import?tkinter.messagebox
import?os


class?Book:
????def?__init__（self）:
????????self.book_list?=?[]
????????self.read_file（）

????def?add_book（self?index1?book_name?position?state=‘未借閱‘?identity=‘無‘）:
????????if?index1?==?‘‘?or?book_name?==?‘‘?or?position?==?‘‘:
????????????tkinter.messagebox.showinfo（‘提示‘?‘請輸入完整信息‘）
????????else:
????????????dict1?=?{}
????????????dict1[‘圖書編號‘]?=?index1
????????????dict1[‘書名‘]?=?book_name
????????????dict1[‘狀態‘]?=?state
????????????dict1[‘位置‘]?=?position
????????????dict1[‘借閱人‘]?=?identity
????????????self.book_list.append（dict1）
????????????self.write_file（）
????????????tkinter.messagebox.showinfo（‘提示‘?‘增加成功‘）

????def?write_file（self）:
????????with?open（‘圖書信息.txt‘?‘w‘?encoding=‘utf-8‘）?as?f:
????????????for?i?in?self.book_list:
????????????????f.write（str（i）?+?‘\n‘）

????def?read_file（self）:
????????if?os.path.exists（‘圖書信息.txt‘）:
????????????with?open（‘圖書信息.txt‘?‘r‘?encoding=‘utf-8‘）?as?f:
????????????????for?i?in?f.readlines（）:
????????????????????self.book_list.append（eval（i））

????def?update（self?flag?name?identity=‘無‘）:
????????if?flag?==?‘T‘:
????????????for?i?in?self.book_list:
????????????????if?i.get（‘書名‘）?==?name:
????????????????????i[‘狀態‘]?=?‘已借閱‘
????????????????????i[‘借閱人‘]?=?identity
????????????????????break
????????????self.write_file（）
????????elif?flag?==?‘F‘:
????????????for?i?in?self.book_list:
????????????????if?i.get（‘書名‘）?==?name:
????????????????????i[‘狀態‘]?=?‘未借閱‘
????????????????????i[‘借閱人‘]?=?identity
????????????????????break
????????????self.write_file（）

????????else:
????????????for?i?j?in?enumerate（self.book_list）:
????????????????if?j.get（‘書名‘）?==?name:
????????????????????del?self.book_list[i]
????????????????????break
????????????self.write_file（）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1899??2020-06-06?15:17??Book.py

?????文件????????144??2020-06-06?13:11??main1.py

?????文件??????10058??2020-06-06?15:27??Windows.py

-----------?---------??----------?-----??----

????????????????12101????????????????????3