/// <summary>
    /// 序列化標(biao)識特性
    /// </summary>
    [AttributeUsageAttribute(AttributeTargets.Property)]
    public abstract class SerializationFilterAttribute : Attribute
    {

    }

 public class B2CAttribute : SerializationFilterAttribute
 {
 }

 public class C2CAttribute : SerializationFilterAttribute
 {
 }

public class PeopleDTO
{
        [C2CAttribute, B2CAttribute]
        public FullNameDTO Name { get; set; }
        [B2CAttribute]
        public string Email { get; set; }
        public DateTime CreateTime { get; set; }
}

       public static string SerializeToJson<T>(T obj, SerializationFilterAttribute filter)
        {
            dynamic d = new System.Dynamic.ExpandoObject();
            foreach (var item in typeof(T).GetProperties())
            {
                if (item.GetCustomAttributes(false).Contains(filter))
                {
                    (d as System.Collections.Generic.ICollection<System.Collections.Generic.KeyValuePair<string, object>>).Add(new System.Collections.Generic.KeyValuePair<string, object>(item.Name, item.GetValue(obj)));
                }
            }
            var settings = new JsonSerializerSettings { TypeNameHandling = TypeNameHandling.All };
            return JsonConvert.SerializeObject(d);
        }

           PeopleDTO peopleDTO = new PeopleDTO
            {
                Name = new FullNameDTO { LastName = "zhanling", FirstName = "zhang", ChinaName = "張(zhang)占嶺" },
                Email = "zhangsan@sina.com",
                CreateTime = DateTime.Now
            };
            var msg1 = SerializationHelper.SerializeToJson(peopleDTO, new B2CAttribute());

{
　　"Name":{
　　　　"LastName":"zhanling",
　　　　"ChinaName":"張占嶺"
　　},
　　"Email":"zhangsan@sina.com"
}