transform a JObject to a Dictionary ( for IDictionary/IEnumerable)

JobjectExtension.c#

using System;
using System.Linq;
using System.Collections.Generic;


/// <summary>  
/// JObject扩展
/// </summary>  
public static class JObjectExtensions
{
    /// <summary>  
    /// 将JObject转化成字典  
    /// </summary>  
    /// <param name="json"></param>  
    /// <returns></returns>  
    public static IDictionary<string, object> ToDictionary(this JToken json)
    {
        var propertyValuePairs = json.ToObject<Dictionary<string, object>>();
        ProcessJObjectProperties(propertyValuePairs);
        ProcessJArrayProperties(propertyValuePairs);
        return propertyValuePairs;
    }

    private static void ProcessJObjectProperties(IDictionary<string, object> propertyValuePairs)
    {
        var objectPropertyNames = (from property in propertyValuePairs
                                   let propertyName = property.Key
                                   let value = property.Value
                                   where value is JObject
                                   select propertyName).ToList();

        objectPropertyNames.ForEach(propertyName => propertyValuePairs[propertyName] = ToDictionary((JObject)propertyValuePairs[propertyName]));
    }

    private static void ProcessJArrayProperties(IDictionary<string, object> propertyValuePairs)
    {
        var arrayPropertyNames = (from property in propertyValuePairs
                                  let propertyName = property.Key
                                  let value = property.Value
                                  where value is JArray
                                  select propertyName).ToList();

        arrayPropertyNames.ForEach(propertyName => propertyValuePairs[propertyName] = ToArray((JArray)propertyValuePairs[propertyName]));
    }

    /// <summary>  
    /// 数据项转换到数组
    /// </summary>  
    /// <param name="array"></param>  
    /// <returns></returns>  
    public static object[] ToArray(this JArray array)
    {
        return array.ToObject<object[]>().Select(ProcessArrayEntry).ToArray();
    }

    private static object ProcessArrayEntry(object value)
    {
        switch (value)
        {
            case JObject _:
                return ToDictionary((JObject)value);
            case JArray _:
                return ToArray((JArray)value);
            default:
                return value;
        }
    }
}