航班查询系统

航班查询系统（代码+截图）程序源代码：# include <stdio.h># include<stdlib.h># include <ctype.h>#include <string.h># include<process.h># include <conio.h># define Null 0struct flight{charfltNum[15];charStartingPoint [20];char Terminal [20];charDepartureTime[8];charArrivalTime[8];charAircraftType[10];int price;struct flight * next;};void print(){printf("**************欢迎光临航班查询系统******************\n"); printf("|--------------------------------------------------|\n");printf("| 请输入选项编号（0-8）|\n");printf("|--------------------------------------------------|\n");printf("| 1--录入航班信息|\n");printf("| 2--添加新航班信息|\n");printf("| 3--删除航班信息|\n");printf("| 4--排序航班信息|\n");printf("| 5--浏览所有航班信息|\n");printf("| 6--查询航班信息|\n");printf("| 7--退出航班查询系统|\n");printf("|--------------------------------------------------|\n");}struct flight * init(int n){int i;struct flight *head,*p,*s;for(i=1;i<=n;i++){printf("航班号起点站终点站起飞时间到达时间机型价格\n");if(i==1){p=(struct flight*) malloc(sizeof(struct flight));scanf("%s",&p->fltNum);scanf("%s",&p->StartingPoint);scanf("%s",&p->Terminal);scanf("%s",&p->DepartureTime);scanf("%s",&p->ArrivalTime);scanf("%s",&p->AircraftType);scanf("%d",&p->price);head=p;getchar();}else{s=(struct flight*) malloc(sizeof(struct flight));scanf("%s",&s->fltNum);scanf("%s",&s->StartingPoint);scanf("%s",&s->Terminal);scanf("%s",&s->DepartureTime);scanf("%s",&s->ArrivalTime);scanf("%s",&s->AircraftType);scanf("%d",&s->price);p->next=s;p=s;getchar();}}s->next=Null;if(head!=NULL)printf("录入信息成功！\n");return head;}void insert(struct flight *head){struct flight *p,*pi;pi=(struct flight*) malloc(sizeof(struct flight));p=head;printf("航班号起点站终点站起飞时间到达时间机型价格\n");scanf("%s",&pi->fltNum);scanf("%s",&pi->StartingPoint);scanf("%s",&pi->Terminal);scanf("%s",&pi->DepartureTime);scanf("%s",&pi->ArrivalTime);scanf("%s",&pi->AircraftType);scanf("%d",&pi->price);if(head==Null){head=pi;pi->next=Null;}else{while(p->next!=Null){p=p->next;}if(p->next!=Null){pi->next=p->next;p->next=pi;}else{p->next=pi;pi->next=Null;}}}struct flight * delet(struct flight *head,charfltNum[15]) {struct flight *p,*q,*s;p=head;if(head==Null){printf("没有航班信息要删除。

\n");return head;}if(strcmp(p->fltNum,fltNum)==0&&p==head){head=p->next;printf("删除成功！\n");return head;}while(p!=Null){if(strcmp(p->next->fltNum,fltNum)==0){s=p;q=p->next;p->next=q->next;free(q);}p=p->next;}if(s==Null)printf("找不到相应的航班信息。

\n");elseprintf("删除成功！\n");return head;}struct flight *bubblesort(struct flight *head){struct flight *p,*q,*tail,*s;tail=NULL;while(head->next!=tail){p=head;q=p->next;while(q->next!=tail){if(strcmp(p->next->fltNum,q->next->fltNum)<0){s=q->next;p->next=q->next;q->next=q->next->next;p->next->next=q;q=s;}p=p->next;q=q->next;}tail=q;}return head;}struct flight *browse(struct flight *head){struct flight*p;p=head;printf("航班号起点站终点站起飞时间到达时间机型价格\n");while(p!=Null)printf("%-8s",p->fltNum);printf("%-10s",p->StartingPoint);printf("%-10s",p->Terminal);printf("%-12s",p->DepartureTime);printf("%-12s",p->ArrivalTime);printf("%-8s",p->AircraftType);printf("%-5d",p->price);p=p->next;printf("\n");}return head;}struct flight *fltNumSearch(struct flight *head,charfltNum[15]){struct flight *p,*q;p=head;while(p!=Null){if(strcmp(p->fltNum,fltNum)==0){q=p;printf("航班号起点站终点站起飞时间到达时间机型价格\n");printf("%-8s",p->fltNum);printf("%-10s",p->StartingPoint);printf("%-10s",p->Terminal);printf("%-12s",p->DepartureTime);printf("%-12s",p->ArrivalTime);printf("%-8s",p->AircraftType);printf("%-5d",p->price);printf("\n");}p=p->next;}if(q==NULL)printf("找不到航班信息！\n");return head;}struct flight *DepartureTimeSearch(struct flight *head,charDepartureTime[15]) {struct flight *p,*q;p=head;while(p!=Null)if(strcmp(p->DepartureTime,DepartureTime)==0){q=p;printf("航班号起点站终点站起飞时间到达时间机型价格\n");printf("%-8s",p->fltNum);printf("%-10s",p->StartingPoint);printf("%-10s",p->Terminal);printf("%-12s",p->DepartureTime);printf("%-12s",p->ArrivalTime);printf("%-8s",p->AircraftType);printf("%-5d",p->price);printf("\n");}p=p->next;}if(q==NULL)printf("找不到航班信息！\n");return head;}struct flight *ArrivalTimeSearc(struct flight *head,charArrivalTime[15]){struct flight *p,*q;p=head;while(p!=Null){if(strcmp(p->ArrivalTime,ArrivalTime)==0){q=p;printf("航班号起点站终点站起飞时间到达时间机型价格\n");printf("%-8s",p->fltNum);printf("%-10s",p->StartingPoint);printf("%-10s",p->Terminal);printf("%-12s",p->DepartureTime);printf("%-12s",p->ArrivalTime);printf("%-8s",p->AircraftType);printf("%-5d",p->price);printf("\n");}p=p->next;}if(q==NULL)printf("找不到航班信息！\n");return head;}struct flight *StartingPointSearch(struct flight *head,charStartingPoint[20]) {struct flight *p,*q;p=head;while(p!=Null){if(strcmp(p->StartingPoint,StartingPoint)==0){q=p;printf("航班号起点站终点站起飞时间到达时间机型价格\n");printf("%-8s",p->fltNum);printf("%-10s",p->StartingPoint);printf("%-10s",p->Terminal);printf("%-12s",p->DepartureTime);printf("%-12s",p->ArrivalTime);printf("%-8s",p->AircraftType);printf("%-5d",p->price);printf("\n");}p=p->next;}if(q==NULL)printf("找不到航班信息！");return head;}struct flight *TerminalSearch(struct flight *head,char Terminal[15]){struct flight *p,*q;p=head;while(p!=Null){if(strcmp(p->Terminal,Terminal)==0){printf("航班号起点站终点站起飞时间到达时间机型价格\n");printf("%-8s",p->fltNum);printf("%-10s",p->StartingPoint);printf("%-10s",p->Terminal);printf("%-12s",p->DepartureTime);printf("%-12s",p->ArrivalTime);printf("%-8s",p->AircraftType);printf("%-5d",p->price);printf("\n");}p=p->next;}if(q==NULL)printf("找不到航班信息！\n");return head;}void Clear(){system("pause");system("cls");}void menu(){printf("请选择:\n");printf("***1--按航班号查询***\n");printf("***2--按起飞时间查询***\n");printf("***3--按到达时间查询***\n");printf("***4--按起点站查询***\n");printf("***5--按终点站查询***\n");printf("***0--返回上一级***\n");}void main(){charch;int n=0;struct flight *head;print();while((ch=tolower(getchar()))!='7'){switch(ch){case '1':{printf("请问有多少个航班的资料需要输入？:\n");scanf("%d",&n);system("cls");print();head=init(n);break;}case '2':{printf("请输入航班信息：\n");insert(head);system("cls");print();printf("插入成功！");break;}case '3':{charfltNum[15];printf("请输入要删除航班的航班号:");scanf("%s",&fltNum);system("cls");print();head=delet(head,fltNum);break;}case '4':{printf("排序结果如下:\n");head=bubblesort(head);system("cls");print();head=browse(head);break;}case '5':{system("cls");print();head=browse(head);break;}case '6':{char info[20];int m;system("cls");menu();while(1){scanf("%d",&m);if (m==0){system("cls");print();break;}switch(m){case 1:{printf("请输入按航班号：");scanf("%s",&info);system("cls");menu();head=fltNumSearch(head,info);break;}case 2:{printf("请输入飞机起飞时间：");scanf("%s",&info);system("cls");menu();head=DepartureTimeSearch(head,info);break;}case 3:{printf("请输入飞机降落时间：");scanf("%s",&info);system("cls");menu();head=DepartureTimeSearch(head,info);break;}case 4:{printf("请输入起点站：");scanf("%s",&info);system("cls");menu();head=StartingPointSearch(head,info);break;}case 5:{printf("请输入终点站：");scanf("%s",&info);system("cls");menu();head=TerminalSearch(head,info);break;}}}default: break;}}}if((ch=tolower(getchar()))='7')printf("安全退出系统！");}运行结果截图：。