SendGrid：不填充对象的电子邮件活动API JSON响应的反序列化

Question

我正在使用RestSharp RestClient调用SendGrid的Email Activity API，它正在通过标准JSON响应正确返回数据。

但是，我想将其反序列化为C＃对象，因为使用它比使用原始JSON字符串要容易得多。因此，我创建了一个C＃类，该类具有JSON响应中每个字段的公共属性，并为它们添加了与JSON字段完全相同的名称。

但是当我调用JsonDeserializer（）。Deserialize>（response）时，虽然没有错误/异常，但是对象中的所有字段均为NULL。

任何想法有什么问题？ （您可以直接删除“ EventType”引用，因为在这里它并不重要）。相关代码如下。

我正在使用RestSharp v106.6.10.0和Newtonsoft.Json v9.0.0.0（后者可能较旧，但这是我们通常使用的库）。项目是.NET v4.6.1

    private void QuerySendGridForEmailActivity(EventType eventType)
    {
string query = string.Empty;

RestClient client = null;//new RestClient(emailActivityEndpoint);
RestRequest request = new RestRequest(Method.GET);

request.AddHeader("Authorization", "Bearer " + apiKey);
request.AddParameter("limit", "1000");

if (eventType == EventType.Opens)
{
    //    request.AddParameter("query", WebUtility.UrlEncode("(Contains(events,\"open\"))"));

    client = new RestClient(emailActivityEndpoint + "?limit=10&query=" + System.Web.HttpUtility.UrlPathEncode("(Contains(events,\"open\"))"));
}

IRestResponse response = client.Execute(request);


if (response != null && response.StatusCode == HttpStatusCode.OK)
{
    this.emailActivityEvents = new JsonDeserializer().Deserialize<List<EmailActivityEvent>>(response);

    int i = 0;

}
else
{

}
    }

    public class EmailActivityEvent
    {
[DeserializeAs(Name = "from_email")]
public string FromEmail { get;set; }

[DeserializeAs(Name = "msg_id")]
public string MessageId { get; set; }

[DeserializeAs(Name = "subject")]
public string Subject { get; set; }

[DeserializeAs(Name = "to_email")]
public string ToEmail { get; set; }

[DeserializeAs(Name = "status")]
public string Status { get; set; }

[DeserializeAs(Name = "opens_count")]
public int OpensCount { get; set; }

[DeserializeAs(Name = "clicks_count")]
public int ClicksCount { get; set; }

[DeserializeAs(Name = "last_event_time")]
public DateTime LastEventTime { get; set; }
    }

Answer 1

[好，我应该早点得到这个，但我认为我不需要这样做。

我必须添加另一个名为“ EmailActivity”的类，该类仅具有电子邮件事件的List <>，并带有反序列化注释，该注释与JSON中项目的实际名称匹配。像这样：

public class EmailActivity
    {
        [DeserializeAs(Name = "messages")]
        public List<EmailActivityEvent> Events { get; set; }
    }

然后只需将反序列化调用对此稍作调整：

var emailActivity = new JsonDeserializer().Deserialize<EmailActivity>(response);

然后做到了。 h。

仅供参考，返回的JSON格式如下：

{"messages":
[{
    "from_email":"[email protected]",
    "msg_id":"msgid",
    "subject":"Test",
    "to_email":"[email protected]",
    "status":"delivered",
    "opens_count":0,
    "clicks_count":0,
    "last_event_time":"2019-11-26T20:30:02Z"
},
{
    "from_email":"[email protected]",
    "msg_id":"msgid",
    "subject":"Test",
    "to_email":"[email protected]",
    "status":"delivered",
    "opens_count":0,
    "clicks_count":0,
    "last_event_time":"2019-11-26T20:30:01Z"
},
{
    "from_email":"[email protected]",
    "msg_id":"msgid",
    "subject":"Test",
    "to_email":"[email protected]",
    "status":"delivered",
    "opens_count":0,
    "clicks_count":0,
    "last_event_time":"2019-11-25T22:06:25Z"
}
]}

感谢您的评论！