air.c

数据结构(C语言)实验报告_飞机订票系统.rar

#include<stdio.h>
#include<stdlib.h>
#define OK 1
#define ERROR 0

typedef struct flightnode{
char air_num[10];
char end_place[30];
char start_time[15];
char end_time[15];
int  total;
int  left;
int price;
struct flightnode *next;
}flightnode;

typedef struct passengernode{
char name[20];
char ID_num[20];
char air_num[20];
int  seat_num;
struct passengernode *next;
}passengernode;

flightnode *start_air();
passengernode *start_cus();
int creat_air(flightnode **l);
int creat_cus(passengernode **l);
int insert_air(flightnode **p,char *air_num,char *start_time,char *end_place,int total,int left,int price);
int insert_cus(passengernode **p,char *name,char *ID_num,char *air_num,int seat_num);
flightnode *modefy_airline(flightnode *l,char *air_num);
int book(flightnode*a,char *air_num,passengernode *c,char *name,char *ID_num);
int del_cus(passengernode *c,flightnode*l,char *name,char *ID_num);
int search_air(flightnode*head);
int search_cus(passengernode *head);

void main()
{
int t=2;
passengernode *cus=start_cus();
flightnode *air=start_air();

char name[20],air_num[20],ID_num[30],ch;  clrscr();

creat_air(&air);
creat_cus(&cus);


while(t==2)
{
printf("\n");
printf("\n            welcome to the  airline system!\n\n  please choose the serves below and press the number:\n\n");
printf("  ================================================================\n\n");
printf("                   1-----Book           \n\n");
printf("                   2-----Cancel           \n\n");
printf("                   3-----Search           \n\n");
printf("                   4-----Exit           \n\n");
printf("  ================================================================\n\n");
ch=getch();
switch(ch){
case '1':{printf("\n     *-------------Booking Ticket-------------*\n");
printf("Please input a airline number and press enter for OK:");
scanf("%s",air_num);
printf("Please input your name and press enter for OK:");
scanf("%s",name);
printf("Please input your ID number and press enter for OK:");
scanf("%s",ID_num);
book(air,air_num,cus,name,ID_num);getch();}
;break;
case '2':{printf(" *-----------------------Canceling Ticket--------------------*\n");
printf("Please input the cancel name for booking ticket:");
scanf("%s",name);printf("Please input the ID for booking ticket:");scanf("%s",ID_num);
del_cus(cus,air,name,ID_num);
};break;
case '3':{printf("*------------------ flight information -----------------*\n\n");
search_air(air);
 printf("\n*---------------passenger information ---------------*\n\n");
search_cus(cus);getch();}break;
case '4':{getch();
t=0;}break;
}
}}



flightnode *start_air()
{
flightnode *a;
a=(flightnode *)malloc(sizeof(flightnode));
if(a==NULL)
a->next=NULL;
return a;
}

passengernode *start_cus()
{
passengernode *c;
c=(passengernode*)malloc(sizeof(passengernode));
if(c==NULL)
c->next=NULL;
return c;
}

int creat_air(flightnode **l)
{
flightnode *p=*l;
int i=0;
char *air_num[3]={"flight01","flight02","flight03"};
char *start_time[3]={" 08:00"," 12:00"," 16:30"};
char *end_place[3]={"Guangzhou","Shenzhen","Shantou"};
int total[3]={100,100,100};
int price[3]={300,200,250};
int left[3]={23,54,76};
for(i=0;i<3;i++)
insert_air(&p,air_num[i],start_time[i],end_place[i],total[i],left[i],price[i]);

return OK;
}

int creat_cus(passengernode **l)
{
passengernode *p=*l;
int i=0;
char *name[3]={"liming","Ximing","Chongliang"};
char *ID_num[3]={"3105006052","3105006054","3105006051"};
char *air_num[3]={"flight01","flight02","flight03"};
int seat_num[3]={12,5,8};
for(i=0;i<3;i++)
insert_cus(&p,name[i],ID_num[i],air_num[i],seat_num[i]);
return OK;
}

int insert_air(flightnode **p,char *air_num,char *start_time,char *end_place,int total,int left,int price)
{flightnode *q;
q=(flightnode*)malloc(sizeof(flightnode));
strcpy(q->air_num,air_num);
strcpy(q->start_time,start_time);
strcpy(q->end_place,end_place);q->total=total;
q->left=left;
q->price=price;
q->next=NULL;
(*p)->next=q;
(*p)=(*p)->next;
return OK;
}

int insert_cus(passengernode **p,char *name,char *ID_num,char *air_num,int seat_num)
{passengernode *q;
q=(passengernode*)malloc(sizeof(passengernode));
strcpy(q->name,name);
strcpy(q->ID_num,ID_num);
strcpy(q->air_num,air_num);
q->seat_num=seat_num;
q->next=NULL;
(*p)->next=q;
(*p)=(*p)->next;
return OK;
}

flightnode *modefy_airline(flightnode *l,char *air_num)
{
flightnode *p;
p=l->next;
for(;p!=NULL;p=p->next)
{
if(strcmp(air_num,p->air_num)==0)
{
p->left++;
return l;
}
printf("NO the airline!");
return 0;
}}

int book(flightnode *a,char *air_num,passengernode *c,char *name,char *ID_num)
{flightnode *p=a;
passengernode *q=c->next;
p=a->next;
for(;q->next!=NULL;q=q->next);
for(;p!=NULL;p=p->next)
{if(strcmp(p->air_num,air_num)==0){
if(p->left>0)
{printf("      \nSuccessful for Booking ticket.\n\n    Your flight:  %s\n   Your seat number :  %d ",p->air_num,(p->total-p->left+1));printf("\n     *-----------------------------------------*");
insert_cus(&q,name,ID_num,air_num,p->total-p->left+1);
p->left--; return OK;}
else
{printf("seat is full");return 0;}
}/*if(strcmp)*/ }
printf("Sorry,there isn't the plane,please check the airline number!");printf("\n     *-----------------------------------------*");

}

int del_cus(passengernode *c,flightnode *l,char *name,char *ID_num)
{
passengernode *p,*pr;
char air_num[20];
pr=c;
p=pr->next;
while(p!=NULL)
{
if(strcmp(p->name,name)==0&&strcmp(p->ID_num,ID_num)==0)
{
strcpy(air_num,p->air_num);
l=modefy_airline(l,air_num);
pr->next=p->next;
p=pr->next;
printf("successful for canceling ticket.");
return OK;
}
pr=pr->next;
p=pr->next;
}
printf("Sorry,there isn't the customer!");printf("\n     *--------------------------------------------------------*");
return ERROR;
}

int search_air(flightnode *head)
{flightnode *p=head->next;
printf(" Flight    Start_time   Arrival_place  Price  Total  Left_seat\n\n");
for(;p!=NULL;p=p->next)
{
printf(" %s    %-10s   %-9s   %-7d%-6d %-6d\n",p->air_num,p->start_time,p->end_place,p->price,p->total,p->left);printf("\n");
}printf(" *----------------------------------------------------------*\n\n");
return OK;
}

int search_cus(passengernode *head)
{struct passengernode *q=head->next;
printf("  Name       ID         Flight     Seat_number\n\n");
for(;q!=NULL;q=q->next)
{
printf("%-12s %-8s %-5s      %d\n",q->name,q->ID_num,q->air_num,q->seat_num);printf("\n");
}
printf("\n *----------------------------------------------------------*");
return OK;}