json 如何在反序列化过程中删除动态类型的属性中的“双大括号{{}}”(ASp.Net Core MVC)

vs3odd8k 于 2022-12-01 发布在 .NET

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当反序列化一个字符串时，大括号是重复的，这干扰了一些字段的读取。我已经尝试了所有的方法，但是我不能正确地序列化，没有重复的大括号。
我已经试过这样做了：

dynamic values = JsonConvert.DeserializeObject<dynamic>(storedEvent.Data);

storedEvent.data属性的类型为字符串，它包含以下信息：

"{\"PaisId\":31,\"PaisDivisaoAdministrativaNivelRemovedEventList\":[{\"Id\":6,\"PaisId\":31,\"PaisNomePtBr\":\"\",\"PaisDivisaoAdministrativaTipoId\":5,\"PaisDivisaoAdministrativaTipoNome\":\"Município\",\"PaisDivisaoAdministrativaTipoOrigemId\":5,\"Timestamp\":\"2022-11-24T20:16:15.6020289-03:00\",\"MessageType\":\"PaisDivisaoAdministrativaNivelRemovedEvent\",\"AggregateId\":6},{\"Id\":5,\"PaisId\":31,\"PaisNomePtBr\":\"\",\"PaisDivisaoAdministrativaTipoId\":1,\"PaisDivisaoAdministrativaTipoNome\":\"Estado\",\"PaisDivisaoAdministrativaTipoOrigemId\":null,\"Timestamp\":\"2022-11-24T20:16:15.6580242-03:00\",\"MessageType\":\"PaisDivisaoAdministrativaNivelRemovedEvent\",\"AggregateId\":5}],\"Timestamp\":\"2022-11-24T20:16:16.1892039-03:00\",\"MessageType\":\"PaisDivisaoAdministrativaNivelHierarquiasRemovedEvent\",\"AggregateId\":31}"

获得的结果（重复的大括号）：

{{
  "PaisId": 31,
  "PaisDivisaoAdministrativaNivelRemovedEventList": [
    {
      "Id": 6,
      "PaisId": 31,
      "PaisNomePtBr": "",
      "PaisDivisaoAdministrativaTipoId": 5,
      "PaisDivisaoAdministrativaTipoNome": "Município",
      "PaisDivisaoAdministrativaTipoOrigemId": 5,
      "Timestamp": "2022-11-24T20:16:15.6020289-03:00",
      "MessageType": "PaisDivisaoAdministrativaNivelRemovedEvent",
      "AggregateId": 6
    },
    {
      "Id": 5,
      "PaisId": 31,
      "PaisNomePtBr": "",
      "PaisDivisaoAdministrativaTipoId": 1,
      "PaisDivisaoAdministrativaTipoNome": "Estado",
      "PaisDivisaoAdministrativaTipoOrigemId": null,
      "Timestamp": "2022-11-24T20:16:15.6580242-03:00",
      "MessageType": "PaisDivisaoAdministrativaNivelRemovedEvent",
      "AggregateId": 5
    }
  ],
  "Timestamp": "2022-11-24T20:16:16.1892039-03:00",
  "MessageType": "PaisDivisaoAdministrativaNivelHierarquiasRemovedEvent",
  "AggregateId": 31
}}

预期值：

{
  "PaisId": 31,
  "PaisDivisaoAdministrativaNivelRemovedEventList": [
    {
      "Id": 6,
      "PaisId": 31,
      "PaisNomePtBr": "",
      "PaisDivisaoAdministrativaTipoId": 5,
      "PaisDivisaoAdministrativaTipoNome": "Município",
      "PaisDivisaoAdministrativaTipoOrigemId": 5,
      "Timestamp": "2022-11-24T20:16:15.6020289-03:00",
      "MessageType": "PaisDivisaoAdministrativaNivelRemovedEvent",
      "AggregateId": 6
    },
    {
      "Id": 5,
      "PaisId": 31,
      "PaisNomePtBr": "",
      "PaisDivisaoAdministrativaTipoId": 1,
      "PaisDivisaoAdministrativaTipoNome": "Estado",
      "PaisDivisaoAdministrativaTipoOrigemId": null,
      "Timestamp": "2022-11-24T20:16:15.6580242-03:00",
      "MessageType": "PaisDivisaoAdministrativaNivelRemovedEvent",
      "AggregateId": 5
    }
  ],
  "Timestamp": "2022-11-24T20:16:16.1892039-03:00",
  "MessageType": "PaisDivisaoAdministrativaNivelHierarquiasRemovedEvent",
  "AggregateId": 31
}

有人知道解决办法吗？

JSON

来源：https://stackoverflow.com/questions/74581249/how-to-remove-double-braces-in-a-property-of-dynamic-type-during-deserial

2条答案

按热度按时间

nzk0hqpo1#

使用dynamic不是动态使用Json objects的好方法。为此，可以按如下方式使用Jobject

using Newtonsoft.Json.Linq;


string jsonStr= "{\"PaisId\":31,\"PaisDivisaoAdministrativaNivelRemovedEventList\":[{\"Id\":6,\"PaisId\":31,\"PaisNomePtBr\":\"\",\"PaisDivisaoAdministrativaTipoId\":5,\"PaisDivisaoAdministrativaTipoNome\":\"Município\",\"PaisDivisaoAdministrativaTipoOrigemId\":5,\"Timestamp\":\"2022-11-24T20:16:15.6020289-03:00\",\"MessageType\":\"PaisDivisaoAdministrativaNivelRemovedEvent\",\"AggregateId\":6},{\"Id\":5,\"PaisId\":31,\"PaisNomePtBr\":\"\",\"PaisDivisaoAdministrativaTipoId\":1,\"PaisDivisaoAdministrativaTipoNome\":\"Estado\",\"PaisDivisaoAdministrativaTipoOrigemId\":null,\"Timestamp\":\"2022-11-24T20:16:15.6580242-03:00\",\"MessageType\":\"PaisDivisaoAdministrativaNivelRemovedEvent\",\"AggregateId\":5}],\"Timestamp\":\"2022-11-24T20:16:16.1892039-03:00\",\"MessageType\":\"PaisDivisaoAdministrativaNivelHierarquiasRemovedEvent\",\"AggregateId\":31}";

var obj = JObject.Parse(jsonStr);

//access properties
var paisId = obj["PaisId"];

//Access to PaisDivisaoAdministrativaNivelRemovedEventList
var paisList = obj["PaisDivisaoAdministrativaNivelRemovedEventList"].ToList();

//search on PaisDivisaoAdministrativaNivelRemovedEventList
var result = paisList.FirstOrDefault(x => (int)x["Id"] == 6);

赞(0）回复(0）举报 2022-12-01

a64a0gku2#

你必须修复返回双大括号字符串的代码。如果你没有访问这段代码的权限，摆脱双大括号的唯一方法是使用字符串函数

storedEvent.Data=storedEvent.Data.Substring(1,Data.Length-2);

在这之后，如果你喜欢的话，你可以使用你的代码，但是我不喜欢动态的，恕我直言，最好使用Parse和sqware brackets来获取数据。

赞(0）回复(0）举报 2022-12-01

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json 如何在反序列化过程中删除动态类型的属性中的“双大括号{{}}”(ASp.Net Core MVC)

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