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火车订票系统源码#include <conio.h>#include <stdio.h>#include <stdlib.h>#include <string.h> intshoudsave=0 ;int count1=0,count2=0,mark=0,mark1=0 ;/*定义存储火车信息的结构体*/struct trainchar num10;/*列车号*/char city10;/*目的城市*/char takeofftime10;/*发车时间*/char receivetime10;/*到达时间*/int price;/*票价*/intbooknum ;/*票数*/;/*订票人的信息*/struct mancharnum10;/*id*/char name10;/*姓名*/intbooknum ;/*需求的票数*/;/*定义火车信息链表的结点结构*/typedefstruct nodestruct train data ;struct node * next ;node,*link ;/*定义订票人链表的结点结构*/typedefstruct peoplestruct man data ;struct people*next ;bookman,*bookmanlink ;/* 初始界面*/voidprintinterface()puts("*"); puts("* welcome to use the system of booking tickets *");puts("*"); puts("* you can choose the operation: *");puts("* 1:insert a train information *"); puts("* 2:inquire a train information *"); puts("* 3:book a train ticket *"); puts("* 4:update the train information *"); puts("* 5:advice to you about the train *"); puts("* 6:save information to file *"); puts("* 7:quit the system *"); puts("*"); /*添加一个火车信息*/voidinserttraininfo(link linkhead)struct node *p,*r,*s ;charnum10;r = linkhead ;s = linkhead->next ;while(r->next!=null)r=r->next ;while(1)printf("please input the number of the train(0-return)");scanf("%s",num);if(strcmp(num,"0")=0)break ;/*判断是否已经存在*/while(s)if(strcmp(s->data.num,num)=0)printf("the train %shas been born!n",num);return ;s = s->next ;p = (struct node*)malloc(sizeof(struct node);strcpy(p->data.num,num);printf("input the city where the train will reach:");scanf("%s",p->data.city);printf("input the time which the train take off:");scanf("%s",p->data.takeofftime);printf("input the time which the train receive:");scanf("%s",&p->data.receivetime);printf("input the price of ticket:");scanf("%d",&p->data.price);printf("input the number of booked tickets:");scanf("%d",&p->data.booknum);p->next=null ;r->next=p ;r=p ;shoudsave = 1 ;/*打印火车票信息*/voidprinttraininfo(struct node*p)puts("nthe following is the record you want:");printf(">>number of train: %sn",p->data.num);printf(">>city the train will reach: %sn",p->data.city);printf(">>the time the train take off: %snthe time the train reach: %sn",p->data.takeofftime,p->data.receivetime); printf(">>the price of the ticket: %dn",p->data.price);printf(">>the number of booked tickets: %dn",p->data.booknum); struct node * locate1(link l,charfindmess,char numorcity) node*r ;if(strcmp(numorcity,"num")=0)r=l->next ;while(r)if(strcmp(r->data.num,findmess)=0)return r ;r=r->next ;else if(strcmp(numorcity,"city")=0)r=l->next ;while(r)if(strcmp(r->data.city,findmess)=0)return r ;r=r->next ;return 0 ; /*查询火车信息*/voidquerytrain(link l) node *p ;intsel ;char str15,str210;if(!l->next)printf("there is not any record !");return ;printf("choose the way:n>>1:according to the number of train;n>>2:according to the city:n");scanf("%d",&sel);if(sel=1)printf("input the the number of train:");scanf("%s",str1);p=locate1(l,str1,"num");if(p)printtraininfo(p);elsemark1=1 ;printf("nthe file cant be found!");else if(sel=2)printf("input the city:");scanf("%s",str2);p=locate1(l,str2,"city");if(p)printtraininfo(p);elsemark1=1 ;printf("nthe file cant be found!"); /*订票子模块*/voidbookticket(link l,bookmanlink k)node*r10,*p ;charch,dem ;bookman*v,*h ;int i=0,t=0 ;charstr10,str110,str210;v=k ;while(v->next!=null)v=v->next ;printf("input the city you want to go: ");scanf("%s",&str);p=l->next ;while(p!=null)if(strcmp(p->data.city,str)=0)ri=p ;i+;p=p->next ;printf("nnthe number of record have %dn",i); for(t=0;t<i;t+)printtraininfo(rt);if(i=0)printf("ntttsorry!cant find the train for you!n"); elseprintf("ndo you want to book it?<1/0>n"); scanf("%d",&ch);if(ch = 1)h=(bookman*)malloc(sizeof(bookman); printf("input your name: ");scanf("%s",&str1);strcpy(h->,str1);printf("input your id: ");scanf("%s",&str2);strcpy(h->data.num,str2);printf("input your booknum: ");scanf("%d",&dem);h->data.booknum=dem ;h->next=null ;v->next=h ;v=h ;printf("nlucky!you have booked a ticket!"); getch();shoudsave=1 ;bookman*locate2(bookmanlinkk,charfindmess) bookman*r ;r=k->next ;while(r)if(strcmp(r->data.num,findmess)=0)mark=1 ;return r ;r=r->next ;return 0 ;/*修改火车信息*/voidupdateinfo(link l)node*p ;charfindmess20,ch ;if(!l->next)printf("nthere isnt record for you to modify!n"); return ;elsequerytrain(l);if(mark1=0)printf("ndo you want to modify it?n");getchar();scanf("%c",&ch);if(ch=y);printf("ninput the number of the train:");scanf("%s",findmess);p=locate1(l,findmess,"num");if(p)printf("input new number of train:");scanf("%s",&p->data.num);printf("input new city the train will reach:");scanf("%s",&p->data.city);printf("input new time the train take off");scanf("%s",&p->data.takeofftime);printf("input new time the train reach:");scanf("%s",&p->data.receivetime);printf("input new price of the ticket:");scanf("%d",&p->data.price);printf("input new number of people who have booked ticket:"); scanf("%d",&p->data.booknum);printf("nmodifying record is sucessful!n");shoudsave=1 ;elseprintf("tttcant find the record!");elsemark1=0 ;/*系统给用户的提示信息*/voidadvicedtrains(link l)node*r ;charstr10;int mar=0 ;r=l->next ;printf("iuput the city you want to go: ");scanf("%s",str);while(r)if(strcmp(r->data.city,str)=0&&r->data.booknum<200)mar=1 ;printf("nyou can select the following train!n");printf("nnplease select the fourth operation to book the ticket!n"); printtraininfo(r);r=r->next ;if(mar=0)printf("ntttyou cant book any ticket now!n"); /*保存火车信息*/voidsavetraininfo(link l)file*fp ;node*p ;int count=0,flag=1 ;fp=fopen("c:train.txt","wb");if(fp=null)printf("the file cant be opened!");return ;p=l->next ;while(p)if(fwrite(p,sizeof(node),1,fp)=1)p=p->next ;count+;elseflag=0 ;break ;if(flag)printf("the number of the record which have been saved is %dn",count); shoudsave=0 ;fclose(fp);/*保存订票人的信息*/voidsavebookmaninfo(bookmanlink k)file*fp ;bookman*p ;int count=0,flag=1 ;fp=fopen("c:man.txt","wb");if(fp=null)printf("the file cant be opened!");return ;p=k->next ;while(p)if(fwrite(p,sizeof(bookman),1,fp)=1)p=p->next ;count+;elseflag=0 ;break ;if(flag)printf("the number of the record which have been saved is %dn",count); shoudsave=0 ;fclose(fp); int main()file*fp1,*fp2 ;node*p,*r ;char ch1,ch2 ;link l ;bookmanlink k ;bookman*t,*h ;intsel ;l=(node*)malloc(sizeof(node);l->next=null ;r=l ;k=(bookman*)malloc(sizeof(bookman); k->next=null ;h=k ;fp1=fopen("c:train.txt","ab+");if(fp1=null)printf("cant open the file!");return 0 ;while(!feof(fp1)p=(node*)malloc(sizeof(node); if(fread(p,sizeof(node),1,fp1)=1)p->next=null ;r->next=p ;r=p ;count1+;fclose(fp1);fp2=fopen("c:man.txt","ab+");if(fp2=null)printf("cant open the file!");return 0 ; while(!feof(fp2)t=(bookman*)malloc(sizeof(bookman); if(fread(t,sizeof(bookman),1,fp2)=1)t->next=null ;h->next=t ;h=t ;count2+;fclose(fp2);while(1)system("cls");printinterface();printf("please choose the operation: ");scanf("%d",&sel);system("cls");if(sel=8)if(shoudsave=1