Mainly used for book query, in which direct query includes direct query by book number, query by title, query by author and query by publishing house (optional fuzzy query). Multi-condition query can

According to the requirements of readers, select the required books for direct query, fuzzy query and multi-condition query. Librarians manage books (including the modification of book information, the addition of new books and the deletion of old books), while super administrators manage book classification, information management, administrator login account and overdue drawings management.