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libray/图书管理系统.c

272 lines
7.6 KiB

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#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <conio.h> /*getch()函数使用的头文件*/
#include <windows.h> /*Sleep()函数使用的头文件*/
#include <string.h> /*strcmp()函数使用的头文件*/
#include<assert.h>
/*图书结构体:图书编号,图书名,图书作者,出版社,库存量*/
typedef struct Book
{
int iNum;
char acName[15];
char acAuthor[15];
char acPress[15];
int iAmount;
struct Book* next;
}Book;
/*读者:读者编号,读者姓名,性别,可借书数,读者已借书的编号*/
typedef struct Reader
{
int iNum;
char acName[15];
char acSex[4];
char position[20];
int iMax; //Student 20本 teacher 40本
int iAmount;
int aiBookId[100];
int balance;
int day;
struct Reader* next;
}Reader;
void ShowLibInfo(const Book* book, const Reader* reader);
void ShowLibBook(Book* book);
Book* AddBook(Book* book);
Book* DealoldBook(Book* book);
void foundBook(Book* book);
void foundReader_Info(Reader* reader);
void foundReaderInfo(Reader* reader);
Reader* LendBook(Reader* reader, Book* book);
void returnBook(Reader* reader, Book* book);
void save(Book* book);
Book* read1();
//C1
void ShowMainMenu()
{
system("cls");
printf("\n\n\n\n\n");
printf("\t|----------------------欢迎进入---------------------------\n");
printf("\t| 读者管理系统 \n");
printf("\t| 1、查询图书馆的总信息 \n");
printf("\t| 2、查询图书馆藏书信息 \n");
printf("\t| 3、存入新书 \n");
printf("\t| 4、旧书处理 \n");
printf("\t| 5、根据书名检索书刊信息 \n");
printf("\t| 6、查询读者的借阅信息 \n");
printf("\t| 7、查询读者信息 \n");
printf("\t| 8、读者借书 \n");
printf("\t| 9、读者还书 \n");
printf("\t| 10、文件保存 \n");
printf("\t| 11、从文件读取 \n");
printf("\t| 0、退出 \n");
printf("\t|---------------------------------------------------------\n");
printf("新打开程序需先添加管理员\n");
printf("\n");
printf("\t\t请选择0-11");
}
//C2
void ShowLibInfo(const Book* book1, const Reader* reader1)
{
Book* book = book1;
Reader* reader = reader1;
int bookNUm = 0, readerNUm = 0, mangerNUm = 0;
while (book != NULL)
{
bookNUm++;
book = book->next;
}
while (reader != NULL)
{
readerNUm++;
reader = reader->next;
}
printf("本图书馆共有藏书%d本,读者%d人\n", bookNUm, readerNUm);
printf("按任意键返回\n");
getchar();
return;
}
//C3
void ShowLibBook(Book* book1)
{
Book* book = book1;
while (book != NULL)
{ // \t :制表符
printf("%d\t%s\t%s\t%s\t%d\n", book->iNum, book->acName, book->acAuthor, book->acPress, book->iAmount);
book = book->next;
}
printf("\n按任意键返回\n");
getchar();
return;
}
//C4
Book* AddBook(Book* book1)
{
Book* book = book1;
if (book == NULL)
{
Book* tmp = (Book*)malloc(sizeof(Book));
tmp->next = NULL;
assert(tmp);
printf("输入书的编号:");
scanf("%d", &tmp->iNum);
getchar();
printf("输入书的名称:");
gets(&tmp->acName);
printf("输入书的作者:");
gets(tmp->acAuthor);
printf("输入书的出版社:");
gets(tmp->acPress);
printf("输入书的库存量:");
scanf("%d", &tmp->iAmount);
book = tmp;
printf("按任意键返回\n");
getchar();
return book;
return;
}
while (1)
{
while (book->next == NULL)
{
int flag = 1;
while (flag)
{
Book* tmp = (Book*)malloc(sizeof(Book));
tmp->next = NULL;
assert(tmp);
printf("输入书的编号:");
scanf("%d", &tmp->iNum);
getchar();
printf("输入书的名称:");
gets(&tmp->acName);
printf("输入书的作者:");
gets(tmp->acAuthor);
printf("输入书的出版社:");
gets(tmp->acPress);
printf("输入书的库存量:");
scanf("%d", &tmp->iAmount);
book->next = tmp;
printf("是否继续输入:1==>继续\t0==>结束\t");
scanf("%d", &flag);
getchar();
if (flag == 0)
{
printf("按任意键返回\n");
getchar();
return book1;
}
}
}
book = book->next;
}
printf("按任意键返回\n");
getchar();
return;
}
//C5
Book* DealoldBook(Book* book1)
{
Book* book = book1;
Book* prev = book1;
printf("输入要处理旧书的编号:");
int id;
scanf("%d", &id);
getchar();
while (book != NULL)
{
if (id == book->iNum)
{
if (book1 == book)
{
book = book->next;
free(prev);
return book;
}
prev->next = book->next;
free(book); // free():释放资源
printf("已将旧书处理掉!\n");
printf("按任意键返回\n");
getchar();
return book1;
}
prev = book;
book = book->next;
}
printf("没有找到该图书\n");
printf("按任意键返回\n");
getchar();
return book1;
}
//C6
//C7
//C8
//C9
//C10
void returnBook(Reader* reader1, Book* book1)
{
Reader* reader = reader1;
Book* book = book1;
printf("请输入读者的id:");
int id;
scanf("%d", &id);
getchar();
if (reader != NULL)
{
while (reader != NULL)
{
if (id == reader->iNum)
{
printf("请输入要还的书的编号:");
int id_book;
scanf("%d", &id_book);
getchar();
for (int i = 0; i < reader->iMax; i++)
{
if (reader->aiBookId[i] == id_book)
{
reader->aiBookId[i] = 0;
while (book)
{
if (id_book == book->iNum)
{
book->iAmount++;
printf("还书成功!\n");
printf("按任意键返回\n");
getchar();
return reader1;
}
book = book->next;
}
}
}
printf("没有找到该图书检查图书的Id\n");
printf("按任意键返回\n");
getchar();
return reader1;
}
reader = reader->next;
}
printf("没有找到该读者检查读者id是否输入有误\n");
printf("按任意键返回\n");
getchar();
return reader1;
}
}
//C11
//C12