C语言旅馆信息管理系统.doc

C语言旅馆信息管理系统

26
2020年4月19日
文档仅供参考
/*
*
*题目:旅店信息管理系统
*
*小组成员：闫若琳 戴雨晨 马渊沐 张子飞 李闯
王浩 崔以博 孙浩浩 李春普 温健成
*/

#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
#include <string.h>
#define MIN 1
#define MAX 30
#define LEN sizeof(struct Hotel) //用LEN代替结构体的"长度"

void regeist();
void out_information();
void search_number();
void show_all();
void search_name();
void change();
void fire();
struct Hotel *load();
FILE *fp;

struct Hotel
{
int room_number;
char name [20];
char sex[10];
char ID [20];
float paid[10];
int inyear ;
int inmonth ;
int inday ;
struct Hotel *next ;
};

struct Hotel *load() //定义load函数读取当前的信息，并存到内存链表中
{

struct Hotel *head,*pb, *s ;
pb=(struct Hotel *)malloc(LEN); //开辟新的节点
s =(struct Hotel *)malloc(LEN);
if((pb==NULL)||(s==NULL))
{
printf ("动态内存分配失败！\n");
getch();
exit(0);
}
if((fp=fopen("resturant.txt","rb"))==NULL)
{
printf ("无法打开文件！\n");
getch();
exit(0);
}
head = pb;
while (fread (s,LEN,1,fp)) //读取当前的信息，并存到链表中
{
pb->next = s;
pb = s;
s = (struct Hotel *)malloc(LEN);
}
pb->next =NULL;
return head ; //返回链表的头指针
}

int main () //崔以博、孙浩浩
{ char choice ;
do {printf ("\n\n--------------------------欢迎使用旅店信息管理系统---------------------------\n\n");
printf ("1.查看旅店信息\n2.查看某一房间信息\n3.查看旅客信息\n");
printf ("4.查找某一旅客信息\n5.旅客入住\n6.旅客换房\n7.旅客退房\n8.退出\n");
printf ("\n-----------------------------------------------------------------------------\n");
choice=getch();
switch (choice)
{

case '1':out_information();break;
case '2':search_number();break;
case '3':show_all();break;
case '4':search_name();break;
case '5':regeist();break;
case '6':change();break;
case '7':fire();break;
case '8':exit(0);break;
default :printf ("Error ！");break ;
}
printf ("\n\n请按任意键继续 ！\n");
getch();
system("cls");
}while(1);
return 0 ;
}

void out_information() //张子飞：定义out_information函数，完成查看旅店信息功能
{
FILE *fp;
char ch ;
if ((fp=fopen("information.txt","r"))==NULL)
{
printf ("无法打开文件！\n");
getch();
exit(0);
}
ch=fgetc(fp);
system("cls");
printf("\n\n\t\t\t旅店信息介绍： (若没有信息请返回创立)");
printf ("\n-------------------------------------------------------------------------------\n\n\t");
while (ch!=EOF)
{
putchar(ch);
ch=fgetc(fp);
}
fclose(fp);
}

void search_number () //李春普、温健成：定义search_number函数，用来完成查看某一房间的信息
{
char ch[2] ;
int room_number ;
struct Hotel *head, *pa ;
head=load();
printf ("\n请输入需要查看的房间序号：(%d~%d)：",MIN,MAX);
scanf ("%d",&room_number);
pa= head->next;
if (room_number<MIN||room_number>MAX)
{
printf ("\a\nError！");
return ;
}
do
{
if (pa)
{
if(room_number==pa->room_number) //如果找到相应信息，则输出
{

printf ("\n");
printf ("roomnumber:\t%d",pa->room_number);
printf ("\n");
printf ("name：\t\t%s",pa->name);
printf ("\n");
printf ("sex：\t\t%s",pa->sex);
printf ("\n");
printf ("ID:\t\t%s",pa->ID);
printf ("\n");
printf ("paid：\t\t%s",pa->paid);
printf ("\n");
printf ("%d %d %d",pa->inyear,pa->inmonth,pa->inday);
printf ("\n");
printf ("\n请选择是否继续查看信息(y/n):\n");
scanf ("%s",ch);
if((strcmp(ch,"Y")!=0)&&(strcmp(ch,"y")!=0))
{

return;
}
else
{
printf ("\n请输入需要查看的房间序号：(%d~%d)：",MIN,MAX);
scanf ("%d",&room_number);
pa= head->next;
if (room_number<MIN||room_number>MAX)
{
printf (" 无此房间！");
return;
}
continue ;
}
}
pa = pa->next;
}
else
{
printf ("\n该房间还没有旅客入住");
return;
}
}while(1);
}

void show_all() //戴雨晨：定义是show_all函数，用来显示所有旅客信息
{
struct Hotel *head, *pa ;
head=load();
pa= head->next;
printf ("\n所有入住旅客的信息如下：\n");
while (pa) //显示所有的旅客信息
{
printf ("\n");
printf ("roomnumber:\t%d",pa->room_number);
printf ("\n");
printf ("name：\t\t%s",pa->name);
printf ("\n");
printf ("sex：\t\t%s",pa->sex);
printf ("\n");
printf ("ID:\t\t%s",pa->ID);
printf ("\n");
printf ("paid：\t\t%s",pa->paid);
printf ("\n");
printf ("date：\t\t%d %d %d",pa->inyear,pa->inmonth,pa->inday);
printf ("\n");
pa = pa->next;
}
}

void search_name () //马渊沐：定义search_name函数，用来完成查看某一旅客的信息
{
char ch[2] ;
char inname[20] ; //用数组inname[20]来储存需要查询的旅客name
struct Hotel *head, *pa ;
head=load();
printf ("\n请输入需要查看的旅客姓名：");
scanf ("%s",inname);
pa= head->next;
do
{
if (pa)
{
if(strcmp(inname,pa->name)==0)
{
printf ("\n");
printf ("roomnumber:\t%d",pa->room_number);
printf ("\n");
printf ("name：\t\t%s",pa->name);
printf ("\n");
printf ("sex：\t\t%s",pa->sex);
printf ("\n");
printf ("ID:\t\t%s",pa->ID);
printf ("\n");
printf ("paid：\t\t%s",pa->paid);
printf ("\n");
printf ("date：\t\t%d %d %d",pa->inyear,pa->inmonth,pa->inday);
printf ("\n");
printf ("\n请选择是否继续查看信息(y/n):\n");
scanf ("%s",ch);
if((strcmp(ch,"Y")!=0)&&(strcmp(ch,"y")!=0))
{

return;
}
else
{
printf ("\n请输入需要查看的旅客姓名：");
scanf ("%s",inname);
pa= head->next;
continue ;
}
}
pa = pa->next;
}
else
{
printf ("\n没有查到该旅客的信息");
return ;
}
}while(1);
}

void regeist() //闫若琳：定义regeist函数实现入住功能
{

char ch[2] ;
int number ;
struct Hotel *head,*p1,*p2,*pa;
head=load();
pa= head->next;
printf ("\n已入住房间：\n");
while (pa)
{
printf ("\n");
printf ("roomnumber:\t%d",pa->room_number);
pa = pa->next;
}
fclose(fp);
if((fp=fopen("resturant.txt","a+"))==NULL)
{
printf ("无法打开文件！\n");
getch();
exit(0);
}
head=NULL;
p1=(struct Hotel *)malloc(LEN);
p2=(struct Hotel *)malloc(LEN);
if ((p1==NULL)||(p2==NULL))
{
printf ("动态内存分配失败！\n");
getch();
exit(0);
}
printf ("\n请登记入住信息！\n");
printf ("请选择房间号(%d~%d)：",MIN,MAX);
scanf ("%d",&number);
if (number<MIN||number>MAX)
{
printf ("无此房间！");
return;
}

p1->room_number=number ; //在该房间没有旅客时，登记入住
printf ("name:\t");
scanf ("%s",&p1->name);
printf ("sex：\t");
scanf ("%s",&p1->sex);
printf ("ID：\t");
scanf ("%s",&p1->ID);
printf ("paid：\t");
scanf ("%s",&p1->paid);
printf ("date(年月日空格隔开)：");
scanf ("%d %d %d",&p1->inyear,&p1->inmonth,&p1->inday);
p1->next=NULL ;
if(head==NULL) //将输入的信息保存到链表
{
head=p1;
p2=p1 ;
}
else
{
p2->next=p1;
p2=p1 ;
}
fwrite(p2,LEN,1,fp);
fclose (fp); //将链表信息保存到磁盘文件
printf ("\n请选择是否继续登记信息 (y/n):"); //判断是否继续登记旅客信息
scanf ("%s",ch);
if((strcmp(ch,"y")!=0))
{

printf ("\n登记旅客入住信息成功！");
return(0);
}
else regeist();
return ; //登记完成后返回头链表指针
}

void change() //李创：定义change函数实现换房功能
{

int room_number ;
int newroom_number ;
struct Hotel *head, *pa,*L ;
head=load();
printf ("\n请输入需要换房的房间序号：(%d~%d)：",MIN,MAX);
scanf ("%d",&room_number);
if (room_number<MIN||room_number>MAX)
{
printf ("无此房间！");
getch();
return;
}
pa= head->next;
do
{
if (pa)
{
if(room_number==pa->room_number)
{
printf ("\n");
printf ("roomnumber:\t%d",pa->room_number);
printf ("\n");
printf ("name：\t\t%s",pa->name);
printf ("\n");
printf ("sex：\t\t%s",pa->sex);
printf ("\n");
printf ("ID:\t\t%s",pa->ID);
printf ("\n");
printf ("paid：\t\t%s",pa->paid);
printf ("\n");
printf ("date：\t\t%d %d %d",pa->inyear,pa->inmonth,pa->inday);
printf ("\n");
printf ("\n请输入需要换到的房间序号：(%d~%d):",MIN,MAX);
scanf ("%d",&newroom_number);
if (newroom_number<MIN||newroom_number>MAX)
{
printf ("无此房间!");
getch();
return;
}

pa->room_number=newroom_number ;
break ;
}
pa = pa->next;
}
else
{
printf ("\n该房间还没有旅客入住！\n");
getch();
return;
}
}while(1);
fclose(fp);
if((fp=fopen("resturant.txt","wb"))==NULL)
{
printf ("无法打开文件！\n");
getch();
exit(0);
}
L=head->next;
while(L)
{
fwrite(L,LEN,1,fp);
L=L->next ;
}
fclose(fp);
printf ("\n换房成功！");

return;
}

void fire() //王浩：定义fire函数实现退房功能
{

char inname[20] ; //用数组inname[20]来储存需要退房旅客name
struct Hotel *head, *qian,*pa,*L ;
head=load();
qian=(struct Hotel *)malloc(LEN); //开辟新的节点
if (qian==NULL)
{
printf ("动态内存分配失败！\n"); //如果动态内存分配失败，返回失败信息
getch();
exit(0);
}
printf ("\n请输入需要退房的旅客姓名：");
scanf ("%s",inname);
pa=head->next ;
do
{
if (pa)
{
if(strcmp(inname,pa->name)==0)
{
printf ("\n");
printf ("roomnumber:\t%d",pa->room_number);
printf ("\n");
printf ("name：\t\t%s",pa->name);
printf ("\n");
printf ("sex：\t\t%s",pa->sex);
printf ("\n");
printf ("ID:\t\t%s",pa->ID);
printf ("\n");
printf ("paid：\t\t%s",pa->paid);
printf ("\n");
printf ("date：\t\t%d %d %d",pa->inyear,pa->inmonth,pa->inday);
printf ("\n");

qian=head ;
while(qian->next != pa) //找到需要查找节点的前一个节点
qian=qian->next ;
if (pa->next==NULL)
qian->next=NULL ;
else
qian->next=pa->next ;
break ;

}
pa = pa->next;
}
else
{
printf ("\n没有查找到该旅客的信息！\n");
getch();
exit(0);
}
}while(1);
L=head->next ;
if((fp=fopen("resturant.txt","wb"))==NULL)
{
printf ("无法打开文件！\n");
getch();
exit(0);
}
while(L)
{
fwrite(L,LEN,1,fp);
L=L->next ;
}
fclose(fp);
printf ("\n退房成功！");
}