,.

}

}

n =fread(q,sizeof(passengernode),1,fp); if(n!=1)

break;

PList->rear->next=q; PList->rear=q;

PList->rear->next=NULL; fclose(fp);

void save_flight(flightnode *h) { }

void load_flight(flightnode *&h) {

flightnode *pt=h;

FILE* fp = fopen(\if(fp==NULL)

return; flightnode *q; int n;

while(!feof(fp)) {

q=(flightnode *)malloc(sizeof(flightnode)); n=fread(q,sizeof(flightnode),1,fp); FILE* fp = fopen(\if(fp==NULL)

return;

flightnode *temp=h->next; while(temp!=NULL) { };

fclose(fp);

fwrite(temp,sizeof(flightnode),1,fp); temp = temp->next;

,.

}

}

if(n!=1)

break; pt->next=q; pt=q;

pt->next=NULL; fclose(fp);

int find_same_flight(flightnode *h,char *flight_num) { m,

p->start_place,p->end_place,p->start_time,p->end_time,p->price,p->price_discount,p->isFull,p->left);

}

if(mark==0) {

printf(\抱歉，没有可选的航班!\\n\return 0; }

p=p->next;

mark=1;

if((strcmp(t->start_place,p->start_place)==0)&&(strcmp(t->end_place,p->en

printf(\

{

d_place)== 0)&&(strcmp(t->flight_num,p->flight_num)!=0))

flightnode *t=h->next,*p=h->next; int mark=0;

printf(\航班号\起飞城while(t!=NULL && strcmp(t->flight_num,flight_num)!=0) t=t->next; while(p!=NULL){

市\抵达城市\起飞时间\抵达时间\价格\折扣\是否满仓\空座数\

,.

}

} return 1;

void insert_flight(flightnode *&h,char* flight_num,char* start_place,char* end_place,char* start_time,char* end_time,int left,float price,float price_discount,int isFull)

//在录入航班情况或增加新的航班后,将新的航班结点插入到航线链表中 { }

void insert_passengerList(flightnode *&h,passengerList *&PList,char *name,char *ID_num,char *flight_num,int ticket_num)

//客户订票后，将客户结点插入客户链表中，并修改相应的航班信息。 {

flightnode *p=h->next; for(;p!=NULL;p=p->next)

if(strcmp(p->flight_num,flight_num)==0) {

flightnode *q;//定义q为新增加的航班结点的指针的形参 flightnode *p=h;

q=(flightnode *)malloc(sizeof(flightnode));//为q结点申请空间 strcpy(q->flight_num,flight_num); strcpy(q->start_place,start_place); strcpy(q->end_place,end_place); strcpy(q->start_time,start_time); strcpy(q->end_time,end_time); q->left=left; q->price=price;

q->price_discount=price_discount; q->isFull=isFull;

//以上是用strcpy函数将新增加航班的各种信息复制到q结点中 q->next=p->next;//将q结点的指针域置为空 p->next=q;

p=p->next;//将指针后移

,.

}

}

p->left=p->left-ticket_num; if(p->left==0)

p->isFull=1;

passengernode *q=(passengernode *)malloc(sizeof(passengernode));//新建结strcpy(q->name,name); strcpy(q->ID_num,ID_num); strcpy(q->flight_num,flight_num); q->ticket_num=ticket_num; q->next=NULL; //将新订单连接到链表中 PList->rear->next=q;

q->order_num=PList->rear->order_num+1;//生成订单号 PList->rear=q;

点，存放新的客户订单信息

void delete_flight(flightnode *&h,passengerList *&PList) //目的要按照某个航班号删除航班结点 {

flightnode *p,*pr; passengernode *q,*qr; char flight_num[10]; int mark=1;

qr=PList->head;//pr为顾客链表的头结点

q=qr->next;//用p作为中间指针对顾客链表中要删除的顾客结点进行查找 pr=h;//pr为航线链表的头结点

p=pr->next;//用p作为指针对航线链表中要删除的航班结点进行查找 printf(\请输入你要删除的航班号:\scanf(\

while(p!=NULL)//要删除的航班存在,下面进行删除操作 {

if(strcmp(flight_num,p->flight_num)==0) {