如何从 JObject 获取值

Question

我想将 Pipedrive 与 Dynamics CRM 集成。每当交易在 Pipedrive 中更新时，我都会调用 webhook。我正在获取 JObject 形式的数据。我想从中提取两个字段。一个是状态，另一个是 title.How 我可以这样做吗？

调用 Webhook 的代码：

 [RoutePrefix("api/webhook")]
public class WebhookController : ApiController
{
    [HttpPost]
    [Route("")]
    public void Post(JObject message)
    {
        Console.WriteLine($"Received webhook: {message}");            
    }
}

Json 我得到的是：

{
  "v":1,
  "matches_filters":{
    "current":[

    ]
  },
  "meta":{
    "v":1,
    "action":"updated",
    "object":"deal",
    "id":1,
    "company_id":2278508,
    "user_id":3371496,
    "host":"agniket.pipedrive.com",
    "timestamp":1512620040,
    "timestamp_micro":1512620040475200,
    "permitted_user_ids":[
      3371496
    ],
    "trans_pending":false,
    "is_bulk_update":false,
    "pipedrive_service_name":false,
    "matches_filters":{
      "current":[

      ]
    },
    "webhook_id":"31814"
  },
  "current":{
    "id":1,
    "public_id":null,
    "creator_user_id":3371496,
    "user_id":3371496,
    "person_id":1,
    "org_id":null,
    "stage_id":1,
    "title":"vaishali deal",
    "value":0,
    "currency":"INR",
    "add_time":"2017-12-04 04:44:15",
    "update_time":"2017-12-07 04:14:00",
    "stage_change_time":null,
    "active":false,
    "deleted":false,
    "status":"won",
    "probability":null,
    "next_activity_date":null,
    "next_activity_time":null,
    "next_activity_id":null,
    "last_activity_id":null,
    "last_activity_date":null,
    "lost_reason":null,
    "visible_to":"3",
    "close_time":"2017-12-07 04:14:00",
    "pipeline_id":1,
    "won_time":"2017-12-07 04:14:00",
    "first_won_time":"2017-12-07 04:14:00",
    "lost_time":null,
    "products_count":0,
    "files_count":0,
    "notes_count":0,
    "followers_count":1,
    "email_messages_count":0,
    "activities_count":0,
    "done_activities_count":0,
    "undone_activities_count":0,
    "reference_activities_count":0,
    "participants_count":1,
    "expected_close_date":null,
    "last_incoming_mail_time":null,
    "last_outgoing_mail_time":null,
    "stage_order_nr":1,
    "person_name":"vaishali",
    "org_name":null,
    "next_activity_subject":null,
    "next_activity_type":null,
    "next_activity_duration":null,
    "next_activity_note":null,
    "formatted_value":"₹0",
    "rotten_time":null,
    "weighted_value":0,
    "formatted_weighted_value":"₹0",
    "owner_name":"riya dalvi",
    "cc_email":"agniket+deal1@pipedrivemail.com",
    "org_hidden":false,
    "person_hidden":false
  },
  "previous":{
    "id":1,
    "public_id":null,
    "creator_user_id":3371496,
    "user_id":3371496,
    "person_id":1,
    "org_id":null,
    "stage_id":1,
    "title":"vaishali deal",
    "value":0,
    "currency":"INR",
    "add_time":"2017-12-04 04:44:15",
    "update_time":"2017-12-04 06:33:56",
    "stage_change_time":null,
    "active":true,
    "deleted":false,
    "status":"open",
    "probability":null,
    "next_activity_date":null,
    "next_activity_time":null,
    "next_activity_id":null,
    "last_activity_id":null,
    "last_activity_date":null,
    "lost_reason":null,
    "visible_to":"3",
    "close_time":null,
    "pipeline_id":1,
    "won_time":null,
    "first_won_time":null,
    "lost_time":null,
    "products_count":0,
    "files_count":0,
    "notes_count":0,
    "followers_count":1,
    "email_messages_count":0,
    "activities_count":0,
    "done_activities_count":0,
    "undone_activities_count":0,
    "reference_activities_count":0,
    "participants_count":1,
    "expected_close_date":null,
    "last_incoming_mail_time":null,
    "last_outgoing_mail_time":null,
    "stage_order_nr":1,
    "person_name":"vaishali",
    "org_name":null,
    "next_activity_subject":null,
    "next_activity_type":null,
    "next_activity_duration":null,
    "next_activity_note":null,
    "formatted_value":"₹0",
    "rotten_time":null,
    "weighted_value":0,
    "formatted_weighted_value":"₹0",
    "owner_name":"riya dalvi",
    "cc_email":"agniket+deal1@pipedrivemail.com",
    "org_hidden":false,
    "person_hidden":false
  },
  "event":"updated.deal",
  "retry":0
}

Answer 1

你可以这样试试；

[HttpPost]
[Route("")]
public void Post(JObject message)
{
    var dynamicMessage = (dynamic)message;
    var status = dynamicMessage.status;
    var title = dynamicMessage.title;            
}

Answer 2

如果是常规 HTTP 调用，您可以使用内置的 JSON 模型绑定器。尝试将您的 JObject 更改为代表您的消息的 class，例如：（更新结构以提供 JSON 表示）

public class Message 
{
    public Current Current { get; set; }
}   

public class Current 
{
    public string Status { get; set; }
    public string Title { get; set; }
}

并在您的 WebHook:

中使用它

[RoutePrefix("api/webhook")]
public class WebhookController : ApiController
{
    [HttpPost]
    [Route("")]
    public void Post(Message message)
    {
        Console.WriteLine($"Received webhook: {message.Current.Title} {message.Current.Status}");            
    }
}

Answer 3

我会用SelectToken. You can specify a JSONPath来达到目标值。假设您想要 current 状态和头衔，您会这样做：

string status = (string)message.SelectToken("current.status");
string title = (string)message.SelectToken("current.title");

如果您想要之前的状态和头衔，请改用previous.status和previous.title。

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