图书管理系统类图
2020-06-13 14:53:55 0 举报图书管理系统 类图
作者其他创作
大纲/内容
user
userId;Stringname:stringstate:stringisbn:String
borrow():voidloan():void
Librarian
workId:Stringname:Stringaddress:Stringcity:Stringstate:String
create():voiddestory():voidfind():void
Loan
date:Date = current DateTitle_ISBN:Stringmoney:doubleIsPay:Boolean
create():voiddestory():voidfind():void pay():void
Reversation
date:Date = current DateTitle_ISBN:StringuserId:Stringnumber:int
create():voiddestory():voidfind():void
Item
id：int
find_on_title():voidcreate():voiddestory():voidfind():void check():voidupdate():voidreserve():void
Title
name:Stringauthor:Stringisbn:Stringtotal_number:intborrowed_number:inttype:StringIsAllowedForBorrow:Boolean
find():voidcreate():voiddestory:voidborrow():voidreturn_back():voidreserve():void
Borrower
name:Stringaddress:Stringcity:Stringstate:Stringzip:maxbook:maxday:intuserId:Stringborrower_naem:int
find():voidcreate():voiddestory():voidborrow():voidreturn_back():voidcheck_if_max():void
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