#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<malloc.h>
#include<conio.h>
typedef struct flightnode //定義飛機航班鏈表
{
char flight_num[10];
char start_time[10];
char end_time[10];
char start_place[20];
char end_place[20];
float price;
float price_discount;
int left;
int isFull;
struct flightnode *next;
}flightnode;
typedef struct passengernode //定義乘客鏈表
{
char name[20];
char ID_num[20];
char flight_num[10];
int order_num;
int ticket_num;
struct passengernode *next;
}passengernode;
typedef struct passengerList //乘客鏈表的頭指針,尾指針
{
passengernode *head;
passengernode *rear;
}passengerList;
void init_flight(flightnode *&h) //初始化航班鏈表爲空表 定義並引用h爲頭結點
{
h = (flightnode *)malloc(sizeof(flightnode));
if(h==NULL) exit(0);
h->next = NULL;
}
void init_passengerList(passengerList *&pList) //定義乘客鏈表爲空鏈表
{
pList = (passengerList *)malloc(sizeof(passengerList));
pList->head = (passengernode *)malloc(sizeof(passengernode));
pList->rear = pList->head;
pList->rear->order_num = 0;
pList->head->next = NULL;
}
void save_passenger(passengerList *PList) //保存文件(以二進制形式保存 存到.dat文件中) passenger.dat
{
FILE* fp = fopen("passenger.dat","wb");
if(fp == NULL)
return;
passengernode *temp = PList->head->next; //temp指針指向鏈表的首節點
while(temp!=NULL)
{
fwrite(temp,sizeof(passengernode),1,fp);
temp = temp->next;
}
fclose(fp);
}
void load_passenger(passengerList *PList) //把文件中的乘客信息導入到乘客鏈表中
{
FILE* fp = fopen("passenger.dat","rb");
if(fp == NULL)
return;
passengernode *q;
int n; //是否成功寫入的標誌量
while(!feof(fp))
{
q = (passengernode *)malloc(sizeof(passengernode));
n = fread(q,sizeof(passengernode),1,fp);
if(n!=1)
break;
PList->rear->next=q; //頭插法
PList->rear=q;
}
PList->rear->next = NULL;
fclose(fp);
}
void save_flight(flightnode *h)
{
FILE* fp = fopen("flightList.dat","wb");
if(fp == NULL)
return;
flightnode *temp = h->next;
while(temp != NULL)
{
fwrite(temp,sizeof(flightnode),1,fp);
temp = temp->next;
}
fclose(fp);
}
void load_flight(flightnode *&h) //從文件中將信息導入到航班鏈表中
{
flightnode *pt = h;
FILE* fp = fopen("flightList.dat","rb");
if(fp == NULL)
return;
flightnode *q;
int n;
while(!feof(fp))
{
q = (flightnode *)malloc(sizeof(flightnode));
n = fread(q,sizeof(flightnode),1,fp);
if(n!=1)
break;
pt->next = q;
pt = q;
}
pt->next = NULL;
fclose(fp);
}
void insert_flight(flightnode *&h,char* flight_num,char* start_place,char* end_place,char *start_time,char* end_time,float price,float price_discount,int left,int isFull)
{
flightnode *q; //q指向新節點
flightnode *p = h; //p指向航班鏈表的頭節點
q = (flightnode *)malloc(sizeof(flightnode));
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->price = price;
q->price_discount = price_discount;
q->left = left;
q->isFull = isFull;
q->next = p->next; //頭插法
p->next = q;
p = p->next;
}
void insert_passengerList(flightnode *&h,passengerList *&PList,char *name,char *ID_num,char *flight_num,int ticket_num)
{
flightnode *p = h->next; //p指向乘客鏈表的首節點
for(; p!= NULL; p=p->next)
{
if(strcmp(p->flight_num,flight_num) == 0)
{
p->left = p->left - ticket_num; //更新實時的剩餘座位數
if(p->left == 0)
{
p->isFull = 1;
}
}
}
passengernode *q = (passengernode *)malloc(sizeof(passengernode)); //新建q節點,存放新的客戶信息
strcpy(q->name, name);
strcpy(q->ID_num, ID_num);
strcpy(q->flight_num, flight_num);
q->ticket_num = ticket_num;
q->next = NULL;
PList->rear->next = q; //尾插法
q->order_num = PList->rear->order_num+1;
PList->rear = q;
}
void add_flight(flightnode *&h)
{
flightnode *p = h;
char flight_num[10],start_time[10],end_time[10],start_place[20],end_place[20];
int left,isFull,mark = 1;
float price,price_discount;
for(;p->next!=NULL;p=p->next){} //p指針指向尾節點 尾插法
while(mark == 1)
{
printf("\t\t 請輸入您需要增加的航班號: ");
scanf("%s",flight_num);
printf("\t\t 請輸入出發地: ");
scanf("%s",start_place);
printf("\t\t 請輸入目的地: ");
scanf("%s",end_place);
printf("\t\t 請輸入出發時間: ");
scanf("%s",start_time);
printf("\t\t 請輸入結束時間: ");
scanf("%s",end_time);
printf("\t\t 請輸入航班價格: ");
scanf("%f",&price);
printf("\t\t 請輸入是否有折扣信息(例:7折 輸入0.7): ");
scanf("%f",&price_discount);
printf("\t\t 請輸入剩餘座位數: ");
scanf("%d",&left);
printf("\t\t 請輸入是否滿倉:(0表示沒有滿倉 1表示滿倉) ");
scanf("%d",&isFull);
insert_flight(p,flight_num,start_place,end_place,start_time,end_time,price,price_discount,left,isFull);
printf("\t\t 增加航班%s 成功！\n",flight_num);
printf("\t\t 是否繼續錄入航班信息(1 表示繼續錄入;0 表示停止錄入).\n");
printf("\t\t 請輸入: ");
scanf("%d",&mark);
}
}
int flight_num_check(flightnode *h,char *flight_num)
{
flightnode *p=h; //p指針指向航班鏈表的首節點
printf("%-8s%-12s%-12s%-10s%-10s%-8s%-8s%-8s%-10s\n","航班號","起飛城市","抵達城市","起飛時間","抵達時間","價格","折扣","空座數","是否滿倉"); //提示輸入信息格式
for(;p!=NULL;p = p->next)
{
if(strcmp(p->flight_num,flight_num) == 0)
{
printf("%-8s%-12s%-12s%-10s%-10s%-8.2f%-8.2f%-8d%-10d\n",p->flight_num, p->start_place, p->end_place, p->start_time,p->end_time, p->price, p->price_discount, p->left, p->isFull); //找到航班號 進行輸出
return 1;
}
}
printf("\t\t 抱歉，沒有航班爲%s 的航班信息!\n",flight_num);
return 0;
}
int place_check(flightnode *h,char *start_place,char *end_place) //按照起始地點 結束地點查詢
{
flightnode *p = h; //p指針 指向航班鏈表的首節點
int mark = 0;
printf("%-8s%-12s%-12s%-10s%-10s%-8s%-8s%-8s%-10s\n","航班號","起飛城市","抵達城市","起飛時間","抵達時間","價格","折扣","空座數","是否滿倉"); //提示輸入信息格式
for(;p!=NULL;p = p->next)
{
if(strcmp(p->start_place, start_place) == 0 && (strcmp(p->end_place, end_place) == 0))
{
printf("%-8s%-12s%-12s%-10s%-10s%-8.2f%-8.2f%-8d%-10d\n",p->flight_num, p->start_place, p->end_place, p->start_time,p->end_time, p->price, p->price_discount, p->left, p->isFull); //相等 輸出航班相關信息
mark = 1;
}
}
if(mark == 0)
{
printf("\t\t 抱歉,沒有從%s 到%s 的航班信息！\n",start_place,end_place);
return 0;
}
return 1;
}
void check_all_flight(flightnode *h) //瀏覽所有航班
{
flightnode *p = h;
int mark = 0;
printf("%-8s%-12s%-12s%-10s%-10s%-8s%-8s%-8s%-10s\n","航班號","起飛城市","抵達城市","起飛時間","抵達時間","價格","折扣","空座數","是否滿倉"); //提示輸入信息格式
for(;p!=NULL; p=p->next)
{
printf("%-8s%-12s%-12s%-10s%-10s%-8.2f%-8.2f%-8d%-10d\n",p->flight_num, p->start_place, p->end_place, p->start_time,p->end_time, p->price, p->price_discount, p->left, p->isFull); //輸出相關信息
mark = 1;
}
if(mark == 0)
printf("\t\t 航班信息爲空!\n");
}
void flight_check(flightnode *h)
{
flightnode *p=h->next; //p指針指向航班鏈表的首節點
char flight_num[10],start_place[20],end_place[20];
char a;
printf("\t\t 請選擇航班查詢方式：\n");
printf("\t\t 1表示按航班號進行查詢;\n");
printf("\t\t 2表示按起飛到達城市進行查詢;\n");
printf("\t\t 3表示瀏覽全部航班信息.\n\t\t 請選擇輸入：");
a = getch();
printf("%c\n",a);
if(a == '1')
{
printf("\t\t 請輸入航班號:");
scanf("%s",flight_num);
flight_num_check(p,flight_num);
}
else if(a == '2')
{
printf("\t\t 請輸入起飛城市:");
scanf("%s",start_place);
printf("\t\t 請輸入抵達城市:");
scanf("%s",end_place);
place_check(p,start_place,end_place);
}
else if(a == '3')
{
check_all_flight(p);
}
else
return;
}
int find_same_flight(flightnode *h,char *flight_num) //如果沒有你選擇的航班滿了的話 提示的可選擇的其他航班
{
flightnode *t = h->next,*p = h->next; //t指針指向航班鏈表的首節點 p指針指向乘客鏈表的首節點
int mark = 0;
printf("%-8s%-12s%-12s%-10s%-10s%-8s%-8s%-8s%-10s\n","航班號","起飛城市","抵達城市","起飛時間","抵達時間","價格","折扣","空座數","是否滿倉"); //提示輸入信息格式
while(t != NULL && strcmp(t->flight_num,flight_num)!=0) t=t->next; //遍歷到了最後一個節點 或者查找到第一個目標節點
while(p != NULL)
{
if((strcmp(t->start_place,p->start_place) == 0) && (strcmp(t->end_place,p->end_place) == 0) && (strcmp(t->flight_num,p->flight_num)!=0)) //出發點和目的地相同 並且和那個滿的航班號還不相同
{
printf("%-8s%-12s%-12s%-10s%-10s%-8.2f%-8.2f%-8d%-10d\n",p->flight_num, p->start_place, p->end_place, p->start_time,p->end_time, p->price, p->price_discount, p->left, p->isFull); //輸出所有可選航班
mark = 1;
}
p = p->next;
}
if(mark == 0) //沒有其他航班的時候該怎麼做
{
printf("\t\t 抱歉, 沒有可選航班!");
return 0;
}
return 1;
}
int book(flightnode *&h,passengerList *&PList)
{
char name[20];
char ID_num[20];
char flight_num[10];
char start_place[20];
char end_place[20];
int ticket_num;
int k; //沒票的時候 想不想買別的票的時候 標誌量
flightnode *p = h->next; //p指向航班鏈表的首節點
printf("\t\t 請輸入信息:\n");
printf("\t\t 請輸入起飛城市:");
scanf("%s",start_place);
printf("\t\t 請輸入抵達城市:");
scanf("%s",end_place);
if(place_check(h,start_place,end_place) == 1) //place_check同時會輸出所有符合用戶需求的航班
{
printf("\t\t 航班號:");
scanf("%s",flight_num);
while(p != NULL)
{
if(strcmp(p->flight_num,flight_num) == 0)
{
printf("\t\t 姓名:");
scanf("%s",name);
printf("\t\t 證件號碼:");
scanf("%s",ID_num);
printf("\t\t 訂票數量:");
scanf("%d",&ticket_num);
if(p->left > 0 && p->left >= ticket_num) //判斷是否剩餘充足的座位
{
insert_passengerList(h,PList,name,ID_num,flight_num,ticket_num);
printf("\t\t 你應付金額￥%6.2f.\n",p->price * p->price_discount * ticket_num);
getch();
printf("\t\t 恭喜您，訂票成功啦!\n");
return 1;
}
else
{
printf("\t\t ***很遺憾,該航班已滿:!***\n");
printf("\t\t ***如您想要選擇其他航班請輸入---1\n\t\t *** 不選則輸入---0***\n");
printf("\t\t 請輸入數字進行選擇:");
scanf("%d",&k);
if(k==1)
{
printf("\t\t 此航線上的其他航班有:\n");
if(find_same_flight(h,flight_num) == 1) //該航班已經沒有了座位 開始查找下一個節點 此時進行傳參flight_num
{
printf("\t\t 請輸入您選的航班:");
scanf("%s",flight_num);
insert_passengerList(h, PList, name, ID_num, flight_num, ticket_num); //選擇成功進行插入操作
printf("\t\t 恭喜你,訂票成功!\n");
return 1;
}
}
return 0;
}
}
else
p = p->next;
}
if(p==NULL) //遍歷到了乘客鏈表的尾節點
printf("\t\t 對不起，您輸入的航班不存在!\n");
}
return 0;
}
void delete_flight(flightnode *&h, passengerList *&PList)
{
flightnode *p,*pr; //p指向航班鏈表的首節點 pr指向航班鏈表的頭結點 定義的p即爲需要刪除的節點 下同
passengernode *q,*qr;
char flight_num[10];
int mark = 1;
qr = PList->head;
q = qr->next;
pr = h;
p = pr->next;
printf("\t\t 請輸入您要刪除的航班號:");
scanf("%s",flight_num);
while(p != NULL)
{
if(strcmp(flight_num, p->flight_num) == 0)
{
pr->next = p->next; //需要刪除的節點 的前一個節點直接指向 需要刪除節點的後一個節點
free(p);
printf("\t\t 刪除%s 航班成功!\n",flight_num);
mark = 0;
p = NULL;
}
if(pr->next != NULL)
{
pr = pr->next;
p = pr->next;
}
}
if(mark == 1)
printf("\t\t 無此航班,無法刪除!\n");
else //刪除顧客鏈表中的信息 刪除了航班信息同時還需要刪除
{
while(q != NULL)
{
if(strcmp(flight_num, q->flight_num) == 0)
{
qr->next = q->next; //要刪除的乘客節點的前一個節點 直接指向要刪除節點的後一個節點 進行刪除操作
free(q);
q = NULL;
}
if(qr->next != NULL)
{
qr = qr->next;
q = qr->next;
}
}
}
}
int delete_passenger(passengerList *&PList, flightnode *&h, char *name,char *ID_num) //退票 刪除顧客信息
{
passengernode *p, *pr = PList->head; //p指向乘客鏈表的首節點 pr相當於乘客鏈表的頭指針
p = pr->next;
while(p!=NULL)
{
if((strcmp(name, p->name)==0) && strcmp(ID_num,p->ID_num)==0)
{
for(flightnode *f=h->next; f!=NULL; f=f->next)
{
if(strcmp(p->flight_num,f->flight_num) == 0)
{
f->left = f->left + p->ticket_num;
f->isFull = 0;
break;
}
}
pr->next = p->next; //鏈表中刪除顧客節點
free(p);
printf("\t\t 乘客%s,%s 退票成功!\n",name,ID_num);
return 1;
}
pr = pr->next;
p = pr->next;
}
printf("\t\t 無此顧客,無法退票!\n");
return 0;
}
int check_passenger(passengerList *&PList, char *name, char *ID_num)
{
passengernode *p, *pr = PList->head; //p指針指向乘客鏈表的首節點 pr相當乘客鏈表的頭指針
p = pr->next;
while(p != NULL)
{
if((strcmp(name, p->name)==0) && strcmp(ID_num,p->ID_num)==0)
{
printf("\n\t\t %s您已成功購買過票,您購買的航班號爲:%s,您的訂單號爲:%d",p->name, p->flight_num, p->order_num);
return 0;
}
else
{
pr = pr->next;
p = pr->next;
}
}
printf("\n\t\t %s您沒有購票記錄,謝謝您的查詢", name);
return 0;
}
void cancel(passengerList *&PList,flightnode *&h)
{
char name[20],ID_num[20];
printf("\t\t 請輸入您的姓名:");
scanf("%s",name);
printf("\t\t 請輸入您的證件號:");
scanf("%s",ID_num);
delete_passenger(PList, h, name, ID_num);
}
void passenger_check(passengerList *&PList)
{
char name[20],ID_num[20];
printf("\t\t 請輸入您的名字:");
scanf("%s",name);
printf("\t\t 請輸入您的證件號:");
scanf("%s",ID_num);
check_passenger(PList, name, ID_num);
}
void modify_flight(flightnode *&h,passengerList *&PList)
{
flightnode *p=h->next; //p指針航班鏈表的首節點
char flight_num[10],start_time[10],end_time[10];
char a;
printf("\t\t********航班信息修改*******************\n");
printf("\t\t***************************************\n");
printf("\t\t* 增加航班------1 *\n");
printf("\t\t* 刪除航班------2 *\n");
printf("\t\t* 修改航班時間---3 *\n");
printf("\t\t****************************************");
printf("\t\t 請選擇:");
a = getch();
printf("%c\n",a);
if(a == '1')
add_flight(h);
else if(a == '2')
delete_flight(h,PList);
else if(a == '3')
{
printf("\t\t 請輸入要修改的航班的航班號:");
scanf("%s",flight_num);
if(flight_num_check(p, flight_num) == 1)
{
printf("\t\t 請輸入修改後的起飛時間:");
scanf("%s",start_time);
printf("\t\t 請輸入修改後的抵達時間:");
scanf("%s",end_time);
for(; p!=NULL; p=p->next)
{
if(strcmp(flight_num, p->flight_num) == 0)
{
strcpy(p->start_time, start_time);
strcpy(p->end_time, end_time);
printf("\t\t 航班%s 時間修改成功!\n",flight_num);
}
}
}
}
else
return;
}
int main()
{
int t = 1;
char choice;
flightnode *flight; //定義航班鏈表的結構體指針
passengerList *PList;
init_flight(flight);
init_passengerList(PList);
load_flight(flight);
load_passenger(PList);
while(t==1)
{
printf("\n");
printf("\t\t\t***************飛機訂票系統菜單***********************\n");
printf("\t\t\t******************************************************\n");
printf("\t\t\t* 錄入航班信息----------1 *\n");
printf("\t\t\t* 查詢航班信息----------2 *\n");
printf("\t\t\t* 訂購 機票----------3 *\n");
printf("\t\t\t* 退訂 機票----------4 *\n");
printf("\t\t\t* 查詢訂票信息----------5 *\n");
printf("\t\t\t* 修改航班信息----------6 *\n");
printf("\t\t\t* 退出 系統----------0 *\n");
printf("\t\t\t******************************************************\n");
printf("\t\t\t 請選擇服務:");
choice = getch();
printf("%c\n",choice);
system("cls");
if(choice == '1')
{
add_flight(flight);
getch();
system("cls");
}
else if(choice == '2')
{
flight_check(flight);
getch();
system("cls");
}
else if(choice == '3')
{
book(flight,PList);
getch();
system("cls");
}
else if(choice == '4')
{
cancel(PList,flight);
getch();
system("cls");
}
else if(choice == '5')
{
passenger_check(PList);
getch();
system("cls");
}
else if(choice == '6')
{
modify_flight(flight,PList);
getch();
system("cls");
}
else if(choice == '0')
{
printf("\t\t\t 歡迎您使用本系統 再見");
t = 0;
}
}
save_flight(flight);
save_passenger(PList);
return 0;
}
c語言-航班訂票系統
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