接口不应该有属性？ [英] Interface should not have properties?

问题描述

我的办公室的同事告诉我今天这是不好的做法，在接口的使用性能。他红，在某些MSDN文章（S），而我找不到（好，我是想在谷歌几次，大概跟错了键字）。他还告诉我，只有方法应该是在界面。 现在，我知道这是不严格的规则，因为很明显在.net中，你可以做财产签名接口和编译。

My office colleague told me today that is bad practice to use properties in interfaces. He red that in some MSDN article(s), which I couldn't find (well I was trying few times on google, probably with wrong key words). He also told me that only methods should be in interface. Now, I am aware that is is not strict rule, since obviously in .net you can make property signature in interface and compile it.

不过，这是真的是一个坏的实践/设计/ OOP？为什么？

But is this true to be a bad practice/design/oop? And why?

他指出，以正确的文学或网络资源将是有益的了。

Pointing out to right literature or web resource would be helpful too.

感谢

推荐答案

我就加我的声音在这里也 - 我从来没有碰到过这样的建议。属性是有效的一对get / set方法。

I'll just add my voice in here as well - I've never come across this recommendation. A property is effectively a pair of get/set methods.

像其他的设计决策。如果genuintely是有道理的;如果是适当的下设计的系统中，如果它不会引起维护问题，如果它不导致性能问题，应该没有理由不能做到这一点。

Like every other design decision. If it genuintely makes sense; if it is appropriate for the system under design, if it doesn't cause maintenance problems, if it doesn't cause performance problems, there should be no reason you can't do it.

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