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json：

{'name': 'John Doe','age': 30,'isEmployee': true,'address': {'street': '123 Main St','city': 'Anytown','state': 'CA'},'hobbies': ['reading', 'gaming', 'sports']}

program：

using Newtonsoft.Json.Schema;
using Newtonsoft.Json.Linq;
using System;class Program
{static void Main(){string jsonString = @"{'name': 'John Doe','age': 30,'isEmployee': true,'address': {'street': '123 Main St','city': 'Anytown','state': 'CA'},'hobbies': ['reading', 'gaming', 'sports']}";JToken jsonToken = JToken.Parse(jsonString);JSchema schema = GenerateSchema(jsonToken);string schemaJson = schema.ToString();Console.WriteLine(schemaJson);}static JSchema GenerateSchema(JToken token){JSchema schema = new JSchema();switch (token.Type){case JTokenType.Object:schema.Type = JSchemaType.Object;var requiredProperties = new List<string>();foreach (var property in token.Children<JProperty>()){var propertySchema = GenerateSchema(property.Value);schema.Properties[property.Name] = propertySchema;if (property.Value.Type != JTokenType.Null) // 假设非null属性是必需的{schema.Required.Add(property.Name);}}break;case JTokenType.Array:schema.Type = JSchemaType.Array;foreach (var item in token){var itemSchema = GenerateSchema(item);schema.Items.Add(itemSchema);}break;case JTokenType.String:schema.Type = JSchemaType.String;break;case JTokenType.Integer:schema.Type = JSchemaType.Integer;break;case JTokenType.Float:schema.Type = JSchemaType.Number;break;case JTokenType.Boolean:schema.Type = JSchemaType.Boolean;break;case JTokenType.Null:schema.Type = JSchemaType.Null;break;default:schema.Type = JSchemaType.Object;break;}return schema;}
}

output：

{
  "type": "object",
  "properties": {
    "name": {
      "type": "string"
    },
    "age": {
      "type": "integer"
    },
    "isEmployee": {
      "type": "boolean"
    },
    "address": {
      "type": "object",
      "properties": {
        "street": {
          "type": "string"
        },
        "city": {
          "type": "string"
        },
        "state": {
          "type": "string"
        }
      },
      "required": [
        "street",
        "city",
        "state"
      ]
    },
    "hobbies": {
      "type": "array",
      "items": {
        "type": "string"
      }
    }
  },
  "required": [
    "name",
    "age",
    "isEmployee",
    "address",
    "hobbies"
  ]
}