C# automatic-properties custom-attributes

在 C# 中，我可以让自动属性在属性的帮助下执行一些额外的工作吗？

发布于 2024-09-03 18:33:25 字数 592 浏览 3 评论 0原文

我喜欢自动属性，但有时我必须做这样的事情：

private string someName;

public string SomeName
{
    get
    {
       return someName;
    }

    set
    {
        someName = value.Trim();
    }
}

如果我必须多次做同样的事情，我开始希望我没有这样做需要输入这么多行/字符的代码。我希望能够拦截该值并像这样更改它：

public string Somename
{
    get;

    [Trim]
    set;
}

有没有办法做这样的事情？会不会很傻？有更好的办法吗？还有其他一般性评论吗？我承认，我给出的例子有点假设，我现在无法找到让我想到这一点的确切代码。

谢谢。

原文

This question is related but not the same as this: How do you give a C# Auto-Property a default value?

I love auto-properties, but sometimes I have to do something like this:

private string someName;

public string SomeName
{
    get
    {
       return someName;
    }

    set
    {
        someName = value.Trim();
    }
}

If I have to do the same thing many times, I start wishing that I did not need to type so many lines/characters of code. I want to be able to intercept the value and change it sort of like so:

public string Somename
{
    get;

    [Trim]
    set;
}

Is there a way to do something like this? Would it be stupid? Is there a better way? Any other general comments? I admit, the example I gave is a bit hypothetical and I cannot locate the exact code now which made me think of this.

Thanks.

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月隐月明月朦胧 2024-09-10 18:33:26

您可以使用 AOP 来完成此操作，例如 Postsharp，但在这种情况下为什么不只使用后备存储呢？

另外，为了完整起见，您可能应该这样做：

someName = (value ?? string.Empty).Trim();

也处理 null 。

请注意，如果您心中有一个涉及更多工作的特定案例，您可能应该询问该案例，而不是问题中的琐碎案例

You can do it using AOP, like with Postsharp, but why aren't you just using a backing store in this case?

Also, for completeness, you should probably do this:

someName = (value ?? string.Empty).Trim();

to handle null as well.

Note that if you have a specific case in mind where there is more work involved, you should probably ask about that case, and not the trivial one you have in your question

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