鉴于此 JSON:
[
{
"$id": "1",
"$type": "MyAssembly.ClassA, MyAssembly",
"Email": "me@here.com",
},
{
"$id": "2",
"$type": "MyAssembly.ClassB, MyAssembly",
"Email": "me@here.com",
}
]
还有这些类:
public abstract class BaseClass
{
public string Email;
}
public class ClassA : BaseClass
{
}
public class ClassB : BaseClass
{
}
如何将 JSON 反序列化为:
How can I deserialize the JSON into:
IEnumerable<BaseClass> deserialized;
我不能使用 JsonConvert.Deserialize<IEnumerable<BaseClass>>()
因为它抱怨 BaseClass
是抽象的.
I can't use JsonConvert.Deserialize<IEnumerable<BaseClass>>()
because it complains that BaseClass
is abstract.
你需要:
JsonSerializerSettings settings = new JsonSerializerSettings
{
TypeNameHandling = TypeNameHandling.All
};
string strJson = JsonConvert.SerializeObject(instance, settings);
所以 JSON 看起来像这样:
So the JSON looks like this:
{
"$type": "System.Collections.Generic.List`1[[MyAssembly.BaseClass, MyAssembly]], mscorlib",
"$values": [
{
"$id": "1",
"$type": "MyAssembly.ClassA, MyAssembly",
"Email": "me@here.com",
},
{
"$id": "2",
"$type": "MyAssembly.ClassB, MyAssembly",
"Email": "me@here.com",
}
]
}
然后就可以反序列化了:
Then you can deserialize it:
BaseClass obj = JsonConvert.DeserializeObject<BaseClass>(strJson, settings);
文档:TypeNameHandling 设置
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