diff --git a/README.md b/README.md index d44b52a..21786b3 100644 --- a/README.md +++ b/README.md @@ -84,7 +84,18 @@ void ShowLibInfo(const Book* book1, const Reader* reader1) 1) 函数原形: void ShowLibBook(Book* book); 2) 功能： 接受一个形参：图书的链表地址，遍历该链表，显示出所有图书的信息 ``` - +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; +} @@ -95,7 +106,70 @@ void ShowLibInfo(const Book* book1, const Reader* reader1) 1) 函数原形: Book* AddBook(Book* book); 2) 功能： 接受一个形参：图书的链表地址，利用尾插对链表进行修改，添加图书 ``` - +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; +} @@ -107,7 +181,39 @@ void ShowLibInfo(const Book* book1, const Reader* reader1) 1）函数原形: Book* DealoldBook(Book* book); 2) 功能： 接受一个形参:图书链表的地址，遍历该链表，用书的编号进行匹配，找到该图书后删除该图书，否则返回 ``` - +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; +} ``` @@ -401,11 +507,14 @@ Reader* LendBook(Reader* reader1, Book* book1) C2:void ShowLibInfo(const Book* book, const Reader* reader);\\查询图书馆的总信息 ![C2](c2.svg) C3:void ShowLibBook(Book* book);\\查询图书馆藏书信息 - +![c3](images/c3.svg) +) C4:Book* AddBook(Book* book);\\存入新书 +![c4](images/c4.svg) C5:Book* DealoldBook(Book* book);\\旧书处理 +![c5](images/c5.svg) C6:void foundBook(Book* book);\\根据书名检索书刊信息 ![C6](images/foundbook.svg) diff --git a/images/c2.svg b/images/c2.svg new file mode 100644 index 0000000..5192a7b --- /dev/null +++ b/images/c2.svg @@ -0,0 +1,128 @@ + + + + + + + + + + + + + + 开始 + + + + + + End + + + + + + + + + + + + + + + + + + + + + Integer Book*book=book1 + Reader*reader=reader1 + + + + + + bookNUm = 0 + + + + + + readerNUm = 0 + + + + + + mangerNUm = 0 + + + + + + + + + + + Output readerNUm + ++; + reader=reader->next; + + + + + + reader!=NULL + + + + True + + + False + + + + + + + + + + + Output readerNUm + ++; + reader=reader->next; + + + + + + reader!=NULL + + + + True + + + False + + + + + + Output 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"); + + + + + diff --git a/images/c3.svg b/images/c3.svg new file mode 100644 index 0000000..2492f51 --- /dev/null +++ b/images/c3.svg @@ -0,0 +1,75 @@ + + + + + + + + + + + + + + Main + + + + + + End + + + + + + + + + + + Book*book = book1 + + + + + + + + + + + Output printf("%d\t%s\t%s\t + %s\t%d\n", book->iNum, + book->acName, book-> + acAuthor, book->acPress, + book-> + iAmount); + book = book->next; + + + + + + book!=NULL + + + + True + + + False + + + + + + Output printf("\ + n按任意键返回\ + n"); + getchar(); + + + + + diff --git a/images/c4.svg b/images/c4.svg new file mode 100644 index 0000000..3ce429f --- /dev/null +++ b/images/c4.svg @@ -0,0 +1,281 @@ + + + + + + + + + + + + + + kaishi + + + + + + End + + + + + + + + + + + + + Book*book = book1 + + + + + + + + + + + + + book==NULL + + + + + + Output 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; + + + + + + + True + + + False + + + + + + + + + + + + + + + + + + + + + + + + + + Integer flag + + + + + + flag = 1 + + + + + + + + + + + + + + Output 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(); + + + + + + + + + + + + + flag==0 + + + + + + Output printf("按任意键返回\ + n"); + getchar + (); + return book1; + + + + + + + True + + + False + + + + + + + flag + + + + True + + + False + + + + + + + book->next==NULL + + + + True + + + False + + + + + + Output book=book->next + + + + + + + 1 + + + + True + + + False + + + + + + Output printf("按任意键返回\ + n"); + getchar(); + + + + + diff --git a/images/c5.svg b/images/c5.svg new file mode 100644 index 0000000..50c3f7b --- /dev/null +++ b/images/c5.svg @@ -0,0 +1,183 @@ + + + + + + + + + + + + + + begin + + + + + + Return Integer book1 + + + + + + + + + + + + + + + + + + + Book*book = book1 + + + + + + Book*pre = book1 + + + + + + Output printf + ("输入要处理旧书的编号:"); + + + + + + + + Integer id + + + + + + Input id + + + + + + + + + + + + + + + + + + + + id==book->iNUm + + + + + + + + + + + + + + + book1==book + + + + + + Output book = book->next + ; + free + (prev); + return book; + + + + + + Output 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; + + + + + True + + + False + + + + + + Output prev = book + ; + book = book->next; + + + + + True + + + False + + + + + + book!=NULL + + + + True + + + False + + + + + + Output printf + ("没有找到该图书\ + n"); + printf("按任意键返回\ + n"); + getchar(); + + + + +