我很好奇其他人是如何使用这个关键字的。我倾向于在构造函数中使用它,但我也可能在整个类的其他方法中使用它。一些例子:

在构造函数中:

public Light(Vector v)
{
    this.dir = new Vector(v);
}

在其他地方

public void SomeMethod()
{
    Vector vec = new Vector();
    double d = (vec * vec) - (this.radius * this.radius);
}

当前回答

除非万不得已,否则不要用this。

不必要的冗长是有惩罚的。您应该努力使代码的长度恰好与需要的长度相同,而不是更长。

其他回答

我并不想这么说,但这并不重要。

认真对待。

看看那些重要的东西:你的项目,你的代码,你的工作,你的个人生活。它们中的任何一个都不会成功依赖于是否使用“this”关键字来限定对字段的访问。这个关键字不会帮助你按时发货。它不会减少bug,也不会对代码质量或可维护性产生明显的影响。它不会让你加薪,也不会让你在办公室花更少的时间。

It's really just a style issue. If you like "this", then use it. If you don't, then don't. If you need it to get correct semantics then use it. The truth is, every programmer has his own unique programing style. That style reflects that particular programmer's notions of what the "most aesthetically pleasing code" should look like. By definition, any other programmer who reads your code is going to have a different programing style. That means there is always going to be something you did that the other guy doesn't like, or would have done differently. At some point some guy is going to read your code and grumble about something.

I wouldn't fret over it. I would just make sure the code is as aesthetically pleasing as possible according to your own tastes. If you ask 10 programmers how to format code, you are going to get about 15 different opinions. A better thing to focus on is how the code is factored. Are things abstracted right? Did I pick meaningful names for things? Is there a lot of code duplication? Are there ways I can simplify stuff? Getting those things right, I think, will have the greatest positive impact on your project, your code, your job, and your life. Coincidentally, it will probably also cause the other guy to grumble the least. If your code works, is easy to read, and is well factored, the other guy isn't going to be scrutinizing how you initialize fields. He's just going to use your code, marvel at it's greatness, and then move on to something else.

我一有机会就用。我相信这会使代码更有可读性,而更有可读性的代码就等于更少的bug和更强的可维护性。

每当我引用一个实例变量时,我都会使用它,即使我不需要。我认为这让代码更清晰。

我在任何可能有歧义的地方都使用它(显然)。不只是编译器的模糊性(在这种情况下是必需的),还有查看代码的人的模糊性。

只要StyleCop告诉我,我就使用它。必须遵守StyleCop。噢,是的。