C# 有谁知道.NET 中的货币类型？
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Does anyone know of a money type in .NET?
提问by Mateo
Does anyone know of an already implemented money type for the .NET framework that supports i18n (currencies, formatting, etc)? I have been looking for a well implemented type and can't seem to find one.
有谁知道支持 i18n（货币、格式等）的 .NET 框架已经实现的货币类型？我一直在寻找一种实现良好的类型，但似乎找不到。
采纳答案by jfs
Check this article A Money type for the CLR
检查这篇文章CLR 的货币类型
A convenient, high-performance money structure for the CLR which handles arithmetic operations, currency types, formatting, and careful distribution and rounding without loss.
一种方便、高性能的 CLR 货币结构，可处理算术运算、货币类型、格式以及仔细的分布和四舍五入而不会丢失。
回答by Jason Hymanson
I think you want to use the decimal data type, and use the appropriate overload for ToString().
我认为您想使用十进制数据类型，并为ToString()使用适当的重载。
CultureInfo current = CultureInfo.CurrentCulture;
decimal myMoney = 99.99m;
//formats as money in current culture, like .99
string formattedMoney = myMoney.ToString("C", current);
回答by Chii
i would use integer/long, and use a very low denomination like cents (or pence) - then there would be no decimal to work with, and all calculations can be rounded to the nearest cent.
我会使用整数/长整数，并使用非常低的面额，如美分（或便士）——这样就没有小数可以使用，所有计算都可以四舍五入到最接近的美分。
or, take a look at Martin Fowler's book "Patterns of Enterprise Application Architecture". In that book, he talked about how to implement a money class. http://www.amazon.com/Enterprise-Application-Architecture-Addison-Wesley-Signature/dp/0321127420
或者，看看 Martin Fowler 的书“企业应用程序架构模式”。在那本书中，他谈到了如何实现货币课程。http://www.amazon.com/Enterprise-Application-Architecture-Addison-Wesley-Signature/dp/0321127420
