How to Deserialize Polymorphic JSON Data into a List of Base Classes using a Custom JsonConverter?

Using custom JSONCONVERTER converters

Target

This guide is designed to solve the problem of using custom JSONCONVERTER to sequence polymond data into a list of base categories. In this example, we have a base class Person and subcate Employee and Artist, and each subclass has its unique attributes.

Implement

Standard CustomCreationConverter is not enough to complete this task because it cannot determine the correct type based on JSON object analysis. On the contrary, we need:

Inherit the JSONCONVERRTER and rewrite the Readjson method.

Create an abstract Create method, which accepts a jobject (representing JSON object).

ReadJson method will:

JSON parsed as jobject.

Create method and pass in jobject.

Create method will:

Analysis of the correct type to analyze the correct type according to the existence or existence of specific fields.

Return to the corresponding type of instance.

Example
2. Consider the following JSON:

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