C语言实现外卖管理系统

#include<stdio.h>#include<stdlib.h>#include<string.h> #include<windows.h>#include<time.h>#include<conio.h>void choose();//建立关于店铺的结构体 typedef struct shop{  char name[20];  char phone[20];  char address[30];  char password[20];  struct shop *next;}shop,*link_shop;//建立关于订单的结构体 typedef struct food{  char name[20];  int type;  int amount;  int price;  int total;  char shop[20];  char yonghu[20];  char leibie[20];   struct food *next; }food,*link_food;//建立关于用户的结构体typedef struct user{  char name[20];  char delivery[39];  char password[15];  char number[15];  int score;  struct user *next;}user,*link_user;typedef struct money{  char person[20];  char card[25];  char mima[20];  struct money *next;}money,*link_money;char yh[20];//用户设置全局变量 char dp[20];//店铺设置全局变量 time_t start,end;//函数声明void foodwrite(link_food LF);void shopwrite1(link_shop LS);void dingdanwrite(link_food LF);void user_moneywrite(link_user LM);void welcome(){  int i=0;  char a[52]="▲WELCOME TO RESTAURANT MANAGEMENT SYSTEM▲";  //system("color 0a");  printf("/n/n/n/n/t/t");  while(a[i])  {    printf("%c",a[i]);    Sleep(50);    i++;  }  printf("/n/n/n/n/t/t");}void Exit(){  int i=0;  system("cls");  char a[20]="LOVE you,byebye^_^";  system("color 03");  printf("/n/n/n/t/t/t");  while(a[i])  {    printf("%c",a[i]);    Sleep(100);    i++;  }}void ME(){  system("color 0b");  printf("/n/n/n/t/t☆★ W E L C O M E ☆★/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）  void MENU(){  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/t     1.管理员登陆     /n");  printf("/t/t/t/t/t     2.用户登录      /n");  printf("/t/t/t/t/t     3.店家登陆      /n");  printf("/t/t/t/t/t     0.返回上一级     /n");  printf("/t/t/t/t/t================================/n");}//管理员选项 void MENU1(){  system("color 0f");  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 void MENU2(){  system("color 0f");  printf("/n/n/t/t/t/t 1.用户相关 ▲/t/t/t 5.购买菜品 /n");   printf("/t/t/t/t---------------/t/t/t---------------/n");  printf("/t/t/t/t 2.查看订单 ▲/t/t/t 6.订单排序/n");  printf("/t/t/t/t---------------/t/t/t---------------/n");  printf("/t/t/t/t 3.查看菜品 ▲/t/t/t 0.返回上级 /n");  printf("/t/t/t/t---------------/t/t/t---------------/n");  printf("/t/t/t/t 4.修改订单 ▲/n");}//店主选项 void MENU3(){  system("color 0f");  printf("/n/n/n/t/t/t ________ Shop Version _______/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(){  int i=0,n;  link_food LF;  food *s,*r;  char a[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(){  char a[30],b[20],c[15],d[20];  link_shop LS;  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;  }  return LS; }void Outputshop(link_shop Ls){  int n=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");}void Outputfood(link_food LF){  food *s;  s=LF->next;  int sum=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;  }}void outputfood(link_food LF){  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){  int n;  char y;  char a[20];  FILE *fp;  link_money LY;  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");  return u; }          //按工号排序void name_sort(link_shop LS) {   int i,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;j<n-i;j++)     {       p = u->next;       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;}void address_sort(link_shop LS) {   int i,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;j<n-i;j++)     {       p = u->next;       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;}void dingdan_name_sort(link_food LF) //按订单食物名称排序 {   int i,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;j<n-i;j++)     {       p = u->next;       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;}void dingdan_total_sort(link_food LF) //按订单总价从高到低排序 {   int i,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;j<n-i;j++)     {       p = u->next;       q = p->next;       if(p->total>q->total)       {         u->next = q;         p->next = q->next;         q->next = p;       }       u = u->next;     }   }   Outputfood(LF);  return;}void dingdandelete(link_food Lf){  food *p,*n;  p=Lf;  n=p->next;  int m;  char a;  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_food LF,r,s;  fp=fopen("dingdan.txt","rt");  if(fp==NULL)  {     printf("查看订单失败");    return 0;  }  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;  }  return LF;}void scorefind(link_food LF){  int sum=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_food LF;  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);  return LF;  }money * moneyread()//读取 {  link_money LM;  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);  return LM;  }shop * shopread(){  link_shop LS;  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);  return LS;  }user * userread(){  link_user LU;  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);  return LU;  } void deleteshop(link_shop LS){  int i=0;  shop *p,*q;  p=LS;  q=p->next;  char m[20];  char a;  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;  }}void deletedingdan(link_food Lf){  food *p,*n;  p=Lf;  n=p->next;  int m,i=0;  char a;  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;  }}void purchase(){  link_food Lf;  money *LM,*mo;  user *lu,*us;  FILE *fp;  char a[20],b[20],mi[20];  char y;  int i=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)<p->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();   }}void foodwrite(link_food LF)//保存  {  FILE *fp;  food *p;  char a;  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"); } void foodwrite1(link_food LF) {  FILE *fp;  food *p;  char a;  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"); }// void foodwrite2(link_food LF)// {// FILE *fp;// food *p;// char a;// 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");// } void dingdanwrite(link_food LF) {  FILE *fp;  food *p;  char a;  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");  }void shopwrite1(link_shop LS) {  FILE *fp;  shop *p;  char a;  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"); } void shopwrite2(link_shop LS) {  FILE *fp;  shop *p;  char a;  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"); } void userwrite(link_user LU) {  FILE *fp;  user *p;  char a;// 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"); } void user_moneywrite(link_user LM) {  FILE *fp;  user *p;  char a;// 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"); } void userwrite2(link_user LU) {  FILE *fp;  user *p;  char a;  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"); }void increaseshop(link_shop LS){  char a[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); }void shopfind(link_shop LS){   shop *p;  char E[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);} void registerdeal(){  int q;  FILE *fp;  char y;  link_shop head;  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);}void MENU1_choose(){  int n,m,q;  char a[20],b[20],c[20],d[20];  char y;  FILE *fp,*fa;  shop *p;  shop sq;  link_shop LS;  link_user LU;  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("/t  1.查看个人信息  /n");      printf("/t○ 2.修改个人信息 ○/n");      printf("/t  0.返回上一级   /n");//二级       printf("/t● ○ ● ○ ● ○ ●/n");      while(1)      {        scanf("%d",&m);        if(m==1)        {          char d[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/t   1.修改姓名   /n");          printf("/t/t○  2.修改地址  ○/n");          printf("/t/t   3.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           {            int j=0,h;             char f[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("/t  1.查看个人信息  /n");            printf("/t○ 2.修改个人信息 ○/n");            printf("/t  0.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("/t  1.查看个人信息  /n");            printf("/t○ 2.修改个人信息 ○/n");            printf("/t  0.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");     }    }}void MENU2_choose(){  int n,m,q,i=0;  char a[20],b[20];  char y;  FILE *fp;  user *u;  food *p,*s,*r;  link_food LF,Lf;  LF=foodread();  link_user LU;// user user;  while(1)  {    scanf("%d",&n);    switch(n)    {      case 1:          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;      case 2:        LF=dingdanread();        Outputfood(LF);         break;      case 3:        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;      case 4:        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;       case 5:        purchase();        break;      case 6:        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);      case 0:        system("cls");        MENU();        return;        break;      }    }}void deletefood(link_food Lf){  int i=0;  food *p,*n;  p=Lf;  n=p->next;  char m[20];  char a;  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;  }}void MENU3_choose(){  int x,y;  char a[20];  link_food LF,Lf;  LF=foodread();  food *p;  while(1)  {    printf("请选择：");    scanf("%d",&x);    if(x==1)    {      creatf();      //foodwrite(LF);    }    if(x==2)    {      int i=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)    {      int sum=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void login(){  int n,i=0,j=0;  char a[10],c[10];  char b[15],d[15],f[10],e[20];  FILE *fp;  char ch;  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("color 03");      welcome();      printf("/n");      system("pause");      system("cls");      MENU1();      MENU1_choose();     }  //用户登录     if(n==2)    {      link_user LU;      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';      int i=0;      while(p!=NULL)      {        if(strcmp(yh,p->name)==0&&strcmp(b,p->password)==0)        {          system("cls");          //system("color 0a");          //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_shop LS;      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("color 0a");          //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(){  char a[30],b[20],c[15],d[20];  char ca[20],mi1[20],mi2[20];  link_user LU,lu;  FILE *fp;  user *s,*r,*p;  int x,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");      return 0;    }    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：");    return 0;  }  return LU;  }void Register(){  int y;  char a;  FILE *fp;  shop sq;//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_user LU;      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;       }  }}void choose(){  int x;  ME();  while(1)  {    scanf("%d",&x);    if(x==1)      login();    if(x==0)    {      Exit();      return;    }    if(x==2)      Register();  }}int main(){  choose(); }