Introduction - If you have any usage issues, please Google them yourself
Functions and Requirements】 (1) the role and rights management. Offers system administrators, librarians and ordinary users, they have different permissions, all kinds of users need to be logged into the system. (2) System Administrator role, the system administrator to manage all types of users to add, delete, modify, and query. (3) the role librarian, librarians can book information entry, delete, and modify, statistics (4) the role of ordinary users, ordinary users can borrow books, return books.