如何在使用JSON.Net进行序列化期间有条件地忽略字段和属性？我不能继承，JsonIgnoreAttribute因为它是一个sealed类。我该怎么办？
我找到了答案。我继承JsonConverter并创建一个新的转换器。
public class CustomJsonConverter : JsonConverter
{
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
var list = (IList)value;
JArray s = new JArray();
foreach (var item in list)
{
JToken token = JToken.FromObject(item);
JObject obj = new JObject();
foreach (JProperty prop in token)
{
if (prop.Name != "Title") // your logic here
obj.Add(prop);
}
s.Add(obj);
}
s.WriteTo(writer);
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
throw new NotImplementedException("Unnecessary because CanRead is false. The type will skip the converter.");
}
public override bool CanRead
{
get { return false; }
}
public override bool CanConvert(Type objectType)
{
return objectType != typeof(IList);
}
}
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