include#include#include#includeusing namespace std;const int N = 25;//定义20本图书struct Book {char name[25];char author[15];char price[7];char publisher[20];char isbn[20];};int ii = 19;Book book[N] = { { "红与黑","司汤达","26.00","长江文艺出版社","978-7-5354-5003-6" },{ "张伯苓画传","梁吉生","35.00","四川教育出版社","978-7-5408-5623-6" },{ "四世生花","沈煜伦","49.80","湖南文艺出版社","978-7-5404-7718-9" },{ "北大人的礼仪课","段建林","39.80","外文出版社","978-7-119-08439-8" },{ "悲惨世界","雨果","44.00","北方文艺出版社","978-7-5317-3049-1" },{ "好吗好的","大冰","39.00","湖南文艺出版社","978-7-5404-7689-2" },{ "千秋","落落","28.80","长江文艺出版社","978-7-5354-5060-9" },{ "陪安东尼度过漫长岁月","安东尼","28.80","长江文艺出版社","978-7-5354-6205-3" },{ "刘邦正传","周启元","52.80","中国文史出版社","978-7-5034-5145-4" },{ "小王子","圣埃克苏佩里","24.00","湖南少儿出版社","978-7-5562-0考试界-1" },{ "围城","钱钟书","19.00","人民文学出版社","978-7-02-009000-6" },{ "解忧杂货铺","东野圭吾","39.50","南海出版社","978-7-5442-7087-3" },{ "追风筝的人","胡赛尼","29.00","上海人民出版社","978-7-208-06164-4" },{ "摆渡人","麦克福尔","36.00","百花洲文艺出版社","978-7-550-01324-7" },{ "神话","朱大可","35.00","东方出版社","978-7-5060-5278-8" },{ "人民的名义","周梅森","46.90","北京十月文艺出版社","978-7-5302-1619-4" },{ "夜谭十记","马识途","29.80","京华出版社","978-7-5502-2550-3" },{ "悟空传","今何在","32.00","北京联合出版社","978-7-5502-7767-0" },{ "英雄传","宫部美雪","29.90","青岛出版社","978-7-5436-6784-6" },{ "白夜行","东野圭吾","39.50","南海出版社","978-7-5442-5860-9" } };void inquiremenu() {system("cls");int y = 0;printf("**");printf("1.书号查询");printf("2.书名查询");printf("3.作者查询");printf("4.出版社查询");printf("请选择(1~4): 回车确定");scanf("%d", &y);int i;switch (y) {case 1: {char x[20];system("cls");printf("请输入查找书号");scanf("%s", &x);bool fg = 0;for (i = 0; i < N; i++) {if (strcmp(book[i].isbn,x) == 0) {printf("已找到");fg = 1;printf("书名:%s,作者:%s,价格:%s,出版社:%s,书号:%s", book[i].name, book[i].author, book[i].price, book[i].publisher, book[i].isbn);}}//按书号查询if (!fg)printf("未找到/n");break;}case 2: {char j[25];system("cls");printf("请输入查找书名");scanf("%s", &j);bool fg = 0;for (i = 0; i < N; i++) {if (strcmp(j, book[i].name) == 0) {printf("已找到");fg = 1;printf("书名:%s,作者:%s,价格:%s,出版社:%s,书号:%s", book[i].name, book[i].author, book[i].price, book[i].publisher, book[i].isbn);}}//按书名查询if (!fg)printf("未找到/n");break;}case 3: {char k[15];system("cls");printf("请输入查找作者");scanf("%s", &k);bool fg = 0;for (i = 0; i < N; i++) {if (strcmp(k, book[i].author) == 0) {printf("已找到");fg = 1;printf("书名:%s,作者:%s,价格:%s,出版社:%s,书号:%s", book[i].name, book[i].author, book[i].price, book[i].publisher, book[i].isbn);}}//按作者查询if (!fg)printf("未找到/n");break;}case 4: {char z[20];system("cls");scanf("%s", &z);bool fg = 0;printf("请输入查找出版社");for (i = 0; i < N; i++) {if (strcmp(z, book[i].publisher) == 0) {printf("已找到");fg = 1;printf("书名:%s,作者:%s,价格:%s,出版社:%s,书号:%s", book[i].name, book[i].author, book[i].price, book[i].publisher, book[i].isbn);}}//按出版社查询if (!fg)printf("未找到/n");break;}}}//查询函数void addbook() {system("cls");printf("请输入书名");scanf("%s", &book[ii + 1].name);printf("请输入作者");scanf("%s", &book[ii + 1].author);printf("请输入价格");scanf("%s", &book[ii + 1].price);printf("请输入出版社");scanf("%s", &book[ii + 1].publisher);printf("请输入书号");scanf("%s", &book[ii + 1].isbn);++ii;}//添加图书void information() {int i;for (i = 0; i < ii; i++) {printf("");printf("书名:%s,作者:%s,价格:%s,出版社:%s,书号:%s", book[i].name, book[i].author, book[i].price, book[i].publisher, book[i].isbn);}}//显示所有图书信息int main() {int accept, input_error_flag;system("cls");printf("*图书查询系统");printf("***");printf("**1.图书查询*");printf("*2.添加图书");printf("**3.图书信息");printf("4.退     出");printf("***");printf("*请输入选择(1~4):**");input_error_flag = 0;do {if (input_error_flag == 1)printf("输入错误!!!  重新输入:");printf("输入:1~4）:");fflush(stdin);//输入缓冲区清空scanf("%d", &accept);input_error_flag = 1;} while (accept < 1 || accept >4);switch (accept){case 0:case 1:inquiremenu(); break;case 2:addbook(); break;case 3:information(); break;case 4:printf("退出"); break;default:system("cls");}return 0;}