Arrays JArray中的筛选器和组属性
我从API接收到一个数组,如下所示:Arrays JArray中的筛选器和组属性,arrays,json,json.net,Arrays,Json,Json.net,我从API接收到一个数组,如下所示: [ { "uniqueId": "Env30362", "field": "StartDate", "value": "1999-01-01", "modificationDateTime": "2020-12-12T04:10:55.09
[
{
"uniqueId": "Env30362",
"field": "StartDate",
"value": "1999-01-01",
"modificationDateTime": "2020-12-12T04:10:55.0970000Z",
"modificationState": "Created"
},
{
"uniqueId": "Env30362",
"field": "EndDate",
"value": "2020-01-01",
"modificationDateTime": "2020-12-12T04:10:55.0970000Z",
"modificationState": "Created"
},
{
"uniqueId": "Env30363",
"field": "AnnualIncentiveCurrency",
"value": "EUR",
"modificationDateTime": "2020-12-06T04:10:52.0970000Z",
"modificationState": "Created"
},
{
"uniqueId": "Env30363",
"field": "NatureOfContract",
"value": "Permanent",
"modificationDateTime": "2020-12-06T04:10:52.0970000Z",
"modificationState": "Created"
},
{
"uniqueId": "Env30363",
"field": "FinalProcessDate",
"value": "2020-12-01",
"modificationDateTime": "2020-12-06T04:10:52.0970000Z",
"modificationState": "Created"
},
{
"uniqueId": "Env30362",
"field": "Currency",
"value": "EUR",
"modificationDateTime": "2020-12-13T04:10:55.0970000Z",
"modificationState": "Changed"
},
{
"uniqueId": "Env30362",
"field": "Status",
"value": "Active",
"modificationDateTime": "2020-12-13T04:10:55.0970000Z",
"modificationState": "Changed"
},
{
"uniqueId": "Env30363",
"field": "DateOfBirth",
"value": "1980-12-01",
"modificationDateTime": "2020-12-10T04:10:52.0970000Z",
"modificationState": "Changed"
},
{
"uniqueId": "Env30363",
"field": "HiringReason",
"value": "Growth",
"modificationDateTime": "2020-12-10T04:10:52.0970000Z",
"modificationState": "Changed"
}
]
我想根据uniqueId
和modificationState
对字段进行筛选和分组,以便我可以创建一个新的JObject
,其中包含与创建/更改相关的所有字段和值。我对Linq尝试了不同的方法,但我没有找到一种方法在JToken的IEnumerable
上使用多个where
子句
期望输出:
{
"uniqueId": "Env30363",
"modificationState": "Created"
"finalProcessDate": "2020-12-01",
"modificationDateTime": "2020-12-06T04:10:52.0970000Z",
"natureOfContract": "Permanent",
"annualIncentiveCurrency" : "EUR"
}
{
"uniqueId": "Env30363",
"modificationState": "Changed"
"modificationDateTime": "2020-12-10T04:10:52.0970000Z",
"hiringReason": "growth",
"dateOfBirth" : "1980-12-01"
}
{
"uniqueId": "Env30362",
"modificationState": "Created",
"modificationDateTime": "2020-12-12T04:10:55.0970000Z",
"endDate": "2020-01-01",
"startDate" : "1999-01-01"
}
{
"uniqueId": "Env30362",
"modificationState": "Changed",
"modificationDateTime": "2020-12-13T04:10:55.0970000Z",
"currency" : "EUR",
"status": "Active"
}
使用NewtonSoft.Json如何实现这一点?根据您问题中的信息,您似乎想要这样的东西(我假设是C,因为您的问题没有指定语言):
JArray数组=JArray.Parse(json);
var camel=新的CamelCaseNamingStrategy();
JArray transformedArray=新JArray(
array.Children()
.GroupBy(jo=>new
{
UniqueId=(字符串)jo[“UniqueId”],
ModificationState=(字符串)jo[“ModificationState”],
ModificationDateTime=(DateTime)jo[“ModificationDateTime”]
})
.OrderBy(g=>g.Key.ModificationDateTime)
.ThenByDescending(g=>g.Key.ModificationState)//如果是同一时间,则在更改之前创建put
.ThenBy(g=>g.Key.UniqueId)
.选择(g=>newjobject(
新JProperty(“uniqueId”,g.Key.uniqueId),
新的JProperty(“modificationState”,g.Key.modificationState),
新的JProperty(“modificationDateTime”,g.Key.modificationDateTime),
g、 选择(jo=>newJProperty(camel.GetPropertyName((string)jo[“field”],false),jo[“value”]))
))
);
这将为您提供具有新格式的JObjects
的新JArray
这是一个有效的演示:根据您问题中的信息,您似乎想要这样的东西(我假设是C,因为您的问题没有指定语言): JArray数组=JArray.Parse(json); var camel=新的CamelCaseNamingStrategy(); JArray transformedArray=新JArray( array.Children() .GroupBy(jo=>new { UniqueId=(字符串)jo[“UniqueId”], ModificationState=(字符串)jo[“ModificationState”], ModificationDateTime=(DateTime)jo[“ModificationDateTime”] }) .OrderBy(g=>g.Key.ModificationDateTime) .ThenByDescending(g=>g.Key.ModificationState)//如果是同一时间,则在更改之前创建put .ThenBy(g=>g.Key.UniqueId) .选择(g=>newjobject( 新JProperty(“uniqueId”,g.Key.uniqueId), 新的JProperty(“modificationState”,g.Key.modificationState), 新的JProperty(“modificationDateTime”,g.Key.modificationDateTime), g、 选择(jo=>newJProperty(camel.GetPropertyName((string)jo[“field”],false),jo[“value”])) )) ); 这将为您提供具有新格式的
JObjects
的新JArray
这里是一个有效的演示:我已经尝试了使用Linq的不同方法,但我还没有找到一种在JToken的IEnumerable上使用多个where子句的方法-那么您能否请您的问题包括一个显示哪些不起作用的方法?目前还不清楚输入应该如何转换为输出,特别是因为输出缺少外部的[
和]
括号,甚至不是格式良好的JSON。我尝试过使用Linq的不同方法,但我还没有找到一种在JToken的IEnumerable上使用多个where子句的方法-那么你能不能请你的问题包括一个显示哪些不起作用的方法?目前还不清楚输入应该如何转换为输出,特别是因为缺少外部括号的输出甚至不是格式良好的JSON。
JArray array = JArray.Parse(json);
var camel = new CamelCaseNamingStrategy();
JArray transformedArray = new JArray(
array.Children<JObject>()
.GroupBy(jo => new
{
UniqueId = (string)jo["uniqueId"],
ModificationState = (string)jo["modificationState"],
ModificationDateTime = (DateTime)jo["modificationDateTime"]
})
.OrderBy(g => g.Key.ModificationDateTime)
.ThenByDescending(g => g.Key.ModificationState) // if same time, put Created before Changed
.ThenBy(g => g.Key.UniqueId)
.Select(g => new JObject(
new JProperty("uniqueId", g.Key.UniqueId),
new JProperty("modificationState", g.Key.ModificationState),
new JProperty("modificationDateTime", g.Key.ModificationDateTime),
g.Select(jo => new JProperty(camel.GetPropertyName((string)jo["field"], false), jo["value"]))
))
);