼肉=%3d | 50.雪花啤酒=%3d |\n",yuan->list[10],yuan->list[11],yuan->list[12],yuan->list[50]);
printf("| 13.黄瓜=%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 | 52.二锅头=%3d  |\n",yuan->list[16],yuan->list[17],yuan->list[18],yuan->list[52]);
printf("| 19.大葱=%3d  20.鲜鸭血=%3d  21.花生=%3d |     |\n",yuan->list[19],yuan->list[20],yuan->list[21]);
printf("| 22.花椒=%3d  23.酱=%3d   24.胡萝卜=%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(输入-1确认并结束点餐)----------|-------酒品--------|\n");
printf("  |----------------------------------------------|-------------------|\n");
printf("  | 1.宫爆鸡丁  2.鱼香肉丝  3.京酱肉丝 | 21.雪花啤酒  |\n");
printf("  | 4.地三鲜   5.水煮鱼   6.麻婆豆腐 | 22.燕京啤酒  |\n");
printf("  | 7.夫妻肺片  8.拍黄瓜   9.鲜鸭血 | 23.二锅头  |\n");
printf("  |----------------------------------------------|-------------------|\n");
printf("  |----------------------------------------------|-------------------|\n");
scanf("%d",&p);
system("CLS");
if(p>=1&&p<=9)
{
printf("   |------------------------------------------|\n");
printf("   |------------------份数--------------------|\n");
printf("   |------------------------------------------|\n");
printf("   | 1.一份   2.两份     |\n");
printf("   | 3.三份   4.其他请直接输入  |\n");
printf("   |------------------------------------------|\n");
printf("   |------------------------------------------|\n");
scanf("%d",&wep);
if(wep>50)
{system("CLS");printf("您输入的值异常或过大，请您检查输入的值！\n");continue;}/*防止误输入*/
else if(wep<=50)
{a[p].fenshu+=wep;
system("CLS");
}
}
else if(p>=21&&p<=23)
{

printf("   |--------------------------------------------------------|\n");
printf("   |-------------------------酒品数量-----------------------|\n");
printf("   |--------------------------------------------------------|\n");
printf("   | 1.一瓶 2.两瓶 3.三瓶 4.其他瓶数请直接输入  |\n");
printf("   |--------------------------------------------------------|\n");
printf("   |--------------------------------------------------------|\n");
scanf("%d",&wep);
if(wep>50)
{system("CLS");printf("您输入的值异常或过大，请您检查输入的值！\n");continue;}/*防止误输入*/
else if(wep<=50)
{
a[p].fenshu+=wep;
system("CLS");
}
}
else if(p!=-1)
printf("对不起，你输入的编码没有对应菜品，请重新输入！\n");
}while(p!=-1);
system("CLS");
cddayin(a);
}
void ycldayin(struct List yuan,struct cai a[])
{
char l='\0';
printf("显示原材料余量?（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,"宫爆鸡丁",10131421,15},{0,"鱼香肉丝",1124,14},{0,"京酱肉丝",112327,16},
{0,"地三鲜",141617,10},{0,"水煮鱼",122225,50},{0,"麻婆豆腐",152225,11},
{0,"夫妻肺片",18212625,17},{0,"拍黄瓜",13252223,8},{0,"鲜鸭血",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,"二锅头",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("   |---------------- 欢迎来到春晓点餐系统! -----------------|\n");
printf("   |--------------------------------------------------------|\n");
Sleep(2500);
system("CLS");
diancai(a);    /*点餐函数，开始点餐吧！*/
ycldayin(yuan,a);
printf("\n\n\n\n");
printf("   |--------------------------------------------------------|\n");
printf("   |-------------- 欢迎再次使用春晓点餐系统! ---------------|\n");
printf("   |--------------------------------------------------------|\n");
printf("\n\n\n\n\n\n");
}
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