如何用新的类对象替换cin和cout [英] How to replace cin and cout with new class objects

问题描述

我如何定义自己的类，我的对象可以用来在c ++中输入和输出而不是使用cin和cout。？



什么我试过了：



i还没试过，因为我不是这方面的专家

how can i define my own class whose object i can use to take input and output in c++ instead of using cin and cout.?

What I have tried:

i havent tried as i am not an expert at this

推荐答案

为什么（新鲜的地狱）你想要替换 cin 和 cout ？

据我所知，处理控制台 I / O 的唯一（便携式）方法只是 iostream s或plain C stdio 。换句话说，您必须在自己的对象中包装 cin / cout （或 scanf / printf ）？ />
这是你真正想要的吗？或者您需要为您的类定义自定义提取/插入运算符？

Why (the fresh hell) do you want to replace cin and cout?
As far as I know the only (portable) ways to handle console I/O are just iostreams or plain C stdio. In other words you would have to wrap cin/cout (or scanf/printf) in your own objects?
Is this what you really want? Or you need instead to define custom extraction/insertion operators for your classes?

可能您不希望在实践中：cin和cout非常灵活，可以返回或接受大量的依赖于上下文的类型：整数，浮点数，双精度数，字符数，字符串...

你必须创建你的类，以便它可以返回每个类，这是很多为实际上不会使你的代码更具可读性的东西工作（并且当你的课程从控制台应用程序转移到没有使用cin和cout的GUI时，你将不会再使用几周）。



如果是我，我会找到一个更好的项目！

Probably, you don't want to in practice: cin and cout are very flexible, and can return or accept a huge number of context dependant types: integers, floats, doubles, chars, strings ...
You would have to make your class so that it could return each of those as well, and that's a lot of work for something that won't actually make your code any more readable (and that you won't use again in a couple of weeks when your course moves from console apps to GUI ones where cin and cout aren't used at all).

I'd find a better project if it was me!

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