c语言定订票系统

C语言——订票系统代码部分：#include <conio.h>#include <stdio.h>#include <stdlib.h>#include <string.h>#include <dos.h>#define HEADER1 " -------------------------------BOOK TICKET----------------------------------\n"#define HEADER2 " | number |start city|reach city|takeofftime|receivetime|price|ticketnumber|\n"#define HEADER3 " |----------|----------|----------|-----------|-----------|-----|------------|\n"#define FORMA T " |%-10s|%-10s|%-10s|%-10s |%-10s |%5d| %5d |\n"#define DA TA p->data.num,p->data.startcity,p->data.reachcity,p->data.takeofftime,p->data.receivetime,p->data.pr ice,p->data.ticketnumint saveflag=0 ;/*定义存储火车信息的结构体*/struct train{char num[10];/*列车号*/char startcity[10];/*出发城市*/char reachcity[10];/*目的城市*/char takeofftime[10];/*发车时间*/char receivetime[10];/*到达时间*/int price;/*票价*/int ticketnum ;/*票数*/};/*订票人的信息*/struct man{char num[10];/*ID*/char name[10];/*姓名*/int bookNum ;/*订的票数*/};– 1 –/*定义火车信息链表的结点结构*/typedef struct node{struct train data ;struct node * next ;}Node,*Link ;/*定义订票人链表的结点结构*/typedef struct Man{struct man data ;struct Man *next ;}book,*bookLink ;/* 初始界面*/void menu(){puts("\n\n");puts("\t\t|------------------------------------------------------|");puts("\t\t| Booking Tickets |");puts("\t\t|------------------------------------------------------|");puts("\t\t| 0:quit the system |");puts("\t\t| 1:Insert a train information |");puts("\t\t| 2:Search a train information |");puts("\t\t| 3:Book a train ticket |");puts("\t\t| 4:Modify the train information |");puts("\t\t| 5:Show the train information |");puts("\t\t| 6:save information to file |");puts("\t\t|------------------------------------------------------|");}/*添加一个火车信息*/void Traininfo(Link linkhead){struct node *p,*r,*s ;char num[10];r = linkhead ;s = linkhead->next ;while(r->next!=NULL)r=r->next ;while(1){printf("please input the number of the train(0-return)");– 2 –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 '%s'is existing!\n",num);return ;}s = s->next ;}p = (struct node*)malloc(sizeof(struct node));strcpy(p->data.num,num);/*输入车号*/printf("Input the city where the train will start:");scanf("%s",p->data.startcity);/*输入出发城市*/printf("Input the city where the train will reach:");scanf("%s",p->data.reachcity);/*输入到站城市*/printf("Input the time which the train take off:");scanf("%s",p->data.takeofftime);/*输入出发时间*/printf("Input the time which the train receive:");scanf("%s",&p->data.receivetime);/*输入到站时间*/printf("Input the price of ticket:");scanf("%d",&p->data.price);/*输入火车票价*/printf("Input the number of booked tickets:");scanf("%d",&p->data.ticketnum);/*输入预定票数*/p->next=NULL ;r->next=p ;/*插入到链表中*/r=p ;saveflag = 1 ;}}/*打印火车票信息*/void printheader() /*格式化输出表头*/{printf(HEADER1);printf(HEADER2);printf(HEADER3);}– 3 –void printdata(Node *q) /*格式化输出表中数据*/{Node* p;p=q;printf(FORMA T,DA TA);}/*查询火车信息*/void searchtrain(Link l){Node *s[10],*r;int sel,k,i=0 ;char str1[5],str2[10];if(!l->next){printf("There is not any record !");return ;}printf("Choose the way:\n1:according to the number of train;\n2:according to the city:\n");scanf("%d",&sel);/*输入选择的序号*/if(sel==1){printf("Input the the number of train:");scanf("%s",str1);r=l->next;while(r!=NULL)if(strcmp(r->data.num,str1)==0)/*检索是否有与输入的车号相匹配的*/{s[i]=r;i++;break;}elser=r->next;}else if(sel==2){printf("Input the city you want to go:");– 4 –scanf("%s",str2);r=l->next;while(r!=NULL)if(strcmp(r->data.reachcity,str2)==0)/*检索是否有与输入的城市相匹配的火车*/{s[i]=r;i++;r=r->next;}elser=r->next;}i f(i==0)printf("can not find!");else{printheader();for(k=0;k<i;k++)printdata(s[k]);}}/*订票子模块*/void Bookticket(Link l,bookLink k){Node *r[10],*p ;char ch[2],tnum[10],str[10],str1[10],str2[10];book *q,*h ;int i=0,t=0,flag=0,dnum;q=k ;while(q->next!=NULL)q=q->next ;printf("Input the city you want to go: ");scanf("%s",&str);/*输入要到达的城市*/p=l->next ;while(p!=NULL){if(strcmp(p->data.reachcity,str)==0){r[i]=p ;/*将满足条件的记录存到数组r中*/– 5 –i++;}p=p->next ;}printf("\n\nthe number of record have %d\n",i);printheader();for(t=0;t<i;t++)printdata(r[t]);if(i==0)printf("\nSorry!Can't find the train for you!\n");else{printf("\ndo you want to book it?<y/n>\n");scanf("%s",ch);if(strcmp(ch,"Y")==0||strcmp(ch,"y")==0)/*判断是否订票*/{h=(book*)malloc(sizeof(book));printf("Input your name: ");scanf("%s",&str1);strcpy(h->,str1);printf("Input your id: ");scanf("%s",&str2);strcpy(h->data.num,str2);printf("please input the number of the train:");scanf("%s",tnum);for(t=0;t<i;t++)if(strcmp(r[t]->data.num,tnum)==0){if(r[t]->data.ticketnum<1)/*判断剩余的供订票的票数是否为0*/{printf("sorry,no ticket!");sleep(2);return;}printf("remain %d tickets\n",r[t]->data.ticketnum);flag=1;break;}if(flag==0){– 6 –printf("input error");sleep(2);return;}printf("Input your bookNum: ");scanf("%d",&dnum);r[t]->data.ticketnum=r[t]->data.ticketnum-dnum;/*定票成功则可供订的票数相应减少*/h->data.bookNum=dnum ;h->next=NULL ;q->next=h ;q=h ;printf("\nLucky!you have booked a ticket!");getch();saveflag=1 ;}}}/*修改火车信息*/void Modify(Link l){Node *p ;char tnum[10],ch ;p=l->next;if(!p){printf("\nthere isn't record for you to modify!\n");return ;}else{printf("\nDo you want to modify it?(y/n)\n");getchar();scanf("%c",&ch);if(ch=='y'||ch=='Y'){printf("\nInput the number of the train:");scanf("%s",tnum);while(p!=NULL)if(strcmp(p->data.num,tnum)==0)/*查找与输入的车号相匹配的记录*/– 7 –break;elsep=p->next;if(p){printf("Input new number of train:");scanf("%s",&p->data.num);printf("Input new city the train will start:");scanf("%s",&p->data.startcity);printf("Input new city the train will reach:");scanf("%s",&p->data.reachcity);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.ticketnum);printf("\nmodifying record is sucessful!\n");saveflag=1 ;}elseprintf("\tcan't find the record!");}}}void showtrain(Link l)/*自定义函数显示列车信息*/{Node *p;p=l->next;printheader();if(l->next==NULL)printf("no records!");elsewhile(p!=NULL){printdata(p);p=p->next;}– 8 –}/*保存火车信息*/void SaveTrainInfo(Link l){FILE*fp ;Node*p ;int count=0,flag=1 ;fp=fopen("f:\\train.txt","wb");if(fp==NULL){printf("the file can't be opened!");return ;}p=l->next ;while(p){if(fwrite(p,sizeof(Node),1,fp)==1){p=p->next ;count++;}else{flag=0 ;break ;}}if(flag){printf(" saved %d train records\n",count);saveflag=0 ;}fclose(fp);}/*保存订票人的信息*/void SaveBookInfo(bookLink k){FILE*fp ;book *p ;int count=0,flag=1 ;– 9 –fp=fopen("f:\\man.txt","wb");if(fp==NULL){printf("the file can't be opened!");return ;}p=k->next ;while(p){if(fwrite(p,sizeof(book),1,fp)==1){p=p->next ;count++;}else{flag=0 ;break ;}}if(flag){printf(" saved %d booking records\n",count);saveflag=0 ;}fclose(fp);}main(){FILE*fp1,*fp2 ;Node *p,*r ;char ch1,ch2 ;Link l ;bookLink k ;book *t,*h ;int sel ;l=(Node*)malloc(sizeof(Node));l->next=NULL ;r=l ;– 10 –k=(book*)malloc(sizeof(book));k->next=NULL ;h=k ;fp1=fopen("f:\\train.txt","ab+");/*打开存储车票信息的文件*/if((fp1==NULL)){printf("can't open the file!");return 0 ;}while(!feof(fp1)){p=(Node*)malloc(sizeof(Node));if(fread(p,sizeof(Node),1,fp1)==1)/*从指定磁盘文件读取记录*/ {p->next=NULL ;r->next=p ;/*构造链表*/r=p ;}}fclose(fp1);fp2=fopen("f:\\man.txt","ab+");if((fp2==NULL)){printf("can't open the file!");return 0 ;}while(!feof(fp2)){t=(book*)malloc(sizeof(book));if(fread(t,sizeof(book),1,fp2)==1){t->next=NULL ;h->next=t ;h=t ;}}fclose(fp2);while(1){clrscr();menu();printf("\tplease choose (0~6): ");scanf("%d",&sel);clrscr();if(sel==0){if(saveflag==1)/*当退出时判断信息是否保存*/{getchar();printf("\nthe file have been changed!do you want to save it(y/n)?\n");scanf("%c",&ch1);if(ch1=='y'||ch1=='Y'){SaveBookInfo(k);SaveTrainInfo(l);}}printf("\nThank you!!Y ou are welcome too\n");break ;}switch(sel)/*根据输入的sel值不同选择相应操作*/{case 1 :Traininfo(l);break ;case 2 :searchtrain(l);break ;case 3 :Bookticket(l,k);break ;case 4 :Modify(l);break ;case 5:showtrain(l);break;case 6 :SaveTrainInfo(l);SaveBookInfo(k);break ;case 0:return 0;}printf("\nplease press any key to continue.......");getch();}}使用说明运行程序时，首先进入到菜单部分，菜单部分提供了菜单显示和输入功能部分。