與JsonIgnore摘要屬性被序列化（Json.NET）

Question

我有以下設置：

public abstract class A 
{ 
    [JsonIgnore] 
    public abstract Type Foo { get; } 
} 

public abstract class B : A 
{ 
    public override Type Foo { get { return typeof(D); } } 
} 

public class C : B 
{ 
} 

public abstract class D 
{ 
} 

我的問題是，當我通過以下序列C的實例：

JsonConvert.SerializeObject(instanceOfC, serializationSettings)); 

生成的JSON包含屬性Foo的條目。這是預期的結果嗎？

我serializationSettings如下：

JsonSerializerSettings _serializationSettings = new JsonSerializerSettings 
{ 
    PreserveReferencesHandling = PreserveReferencesHandling.Objects, 
    ReferenceLoopHandling = ReferenceLoopHandling.Serialize, 
    TypeNameHandling = TypeNameHandling.All, 
    ConstructorHandling = ConstructorHandling.AllowNonPublicDefaultConstructor 
}; 

編輯：使用Json.NET 6.0.0和.NET 4.5。

Answer 1

我有同樣的問題，我已經通過指定這樣JsonSerializerSettings的「ContractResolver」屬性（初始化所有必要的屬性你）解決它：

var settings = new JsonSerializerSettings 
     { 
      Formatting = Formatting.None, 
      ContractResolver = new PublicNotInternalPropertiesCamelCaseContractResolver() 

     }; 

這裏是我的PublicNotInternalPropertiesCamelCaseContractResolver：

public class PublicNotInternalPropertiesCamelCaseContractResolver : CamelCasePropertyNamesContractResolver 
{ 
    #region Overrides of DefaultContractResolver 

    protected override List<MemberInfo> GetSerializableMembers(Type objectType) 
    { 
     var members = base 
      .GetSerializableMembers(objectType) 
      .Where(m => m.GetCustomAttribute<InternalAttribute>() == null) 
      .ToList(); 

     return members; 
    } 

    #endregion 
} 

我不得不創建屬性「InternalAttribute」，因爲該解決方案不符合JsonIgnoreAttribute出於某些原因工作：

public class InternalAttribute : Attribute 
{ 

} 

我用它是這樣的：

public abstract class RavenDbEntity 
{ 
    private string _dbKey; 

    [Internal] 
    public string DbKey 
    { 
     get { return _dbKey; } 
     set 
     { 
      _dbKey = value; 
      Id = int.Parse(value.Split('/')[1]); 
     } 
    } 

    public int Id { get; set; } 
} 

所以輸出JSON將不DBKEY財產