图书管理系统UML类图

User

- id : int- password : String- username : String

UserDao

关联

依赖

聚合

checkLogin

+ isEmpty(String) : return boolean+ isNotEmpty(String) : return boolean

LogFrame

- contentPane : JPanel- userNameTxt : JTextFiled- passwordTxt : JPasswordFiled- dbutil : DButil- userDao : UserDao

+ main(String[]) : void+ LogFrame()- loginActionPerformed(ActionEvent) : void- resetValueActionPerformed(ActionEvent) : void

关联

Book

- id : int- bookName : String- bookAuthor : String- bookPrice : double

BookManage

- bookTable : JTable- finBookNameTxt : JTextFiled- findAuthor : JTextFiled- nameTxt : JTextFiled- authorTxt : JTextFiled- priceTxt : JTextFiled- idTxt : JTextFiled- dbUtil : DButil- bookDao : BookDao

+ BookManage()- bookDeleteAction(ActionEvent) : void- bookUpdateAction(ActionEvent) : void- bookSerchAction(ActionEvent) : void- bookTableMousePressed(MouseEvent) : void- fillTable(Book) : void- resetValue() : void

BookAdd

- bookAuthorTxt : JTextFiled- bookNameTxt : JTextFiled- bookPriceTxt : JTextFiled- dbUtil : DButil- bookDao : BookDao

+ BookAdd()- BookAddAction(ActionEvent) : void- resetValue() : void

BookDao

InterfaceFrame

- contentPane : JPanel

+ InterfaceFrame()

DButil

- Url : String- UserName : String- PassWord : String- jdbcName : String

+ closeConnection(Connection) : void+ getConnection() : return Connection

AboutUs

+ AboutUs()