面向对象中类应该如何设计? - V2EX
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llnhhycom

面向对象中类应该如何设计?

  •  
  •   llnhhycom Feb 2, 2017 2325 views
    This topic created in 3370 days ago, the information mentioned may be changed or developed.

    楼主最近在做一个项目,技术采用了 Tornado+Redis , 其中在设计用户账号类的时候为了保证代码不会太分散,就把所有与用户账号有关的操作放到 Account class 中,也包括了 login(),register(), logout()...

    这样我在 Account 中使用 python 的 @classmethod 装饰器来装饰与具体实例无关的操作,如 login(),register()等,通过 Account.Login(email, password)来进行一些登陆的操作

    我想了解的是这样设计可以吗,会不会导致 Account 类越来越庞大,以后难以维护呢?(或者还有什么其他的缺点?)

    Account 类在此:( https://github.com/cufrancis/savemylink/blob/master/lib/Account.py )

    demo 在此:( http://savemylink.lllnhhy.com )

    lzjamao
        1
    lzjamao  
       Feb 2, 2017
    不好回答。没有具体的要求,何必劳动众。设计本身就是为了解决实际问题。但我觉得代码写多,会有面向对象的设计感觉 。
    bombless
        2
    bombless  
       Feb 2, 2017 via Android
    怕膨胀的话完全可以一个类一个方法,习惯就好,哈哈
    814084764
        3
    814084764  
       Feb 3, 2017
    难道不应该这么归类么?你的账号的操作能有多少个?
    llnhhycom
        4
    llnhhycom  
    OP
       Feb 3, 2017
    @814084764 你可以看下我的 Account 类,所有和账号有关的都在 Account 类中:
    user = Account(uid=1)

    user.nickname // 用户昵称
    user.email // 用户邮箱
    ...
    ...
    user.links() // 用户发布的所有链接
    user.link()[0].title // 用户发布的链接的标题
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