Class Diagram
2017-03-29 15:48:50 0 举报网上书店类图描述
作者其他创作
大纲/内容
1n
1
1 n
Operator
skill:String
order_process()
n
Records
Record_id:Stringcus_id:Stringbook_id:StringOP_type:Stringdata:Date
search()
1 n
Customer
reg_date:Datecus_id:Stringpassword:String
search_book()maintain_book()
Books
ID:Stringname:Stringstorage:Integerinfo:String
Orders
order_id:Stringuser_id:Stringbook_id:Stringdate:Datetel:IntegerEmail:StringAddress:String
add()delete()modify()search()
n1
n 1
Administrator
admin:Boolean
sales_check()maintain_record()maintain_book_info()maintain_operator_info()
收藏
收藏
0 条评论
下一页
