Documentation
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Overview ¶
* Copyright (c) 2024 flowerinsnow * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at https://mozilla.org/MPL/2.0/.
* Copyright (c) 2024 flowerinsnow * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at https://mozilla.org/MPL/2.0/.
* Copyright (c) 2024 flowerinsnow * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at https://mozilla.org/MPL/2.0/.
Index ¶
Constants ¶
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Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type Book ¶
type BookWithHeldStudent ¶
type Library ¶
type Library interface {
// BorrowBook 是让 Student 借走 Book
// 如果书已被借走、学生已经借过书了、书不存在于数据库中、学生不存在于中会返回 error
BorrowBook(int, int) error
// ListBooks 将列出图书馆中所有的书籍以及它们的持有者
ListBooks() []*BookWithHeldStudent
// ListStudents 将列出数据库中所有的学生以及它们持有的图书
ListStudents() []*StudentWithHeldBook
// FindStudentById 用于通过 id 查找学生
FindStudentById(int) (*StudentWithHeldBook, bool)
// FindBookById 用于通过 id 查找学生
FindBookById(int) (*BookWithHeldStudent, bool)
// ReleaseBook 将将 Book 从一名学生手中归还
// 如果 Book 不存在，则返回 error
ReleaseBook(int) error
}
Library 是一个抽象的图书馆，提供了最基本的内容
type Student ¶
func NewStudent ¶
func NewStudent(id *sql.NullInt32, name *sql.NullString) *Student
NewStudent 返回一个 Student 指针 如果无效返回空
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