lims
1.0.0
lims 是图书馆信息管理系统的缩写,包含管理现实世界图书馆功能的所有功能。包含4个表用于管理不同的数据
CREATE TABLE Book (
" book_id " varchar ( 1200 ) PRIMARY KEY ,
" isbn " varchar ( 1200 ) NOT NULL ,
" title " varchar ( 1200 ) NOT NULL ,
" subtitle " text ,
" author " varchar ( 1200 ) NOT NULL ,
" published " varchar ( 1200 ) NOT NULL ,
" publisher " varchar ( 1200 ) NOT NULL ,
" pages " int ,
" description " text ,
" image_url " varchar ( 1200 ),
" reviews " int ,
" rating " float
);
CREATE TABLE RegUser (
" user_id " varchar ( 200 ) PRIMARY KEY ,
" first_name " varchar ( 200 ) NOT NULL ,
" last_name " varchar ( 200 ),
" gender " varchar ( 200 ) NOT NULL ,
" email " varchar ( 200 ) UNIQUE NOT NULL ,
" password " varchar ( 200 ) NOT NULL ,
" is_admin " boolean NOT NULL
);
CREATE TABLE Review
(
" review_id " varchar ( 200 ) PRIMARY KEY ,
" user_id " varchar ( 200 ) NOT NULL ,
" book_id " varchar ( 200 ) NOT NULL ,
" comment " text ,
" rating " int ,
" date " varchar ( 200 ),
" edited " boolean
);
CREATE TABLE BookIssue
(
" issue_id " varchar ( 200 ) PRIMARY KEY ,
" user_id " varchar ( 200 ) NOT NULL ,
" book_id " varchar ( 200 ) NOT NULL ,
" issue_date " varchar ( 200 ),
" return_date " varchar ( 200 ),
" returned " boolean
);
ALTER TABLE Review ADD FOREIGN KEY ( " user_id " ) REFERENCES RegUser ( " user_id " );
ALTER TABLE Review ADD FOREIGN KEY ( " book_id " ) REFERENCES Book ( " book_id " );
ALTER TABLE BookIssue ADD FOREIGN KEY ( " user_id " ) REFERENCES RegUser ( " user_id " );
ALTER TABLE BookIssue ADD FOREIGN KEY ( " book_id " ) REFERENCES Book ( " book_id " );
很少有基本功能已经实现,其他功能可以实现或可以在此基础上构建。所有实现的功能包括
GetBookById
AddBook
DeleteBook
SearchBook
GetReviewsOfBook
IssueBook
GetIssueById
GetBooksIssuedByUser
Connect
AddEditDeleteReview
AddAndDeleteUser
SearchUser
main.go
中调用的db/db.go
的Connect()
方法用于连接到本地或云数据库并实例化一个全局变量Lib
外部用户可以使用该变量根据可用功能与数据库实例进行交互。
在db
内部,这些文件包含直接与数据库交互的代码,而数据库又提供了上述方法。任何新方法和测试都应添加到此处。