如何反序列化JObject到.NET对象 [英] How to deserialize an JObject to .NET object

问题描述

我很高兴地使用 Newtonsoft JSON库。
例如，我将从.NET对象创建一个 JObject ，在这种情况下是Exception的一个实例（可能是或可能不是一个子类）

I happily use the Newtonsoft JSON library. For example I would create a JObject from an .NET object, in this case a instance of Exception (might or might not be a subclass)

if (result is Exception)
    var jobjectInstance = JObject.FromObject(result);

现在我知道库可以将JSON文本（即字符串）反序列化为对象

now I know the library can deserialize JSON text (i.e. a string) to an object

// only works for text (string)
Exception exception = JsonConvert.DeserializeObject<Exception>(jsontext); 

但我正在寻找的是：

// now i do already have an JObject instance
Exception exception = jobjectInstance.????

很明显，我可以从 JObject 返回JSON文本，然后使用反序列化功能，但这似乎是向后退的。

Well it is clear that I can go from on JObject back to JSON text and then use the deserialize functionality, but that seems backwards to me.

推荐答案

根据这个< a href =http://www.west-wind.com/weblog/posts/2012/Aug/30/Using-JSONNET-for-dynamic-JSON-parsing> post ，现在好多了：

According to this post, it's much better now:

// pick out one album
JObject jalbum = albums[0] as JObject;

// Copy to a static Album instance
Album album = jalbum.ToObject<Album>();

文档： 将JSON转换为类型

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