[英]Remove all occurrences of a particular key from a JSON response in C#
我有一個 JSON 字符串,我想從中消除給定鍵的所有出現。
JSON 我有:
string requstBody =
{
"payLoad": [
{
"BaseVersionId_": 9,
"VersionId_": 10,
"AssetCollateralLink": [
{
"AssetId": 137,
"BaseVersionId_": 9,
"VersionId_": 10
},
{
"AssetId": 136,
"BaseVersionId_": 0,
"VersionId_": 1
}
],
"CollateralProvider": [],
"AdvCollateralAllocation": [
{
"LinkId": 91,
"IsDeleted_": false,
"BaseVersionId_": 1,
"VersionId_": 2
}
]
}
]
}
我想消除鍵“BaseVersionID_”和“VersionId_”,如下所示:
string requstBody =
{
"payLoad": [
{
"AssetCollateralLink": [
{
"AssetId": 137
},
{
"AssetId": 136
}
],
"CollateralProvider": [],
"AdvCollateralAllocation": [
{
"LinkId": 91,
"IsDeleted_": false
}
]
}
]
}
我使用了 JObject.Remove(); 如下
JObject sampleObj1 = new JObject();
sampleObj1 = JsonHelper.JsonParse(requestBody);
sampleObj1.Remove("BaseVersionId_");
但只能刪除payLoad Hierarchy下的鍵。 如何刪除所有出現的密鑰。
可以從Json
刪除所需的屬性,只需使用 Linq:
var jsonObj = JObject.Parse(requestBody);
jsonObj.SelectToken("payLoad[0]").SelectToken("AdvCollateralAllocation")
.Select(jt => (JObject)jt)
.ToList()
.ForEach(r =>
r
.Properties()
.ToList()
.ForEach(e =>
{
if (e.Name == "BaseVersionId_" || e.Name == "VersionId_")
e.Remove();
}));
結果jsonObj
將沒有BaseVersionId_
和VersionId_
名稱及其值。
我會像這樣使用 JsonPath:
var toRemove = jsonObject
.SelectTokens("$.payLoad.[*].AssetCollateralLink.[*]..BaseVersionId_")
.Concat(stuff.SelectTokens("$.payLoad.[*].AssetCollateralLink.[*]..VersionId_"))
.Concat(stuff.SelectTokens("$.payLoad.[*].AdvCollateralAllocation.[*]..VersionId_"))
.Concat(stuff.SelectTokens("$.payLoad.[*].AdvCollateralAllocation.[*]..BaseVersionId_"))
.ToList();
for (int i = toRemove.Count - 1; i >= 0; i--)
{
toRemove[i].Parent?.Remove();
}
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.