数据结构实训——飞机订票系统

飞机订票系统（限1 人完成）

任务：通过此系统可以实现如下功能：
1）录入：可以录入航班情况（数据可以存储在一个数据文件中，数据结构、具体数据自定）
2）查询：可以查询某个航线的情况（如，输入航班号，查询起降时间，起飞抵达城市，航班票价，票价折扣，确定航班是否满仓）；可以输入起飞抵达城市，查询飞机航班情况；
3）订票：（订票情况可以存在一个数据文件中，结构自己设定）可以订票，如果该航班已经无票，可以提供相关可选择航班；
4）退票：可退票，退票后修改相关数据文件；客户资料有姓名，证件号，订票数量及航班情况，订单要有编号。
5）修改航班信息：当航班信息改变可以修改航班数据文件
要求：
根据以上功能说明，设计航班信息，订票信息的存储结构，设计程序完成功能。

#include <iostream>
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <string.h>
using namespace std;typedef struct FLIGHT   //航班信息
{char number[5];  //飞机编号char CityDeparture[10]; //起飞城市char CityArrival[10]; //抵达城市char TimeDeparture[10];  //起飞时间char TimeArrival[10]; //抵达时间int price;          //价格double discount; //折扣int vacancy;  //空位
} Flight;typedef struct INDENT  //订单信息
{char number[15]; //订单编号char name[10];  //姓名char CertificateNumber[30]; //证件号码Flight Flight; //航班信息
} Indent;int num_ind=1;
void InputFlight() //录入航班信息
{Flight a;FILE *fp;fp = fopen("flight.txt", "a"); //打开航班信息文件if(fp == NULL)printf("fail to open the file! \n");//提醒用户输入printf("格式：编号 起飞城市 抵达城市 起飞时间 抵达时间 价格 折扣 空位。\n");printf("如：025 北京 上海 09:45 11:30 487 3.5 80\n");printf("请输入你要录入的航班信息：\n");scanf("%s %s %s %s %s %d %lf %d",a.number,a.CityDeparture,a.CityArrival,a.TimeDeparture,a.TimeArrival,&a.price,&a.discount,&a.vacancy);fprintf(fp,"%3s%6s%6s%8s%8s%5d%5.1lf%4d\n",a.number,a.CityDeparture,a.CityArrival,a.TimeDeparture,a.TimeArrival,a.price,a.discount,a.vacancy);printf("\n航班信息：%s %s %s %s %s %4d %.1lf %2d  录入成功\n\n",a.number,a.CityDeparture,a.CityArrival,a.TimeDeparture,a.TimeArrival,a.price,a.discount,a.vacancy);fclose(fp);
}void query()//查询航班信息
{Flight a;FILE *fp;int n,ok=1;fp = fopen("flight.txt", "r");//打开航班信息文件if(fp == NULL)printf("fail to open the file! \n");printf("--------------------------------\n");//用户选择查找方式printf("1.输入航班编号查询航班信息\n");printf("2.输入起飞抵达城市查询航班信息\n");printf("--------------------------------\n");printf("\n请输入你选择的操作：");scanf("%d",&n);if(n==1){char number[5];printf("请输入你要查询的航班编号：");scanf("%s",number);while(EOF!=fscanf(fp,"%s %s %s %s %s %d %lf %d",a.number,a.CityDeparture,a.CityArrival,a.TimeDeparture,a.TimeArrival,&a.price,&a.discount,&a.vacancy)){if(!strcmp(a.number,number)){ok=0;break;}}if(ok){printf("\n没有查询到符合要求的航班。\n\n");}else{printf("\n查询成功！航班信息如下:\n");printf("编号 起飞城市 抵达城市 起飞时间 抵达时间  售价   折扣  余票\n");printf("%4s %6s %8s %9s %8s %6d %6.1lf %4d\n",a.number,a.CityDeparture,a.CityArrival,a.TimeDeparture,a.TimeArrival,a.price,a.discount,a.vacancy);}}else if(n==2){char city_de[20],city_ar[20];printf("请输入起飞城市：");scanf("%s",city_de);printf("请输入抵达城市：");scanf("%s",city_ar);while(EOF!=fscanf(fp,"%s %s %s %s %s %d %lf %d",a.number,a.CityDeparture,a.CityArrival,a.TimeDeparture,a.TimeArrival,&a.price,&a.discount,&a.vacancy)){if(!strcmp(a.CityArrival,city_ar)&&!strcasecmp(a.CityDeparture,city_de)){if(ok){ok=0;printf("\n查询成功！航班信息如下:\n");printf("编号 起飞城市 抵达城市 起飞时间 抵达时间  售价   折扣  余票\n");}printf("%4s %6s %8s %9s %8s %6d %6.1lf %4d\n",a.number,a.CityDeparture,a.CityArrival,a.TimeDeparture,a.TimeArrival,a.price,a.discount,a.vacancy);}}if(ok){printf("\n没有查询到符合要求的航班。\n\n");}else printf("\n");}fclose(fp);
}void BookTicket()  //订票
{time_t timep;struct tm *p;time (&timep);p=gmtime(&timep);char numb[20];Flight a,s[50];Indent indent;int ok=1,cnt=0;char city_de[20],city_ar[20],number[5];FILE *fp,*fpp;fp = fopen("flight.txt", "r"); //以追加的方式打开订票信息文件if(fp == NULL)printf("fail to open the file! \n");//用户输入起飞抵达城市printf("请输入起飞城市：");scanf("%s",city_de);printf("请输入抵达城市：");scanf("%s",city_ar);//查询航班信息while(EOF!=fscanf(fp,"%s %s %s %s %s %d %lf %d",a.number,a.CityDeparture,a.CityArrival,a.TimeDeparture,a.TimeArrival,&a.price,&a.discount,&a.vacancy)){if(!strcmp(a.CityArrival,city_ar)&&!strcasecmp(a.CityDeparture,city_de)){if(ok){ok=0;printf("\n查询成功！航班信息如下:\n");printf("编号 起飞城市 抵达城市 起飞时间 抵达时间  售价   折扣  余票\n");}s[cnt++]=a;printf("%4s %6s %8s %9s %8s %6d %6.1lf %4d\n",a.number,a.CityDeparture,a.CityArrival,a.TimeDeparture,a.TimeArrival,a.price,a.discount,a.vacancy);}}if(ok) //没有航班提醒用户并退出{printf("\n没有查询到符合要求的航班。\n\n");fclose(fp);return ;}//用户选择要购买的航班printf("请选择你要购买的航班编号：");scanf("%s",number);for(int i=0; i<cnt; i++){if(!strcmp(s[i].number,number)){if(s[i].vacancy==0){printf("\n该航班票以售空，请选择其他航班。\n\n");for(int j=0; j<cnt; j++){if(s[j].vacancy!=0){printf("编号：%s %s->%s  %s->%s 售价：%d人民币 折扣：%.1lf折 余票：%d\n",a.number,a.CityDeparture,a.CityArrival,a.TimeDeparture,a.TimeArrival,a.price,a.discount,a.vacancy);}}}else{printf("请输入你的身份信息，姓名 证件号码：");scanf("%s %s",indent.name,indent.CertificateNumber);Indent tt;memset(tt.name,0,sizeof(tt.name));fpp=fopen("indent.txt","r");num_ind=0;while(EOF!=fscanf(fpp,"%d %s %s %s %s %s %s %s",&num_ind,tt.Flight.number,tt.Flight.CityDeparture,tt.Flight.CityArrival,tt.Flight.TimeDeparture,tt.Flight.TimeArrival,tt.name,tt.CertificateNumber));fclose(fpp);int m,d;m=1+p->tm_mon;d=p->tm_mday;if(num_ind/10000==m*100+d){num_ind%=10000;num_ind++;}else num_ind=1;indent.number[0]=m/10+48;indent.number[1]=m%10+48;indent.number[2]=d/10+48;indent.number[3]=d%10+48;indent.number[4]=num_ind/1000+48;indent.number[5]=num_ind/100%10+48;indent.number[6]=num_ind/10%10+48;indent.number[7]=num_ind++%10+48;indent.number[8]=0;indent.Flight=s[i];fp = fopen("flight.txt", "r+");if(fp == NULL)printf("fail to open the file! \n");while(EOF!=fscanf(fp,"%s %s %s %s %s %d %lf %d",a.number,a.CityDeparture,a.CityArrival,a.TimeDeparture,a.TimeArrival,&a.price,&a.discount,&a.vacancy)){if(strcmp(s[i].number,a.number)==0){fseek(fp,-2,SEEK_CUR);fprintf(fp,"%02d",a.vacancy-1);fseek(fp,-2,SEEK_CUR);fprintf(fp,"%02d",a.vacancy-1);break;}}}break;}}fclose(fp);fp = fopen("indent.txt", "a"); //以追加的方式打开订票信息文件if(fp == NULL)printf("fail to open the file! \n");printf("-------------------------------------------\n\n");printf("订票成功！\n");printf("订单编号：%s\n航班：%s %s->%s  %s->%s\n姓名：%s 证件号码：%s\n",indent.number,indent.Flight.number,indent.Flight.CityDeparture,indent.Flight.CityArrival,indent.Flight.TimeDeparture,indent.Flight.TimeArrival,indent.name,indent.CertificateNumber);printf("\n-------------------------------------------\n");fprintf(fp,"%s %s %s %s %s %s %10s %20s\n",indent.number,indent.Flight.number,indent.Flight.CityDeparture,indent.Flight.CityArrival,indent.Flight.TimeDeparture,indent.Flight.TimeArrival,indent.name,indent.CertificateNumber);fclose(fp);
}
void RefundTicket()  //退票
{FILE *fp,*f;int ok=1;fp = fopen("indent.txt", "r");f=fopen("a.txt","w");if(fp == NULL||f==NULL)printf("fail to open the file! \n");char num[20];Indent a;Flight b;printf("请输入你要退的机票编号：");scanf("%s",num);//标记while(EOF!=fscanf(fp,"%s %s %s %s %s %s %s %s",a.number,a.Flight.number,a.Flight.CityDeparture,a.Flight.CityArrival,a.Flight.TimeDeparture,a.Flight.TimeArrival,a.name,a.CertificateNumber)){if(strcmp(num,a.number)==0){ok=0;continue;}else fprintf(f,"%s %s %s %s %s %s %10s %20s\n",a.number,a.Flight.number,a.Flight.CityDeparture,a.Flight.CityArrival,a.Flight.TimeDeparture,a.Flight.TimeArrival,a.name,a.CertificateNumber);}if(ok){printf("未查询到此订单！\n");fclose(fp);fclose(f);return ;}elseprintf("\n退票成功！\n\n");fclose(fp);fclose(f);remove("indent.txt");remove("indent.txt");rename("a.txt","indent.txt");rename("a.txt","indent.txt");fp = fopen("flight.txt", "r+");if(fp == NULL)printf("fail to open the file! \n");while(EOF!=fscanf(fp,"%s %s %s %s %s %d %lf %d",b.number,b.CityDeparture,b.CityArrival,b.TimeDeparture,b.TimeArrival,&b.price,&b.discount,&b.vacancy)){if(strcmp(a.Flight.number,b.number)==0){fseek(fp,-2,SEEK_CUR);fprintf(fp,"%02d",b.vacancy+1);fseek(fp,-2,SEEK_CUR);fprintf(fp,"%02d",b.vacancy+1);break;}}fclose(fp);
}void ModifyFlight() //修改航班信息
{FILE *fp,*f;int n;fp=fopen("flight.txt","r");f=fopen("a.txt","w");if(fp == NULL||f==NULL)printf("fail to open the file! \n");char num[10];Flight a;printf("请选择你要进行的操作，删除（1）/修改（2）:");scanf("%d",&n);printf("请输入你要修改的航班编号：");scanf("%s",num);if(n==2){while(EOF!=fscanf(fp,"%s %s %s %s %s %d %lf %d",a.number,a.CityDeparture,a.CityArrival,a.TimeDeparture,a.TimeArrival,&a.price,&a.discount,&a.vacancy)){if(strcmp(a.number,num)==0){printf("\n当前航班信息为：\n编号：%s %s->%s  %s->%s 售价：%d人民币 折扣：%.1lf折 余票：%d\n\n",a.number,a.CityDeparture,a.CityArrival,a.TimeDeparture,a.TimeArrival,a.price,a.discount,a.vacancy);printf("格式：编号 起飞城市 抵达城市 起飞时间 抵达时间 价格 折扣 空位。\n");printf("如：025 北京 上海 09:45 11:30 487 3.5 80\n");printf("请输入更改后的航班信息：");scanf("%s %s %s %s %s %d %lf %d",a.number,a.CityDeparture,a.CityArrival,a.TimeDeparture,a.TimeArrival,&a.price,&a.discount,&a.vacancy);fseek(fp,-45,SEEK_CUR);fprintf(fp,"%3s%6s%6s%8s%8s%5d%5.1lf%4d\n",a.number,a.CityDeparture,a.CityArrival,a.TimeDeparture,a.TimeArrival,a.price,a.discount,a.vacancy);// fseek(fp,-45,SEEK_CUR);//fprintf(fp,"%3s%6s%6s%8s%8s%5d%5.1lf%4d\n",a.number,a.CityDeparture,a.CityArrival,a.TimeDeparture,a.TimeArrival,a.price,a.discount,a.vacancy);printf("\n修改成功!\n");printf("航班信息已修改为：编号：%s %s->%s  %s->%s 售价：%d人民币 折扣：%.1lf折 余票：%d\n\n",a.number,a.CityDeparture,a.CityArrival,a.TimeDeparture,a.TimeArrival,a.price,a.discount,a.vacancy);break;}}}else if(n==1){int ok;while(EOF!=fscanf(fp,"%s %s %s %s %s %d %lf %d",a.number,a.CityDeparture,a.CityArrival,a.TimeDeparture,a.TimeArrival,&a.price,&a.discount,&a.vacancy)){if(strcmp(a.number,num)==0){ok=0;continue;}fprintf(f,"%3s%6s%6s%8s%8s%5d%5.1lf%4d\n",a.number,a.CityDeparture,a.CityArrival,a.TimeDeparture,a.TimeArrival,a.price,a.discount,a.vacancy);}if(ok){printf("\n没有找到此航班！\n\n");}elseprintf("\n删除成功！\n\n");fclose(fp);fclose(f);remove("flight.txt");rename("a.txt","flight.txt");return ;}fclose(fp);fclose(f);
}
void query_d() //查询订单信息
{char name[20],zj[20];FILE *fp;int ok=1;Indent a;fp = fopen("indent.txt", "r");if(fp == NULL)printf("fail to open the file! \n");printf("请输入你的姓名：");scanf("%s",name);printf("请输入你的证件号：");scanf("%s",zj);while(EOF!=fscanf(fp,"%s %s %s %s %s %s %s %s",a.number,a.Flight.number,a.Flight.CityDeparture,a.Flight.CityArrival,a.Flight.TimeDeparture,a.Flight.TimeArrival,a.name,a.CertificateNumber)){if(!strcmp(name,a.name)&&!strcmp(zj,a.CertificateNumber)){if(ok){printf("\n查询成功！\n");ok=0;printf("订单编号 飞机编号 起飞城市 抵达城市 起飞时间 抵达时间 姓名   证件号\n");}printf("%s %6s %7s %8s %8s %9s %5s %9s\n",a.number,a.Flight.number,a.Flight.CityDeparture,a.Flight.CityArrival,a.Flight.TimeDeparture,a.Flight.TimeArrival,a.name,a.CertificateNumber);}}if(ok){printf("\n查询无果！\n\n");}
}
int main()
{int n;while(1){printf("|----------------欢迎使用双A飞机订票系统------------|\n");printf("|         /\\         1.录入航班信息        /\\       |\n");printf("|        /  \\        2.查询航班信息       /  \\      |\n");printf("|       /    \\       3.订票              /    \\     |\n");printf("|      /______\\      4.查询订单         /______\\    |\n");printf("|     /        \\     5.退票            /        \\   |\n");printf("|    /          \\    6.修改航班信息   /          \\  |\n");printf("|   /            \\   7.退出          /            \\ |\n");printf("|---------------------------------------------------|\n");printf("\n请输入你选择的操作：");scanf("%d",&n);switch(n){case 1:InputFlight();break;case 2:query();break;case 3:BookTicket();break;case 4:query_d();break;case 5:RefundTicket();break;case 6:ModifyFlight();break;case 7:return 0;}}return 0;
}

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