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import file import datetime
books = 'books.txt' borrow = 'borrow.txt' users = 'users.txt' admins = 'admins.bin' title = ['书名:', '作者:', '借阅人:', ' 时间:'] userTitle = ['用户名:', '密码:']
def inputData(keywords): if keywords == 'book': key = input('请输入书名: \t') value = input('请输入作者名:\t') elif keywords == 'user': key = input('请输入用户名:\t') value = input('请输入密码: \t') return [key, value]
def create(): print('\n' + '----------- 添加书籍 -----------') data = inputData('book') file.writeData(books, data, 'a') print('----------- 添加成功 -----------') return True
def delete(): print('\n' + '----------- 删除书籍 -----------') data = inputData('book') new = [] new = file.splitData(books) if data in new: new.remove(data) fobj = open(books, 'w') for item in new: file.writeData(books, item, 'a') fobj.close() print('----------- 删除成功 -----------') else: print('------ 书籍不存在,自动返回 ------') return True
def update(): print('\n' + '----------- 修改书籍 -----------') data = inputData('book') new = [] new = file.splitData(books) if data in new: new.remove(data) bookname = input('请输入修改后的书名:') author = input('请输入修改后的作者:') data = [bookname, author] new.append(data) fobj = open(books, 'w') for item in new: file.writeData(books, item, 'a') fobj.close() print('----------- 修改成功 -----------') else: print('------ 书籍不存在,自动返回 ------') return True
def retrieve(): print('\n' + '----------- 查找书籍 -----------') bookname = input('请输入书名:') new = file.splitData(books) flag = 0 for book in new: if book[0] == bookname: print('书名:', book[0], ' 作者:', book[1]) flag = flag + 1 if flag == 0: print('----- 没有找到该书,自动返回 -----') print('----------- 查找结束 -----------') return True
def giveBack(): print('\n' + '----------- 归还书籍 -----------') data = inputData('book') new = [] new = file.splitData(borrow) flag = 0 for item in new: if data == [item[0], item[1]]: new.remove(item) fborrow = open(borrow, 'w') for item in new: file.writeData(borrow, item, 'a') fborrow.close() fbooks = open(books, 'a') file.writeData(books, [data[0], data[1]], 'a') fbooks.close() flag = flag + 1 print('----------- 归还成功 -----------') else: continue if flag == 0: print('------ 书本未借出,归还失败 ------') return True
def borrowBook(username): print('\n' + '----------- 借阅书籍 -----------') data = inputData('book') new = [] new = file.splitData(books) if data in new: new.remove(data) fbooks = open(books, 'w') for item in new: file.writeData(books, [item[0], item[1]], 'a') fbooks.close() fborrow = open(borrow, 'a') data.append(username) data.append(datetime.datetime.now().strftime('%Y-%m-%d')) file.writeData(borrow, data, 'a') fborrow.close() print('----------- 借书成功 -----------') else: print('------ 书籍不存在,自动返回 ------') return True
def showAllUser(): print('\n' + '----------- 所有用户 -----------') new = file.splitData(users) for item in new: print('') for i in range(2): print('{} {} \t'.format(userTitle[i], item[i], chr(12288)), end='') return True
def deleteUser(): print('\n' + '----------- 删除用户 -----------') data = inputData('user') new = [] new = file.splitData(users) if data in new: new.remove(data) fobj = open(users, 'w') for item in new: file.writeData(users, item, 'a') fobj.close() print('----------- 删除成功 -----------') else: print('------ 用户不存在,自动返回 ------') return True
def showAll(): print('\n' + '----------- 所有书籍 -----------') print('\n' + '---******** 在库书籍 ********---', end='') new = file.splitData(books) for item in new: print('') for i in range(2): print('{} {} \t'.format(title[i], item[i], chr(12288)), end='') print('') print('\n' + '---******** 借出书籍 ********---', end='') new = file.splitData(borrow) for item in new: print('') for i in range(4): print('{} {} \t'.format(title[i], item[i], chr(12288)), end='') print('') return True
def findUsers(): new = [] new = file.splitData(users) return new
def findAdmins(): new = [] new = file.splitData(admins) if (len(new) == 0): new = [['XDP', 'Admin'], ] print("管理员账号:XDP 密码:Admin") return new
def addUser(data): file.writeData(users, data, 'a') return True
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