C-火车订票系统
VS2017
#include <stdio.h> #include <stdlib.h> #include <string.h> #include <windows.h> #pragma warning(disable:4996)
//定位坐标 void gotoxy(int x, int y) //goto语句 { COORD pos; pos.X = x - 1; pos.Y = y - 1; SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), pos); }
//车票信息 typedef struct Ticket { char T_num[10]; //车次 char T_origin[10]; //起点 char T_destination[10]; //终点 double T_fares; //票价 int T_tnum; //票数 struct Ticket *next; }ticket;
//乘客信息 typedef struct Passager { int P_id; //ID char P_name[10]; //姓名 char T_num[10]; //车次 char T_origin[10]; //起点 char T_destination[10]; //终点 int P_num; //订票数量 struct Passager *next;
}passager;
void T_destroy(ticket **T_p); //销毁链表 void T_destroyP(passager **T_p); //销毁链表passager void T_show(void); //主界面 void T_insert(void); //添加车票信息 void T_tshow(void); //显示车票信息 void T_bookt(void); //订车票 void T_showbookt(void); //查询订票信息 void T_mod(void); //修改车票信息
int main(void) { T_show(); system("pause"); return 0; }
//销毁链表 void T_destroy(ticket **T_p) { ticket *p = NULL; ticket *T_temp = NULL; p = *T_p; while (NULL != p->next) { T_temp = p->next; p->next = T_temp->next; free(T_temp); T_temp = NULL; } free(p); p = NULL; }
//销毁链表 void T_destroyP(passager **T_p) { passager *p = NULL; passager *T_temp = NULL; p = *T_p; while (NULL != p->next) { T_temp = p->next; p->next = T_temp->next; free(T_temp); T_temp = NULL; } free(p); p = NULL; }
//主界面 void T_show(void) { int i; int num; for (i = 0; i < 72; i++) { printf("+"); } printf("\n"); for (i = 0; i < 30; i++) { printf(" "); } printf("火车订票系统\n");
for (i = 0; i < 72; i++) { printf("+"); } printf("\n"); printf("\n"); printf("\t\t\t 1 > 输入车票信息\n"); printf("\t\t\t 2 > 查询订票信息\n"); printf("\t\t\t 3 > 订票\n"); printf("\t\t\t 4 > 修改车票信息\n"); printf("\t\t\t 5 > 显示车票信息\n"); printf("\t\t\t 0 > 退出\n"); printf("\n"); for (i = 0; i < 72; i++) { printf("+"); } printf("\n"); printf("请输入选项："); scanf("%d", &num); getchar(); //获取回车 switch (num) { case 1: T_insert(); break; case 2: T_showbookt(); break; case 3: T_bookt(); break; case 4: T_mod(); break; case 5: T_tshow(); break; case 0: exit(1); break; default: printf("请输入正确标签！\n"); break; } }
//添加车票信息 void T_insert(void) { ticket *T_p = NULL; //临时变量 FILE *pfile = NULL; T_p = (ticket *)malloc(sizeof(ticket)); pfile = fopen("Ticket.txt", "a"); if (!pfile) { printf("打开文件失败！"); getchar(); exit(1); } printf("请输入车次：\n"); scanf("%s", T_p->T_num); getchar(); printf("请输入起点：\n"); scanf("%s", T_p->T_origin); getchar(); printf("请输入终点：\n"); scanf("%s", T_p->T_destination); getchar(); printf("请输入票价：\n"); scanf("%12lf", &T_p->T_fares); getchar(); printf("请输入票数：\n"); scanf("%12d", &T_p->T_tnum); getchar(); fprintf_s(pfile, "%s%12s%12s%12.2lf%12d\n", T_p->T_num, T_p->T_origin, T_p->T_destination, T_p->T_fares, T_p->T_tnum); printf("添加车票成功！\n"); fclose(pfile); pfile = NULL; free(T_p); T_p = NULL; }
//显示车票信息 void T_tshow(void) { int i; ticket *T_head = NULL; ticket *T_end = NULL; ticket *T_p = NULL; FILE *pfile = NULL; int T_empty; T_end = (ticket *)malloc(sizeof(ticket)); T_end->next = NULL; T_head = (ticket *)malloc(sizeof(ticket)); T_head->next = T_end; pfile = fopen("Ticket.txt", "r"); if (!pfile) { printf("读取文件失败！"); getchar(); exit(1); } T_p = (ticket *)malloc(sizeof(ticket)); //判断文件是否为空 T_empty = fscanf(pfile, "%s%12s%12s%12lf%12d", &T_p->T_num, &T_p->T_origin, &T_p->T_destination, &T_p->T_fares, &T_p->T_tnum); if (EOF == T_empty) { printf("没有可查询的车票信息\n"); getchar(); exit(1); } while (EOF != T_empty) { T_p->next = T_end; T_end = T_p; T_head->next = T_end; T_p = (ticket *)malloc(sizeof(ticket)); T_empty = fscanf(pfile, "%s%12s%12s%12lf%12d", &T_p->T_num, &T_p->T_origin, &T_p->T_destination, &T_p->T_fares, &T_p->T_tnum); } free(T_p); T_p = NULL; T_p = T_head; printf("%s%12s%12s%12s%12s\n","车次","起点","终点","票价","票数"); while (T_p->next->next != NULL) { printf("%s%12s%12s%12.2lf%12d\n", T_p->next->T_num, T_p->next->T_origin, T_p->next->T_destination, T_p->next->T_fares, T_p->next->T_tnum); T_p = T_p->next; } T_destroy(&T_head); fclose(pfile); pfile = NULL; for (i = 0; i < 72; i++) { printf("+"); } printf("\n"); printf("按任意键返回！\n"); getchar(); system("cls"); main(); }
//订车票 void T_bookt(void) { int P_empty; //查空 int P_id = 0; //ID记录 ticket *T_p = NULL; passager *P_p = NULL; FILE *pfile = NULL; FILE *T_pfile = NULL; //临时文件用 if (NULL == (pfile=fopen("Passenger.txt", "r"))) { printf("读取文件失败！\n"); getchar(); exit(1); } P_p = (passager *)malloc(sizeof(passager)); P_empty = fscanf(pfile, "%d%12s%12s%12s%12s%12d", &P_p->P_id, &P_p->T_num, &P_p->T_origin, &P_p->T_destination, &P_p->P_name, &P_p->P_num); //查空 if (EOF == P_empty) { P_p->P_id = ++P_id; } else { while (EOF != P_empty) { P_empty = fscanf(pfile, "%d%12s%12s%12s%12s%12d", &P_p->P_id, &P_p->T_num, &P_p->T_origin, &P_p->T_destination, &P_p->P_name, &P_p->P_num); } P_p->P_id++; } fclose(pfile); pfile = NULL; //写入文件订票信息 if (NULL == (pfile = fopen("Passenger.txt", "a"))) { printf("订票失败！\n"); getchar(); exit(1); } printf("请输入订票信息：\n"); printf("请输入车次：\n"); scanf("%s", &P_p->T_num); getchar(); printf("请输入起点：\n"); scanf("%s", &P_p->T_origin); getchar(); printf("请输入终点：\n"); scanf("%s", &P_p->T_destination); getchar(); printf("请输入姓名：\n"); scanf("%s", &P_p->P_name); getchar(); printf("请输入票数：\n"); scanf("%12d", &P_p->P_num); getchar(); fprintf(pfile, "%d%12s%12s%12s%12s%12d\n", P_p->P_id, P_p->T_num, P_p->T_origin, P_p->T_destination, P_p->P_name, P_p->P_num); fclose(pfile); pfile = NULL; T_p = (ticket *)malloc(sizeof(ticket)); //读取车票信息，以做比对客户买的是什么票 if (NULL == (pfile = fopen("Ticket.txt", "r"))) { printf("读取文件失败！\n"); getchar(); exit(1); } //打开临时文件 if (NULL == (T_pfile = fopen("T-ticket.txt", "w"))) { printf("写入文件失败！\n"); getchar(); exit(1); } while (EOF != fscanf(pfile, "%s%12s%12s%12lf%12d", &T_p->T_num, &T_p->T_origin, &T_p->T_destination, &T_p->T_fares, &T_p->T_tnum)) { //判断找出乘客输入的车票 if ((strcmp(T_p->T_num, P_p->T_num) == 0 && strcmp(T_p->T_origin, P_p->T_origin) == 0 && strcmp(T_p->T_destination, P_p->T_destination) == 0)) { //将读取的车票信息写入临时文件，并且减掉乘客买的车票数 fprintf_s(T_pfile, "%s%12s%12s%12.2lf%12d\n", T_p->T_num, T_p->T_origin, T_p->T_destination, T_p->T_fares, (T_p->T_tnum) - (P_p->P_num)); printf("%s%12s%12s%12s%12s%12s\n", "ID","车次", "起点", "终点", "姓名", "票数"); printf("%d%12s%12s%12s%12s%12d\n", P_p->P_id, P_p->T_num, P_p->T_origin, P_p->T_destination, P_p->P_name, P_p->P_num); printf("订票成功！\n"); printf("总金额为：%.2lf元\n",T_p->T_fares*P_p->P_num); continue; getchar(); } fprintf_s(T_pfile, "%s%12s%12s%12.2lf%12d\n", T_p->T_num, T_p->T_origin, T_p->T_destination, T_p->T_fares, T_p->T_tnum); } free(P_p); P_p = NULL; free(T_p); T_p = NULL; fclose(pfile); pfile = NULL; fclose(T_pfile); T_pfile = NULL; remove("Ticket.txt"); rename("C:\\CODE\\火车订票系统\\火车订票系统\\火车订票系统\\T-ticket.txt", "C:\\CODE\\火车订票系统\\火车订票系统\\火车订票系统\\ticket.txt"); getchar(); getchar(); system("cls"); main(); }
//修改车票信息 void T_mod(void) { FILE *T_pfile = NULL; FILE *pfile = NULL; ticket *T_p = NULL; char T_modnum[10]; T_p = (ticket *)malloc(sizeof(ticket)); if (NULL == (pfile = fopen("Ticket.txt", "r"))) { printf("读取文件失败！\n"); getchar(); exit(1); } if (NULL == (T_pfile = fopen("T-ticket.txt", "w"))) { printf("写入文件失败！\n"); getchar(); exit(1); } printf("请输入需要修改的车次："); scanf("%s", &T_modnum); while (EOF != fscanf(pfile, "%s%12s%12s%12lf%12d", &T_p->T_num, &T_p->T_origin, &T_p->T_destination, &T_p->T_fares, &T_p->T_tnum)) { if (strcmp(T_modnum, T_p->T_num) == 0) { printf("%s%12s%12s%12s%12s\n", "车次", "起点", "终点", "票价", "票数"); printf("%s%12s%12s%12.2lf%12d\n", T_p->T_num, T_p->T_origin, T_p->T_destination, T_p->T_fares, T_p->T_tnum); printf("以下需要修改为：\n"); printf("请输入车次：\n"); scanf("%s", T_p->T_num); getchar(); printf("请输入起点：\n"); scanf("%s", T_p->T_origin); getchar(); printf("请输入终点：\n"); scanf("%s", T_p->T_destination); getchar(); printf("请输入票价：\n"); scanf("%12lf", &T_p->T_fares); getchar(); printf("请输入票数：\n"); scanf("%12d", &T_p->T_tnum); getchar(); printf("%s%12s%12s%12s%12s\n", "车次", "起点", "终点", "票价", "票数"); fprintf(T_pfile, "%s%12s%12s%12lf%12d\n", T_p->T_num, T_p->T_origin, T_p->T_destination, T_p->T_fares, T_p->T_tnum); printf("%s%12s%12s%12.2lf%12d\n", T_p->T_num, T_p->T_origin, T_p->T_destination, T_p->T_fares, T_p->T_tnum); printf("修改成功！\n"); printf("按任意键返回菜单！\n"); getch(); continue; } fprintf(T_pfile, "%s%12s%12s%12lf%12d\n", T_p->T_num, T_p->T_origin, T_p->T_destination, T_p->T_fares, T_p->T_tnum); } free(T_p); T_p = NULL; fclose(pfile); pfile = NULL; fclose(T_pfile); T_pfile = NULL; remove("Ticket.txt"); rename("C:\\CODE\\火车订票系统\\火车订票系统\\火车订票系统\\T-ticket.txt", "C:\\CODE\\火车订票系统\\火车订票系统\\火车订票系统\\Ticket.txt"); system("cls"); main(); }
//显示订票信息 void T_showbookt(void) { int i; passager *T_head = NULL; passager *T_end = NULL; passager *T_p = NULL; passager *H_p = NULL; FILE *pfile = NULL; int T_empty; T_end = (passager *)malloc(sizeof(passager)); T_end->next = NULL; T_head = (passager *)malloc(sizeof(passager)); T_head->next = T_end; H_p = T_head; pfile = fopen("Passenger.txt", "r"); if (!pfile) { printf("读取文件失败！"); getchar(); exit(1); } T_p = (passager *)malloc(sizeof(passager)); //判断文件是否为空 T_empty = fscanf(pfile, "%d%12s%12s%12s%12s%12d", &T_p->P_id, &T_p->T_num, &T_p->T_origin, &T_p->T_destination, &T_p->P_name, &T_p->P_num); if (EOF == T_empty) { printf("没有可查询的车票信息\n"); getchar(); exit(1); } while (EOF != T_empty) { H_p->next = T_p; T_p->next = T_end; H_p = H_p->next; T_p = (passager *)malloc(sizeof(passager)); T_empty = fscanf(pfile, "%d%12s%12s%12s%12s%12d", &T_p->P_id, &T_p->T_num, &T_p->T_origin, &T_p->T_destination, &T_p->P_name, &T_p->P_num); } free(T_p); T_p = NULL; T_p = T_head; printf("%s%12s%12s%12s%12s%12s\n", "ID", "车 次", "起 点", "终 点", "票 价", "票 数"); while (T_p->next->next != NULL) { printf("%2d%12s%12s%12s%12s%12d\n", T_p->next->P_id, T_p->next->T_num, T_p->next->T_origin, T_p->next->T_destination, T_p->next->P_name, T_p->next->P_num); T_p = T_p->next; } T_destroyP(&T_head); fclose(pfile); pfile = NULL; for (i = 0; i < 72; i++) { printf("+"); } printf("\n"); printf("按任意键返回！\n"); getchar(); system("cls"); main(); }
