你如何做一个深层副本对象在.net（C＃专）？ [英] How do you do a deep copy an object in .Net (C# specifically)?

问题描述

我希望有一个真正的深层副本。在Java中，这很简单，但你怎么做它在C＃？

I want a true deep copy. In Java, this was easy, but how do you do it in C#?

推荐答案

我已经看到了一些不同的方法，但我用一个通用的实用方法，例如：

I've seen a few different approaches to this, but I use a generic utility method as such:

public static T DeepClone<T>(T obj)
{
 using (var ms = new MemoryStream())
 {
   var formatter = new BinaryFormatter();
   formatter.Serialize(ms, obj);
   ms.Position = 0;

   return (T) formatter.Deserialize(ms);
 }
}

注：

为了使这项工作
• 您的类必须被标记为 [Serializable接口] 。

• 您的源文件都必须包括以下code：

• Your class MUST be marked as [Serializable] in order for this to work.

• Your source file must include the following code:

using System.Runtime.Serialization.Formatters.Binary;
using System.IO;

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