C语言实现外卖管理系统

2023-08-05 09:16:05 80
本文为大家分享了C语言外卖管理系统的具体代码，供大家参考，具体内容如下
内容
说明（废话）：上学期写的课程设计，主题是外卖管理系统，希望可以模拟网上订餐，店家工作，专人管理的过程。并实现注册与登录以及基本信息的输出，因为个人比较懒，一直没有整理上去，今天得空，要是得到大家的宝贵意见的话，会不胜荣幸。
重点内容
三端登录：分别为管理员，用户以及店主；两端注册，分别为用户以及店铺，其中店铺的注册成功需要得到管理员的审核。
管理员端可以查看店铺信息，店铺信息修改（分为增删改查），处理申请店铺，和修改本人信息。
用户端分为用户相关（为用户本人对自己信息的操作），查看订单，查看菜品，购买菜品，以及订单排序。
管理员端为增添菜品，删除菜品，修改菜品，查看菜品以及业绩查看（统计总订单与总收入）。
另外：
1.店家注册需要的到管理员的认证，认证通过之后才可登录
2.密码修改需要输入旧的密码，三次错误可以找回密码，输入手机号，若手机号匹配得当，则可产生三位数的随机验证码，输入验证码即可修改。
3.对于已超过三分钟的订单不能修改，因为已经配送
4.限制了用户的余额，当购买时余额不足时，需要进行账户的充值，而购买结束后，账户的余额也会相应的减少
以下为功能模块图：
以下为函数调用关系图：
以下为整个代码：
#include
#include
#include
#include
#include
#include
voidchoose();
//建立关于店铺的结构体
typedefstructshop
{
charname[20];
charphone[20];
charaddress[30];
charpassword[20];
structshop*next;
}shop,*link_shop;
//建立关于订单的结构体
typedefstructfood
{
charname[20];
inttype;
intamount;
intprice;
inttotal;
charshop[20];
charyonghu[20];
charleibie[20];
structfood*next;
}food,*link_food;
//建立关于用户的结构体
typedefstructuser
{
charname[20];
chardelivery[39];
charpassword[15];
charnumber[15];
intscore;
structuser*next;
}user,*link_user;
typedefstructmoney
{
charperson[20];
charcard[25];
charmima[20];
structmoney*next;
}money,*link_money;
charyh[20];//用户设置全局变量
chardp[20];//店铺设置全局变量
time_tstart,end;
//函数声明
voidfoodwrite(link_foodLF);
voidshopwrite1(link_shopLS);
voiddingdanwrite(link_foodLF);
voiduser_moneywrite(link_userLM);
voidwelcome()
{
inti=0;
chara[52]="▲▼WELCOMETORESTAURANTMANAGEMENTSYSTEM▲▼";
//system("color0a");
printf("\n\n\n\n\t\t");
while(a[i])
{
printf("%c",a[i]);
Sleep(50);
i++;
}
printf("\n\n\n\n\t\t");
}
voidExit()
{
inti=0;
system("cls");
chara[20]="LOVEyou,byebye^_^";
system("color03");
printf("\n\n\n\t\t\t");
while(a[i])
{
printf("%c",a[i]);
Sleep(100);
i++;
}
}
voidME()
{
system("color0b");
printf("\n\n\n\t\t☆★WELCOME☆★\n\n\t这里是外卖管理系统，请选择接下来的操作：");
printf("\n\n\t\t\t1.登陆");
printf("\t\t\t2.注册\t\t\t0.退出\n");
}
//主菜单（登陆或者注册）
voidMENU()
{
printf("\n\n\n\n\t\t\t\t\t================================\n");
printf("\t\t\t\t\t外卖管理系统\n");
printf("\t\t\t\t\t1.管理员登陆\n");
printf("\t\t\t\t\t2.用户登录\n");
printf("\t\t\t\t\t3.店家登陆\n");
printf("\t\t\t\t\t0.返回上一级\n");
printf("\t\t\t\t\t================================\n");
}
//管理员选项
voidMENU1()
{
system("color0f");
printf("温馨小提示：按5可以清屏哦^-^\n");
printf("\n\n\t\t\t\t\t1.查看店铺信息▲\n");
printf("\t\t\t\t\t--------------\n");
printf("\t\t\t\t\t2.店铺信息修改▼\n");
printf("\t\t\t\t\t--------------\n");
printf("\t\t\t\t\t3.处理申请店铺▲\n");
printf("\t\t\t\t\t--------------\n");
printf("\t\t\t\t\t4.修改本人信息▼\n");
printf("\t\t\t\t\t--------------\n");
printf("\t\t\t\t\t0.返回上一级▲\n");
}
//用户选项
voidMENU2()
{
system("color0f");
printf("\n\n\t\t\t\t1.用户相关▲\t\t\t5.购买菜品▼\n");
printf("\t\t\t\t---------------\t\t\t---------------\n");
printf("\t\t\t\t2.查看订单▲\t\t\t6.订单排序▼\n");
printf("\t\t\t\t---------------\t\t\t---------------\n");
printf("\t\t\t\t3.查看菜品▲\t\t\t0.返回上级▼\n");
printf("\t\t\t\t---------------\t\t\t---------------\n");
printf("\t\t\t\t4.修改订单▲\n");
}
//店主选项
voidMENU3()
{
system("color0f");
printf("\n\n\n\t\t\t________ShopVersion_______\n");
printf("\t\t\t||\n");
printf("\t\t\t|1.添加菜品|\n");
printf("\t\t\t|2.修改菜品|\n");
printf("\t\t\t|3.删除菜品|\n");
printf("\t\t\t|4.查看菜品|\n");
printf("\t\t\t|5.查看业绩|\n");
printf("\t\t\t|0.返回上一级|\n");
printf("\t\t\t|_____________________________|\n");
}
//建立关于单链表
void*creatf()
{
inti=0,n;
link_foodLF;
food*s,*r;
chara[10];
//srand((unsigned)time(NULL));//产生随机数的种子
LF=(food*)malloc(sizeof(food));
LF->next=NULL;
r=LF;
while(1)
{
printf("请输入菜的名称：");
scanf("%s",a);
if(strcmp(a,"0")!=0)
{
s=(food*)malloc(sizeof(food));
printf("请输入菜的单价：");
scanf("%d",&s->price);
printf("请输入菜的类别");
scanf("%s",s->leibie);
strcpy(s->name,a);
s->total=(s->amount)*(s->price);
r->next=s;
s->next=NULL;
r=s;
}
else
break;
}
foodwrite(LF);
}
shop*creats()
{
chara[30],b[20],c[15],d[20];
link_shopLS;
shop*s,*r;
LS=r=(shop*)malloc(sizeof(shop));
LS->next=NULL;
r=LS;
while(1)
{
printf("请输入店铺信息:\n");
printf("\t\t●店铺名称：");
scanf("%s",a);
printf("\n\t\t●店铺电话：");
scanf("%s",b);
if(strcmp(b,"0")!=0)
{
printf("\n\t\t●店铺地址：");
scanf("%s",c);
printf("\n\t\t●店铺密码：");
scanf("%s",d);
s=(shop*)malloc(sizeof(shop));
strcpy(s->name,a);
strcpy(s->phone,b);
strcpy(s->address,c);
strcpy(s->password,d);
r->next=s;
s->next=NULL;
r=s;
}
else
break;
}
returnLS;
}
voidOutputshop(link_shopLs)
{
intn=0;
shop*p,*u;
p=Ls->next;
system("cls");
printf("入驻的商家如下：\n");
printf("\t\t\t\t-------------------------------------------\n");
printf("\t\t\t\t店铺名称\t店铺电话\t店铺地址\n");
printf("\t\t\t\t-------------------------------------------\n");
while(p)
{
printf("\t\t\t\t%8s\t%8s\t%7s\n",p->name,p->phone,p->address);
printf("\t\t\t\t-------------------------------------------\n");
p=p->next;
}
for(u=Ls->next;u!=NULL;u=u->next)
n++;
printf("\t\t\t\t合计\t\t\t\t%d个\n",n);
printf("\t\t\t\t-------------------------------------------\n");
}
voidOutputfood(link_foodLF)
{
food*s;
s=LF->next;
intsum=0;
printf("订单如下：\n");
printf("\t----------------------------------------------------------------------------------------------------\n");
printf("\t菜名\t\t数量/份\t\t单价/元\t\t总价/元\t\t店铺\t\t订单号\t\t用户名\n");
printf("\t----------------------------------------------------------------------------------------------------\n");
for(s=LF->next;s!=NULL;s=s->next)
{
if(strcmp(s->yonghu,yh)==0)
{
printf("\t%-8s\t%-8d\t%-8d\t%-8d\t%-10s\t%-10d\t%s\n",s->name,s->amount,s->price,s->total,s->shop,s->type,s->yonghu);
printf("\t----------------------------------------------------------------------------------------------------\n");
sum=sum+s->total;
}
}
printf("\t累计输出/元\t\t\t\t\t\t\t%d\n",sum);
printf("\t----------------------------------------------------------------------------------------------------\n");
if(sum==0)
{
printf("○您还没有订单呢，快去购买吧φ(>ω<*)");
printf("\n\t\t\t\t\t->");
Sleep(1000);
printf("->");
Sleep(1000);
printf("->");
Sleep(1000);
system("cls");
MENU2();
return;
}
}
voidoutputfood(link_foodLF)
{
food*p;
p=LF->next;
printf("\n\t\t\t菜谱");
printf("\n\t\t\t--------------------------------------------------\n");
printf("\t\t\t菜名菜价店铺菜系\n");
printf("\t\t\t---------------------------------------------------\n");
while(p)
{
printf("\t\t\t%-13s%-12d%-14s%s\n",p->name,p->price,p->shop,p->leibie);
printf("\t\t\t---------------------------------------------------\n");
p=p->next;
}
}
//充值
user*addmoney(user*u)
{
intn;
chary;
chara[20];
FILE*fp;
link_moneyLY;
money*p,*r;
printf("您账户里的余额为：%d",u->score);
printf("是否充值？Y/else");
fflush(stdin);//清除缓存
y=getchar();
if(y=='Y')
{
fp=fopen("yue.txt","rt");
LY=r=(money*)malloc(sizeof(money));
LY->next=NULL;
while(!feof(fp))
{
p=(money*)malloc(sizeof(money));
fscanf(fp,"%s%s%s\n",p->person,p->card,p->mima);
p->next=NULL;
r->next=p;
r=p;
}
fclose(fp);
p=LY->next;
while(1)
{
if(strcmp(yh,p->person)==0)
{
break;
}
else
p=p->next;
}
printf("充值的钱数？");
scanf("%d",&n);
printf("请输入支付密码：");
scanf("%s",a);
if(strcmp(p->mima,a)==0)
{
u->score=(u->score+n);
printf("已充值");
}
else
printf("\t\t×密码错误，充值失败");
}
else
printf("已放弃充值");
returnu;
}
//按工号排序
voidname_sort(link_shopLS)
{
inti,j,n;
n=0;//记录店铺总数；
shop*u,*q,*p;
for(u=LS->next;u!=NULL;u=u->next)
n++;
//采用冒泡法对各个节点按姓名升序
for(i=1;i<=n;i++)
{
u=LS;
for(j=0;jnext;
q=p->next;
if(strcmp(p->name,q->name)>0||strcmp(p->name,q->name)==0)
{
u->next=q;
p->next=q->next;
q->next=p;
}
u=u->next;
}
}
printf("\t排序后店铺信息\n");
Outputshop(LS);
return;
}
voidaddress_sort(link_shopLS)
{
inti,j,n;
n=0;//记录店铺总数；
shop*u,*q,*p;
for(u=LS->next;u!=NULL;u=u->next)
n++;
//采用冒泡法对各个节点按地址升序
for(i=1;i<=n;i++)
{
u=LS;
for(j=0;jnext;
q=p->next;
if(strcmp(p->address,q->address)>0||strcmp(p->address,q->address)==0)
{
u->next=q;
p->next=q->next;
q->next=p;
}
u=u->next;
}
}
printf("\t\t\t\t地址排序后店铺信息\n");
Outputshop(LS);
return;
}
voiddingdan_name_sort(link_foodLF)//按订单食物名称排序
{
inti,j,n;
n=0;//记录店铺总数；
food*u,*q,*p;
for(u=LF->next;u!=NULL;u=u->next)
n++;
//采用冒泡法对各个节点按姓名升序
for(i=1;i<=n;i++)
{
u=LF;
for(j=0;jnext;
q=p->next;
if(strcmp(p->name,q->name)>0||strcmp(p->name,q->name)==0)
{
u->next=q;
p->next=q->next;
q->next=p;
}
u=u->next;
}
}
Outputfood(LF);
return;
}
voiddingdan_total_sort(link_foodLF)//按订单总价从高到低排序
{
inti,j,n;
n=0;//记录店铺总数；
food*u,*q,*p;
for(u=LF->next;u!=NULL;u=u->next)
n++;
//采用冒泡法对各个节点按姓名升序
for(i=1;i<=n;i++)
{
u=LF;
for(j=0;jnext;
q=p->next;
if(p->total>q->total)
{
u->next=q;
p->next=q->next;
q->next=p;
}
u=u->next;
}
}
Outputfood(LF);
return;
}
voiddingdandelete(link_foodLf)
{
food*p,*n;
p=Lf;
n=p->next;
intm;
chara;
printf("请输入你所想删除的订单序号：");
scanf("%d",&m);
while(n)
{
if(m==n->type)
{
if(strcmp(n->shop,dp)==0)
{
p->next=n->next;
//foodwrite(Lf);
dingdanwrite(Lf);
break;
}
else
printf("不好意思，您没有权限删除\n");
break;
}
else
{
p=p->next;
n=n->next;
}
}
}
food*dingdanread()
{
FILE*fp;
link_foodLF,r,s;
fp=fopen("dingdan.txt","rt");
if(fp==NULL)
{
printf("查看订单失败");
return0;
}
LF=r=(food*)malloc(sizeof(food));
r->next=NULL;
while(!feof(fp))
{
s=(food*)malloc(sizeof(food));
fscanf(fp,"%s%d%d%d%s%d%s\n",s->name,&s->amount,&s->price,&s->total,s->shop,&s->type,s->yonghu);
r->next=s;
s->next=NULL;
r=s;
}
returnLF;
}
voidscorefind(link_foodLF)
{
intsum=0;
food*p;
p=LF->next;
system("cls");
printf("\n\n\n\t\t\t产生的订单如下:\n");
printf("----------------------------------------------------------------------------------------------------\n");
printf("菜品名称\t菜品数量\t菜品单价\t菜品总价\t店铺名称\t订单号\t\t用户名\n");
printf("----------------------------------------------------------------------------------------------------\n");
while(p)
{
if(strcmp(p->shop,dp)==0)
{
printf("%7s%14d%15d%16d%16s%15d%18s\n",p->name,p->amount,p->price,p->total,p->shop,p->type,p->yonghu);
printf("----------------------------------------------------------------------------------------------------\n");
sum=sum+p->total;
}
p=p->next;
}
printf("合计/元：\t\t\t\t\t\t\t累计收入%d\n",sum);
printf("----------------------------------------------------------------------------------------------------\n");
if(sum==0)
printf("\t\t●您店里的菜还没有人购买哦，应该反思啦\n");
}
food*foodread()//读取
{
link_foodLF;
food*s,*r;
LF=r=(food*)malloc(sizeof(food));
LF->next=NULL;
FILE*fp;
fp=fopen("food.txt","rt");
if(fp==NULL)
{
printf("不能打开此文件");
exit(1);
}
while(!feof(fp))//判断文件指针是否处于文件结束位置，若是，返回1，非，返回0
{
s=(food*)malloc(sizeof(food));
fscanf(fp,"%s%d%s%s\n",s->name,&s->price,s->shop,s->leibie);
r->next=s;
s->next=NULL;
r=s;
}
fclose(fp);
returnLF;
}
money*moneyread()//读取
{
link_moneyLM;
money*s,*r;
LM=r=(money*)malloc(sizeof(money));
LM->next=NULL;
FILE*fp;
fp=fopen("yue.txt","rt");
if(fp==NULL)
{
printf("不能打开此文件");
exit(1);
}
while(!feof(fp))//判断文件指针是否处于文件结束位置，若是，返回1，非，返回0
{
s=(money*)malloc(sizeof(money));
fscanf(fp,"%s%s%s\n",s->person,s->card,s->mima);
r->next=s;
s->next=NULL;
r=s;
}
fclose(fp);
returnLM;
}
shop*shopread()
{
link_shopLS;
shop*s,*r;
LS=r=(shop*)malloc(sizeof(shop));
r->next=NULL;
FILE*fp;
fp=fopen("shop.txt","rt");
if(fp==NULL)
{
printf("不能打开此文件");
exit(1);
}
while(!feof(fp))//判断文件指针是否处于文件结束位置，若是，返回1，非，返回0
{
s=(shop*)malloc(sizeof(shop));
s->next=NULL;
fscanf(fp,"%s%s%s%s\n",s->name,s->phone,s->address,s->password);
r->next=s;
r=s;
}
fclose(fp);
returnLS;
}
user*userread()
{
link_userLU;
user*s,*r;
LU=r=(user*)malloc(sizeof(user));
r->next=NULL;
FILE*fp;
fp=fopen("users.txt","rt");
if(fp==NULL)
{
printf("不能打开此文件");
exit(1);
}
while(!feof(fp))//判断文件指针是否处于文件结束位置，若是，返回1，非，返回0
{
s=(user*)malloc(sizeof(user));
s->next=NULL;
fscanf(fp,"%s%s%s%s%d\n",s->name,s->delivery,s->password,s->number,&s->score);
r->next=s;
r=s;
}
fclose(fp);
returnLU;
}
voiddeleteshop(link_shopLS)
{
inti=0;
shop*p,*q;
p=LS;
q=p->next;
charm[20];
chara;
printf("请输入你所想删除的店铺名称或者电话：");
scanf("%s",m);
while(q)
{
if(strcmp(m,q->name)==0||strcmp(m,q->phone)==0)
{
i++;
p->next=q->next;
shopwrite1(LS);
return;
}
else
{
p=p->next;
q=q->next;
}
}
if(i==0)
{
printf("没有此店铺，无法删除\n");
return;
}
}
voiddeletedingdan(link_foodLf)
{
food*p,*n;
p=Lf;
n=p->next;
intm,i=0;
chara;
printf("请输入你所想删除的订单号：");
scanf("%d",&m);
while(n)
{
if(n->type==m)
{
if(strcmp(n->yonghu,yh)==0)
{
p->next=n->next;
i++;
foodwrite(Lf);
}
else
printf("不好意思，您没有权限删除\n");
break;
}
else
{
p=p->next;
n=n->next;
}
}
if(i==0)
{
printf("\t没有此订单，无法删除\n");
return;
}
}
voidpurchase()
{
link_foodLf;
money*LM,*mo;
user*lu,*us;
FILE*fp;
chara[20],b[20],mi[20];
chary;
inti=0;
printf("\t\t◇您想吃啥呢？");
scanf("%s",a);
Lf=foodread();
food*p;
p=Lf->next;
srand((unsigned)time(NULL));//订单号的种子
while(p!=NULL)
{
if(strcmp(p->name,a)==0||strcmp(p->leibie,a)==0)
{
//printf("%s\t%d\t%s\n",p->name,p->price,p->shop);
i++;
}
p=p->next;
}
if(i==0)
{
printf("\t\t\t×不好意思，还没有此菜呢\n");
system("pause");
system("cls");
MENU2();
return;
}
else
{
p=Lf->next;
printf("\n\t\t\t--------------------------------------------------\n");
printf("\t\t\t菜名菜价店铺菜系\n");
printf("\t\t\t---------------------------------------------------\n");
while(p)
{
if(strcmp(p->leibie,a)==0||strcmp(p->name,a)==0)
{
printf("\t\t\t%-13s%-12d%-14s%s\n",p->name,p->price,p->shop,p->leibie);
printf("\t\t\t---------------------------------------------------\n");
}

p=p->next;
}
}
printf("\t\t◇请输入要购买的店铺：");
scanf("%s",b);
lu=userread();
us=lu->next;
while(us)
{
if(strcmp(yh,us->name)==0)
break;
else
us=us->next;
}//找出要购买的用户信息
LM=moneyread();
mo=LM->next;
i=0;
while(mo)
{
if(strcmp(yh,mo->person)==0)
{
i++;
break;
}

else
mo=mo->next;
}//找出用户的银行卡信息
if(i==0)
{
printf("\t\t×您还没有绑定银行卡哦，不能购买的");
return;
}
p=Lf->next;
i=0;
while(p)
{
if(strcmp(p->name,a)==0||strcmp(p->leibie,a)==0)
{
if(strcmp(p->shop,b)==0)
{
printf("\t\t◇请输入要购买的数量");
scanf("%d",&p->amount);
if(p->amount!=0)
{
i++;
p->total=(p->amount)*(p->price);
p->type=rand()%900+100;
if((us->score)total)
{
printf("\t\t×您的账号余额不足，请先充值\n");
system("pause");
system("cls");
MENU2();
return;
}
printf("\t\t●确认购买？Y/else");
fflush(stdin);
y=getchar();
if(y=='Y')
{
printf("请输入支付密码:");
scanf("%s",mi);
if(strcmp(mi,mo->mima)==0)
{
fp=fopen("dingdan.txt","at");
if(fp==NULL)
printf("\t\t\t\t×购买失败\n");//因文件无法打开而失败
else
{
fprintf(fp,"%s%d%d%d%s%d%s\n",p->name,p->amount,p->price,p->total,p->shop,p->type,yh);
fclose(fp);
us->score=(us->score)-(p->total);
user_moneywrite(lu);
printf("\t\t\t\t√购买成功，请耐心等待配送\n");
start=time(NULL);//计时
system("pause");
system("cls");
MENU2();
return;
}
}
else
{
printf("\t\t×密码错误，购买失败");
system("pause");
system("cls");
MENU2();
return;
}
}
else
{
printf("\t\t\t×已放弃购买");
system("pause");
system("cls");
MENU2();
return;
}
}
else
{
printf("\t\t\t×请输入正确的数量");
system("pause");
system("cls");
MENU2();
return;
}
}
}
p=p->next;
}
if(i==0)
{
printf("\t\t×请输入表中的店铺名称哦\n");
system("pause");
system("cls");
MENU2();
}
}
voidfoodwrite(link_foodLF)//保存
{
FILE*fp;
food*p;
chara;
printf("确认保存？(Y/else)");
scanf("%*c%c",&a);
if(a=='Y')
{
fp=fopen("food.txt","at");
if(fp==NULL)
printf("错误！无法打开");
for(p=LF->next;p!=NULL;p=p->next)
fprintf(fp,"%s%d%s%s\n",p->name,p->price,dp,p->leibie);
printf("修改成功\n");
fclose(fp);
return;
}
else
printf("已放弃修改");
}
voidfoodwrite1(link_foodLF)
{
FILE*fp;
food*p;
chara;
printf("确认保存？(Y/else)");
scanf("%*c%c",&a);
if(a=='Y')
{
fp=fopen("food.txt","wt");
if(fp==NULL)
printf("错误！无法打开");
for(p=LF->next;p!=NULL;p=p->next)
fprintf(fp,"%s%d%s%s\n",p->name,p->price,p->shop,p->leibie);
printf("修改成功\n");
fclose(fp);
return;
}
else
printf("已放弃修改");
}
//voidfoodwrite2(link_foodLF)
//{
//FILE*fp;
//food*p;
//chara;
//printf("确认保存？(Y/else)");
//scanf("%*c%c",&a);
//if(a=='Y')
//{
//fp=fopen("food.txt","wt");
//if(fp==NULL)
//printf("错误！无法打开");
//for(p=LF->next;p!=NULL;p=p->next)
//fprintf(fp,"%s%d%s%s\n",p->name,p->price,p->shop,p->leibie);
//printf("修改成功\n");
//fclose(fp);
//return;
//}
//else
//printf("已放弃修改");
//}
voiddingdanwrite(link_foodLF)
{
FILE*fp;
food*p;
chara;
printf("确认保存？(Y/else)");
scanf("%*c%c",&a);
if(a=='Y')
{
fp=fopen("dingdan.txt","wt");
if(fp==NULL)
printf("错误！无法打开");
for(p=LF->next;p!=NULL;p=p->next)
fprintf(fp,"%s%d%d%d%s%d%s\n",p->name,p->amount,p->price,p->total,p->shop,p->type,p->yonghu);
printf("修改成功\n");
fclose(fp);
return;
}
else
printf("已放弃修改");
}
voidshopwrite1(link_shopLS)
{
FILE*fp;
shop*p;
chara;
printf("确认保存？(Y/else)");
scanf("%*c%c",&a);
if(a=='Y')
{
fp=fopen("shop.txt","wt");
if(fp==NULL)
printf("错误！无法打开");
for(p=LS->next;p!=NULL;p=p->next)
fprintf(fp,"%s%s%s%s\n",p->name,p->phone,p->address,p->password);
printf("保存成功\n");
fclose(fp);
return;
}
else
printf("已放弃");
}
voidshopwrite2(link_shopLS)
{
FILE*fp;
shop*p;
chara;
printf("是否将信息保存至文件里？(Y/else)");
scanf("%*c%c",&a);
if(a=='Y')
{
fp=fopen("shop.txt","at");
if(fp==NULL)
printf("错误！无法打开");
for(p=LS->next;p!=NULL;p=p->next)
fprintf(fp,"%s%s%s\n",p->name,p->phone,p->address);
printf("修改成功\n");
fclose(fp);
return;
}
else
printf("已放弃修改");

}
voiduserwrite(link_userLU)
{
FILE*fp;
user*p;
chara;
//printf("请确认？(Y/else)");
//scanf("%*c%c",&a);
//if(a=='Y')
//{
fp=fopen("users.txt","wt");
if(fp==NULL)
printf("错误！无法打开");
for(p=LU->next;p!=NULL;p=p->next)
fprintf(fp,"%s%s%s%s%d\n",p->name,p->delivery,p->password,p->number,p->score);
printf("操作成功\n");
fclose(fp);
return;
//}
//else
//printf("已放弃注册");
}
voiduser_moneywrite(link_userLM)
{
FILE*fp;
user*p;
chara;
//printf("是否将信息保存至文件里？(Y/else)");
//scanf("%*c%c",&a);
//if(a=='Y')
//{
fp=fopen("users.txt","wt");
if(fp==NULL)
printf("错误！无法打开");
for(p=LM->next;p!=NULL;p=p->next)
fprintf(fp,"%s%s%s%s%d\n",p->name,p->delivery,p->password,p->number,p->score);
//printf("注册成功\n");
fclose(fp);
//return;
//}
//else
//printf("已放弃注册");
}
voiduserwrite2(link_userLU)
{
FILE*fp;
user*p;
chara;
printf("是否将信息保存至文件里？(Y/else)");
scanf("%*c%c",&a);
if(a=='Y')
{
fp=fopen("users.txt","at");
if(fp==NULL)
printf("错误！无法打开");
for(p=LU->next;p!=NULL;p=p->next)
fprintf(fp,"%s%s%s%s%d\n",p->name,p->delivery,p->password,p->number,p->score);
printf("注册成功\n");
fclose(fp);
return;
}
else
printf("已放弃注册");
}
voidincreaseshop(link_shopLS)
{
chara[30],b[20],c[15],d[20];
shop*s;
printf("请输入你所想加入的店铺信息：\n");
printf("\t\t●店铺名称：");
scanf("%s",a);
printf("\n\t\t●店铺电话：");
scanf("%s",b);
printf("\n\t\t●店铺地址：");
scanf("%s",c);
printf("\n\t\t●店铺密码：");
scanf("%s",d);
if(strcmp(a,"0")!=0)
{
s=(shop*)malloc(sizeof(shop));
strcpy(s->name,a);
strcpy(s->phone,b);
strcpy(s->address,c);
strcpy(s->password,d);
}
s->next=LS->next;
LS->next=s;
shopwrite1(LS);
}
voidshopfind(link_shopLS)
{
shop*p;
charE[20];
p=LS->next;
printf("请输入店铺的名称：");
scanf("%s",E);
while(strcmp(p->name,E)!=0&&(p->next)!=NULL)
{
p=p->next;
}
if((p->next)==NULL)
{
printf("没有此店铺");
return;
}
printf("您所查询的店铺信息为：\n名称\t电话\t地址\n");
printf("%s%s%s",p->name,p->phone,p->address);
}
voidregisterdeal()
{
intq;
FILE*fp;
chary;
link_shophead;
shop*r,*p;
head=r=(shop*)malloc(sizeof(shop));
r->next=NULL;
fp=fopen("shenqing.txt","rt");
if(fp==NULL)
{
printf("发生错误，无法打开文件");
return;
}
if((y=fgetc(fp))==EOF)
{
printf("目前没有需要处理的信息\n");
system("pause");
system("cls");
MENU1();
return;
}
else
{
while(!feof(fp))
{
p=(shop*)malloc(sizeof(shop));
fscanf(fp,"%s%s%s%s\n",p->name,p->phone,p->address,p->password);
r->next=p;
p->next=NULL;
r=p;
}
for(p=head->next;p!=NULL;p=p->next)
printf("%s%s%s\n",p->name,p->phone,p->address);
printf("是否同意注册？Y/else");
scanf("%*c%c",&y);
if(y=='Y')
{
fp=fopen("shop.txt","at");
if(fp==NULL)
printf("文件不存在，打开错误\n");
for(p=head->next;p!=NULL;p=p->next)
fprintf(fp,"%s%s%s%s\n",p->name,p->phone,p->address,p->password);
fclose(fp);
}

}
printf("处理成功");
fp=fopen("shenqing.txt","wt");
fclose(fp);
}
voidMENU1_choose()
{
intn,m,q;
chara[20],b[20],c[20],d[20];
chary;
FILE*fp,*fa;
shop*p;
shopsq;
link_shopLS;
link_userLU;
LS=shopread();
while(1)
{
printf("请选择你想所想进行的选项:\n");
scanf("%d",&n);
if(n==1)
{
Outputshop(LS);
printf("是否进行排序？Y/else");
fflush(stdin);
y=getchar();
if(y=='Y')
{
system("cls");
printf("\n\n\n\t\t\t●1.按店铺名称排序\n");
printf("\t\t\t●2.按店铺地址排序\n");
scanf("%d",&m);
if(m==1)
name_sort(LS);
if(m==2)
address_sort(LS);
printf("1.退出\t2.返回");
scanf("%d",&m);
if(m==1)
exit(0);
else
{
system("cls");
MENU1();
continue;
}
}
else
{
printf("已放弃排序\n");
system("cls");
MENU1();
}

}
if(n==2)
{
system("cls");
printf("\n\n\n\t\t\t☆【1】删除店铺\n");
printf("\t\t\t☆【2】增加店铺\n");
printf("\t\t\t☆【3】输入店铺\n");
printf("\t\t\t☆【0】返回上一级\n");
printf("\n\t\t请选择将要进行的操作：\n");//二级
while(1)
{
scanf("%d",&m);
if(m==1)
deleteshop(LS);
if(m==2)
increaseshop(LS);
if(m==3)
{
LS=creats();
shopwrite1(LS);
}
if(m==4)
shopfind(LS);
if(m==0)
{
system("cls");
MENU1();
break;
}
}
}
if(n==3)
registerdeal();//注册处理以及投诉处理函数
if(n==4)
{
//LU=userread();
system("cls");
printf("\n\t请选择所想进行的选项：\n\n");
printf("\t●○●○●○●\n");
printf("\t1.查看个人信息\n");
printf("\t○2.修改个人信息○\n");
printf("\t0.返回上一级\n");//二级
printf("\t●○●○●○●\n");
while(1)
{
scanf("%d",&m);
if(m==1)
{
chard[20];
fa=fopen("admin.txt","rt");
fscanf(fa,"%s%s%s%s",a,b,c,d);
fclose(fa);
printf("\n\t\t地区\t姓名\t电话号码\n");
printf("\t\t%s\t%s\t%s\n",a,b,d);
}
if(m==2)
{
system("cls");
printf("\n温馨提示，按0返回哦(〃'▽'〃)\n");
printf("\n\t\t●○●○●○●\n");
printf("\t\t1.修改姓名\n");
printf("\t\t○2.修改地址○\n");
printf("\t\t3.修改密码\n");//三级
printf("\t\t●○●○●○●\n");
scanf("%d",&q);
if(q==1)
{
printf("请输入新的姓名：\n");
scanf("%s",b);
}
if(q==2)
{
printf("请输新的地址：\n");
scanf("%s",a);
}
if(q==3)//修改密码，含找回密码
{
intj=0,h;
charf[20],e[20];
fa=fopen("admin.txt","rt");
fscanf(fa,"%s%s%s%s",a,b,c,d);
printf("您需要输入旧的密码：\n");
scanf("%s",f);
while(strcmp(f,c)!=0)
{
j++;
printf("\t\t×您的密码有误,请重新输入：");
scanf("%s",f);
if(j==2)
{
printf("\t\t×您已经连续输错三次，按1找回密码，其他数字键返回:");
scanf("%d",&j);
if(j==1)
{
printf("请输入您的电话号码:");
scanf("%s",e);
if(strcmp(e,d)==0)
{
srand((unsigned)time(NULL));
j=rand()%900+100;
fp=fopen("yanzheng.txt","wt");
//fscanf(fp,"%d\n",&j);
fprintf(fp,"%d\n",j);
fclose(fp);
printf("我们已经发送验证码到您的手机，请输入:");
scanf("%d",&h);
if(h==j)
{
printf("\t\t√请重新设置您的密码:");
scanf("%s",c);
break;
}
else
{
printf("\t\t×验证码错误\n");
break;
}
}
else
{
printf("\t\t×找回密码失败\n");
break;
}
}
else
{
system("cls");
MENU();
return;
}

}
}
if(strcmp(c,f)==0)
{
printf("请输入新的密码：\n");
scanf("%s",c);
}
}
if(q==1||q==2||q==3)
{
printf("是否保存？Y/else");
fflush(stdin);
y=getchar();
if(y=='Y')
{
fa=fopen("admin.txt","wt");
fprintf(fa,"%s%s%s%s",a,b,c,d);
fclose(fa);
printf("\t\t√保存成功");
}
else
printf("\t\t×已放弃修改");
system("pause");
system("cls");
printf("\n\t请选择所想进行的选项：\n\n");
printf("\t●○●○●○●\n");
printf("\t1.查看个人信息\n");
printf("\t○2.修改个人信息○\n");
printf("\t0.返回上一级\n");//二级
printf("\t●○●○●○●\n");
continue;
}
if(q==0)
{
system("cls");
printf("\n\t请选择所想进行的选项：\n\n");
printf("\t●○●○●○●\n");
printf("\t1.查看个人信息\n");
printf("\t○2.修改个人信息○\n");
printf("\t0.返回上一级\n");//二级
printf("\t●○●○●○●\n");
continue;
}
}
if(m==0)
{
system("cls");
MENU1();
break;
}
}
}
if(n==5)
{
system("cls");
MENU1();
}
if(n==0)
{
system("cls");
MENU();
break;
}
if(n!=1&&n!=2&&n!=3&&n!=4&&n!=5&&n!=0)
{
printf("\t\t∷");
Sleep(400);
printf("∷");
Sleep(400);
printf("∷");
Sleep(400);
printf("您需要输入菜单上的数字哦\n");
}
}
}
voidMENU2_choose()
{
intn,m,q,i=0;
chara[20],b[20];
chary;
FILE*fp;
user*u;
food*p,*s,*r;
link_foodLF,Lf;
LF=foodread();
link_userLU;
//useruser;
while(1)
{
scanf("%d",&n);
switch(n)
{
case1:
system("cls");
printf("\n\n\t\t\t请选择需要进行的选项:\n\n");
printf("\t\t\t--------------------\n");
printf("\t\t\t用户相关\n");
printf("\t\t\t--------------------\n");
printf("\t\t\t●1.修改用户名\n");
printf("\t\t\t●2.修改密码\n");
printf("\t\t\t●3.修改收货地址\n");
printf("\t\t\t●4.修改电话号\n");
printf("\t\t\t●5.查看个人信息\n");
printf("\t\t\t●6.充值钱包\n");
printf("\t\t\t●0.返回上一级\n");
LU=userread();
u=LU->next;
while(1)
{
if(strcmp(yh,u->name)==0)
break;
else
u=u->next;
}
while(1)
{
scanf("%d",&m);
if(m==1)
{
printf("请输入新的用户名：\n");
scanf("%s",u->name);
}
if(m==2)
{
printf("您需要输入旧的密码：\n");
scanf("%s",b);
while(strcmp(u->password,b)!=0)
{
printf("密码错误，请重新输入\n");

scanf("%s",b);
i++;
if(i==2)
{
printf("您已经输错三次，请5分钟后再试");
continue;
}
}
printf("请输入新的密码：");
scanf("%s",u->password);
}
if(m==3)
{
printf("请输入新的收货地址：");
scanf("%s",u->delivery);
}
if(m==4)
{
printf("请输入新的收货地址");
scanf("%s",u->number);
}
if(m==1||m==2||m==3||m==4)
userwrite(LU);
if(m==5)
{
printf("您的信息为：\n");
printf("姓名\t收获地址\t联系方式\n");
printf("%s\t%s\t%s\n",u->name,u->delivery,u->number);
}
if(m==6)
{
u=addmoney(u);
userwrite(LU);
}
if(m==0)
{
system("cls");
MENU2();
break;
}

}
break;
case2:
LF=dingdanread();
Outputfood(LF);
break;
case3:
LF=foodread();
system("cls");
outputfood(LF);
p=LF->next;
printf("\t●按1购买，其他数字返回\t");
scanf("%d",&q);
if(q==1)
{
purchase();
}
else
{
system("cls");
MENU2();
continue;
}
break;
case4:
LF=dingdanread();
p=LF->next;
i=0;
printf("请输入所想修改的订单号：");
scanf("%d",&n);
while(p)
{
if(n==p->type)
{
if(strcmp(p->yonghu,yh)==0)
{
i=1;
system("cls");
printf("\n订单信息如下：\n");
printf("\t菜名\t单价\t数量\t总价\t店铺\t用户名\t\n");
printf("\t%s\t%d\t%d\t%d\t%s\t%s\n\n",p->name,p->price,p->amount,p->total,p->shop,p->yonghu);
printf("\t\t○1.修改数量\n");
printf("\t\t○2.删除订单\n");
printf("\t\t○其他数字键返回\n");
scanf("%d",&n);
if(n==1)
{
end=time(NULL);
if((difftime(end,start))<180)
{
printf("还没有超过三分钟，请尽快修改哦\n");
printf("您只能修改菜的数量:");
scanf("%d",&m);
p->amount=m;
p->total=(p->amount)*(p->price);
dingdanwrite(LF);
printf("\t\t√已成功修改");
}
else
{
printf("时间超过三分钟，已配送\n");
system("pause");
system("cls");
MENU2();
break;
}
}
if(n==2)
{
deletedingdan(LF);
dingdanwrite(LF);
}
else
{
system("pause");
system("cls");
MENU2();
break;
}
}
if(strcmp(p->yonghu,yh)!=0)
{
printf("\t\t×不好意思，该订单您没有权限修改\n");
i=2;
system("pause");
system("cls");
MENU2();
break;
}
}
else
p=p->next;
}
if(i==0)
{
printf("\t\t×没有改订单\n");
system("pause");
system("cls");
MENU2();
continue;
}
break;
case5:
purchase();
break;
case6:
system("cls");
printf("\n\n\n\t\t\t---------------\n");
printf("\t\t\t订单排序\n");
printf("\t\t\t---------------\n");
printf("\t\t\t△1.按菜名排序：\n");
printf("\t\t\t△2.按总价排序：\n");
printf("\t\t\t△0.返回\n");
scanf("%d",&m);
{
LF=dingdanread();
if(m==1)
dingdan_name_sort(LF);
if(m==2)
dingdan_total_sort(LF);
if(m==0)
{
system("cls");
MENU2();
continue;
}
system("pause");
system("cls");
MENU2();
continue;

}
break;
//dindan_name_sort(LF);
case0:
system("cls");
MENU();
return;
break;
}
}
}
voiddeletefood(link_foodLf)
{
inti=0;
food*p,*n;
p=Lf;
n=p->next;
charm[20];
chara;
printf("请输入你所想删除的菜名：");
scanf("%s",m);
while(n)
{
if(strcmp(m,n->name)==0)
{
if(strcmp(n->shop,dp)==0)
{
i++;
p->next=n->next;
foodwrite1(Lf);
}
else

printf("不好意思，您没有权限删除\n");
break;
}
else
{
p=p->next;
n=n->next;
}
}
if(i==0)
{
printf("没有此菜，无法删除\n");
return;
}
}
voidMENU3_choose()
{
intx,y;
chara[20];
link_foodLF,Lf;
LF=foodread();
food*p;
while(1)
{
printf("请选择：");
scanf("%d",&x);
if(x==1)
{
creatf();
//foodwrite(LF);
}
if(x==2)
{
inti=0;
printf("请输入要修改的菜的名称：");
scanf("%s",a);
//LF=foodread();
p=LF->next;
while(p!=NULL)
{
if(strcmp(a,p->name)==0)
{
i++;
if(strcmp(dp,p->shop)==0)
{
printf("请重新输入菜的信息:\n");
printf("\t\t\t△新菜名：");
scanf("%s",p->name);
printf("\t\t\t△新菜价：");
scanf("%d",&p->price);
foodwrite1(LF);
}
else
printf("不好意思，您没有权限修改\n");
break;
}
p=p->next;
}
if(i==0)
printf("\t\t×没有此菜的信息\n");
}
if(x==3)
{
deletefood(LF);
}
if(x==4)
{
intsum=0;
Lf=foodread();
p=Lf->next;
system("cls");
printf("\n\n\t\t您家的食物如下：");
printf("\n\t\t----------------------------------------\n");
printf("\t\t菜名\t菜价\t店铺\t菜系\n");
printf("\t\t----------------------------------------\n");
while(p)
{
if(strcmp(p->shop,dp)==0)
{
printf("\t\t%-14s%-10d%-12s%s\n",p->name,p->price,p->shop,p->leibie);
printf("\t\t----------------------------------------\n");
sum=sum+1;
}
p=p->next;
}
printf("\t\t合计/个：\t\t\t%d个菜\n",sum);
printf("\t\t----------------------------------------\n");
if(sum==0)
printf("\t\t\t●怪不得没订单，您还没添加菜品呢\n");
system("pause");
system("cls");
MENU3();
}
if(x==5)
{
LF=dingdanread();
scorefind(LF);//查看业绩函数
system("pause");
system("cls");
MENU3();
}
if(x==0)
{
system("cls");
MENU();
break;
}
}
}
//登陆
voidlogin()
{
intn,i=0,j=0;
chara[10],c[10];
charb[15],d[15],f[10],e[20];
FILE*fp;
charch;
system("cls");
MENU();
printf("请选择：");
while(1)
{
scanf("%d",&n);
//管理员登陆
if(n==1)
{
printf("请输入用户名:");
scanf("%s",a);
printf("请输入密码:");
while((ch=getch())!=13){
if(ch==8){
printf("\b\b");
i--;
continue;
}
b[i++]=ch;
putchar('*');
}
b[i]='\0';
fp=fopen("admin.txt","rt");
if(fp==NULL)
printf("没有此文件，无法打开");
fscanf(fp,"%s%s%s%s",f,c,d,e);
fclose(fp);
while(strcmp(a,c)!=0||strcmp(b,d)!=0)
{
printf("\n账号或密码错误，请重新输入：\n");
printf("请输入用户名：");
scanf("%s",a);
printf("请输入密码：");
i=0;
while((ch=getch())!=13){
if(ch==8){
printf("\b\b");
i--;
continue;
}
b[i++]=ch;
putchar('*');
}
b[i]='\0';
j++;
if(j==2)
{
printf("\n密码错误已达三次,将自动退回主菜单\n");
system("pause");
system("cls");
MENU();
return;
}
}
system("cls");
//system("color03");
welcome();
printf("\n");
system("pause");
system("cls");
MENU1();
MENU1_choose();
}
//用户登录
if(n==2)
{
link_userLU;
user*p;
LU=userread();
p=LU->next;
printf("请输入账号或名称");
scanf("%s",yh);
printf("请输入密码：");
i=0;
while((ch=getch())!=13){
if(ch==8){
printf("\b\b");
i--;
continue;
}
b[i++]=ch;
putchar('*');
}
b[i]='\0';
inti=0;
while(p!=NULL)
{
if(strcmp(yh,p->name)==0&&strcmp(b,p->password)==0)
{
system("cls");
//system("color0a");
//welcome();
printf("\n");
system("pause");
system("cls");
i++;
MENU2();
MENU2_choose();
break;
}
p=p->next;
}
if(i==0)
{
printf("密码或者账号错误\n");
system("pause");
system("cls");
ME();
return;
}
}
if(n==3)
{
link_shopLS;
shop*p;
j=0;
LS=shopread();
p=LS->next;
printf("请输入店铺名称或者账号：");
scanf("%s",dp);
printf("请输入密码");
i=0;
while((ch=getch())!=13)
{
if(ch==8)
{
printf("\b\b");
i--;
continue;
}
putchar('*');
b[i++]=ch;
}
b[i]='\0';
while(p!=NULL)
{
if(strcmp(dp,p->name)==0&&strcmp(b,p->password)==0)
{
system("cls");
//system("color0a");
//welcome();
j++;
printf("\n");
system("pause");
system("cls");
MENU3();
MENU3_choose();
break;
}
else
p=p->next;
}
if(j==0)
{
printf("\t\t\n×密码或者账号错误\n");
system("pause");
system("cls");
ME();
return;
}
}
if(n==0)
{
system("cls");
ME();
break;
}
}
}
user*creatu()
{
chara[30],b[20],c[15],d[20];
charca[20],mi1[20],mi2[20];
link_userLU,lu;
FILE*fp;
user*s,*r,*p;
intx,y,i,h;
LU=r=(user*)malloc(sizeof(user));
LU->next=NULL;
printf("请输入姓名：");
scanf("%s",a);
lu=userread();
while(1)
{
i=0;
p=lu->next;
while(p)
{
if(strcmp(a,p->name)==0)
{
i++;
printf("\t\t×此用户已经有人注册过,请重新输入:");
scanf("%s",a);
break;
}
else
p=p->next;
}
if(i==0)
break;
}
printf("请输入收货地址：");
scanf("%s",b);
printf("请输入密码：");
scanf("%s",c);
printf("请输入电话号码：");
scanf("%s",d);
x=strlen(c);
while(x<8)
{
printf("\t\t●您的密码小于8位，安全指数为低\n");
printf("按1修改,其他键放弃修改:");
scanf("%d",&y);
if(y==1)
{
scanf("%s",c);
x=strlen(c);
}
else
break;
}
if(strcmp(b,"0")!=0)
{
s=(user*)malloc(sizeof(user));
s->score=0;
strcpy(s->name,a);
strcpy(s->delivery,b);
strcpy(s->password,c);
strcpy(s->number,d);
r->next=s;
s->next=NULL;
r=s;
printf("为了方便充值钱包，请绑定您的银行卡：");
scanf("%s",ca);
h=strlen(ca);
while(h<15)
{
printf("\t\t●您的银行卡不足15位，请重新输入：");
scanf("%s",ca);
h=strlen(ca);
}
i=0;
printf("请设置您的支付密码");
scanf("%s",mi1);
printf("请确认密码");
scanf("%s",mi2);
if(strcmp(mi1,mi2)!=0)
{
printf("\t\t×注册失败,两次密码不同");
return0;
}
fp=fopen("yue.txt","at");
fprintf(fp,"%s%s%s\n",a,ca,mi1);
fclose(fp);
}
else
{
printf("\t\t×注册失败，请输入正确的收货信息：");
return0;
}
returnLU;
}
voidRegister()
{
inty;
chara;
FILE*fp;
shopsq;//申请
system("cls");
printf("\n\n\n\t\t\t\t1.注册用户\t\t\t2.申请店铺\n");
printf("\t\t\t\t0.返回上一级");
while(1)
{
printf("\t\t▲请选择要进行的选项：");
scanf("%d",&y);
if(y==1)//用户注册
{
link_userLU;
LU=creatu();
userwrite2(LU);
}
if(y==2)
{
printf("请输入店铺名称：");
scanf("%s",sq.name);
printf("请输入店铺电话：");
scanf("%s",sq.phone);
printf("请输入店铺地址：");
scanf("%s",sq.address);
printf("请输入店铺密码：");
scanf("%s",sq.password);
fp=fopen("shenqing.txt","at");
if(fp==NULL)
{
printf("发生错误，无法打开文件");
return;
}
printf("是否保存？Y/else");
scanf("%*c%c",&a);
if(a=='Y')
{
fprintf(fp,"%s%s%s%s\n",sq.name,sq.phone,sq.address,sq.password);
fclose(fp);
printf("\t\t√申请成功，等待上级审核");
}
else
{
printf("\t\t×已放弃申请");
fclose(fp);
}
}
if(y==0)
{
system("cls");
printf("\t\tWELCOME\n这里是外卖管理系统，请选择接下来的操作：");
printf("\n\n\t\t\t\t1.登陆");
printf("\t\t\t\t2.注册\n");
break;
}
}
}
voidchoose()
{
intx;
ME();
while(1)
{
scanf("%d",&x);
if(x==1)
login();
if(x==0)
{
Exit();
return;
}

if(x==2)
Register();
}
}
intmain()
{
choose();
}
代码有些多，因为要用到文件以及文件交互，因此这里有整个的文件外卖管理系统。
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持毛票票。
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C语言实现外卖管理系统

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