C语言实现电影管理系统

#include<stdio.h>
#include<stdlib.h>
#include<string.h>

typedef struct a{

 char name[100]; //电影名
 int grade; //评分
 int number; //一天场次
 int time; //电影时长
 int hall; //展厅号
  double price; //票价
 char timeline[100][100]; //时间段
 
 struct a* next;
}Cinema,*List;

List head=NULL;

int Login();  // 登陆
void Menu();   //  主菜单
int Choose();  // 选择功能
void Creathead(); // 创建头结点
void Reload();   // 载入本地文件

void Search();   // 查找电影
void Creat();    // 新建电影数据
void Delete();   // 删除电影
void DeleteAll();  // 删除所有
void Modify();   // 修改电影数据
void Sort();   // 排序
void Changedata(List p);  // 排序中的数据交换
void DisplayAll(); // 显示所有电影
void Save();    // 保存

int main()
{
 if(Login()==0) return 0;
 Creathead();
 Reload();
 while (1)
 {
  Menu();
  switch (Choose())
  {
  case 1:
   Creat(); break;
  case 2:
   Delete(); break;
  case 3:
    Search();break;
  case 4:
   Modify(); break;
  case 6:
   DisplayAll(); break;
  case 5:
   DeleteAll(); break;
  case 7:
   Sort(); break;
  case 8:
   Save(); break;
  case 0:
    return 0;
  }
 }
}

int Login()
{
 while (1)
 {
  printf("----------------------------------------------------------\n");
  printf("*                            *\n");
  printf("*            1：用户登录           *\n");
  printf("*            2：用户注册           *\n");
  printf("*                            *\n");
  printf("----------------------------------------------------------\n");
  int choose;
  char fusername[100], fpassword[100];
  char username[100], password[100];
  scanf("%d", &choose);

  if (choose == 1)
  {
   FILE* f1 = fopen("user.txt", "r");
   printf("请输入用户名：");
   scanf("%s", username);
   getchar();
   printf("请输入密码：");
   char c;
   int i = 0;
   while ((c = getch()) != '\r')
   {
    if (c == '\b')
    {
     i--;
     putchar('\b');
     putchar(' ');
     putchar('\b');
    }
    else
    {
     password[i] = c;
     i++;
     putchar('*');
    }
   }
   printf("\n");
   password[i] = '\0';

   fscanf(f1, "%s %s", fusername, fpassword);
   if ((strcmp(fusername, username) == 0) && (strcmp(fpassword, password)) == 0)
   {
    printf("登陆成功\n");
    getch();
    system("cls");
    return 1;
   }
   else
   {
    printf("用户名或密码错误");
     getch();
    return 0;
   }
  }

  else if (choose == 2)
  {
   FILE* f2 = fopen("user.txt", "w");
   printf("请输入用户名：");
   scanf("%s", username);
   printf("请输入密码：");
   scanf("%s", password);
   fprintf(f2, "%s %s", username, password);
   fclose(f2);
   system("cls");
   printf("注册成功！\n");
  }
 }
}

void Menu()
{
 printf("\n\n");
 printf("-----------------------------影院管理系统--------------------------------\n");

 printf("\t1.添加电影信息  2.删除某个电影信息  3.查找某个电影信息\n");

 printf("\t4.修改电影信息  5.删除所有电影信息  6.显示所有电影信息\n");

 printf("\t7.排序      8.保存        0.退出\n");

 printf("\n-------------------------------------------------------------------------\n");

}

int Choose(){
 int n;
 printf("请输入序号:");
 while (scanf("%d", &n) != 1 || n < 0 || n>8)
 {
  printf("请重新输入:");
  scanf("%d", &n);
 }
 return n;
}

void Reload()
{
 int number,time,hall,count=0,grade;
 double price;
 char name[100];
 char timeline[100][100];
 List b=head;
 FILE* p = fopen("data.txt", "a+");

 while (fscanf(p, "%s%d%d%d%d%lf",name,&grade,&number,&time,&hall,&price) == 6)
 {
  
  List a = (List)malloc(sizeof(Cinema));
  b->next=a;  

  a->grade = grade;
  a->price = price;
  a->time = time;
  a->hall = hall;
  a->number = number;
  strcpy(a->name, name);
  
  int i;
  for(i=0;i<number;i++)
  {
   fscanf(p,"%s",timeline[i]);
   strcpy(a->timeline[i], timeline[i]);
  }

  b = b->next;
  count++;
 }
 if(count!=0)
 b->next = NULL;
 printf("成功载入%d条信息\n\n", count);
 fclose(p);
}

void Creathead()
{
 List a=(List)malloc(sizeof(Cinema));

 a->price = 0;
 a->time = 0;
 a->hall = 0;
 a->number = 0;
 a->grade = 0;
 strcpy(a->name, "0");
// strcpy(a->timeline, "0");
 a->next=NULL;
 head=a; 
}

void Creat()
{
 List a = (List)malloc(sizeof(Cinema));

 printf("请输入电影名： ");
 scanf("%s", a->name);
 printf("请输入电影评分： ");
 scanf("%d",&a->grade);
 printf("请输入电影时长：(单位min) ");
 scanf("%d", &a->time);
 printf("请输展厅号： ");
 scanf("%d", &a->hall);
 printf("请输入票价： ");
 scanf("%lf", &a->price);
 
 printf("请输入一天共几场： ");
 scanf("%d", &a->number);
 printf("请输入电影时间段：(xx:xx) ");
 int i;
 for(i=0;i< a->number;i++)
  scanf("%s", a->timeline[i]);

 a->next = NULL;
 List b = head;
 while (b->next != NULL)
  b = b->next;
 b->next = a;
 system("cls");
 printf("添加成功\n\n");
}

void Search()
{
 int flag = 1;
 List a,b;
 a=b = head->next;
 char name[100];
  printf("输入要查找的电影名:");
  scanf("%s", name);
 printf("\n");
 while(strcmp(a->name,name))
 {
  b=a;
  a=b->next;
  if (a== NULL)
  {
   printf("查找失败\n\n");
   flag = 0;
   break;
  }
 }
  if(flag)
 {
 printf("电影名\t\t评分\t\t场次\t\t时长\t\t展厅号\t\t票价\t\t上映时间段\n");
 printf("---------------------------------------------------------");
 printf("---------------------------------------------------\n");

 printf("%*s\t%d\t\t%d\t\t%d\t\t%d\t\t%.2lf\t\t[1]%s\n",-10,a->name,a->grade,a->number,a->time,a->hall,a->price,a->timeline[0]);
 int i;
 for(i=1;i<a->number;i++)
  printf("\t\t\t\t\t\t\t\t\t\t\t\t[%d]%s\n",i+1,a->timeline[i]);
 printf("\n");
  }
 printf("\n\n");
 getchar();
 getchar();
 system("cls");
}

void Delete()
{
 char choose;
 char name[100];
 List a=head,b=head;
 printf("输入要删除的电影名： ");
 scanf("%s",name);
 while(strcmp(a->name, name))
 {
  b=a;
  a = b->next;
 }
 printf("确认删除电影 %s (y/n)",a->name);
 getchar();
 scanf("%c",&choose);
 if(choose=='y')
 {
  b->next=a->next;
  free(a);
 }
}

void DeleteAll()
{
 List a, b;
 a = b = head->next;
 while (a != NULL)
 {
  b = a->next;
  free(a);
  a = b;
 }
 head->next = NULL;
 remove("data");
}


void Modify()
{
 int flag = 0;
 char name[100],choose;
 List a=head->next,b=head;
 getchar();
 printf("输入要修改的电影名： ");
 scanf("%s", name);
 getchar();
 while(a!=NULL)
 {
  if (strcmp(a->name, name) == 0)
  {
   flag = 1;
   break;
  }
  b = a;
  a = b->next;
 }
 if (flag)
 {
  printf("电影名为 %s 是否修改(y/n)", a->name);
  scanf("%c", &choose);
  getchar();
  if (choose == 'y')
  {
   printf("修改为：");
   scanf("%s", a->name);
  }


  printf("电影评分为 %d 是否修改 (y/n)", a->grade);
  scanf("%c", &choose);
  getchar();
  if (choose == 'y')
  {
   printf("修改为：");
   scanf("%d", &a->grade);
  }

  printf("电影一天场数为 %d 是否修改(y/n)", a->number);
  scanf("%c", &choose);
  getchar();
  if (choose == 'y')
  {
   printf("修改为：");
   scanf("%d", &a->number);
  }

  printf("电影时长为 %dmin 是否修改(y/n)", a->time);
  scanf("%c", &choose);
  getchar();
  if (choose == 'y')
  {
   printf("修改为：");
   scanf("%d", &a->time);
  }

  printf("展厅号为 %d 是否修改(y/n)", a->hall);
  scanf("%c", &choose);
  getchar();
  if (choose == 'y')
  {
   printf("修改为：");
   scanf("%d", &a->hall);
  }

  printf("票价为 %.2f 是否修改(y/n)", a->price);
  scanf("%c", &choose);
  getchar();
  if (choose == 'y')
  {
   printf("修改为：");
   scanf("%f", &a->price);
  }

  printf("修改完成");
 }
 else
  printf("未找到\n\n");
 getch();
 system("cls");
}

void DisplayAll()
{
 system("cls");
 List a, b;
 a = b = head->next;

 if (head->next == NULL)
 {
  printf("无数据");
  getchar();
  getchar();
  system("cls");
  return;
 }
  
 printf("电影名\t\t评分\t\t场次\t\t时长\t\t展厅号\t\t票价\t\t上映时间段\n");
 printf("---------------------------------------------------------");
 printf("---------------------------------------------------\n");

 while (a!=NULL)
 {
  printf("%*s\t%d\t\t%d\t\t%d\t\t%d\t\t%.2lf\t\t[1]%s\n",-10,a->name,a->grade,a->number,a->time,a->hall,a->price,a->timeline[0]);
  int i;
  for(i=1;i<a->number;i++)
   printf("\t\t\t\t\t\t\t\t\t\t\t\t[%d]%s\n",i+1,a->timeline[i]);
  printf("\n");
  b = a;
  a = b->next;
 } 
 getchar();
 getchar();
 system("cls");
}

void Sort()
{
 int a,b;
 printf("请选择按 1.评分 2.场次 排序 :");
 scanf("%d",&a);
 printf("请选择 1.降序 2.升序 :");
 scanf("%d",&b);

 List p = head->next;
 List p1 = NULL;
 while (p != p1)
 {
  while (p->next != p1)
  {
   if (a == 1)
   {
    if (b == 1)
    {
     if (p->grade < p->next->grade)
     {
      Changedata(p);
     }
    }
    else if (b == 2)
    {
     if (p->grade > p->next->grade)
     {
      Changedata(p);
     }
    }
   }
   if (a == 2)
   {
    if (b == 1)
    {
     if (p->number < p->next->number)
     {
      Changedata(p);
     }
    }
    else if (b == 2)
    {
     if (p->number > p->next->number)
     {
      Changedata(p);
     }
    }
   }
   p = p->next;
  }
  p1 = p;
  p = head->next;
 }

 printf("排序成功\n\n");
 getch();
 system("cls");
 
}

void Changedata(List p)
{
 double ex1 = p->price;
 p->price = p->next->price;
 p->next->price = ex1;

 int ex2 = p->grade;
 p->grade = p->next->grade;
 p->next->grade = ex2;

 int ex4 = p->time;
 p->time = p->next->time;
 p->next->time = ex4; 

 int ex5 = p->hall;
 p->hall = p->next->hall;
 p->next->hall = ex5;

 char temp[100];
 strcpy(temp, p->name);
 strcpy(p->name, p->next->name);
 strcpy(p->next->name, temp);

 char temp2[100][100];
 int i;
 for(i=0;i<p->number;i++)
  strcpy(temp2[i], p->timeline[i]);
 for(i=0;i<p->next->number;i++)
  strcpy(p->timeline[i], p->next->timeline[i]);
 for(i=0;i<p->number;i++)
  strcpy(p->next->timeline[i], temp2[i]);

 int ex3 = p->number;
 p->number = p->next->number;
 p->next->number = ex3;
}

void Save()
{
 if (head->next == NULL)
 {
  printf("未录入信息\n\n");
  return;
 }
 List a=head->next,b=head;

 FILE *p=fopen("data.txt","w");
 while(a!=NULL)
 {
  fprintf(p, "%s %d %d %d %d %.2lf ", a->name,a->grade, a->number, a->time, a->hall, a->price);
  int i;
  for(i=0;i< a->number;i++)
   fprintf(p,"%s ",a->timeline[i]);
  fprintf(p, "\n");
  b=a;
  a=a->next;
 }
 fclose(p);

 printf("保存成功");
 getch();
 system("cls");
}