使用JSON将RootNode复制到ChildNode

Question

我收到了来自Firebase的以下回复。我需要将自动生成的根节点复制为子节点。

const firebase = require('firebase-admin');

var serviceAccountSource = require("./source.json");
var serviceAccountDestination = require("./destination.json");

const sourceAdmin = firebase.initializeApp({
    credential: firebase.credential.cert(serviceAccountSource),
    databaseURL: "https://**********.firebaseio.com" // replace with source
});

const destinationAdmin = firebase.initializeApp({
    credential: firebase.credential.cert(serviceAccountDestination),
    databaseURL: "https://$$$$$.firebaseio.com"
  }, "destination");

const collections = [ "books", "authors",   ...]; // replace with your collections

    var source = sourceAdmin.firestore();
    var destination = destinationAdmin.firestore();
   collections.forEach(colName => {
    source.collection(colName).get().then(function(querySnapshot) {
        querySnapshot.forEach(function(doc) {
            destination.collection(colName).doc(doc.id).set({...doc.data()});
        });
    });
   });

预期产量

{
"-LcjpjUB1ucnzDabnHa9": {
    "CustomerId": "9ff2a33e-815e-4d24-9985-2905c3460d8d",
    "DateTime": "4/18/2019 3:16:11 PM",
    "Id": "b59692a0-7fde-4132-aad7-d18a1aad690d",
    "OrderId": 11
},
"-Lcjs_DeDR8Q7kbuAdLo": {
    "CustomerId": "9ff2a33e-815e-4d24-9985-2905c3460d8d",
    "DateTime": "4/18/2019 3:28:33 PM",
    "Id": "be676d81-fa3f-4caa-8ea3-b921a705a09a",
    "OrderId": 12
}
}

我使用以下方法将FireBaseResponse字符串转换为上述模型 { "-LcjpjUB1ucnzDabnHa9": { "AutoId":"-LcjpjUB1ucnzDabnHa9", "CustomerId": "9ff2a33e-815e-4d24-9985-2905c3460d8d", "DateTime": "4/18/2019 3:16:11 PM", "Id": "b59692a0-7fde-4132-aad7-d18a1aad690d", "OrderId": 11 }, "-Lcjs_DeDR8Q7kbuAdLo": { "AutoId":"-Lcjs_DeDR8Q7kbuAdLo", "CustomerId": "9ff2a33e-815e-4d24-9985-2905c3460d8d", "DateTime": "4/18/2019 3:28:33 PM", "Id": "be676d81-fa3f-4caa-8ea3-b921a705a09a", "OrderId": 12 } }

我该如何实现？

Answer 1

您可以使用JObject的Add方法。遍历json属性，并在每个节点中添加一个新的

var input = "{\r\n\"-LcjpjUB1ucnzDabnHa9\": {\r\n    \"CustomerId\": \"9ff2a33e-815e-4d24-9985-2905c3460d8d\",\r\n    \"DateTime\": \"4/18/2019 3:16:11 PM\",\r\n    \"Id\": \"b59692a0-7fde-4132-aad7-d18a1aad690d\",\r\n    \"OrderId\": 11\r\n},\r\n\"-Lcjs_DeDR8Q7kbuAdLo\": {\r\n    \"CustomerId\": \"9ff2a33e-815e-4d24-9985-2905c3460d8d\",\r\n    \"DateTime\": \"4/18/2019 3:28:33 PM\",\r\n    \"Id\": \"be676d81-fa3f-4caa-8ea3-b921a705a09a\",\r\n    \"OrderId\": 12\r\n}\r\n}";

var json = JObject.Parse(input);
foreach (var token in json)
{
    var jObject = (JObject) token.Value;
    jObject.Add("AutoId", new JValue(token.Key));
}

var result = json.ToString(Formatting.Indented);

Answer 2

1）只需循环浏览您解析的JObject的所有属性。

2）向子对象添加新属性，其值为AutoID，其值为父名称。

3）然后将此子对象原样分配给JObject中的父对象。

JObject jObject = JObject.Parse(firebaseResponse.Body);

foreach (var prop in jObject.Properties())
{
    jObject[prop.Name] = JObject.FromObject(new
    {
        AutoId = prop.Name,                       //<= Child object name here
        CustomerId = prop.Value["CustomerId"],    //<= Remaining properties as it is
        DateTime = prop.Value["DateTime"],
        Id = prop.Value["Id"],
        OrderId = prop.Value["OrderId"]
    });
}

string outputJson = jObject.ToString();

输出：（来自调试器）