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This article is about the function analysis and data analysis of UML library management system. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Design of Library Management system based on UML

System function analysis

The analysis of system function in UML library management system is completed on the basis of the overall task of system development. The main functions of this system are as follows:

A basic operations such as entry, modification and deletion of the basic information of books.

1. the formulation of book category standards, the input of category information, including category numbers, category names, keywords, remarks, etc.

2. Inquiry and modification of book category information, including category number, category name, keywords, remarks, etc.

3. Input of book information, including book number, book name, book category, author name, publishing house name, publication date, number of book pages, keywords, registration date, remarks, etc.

B personal information module.

1. Add and modify reader information.

2. Change the user's password.

C realizes the function of borrowing books.

1. input of borrowing information, including borrowing information number, reading number, reader's name, book number, book name, borrowing date, remarks, etc.

2. Inquiry and modification of borrowing information, including borrowing information number, reader number, reader's name, book number, book name, borrowing date, remarks, etc.

D realize the function of returning books.

1. Input of return information, including return information number, reader number, reader name, book number, book name, borrowing date, return date, remarks, etc.

2. Inquiry and modification of book return information, including book return information number, book number, reader's name, book number, book name, borrowing date, return date, remarks, etc.

E can easily inquire about books. Information statistics can be given for overdue situations.

System data analysis

According to the above functions, the data of UML library management system is divided into:

The data input part mainly includes the input of the basic information of the book, the basic information of the borrower and the basic information of the user.

Data output part: mainly a variety of statistical inquiries, including: according to book information (such as book title, author, publishing house, etc.) to consult books and their borrowing information, statistics output book type proportion and so on.

Data processing part: it mainly involves the processing of borrowing and return, for example, after a book is lent, the book must be marked as lent in the database, in case there is a book in the database but there is no book in the library; after a book is returned, it must also be marked in the database as returned so that it can be lent again.

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