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#define _CRT_SECURE_NO_WARNINGS
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#include <stdio.h>
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#include <conio.h> /*getch()函数使用的头文件*/
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#include <windows.h> /*Sleep()函数使用的头文件*/
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#include <string.h> /*strcmp()函数使用的头文件*/
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#include<assert.h>
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/*图书结构体：图书编号，图书名，图书作者，出版社，库存量*/
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typedef struct Book
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{
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int iNum;
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char acName[15];
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char acAuthor[15];
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char acPress[15];
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int iAmount;
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struct Book* next;
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}Book;
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/*读者：读者编号，读者姓名，性别，可借书数,读者已借书的编号*/
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typedef struct Reader
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{
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int iNum;
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char acName[15];
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char acSex[4];
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char position[20];
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int iMax; //Student 20本 teacher 40本
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int iAmount;
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int aiBookId[100];
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int balance;
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int day;
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struct Reader* next;
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}Reader;
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void ShowLibInfo(const Book* book, const Reader* reader);
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void ShowLibBook(Book* book);
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Book* AddBook(Book* book);
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Book* DealoldBook(Book* book);
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void foundBook(Book* book);
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void foundReader_Info(Reader* reader);
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void foundReaderInfo(Reader* reader);
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Reader* LendBook(Reader* reader, Book* book);
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void returnBook(Reader* reader, Book* book);
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void save(Book* book);
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Book* read1();
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void ShowMainMenu()
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{
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system("cls");
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printf("\n\n\n\n\n");
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printf("\t|----------------------欢迎进入---------------------------\n");
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printf("\t| 读者管理系统 \n");
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printf("\t| 1、查询图书馆的总信息 \n");
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printf("\t| 2、查询图书馆藏书信息 \n");
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printf("\t| 3、存入新书 \n");
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printf("\t| 4、旧书处理 \n");
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printf("\t| 5、根据书名检索书刊信息 \n");
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printf("\t| 6、查询读者的借阅信息 \n");
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printf("\t| 7、查询读者信息 \n");
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printf("\t| 8、读者借书 \n");
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printf("\t| 9、读者还书 \n");
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printf("\t| 10、文件保存 \n");
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printf("\t| 11、从文件读取 \n");
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printf("\t| 0、退出 \n");
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printf("\t|---------------------------------------------------------\n");
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printf("新打开程序需先添加管理员\n");
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printf("\n");
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printf("\t\t请选择（0-11）：");
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}
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int main()
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{
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Book* book = NULL;
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Reader* reader = NULL;
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int iItem;
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ShowMainMenu();/*调用ShowMainMenu函数绘制界面*/
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scanf("%d", &iItem);/*提示用户输入数字*/
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getchar();
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while (1)
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{
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switch (iItem)
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{
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case 0:return 0;
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break;
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case 1:ShowLibInfo(book, reader);
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break;
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case 2:ShowLibBook(book);
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break;
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case 3:book = AddBook(book);
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break;
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case 4:book = DealoldBook(book);
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break;
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case 5:foundBook(book);
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break;
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case 6:foundReader_Info(reader);
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break;
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case 7:foundReaderInfo(reader);
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break;
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case 8:reader = LendBook(reader, book);
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break;
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case 9:returnBook(reader, book);
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break;
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case 10:save(book);
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break;
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case 11:book = read1();
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break;
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default:
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printf("\t输入有误，请重新输入!\n");
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Sleep(2000);
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}
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ShowMainMenu();/*调用ShowMainMenu函数绘制界面*/
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scanf("%d", &iItem);/*提示用户输入数字*/
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getchar();
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}
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return 0;
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}
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void ShowLibInfo(const Book* book1, const Reader* reader1)
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{
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Book* book = book1;
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Reader* reader = reader1;
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int bookNUm = 0, readerNUm = 0, mangerNUm = 0;
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while (book != NULL)
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{
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bookNUm++;
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book = book->next;
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}
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while (reader != NULL)
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{
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readerNUm++;
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reader = reader->next;
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}
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printf("本图书馆共有藏书%d本,读者%d人\n", bookNUm, readerNUm);
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printf("按任意键返回\n");
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getchar();
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return;
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}
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void ShowLibBook(Book* book1)
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{
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Book* book = book1;
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while (book != NULL)
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{ // \t :制表符
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printf("%d\t%s\t%s\t%s\t%d\n", book->iNum, book->acName, book->acAuthor, book->acPress, book->iAmount);
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book = book->next;
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}
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printf("\n按任意键返回\n");
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getchar();
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return;
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}
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Book* AddBook(Book* book1)
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{
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Book* book = book1;
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if (book == NULL)
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{
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Book* tmp = (Book*)malloc(sizeof(Book));
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tmp->next = NULL;
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assert(tmp);
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printf("输入书的编号:");
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scanf("%d", &tmp->iNum);
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getchar();
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printf("输入书的名称:");
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gets(&tmp->acName);
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printf("输入书的作者:");
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gets(tmp->acAuthor);
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printf("输入书的出版社:");
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gets(tmp->acPress);
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printf("输入书的库存量:");
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scanf("%d", &tmp->iAmount);
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book = tmp;
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printf("按任意键返回\n");
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getchar();
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return book;
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return;
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}
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while (1)
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{
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while (book->next == NULL)
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{
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int flag = 1;
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while (flag)
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{
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Book* tmp = (Book*)malloc(sizeof(Book));
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tmp->next = NULL;
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assert(tmp);
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printf("输入书的编号:");
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scanf("%d", &tmp->iNum);
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getchar();
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printf("输入书的名称:");
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gets(&tmp->acName);
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printf("输入书的作者:");
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gets(tmp->acAuthor);
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printf("输入书的出版社:");
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gets(tmp->acPress);
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printf("输入书的库存量:");
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scanf("%d", &tmp->iAmount);
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book->next = tmp;
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printf("是否继续输入:1==>继续\t0==>结束\t");
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scanf("%d", &flag);
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getchar();
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if (flag == 0)
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{
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printf("按任意键返回\n");
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getchar();
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return book1;
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}
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}
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}
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book = book->next;
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}
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printf("按任意键返回\n");
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getchar();
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return;
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}
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Book* DealoldBook(Book* book1)
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{
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Book* book = book1;
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Book* prev = book1;
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printf("输入要处理旧书的编号:");
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int id;
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scanf("%d", &id);
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getchar();
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while (book != NULL)
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{
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if (id == book->iNum)
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{
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if (book1 == book)
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{
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book = book->next;
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free(prev);
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return book;
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}
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prev->next = book->next;
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free(book); // free():释放资源
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printf("已将旧书处理掉!\n");
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printf("按任意键返回\n");
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getchar();
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return book1;
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}
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prev = book;
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book = book->next;
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}
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printf("没有找到该图书\n");
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printf("按任意键返回\n");
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getchar();
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return book1;
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}
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void foundBook(Book* book1)
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{
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Book* book = book1;
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printf("输入要查找的书的id:");
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int id;
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scanf("%d", &id);
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getchar();
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while (book != NULL)
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{
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if (id == book->iNum)
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{
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printf("该书的信息如下:\n");
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printf("%d\t%s\t%s\t%s\t%d\n", book->iNum, book->acName, book->acAuthor, book->acPress, book->iAmount);
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printf("按任意键返回\n");
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getchar();
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return;
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}
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book = book->next;
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}
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printf("没有找到该书!\n");
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printf("按任意键返回\n");
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getchar();
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return;
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}
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void foundReader_Info(Reader* reader1)
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{
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Reader* reader = reader1; //备份
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printf("输入读者的id:");
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int id;
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scanf("%d", &id);
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getchar();
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while (reader)
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{
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if (id == reader->iNum)
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{
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printf("借阅的书的编号如下:\n");
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for (int i = 0; i < reader->iMax; i++) //根据读者可以借阅的数量作为循环终止条件
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{
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if (reader->aiBookId[i] != 0) //数组里不为0，证明有一条记录，因为：数组初始化为0，并且书的编号不可能为0
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{
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printf("%d\n", reader->aiBookId[i]);
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}
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}
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printf("按任意键返回\n");
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getchar();
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return;
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}
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reader = reader->next;
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}
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printf("没有该读者!\n");
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printf("按任意键返回\n");
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getchar();
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return;
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}
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void foundReaderInfo(Reader* reader1)
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{
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Reader* reader = reader1;
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printf("输入读者的id:");
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int id;
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scanf("%d", &id);
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getchar();
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while (reader)
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{
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if (id == reader->iNum)
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{
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printf("读者id:%d\n", reader->iNum);
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printf("读者姓名:%s\n", reader->acName);
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printf("读者性别:%s\n", reader->acSex);
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printf("读者职位:%s\n", reader->position);
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printf("读者已借阅书的数量:%d\n", reader->iAmount);
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printf("按任意键返回\n");
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getchar();
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return;
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}
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reader = reader->next;
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}
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printf("没有找到该读者\n");
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printf("按任意键返回\n");
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getchar();
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return;
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}
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Reader* LendBook(Reader* reader1, Book* book1)
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{
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Reader* reader = reader1;
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Book* book = book1;
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Reader* prev = reader1;
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Reader* tmpp = reader1;
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printf("输入读者id:");
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int id;
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scanf("%d", &id);
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getchar();
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if (reader == NULL)
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{
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Reader* tmp = (Reader*)malloc(sizeof(Reader));
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tmp->next = NULL;
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tmp->iAmount = 0;
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tmp->iNum = id;
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printf("输入读者名字:");
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scanf("%s", &tmp->acName);
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getchar();
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printf("输入读者性别:");
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scanf("%s", &tmp->acSex);
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getchar();
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printf("输入读者职位:<student\tor\tteacher>");
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scanf("%s", &tmp->position);
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getchar();
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if (strcmp(tmp->position, "student") == 0)
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{
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tmp->iMax = 20;
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tmp->day = 30;
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}
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else {
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tmp->iMax = 40;
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tmp->day = 60;
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}
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for (int i = 0; i < tmp->iMax; i++)
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{
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tmp->aiBookId[i] = 0;
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}
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printf("输入要借的书的编号:");
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int id_book;
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scanf("%d", &id_book);
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getchar();
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while (book != NULL)
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{
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if (id_book == book->iNum)
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{
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if (book->iAmount <= 1)
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{
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printf("借阅失败，该图书库存不足.\n");
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printf("按任意键返回\n");
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getchar();
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return NULL;
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}
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if ((tmp->iAmount) + 1 > tmp->iMax)
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{
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printf("借阅失败,该读者借阅图书数量已达上线.\n");
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printf("按任意键返回\n");
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getchar();
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return NULL;
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}
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book->iAmount--;
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tmp->aiBookId[tmp->iAmount] = id_book;
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tmp->iAmount;
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reader = tmp;
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printf("借阅成功!\n");
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printf("按任意键返回\n");
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getchar();
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return reader;
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}
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book = book->next;
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}
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printf("没有找到该书!\n");
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printf("按任意键返回\n");
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getchar();
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return reader1;
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}
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if (reader != NULL)
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{
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while (reader != NULL)
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{
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if (id == reader->iNum)
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{
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printf("图使馆当前的书籍册:\n");
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ShowLibBook(book);
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printf("输入要借的书的编号:");
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int id_book;
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scanf("%d", &id_book);
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getchar();
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while (book != NULL)
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{
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if (id_book == book->iNum)
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{
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if (book->iAmount <= 1)
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{
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printf("借阅失败，该图书库存不足.\n");
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printf("按任意键返回\n");
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getchar();
|
|
|
return reader1;
|
|
|
}
|
|
|
if (tmpp->iAmount + 1 > tmpp->iMax)
|
|
|
{
|
|
|
printf("借阅失败,该读者借阅图书数量已达上线.\n");
|
|
|
printf("按任意键返回\n");
|
|
|
getchar();
|
|
|
return reader1;
|
|
|
}
|
|
|
reader->iAmount++;
|
|
|
reader->aiBookId[tmpp->iAmount] = id_book;
|
|
|
return reader1;
|
|
|
}
|
|
|
book = book->next;
|
|
|
}
|
|
|
printf("没有找到该书!\n");
|
|
|
printf("按任意键返回\n");
|
|
|
}
|
|
|
reader = reader->next;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
} |
