使用Json.Net反序列化嵌套对象

{
  "name": "John",
  "age": 30,
  "address": {
    "street": "123 Main St",
    "city": "New York",
    "state": "NY"
  }
}

public class Person
{
    public string Name { get; set; }
    public int Age { get; set; }
    public Address Address { get; set; }
}

public class Address
{
    public string Street { get; set; }
    public string City { get; set; }
    public string State { get; set; }
}

string json = "{\"name\":\"John\",\"age\":30,\"address\":{\"street\":\"123 Main St\",\"city\":\"New York\",\"state\":\"NY\"}}";
Person person = JsonConvert.DeserializeObject<Person>(json);

string name = person.Name; // "John"
int age = person.Age; // 30
string street = person.Address.Street; // "123 Main St"
string city = person.Address.City; // "New York"
string state = person.Address.State; // "NY"