c语言电影管理系统


文件目录

在这里插入图片描述说明:

  • user.txt 储存用户名和密码 空格隔开
  • data.txt 单行数据分别为:电影名 评分 场次 时长 展厅号 票价 时间段
    场次对应后面有几个时间段

原码

#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");
}

所有文件目录需要自己修改,vs中相对路径从工程文件位置开始,dev从.c文件开始,最好使用绝对定位

部分功能解析

1. 登录系统

开头有简易登录系统,暂时只能保存一位用户注册信息(说不定会完善)

简易密码加密

			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';

输入密码时用getch()函数不回显特性,将数据存入c但不显示在窗口,同时putchar(*)做到视觉加密

遇到退格\b时,先将光标前移一位,然后用空格代替原本 *,再将光标前移等待下次录入

2. 载入

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);
		
		for(int 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);
}

登录成功后,自动把文件中信息载入内存,同时显示成功载入的信息

3. 时段排版

根据一天上映的场次决定最后时间段展示的行数
DisplayAll()函数中:

for(int 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]);

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