2024年12月24日
学习高校课程-软件设计模式-访客模式（lec13）
摘要： Visitor: Problem Example: exporting the graph into XML format 示例：将图表导出为 XML 格式 Visitor: Solution Place the new behavior into a separate class called v 阅读全文
posted @ 2024-12-24 18:27 Mephostopheles 阅读(24) 评论(0) 推荐(0)
学习高校课程-软件设计模式-状态、策略和模版模式（lec12）
摘要： State: Problem A finite number of states The program behaves differently within a state Can be switched from one state to another, and switching rules 阅读全文
posted @ 2024-12-24 14:25 Mephostopheles 阅读(14) 评论(0) 推荐(0)
学习高校课程-软件设计模式-备忘录模式和观察者模式（lec11）
摘要： Memento: Problem Example: supporting undo in a text editor app Problem 1: private fields cannot be accessed Problem 2: when fields are made public, re 阅读全文
posted @ 2024-12-24 11:27 Mephostopheles 阅读(16) 评论(0) 推荐(0)