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Double-layer nested json string (json object embedded json array) resolved to Map
I wrote an article on the layer that introduced the conversion between json and map, but only involved a single json object or
Previously, I wrote an article about JSON and map transformation, but only to a single JSON object or JSON array, JSON object nested inside this JSON array JSON string can not be proces
Double-layer nested json string (json object embedded json array) resolved to Map, jsonmap
I wrote an article on the layer that introduced the conversion between json and map, but only involved a single json object or
,elem.text Since Iterparse is able to scan the elements and get the corresponding text. Then we can convert this function to a builder. The code is modified as follows: defXml_try (Element):Tag_indicate=[]Doc2=iterparse (R ' D:\test_source\rss20.xml ',(' Start ',' End ')) forevent,elem in doc2: if event = = ' start ' : Tag_indicate.append ( Elem.tag) if event = = ' end ' : if tag_indicate.pop () = = element: y
storageJSON is all called (JavaScript object Notation), JavaScript objects tags, through the combination of objects and arrays to represent data, structure concise, very structured, similar to the dictionary in Python1. Objects Arrays:In JavaScript, everything is the object.Object:Using {} In JavaScript can be understood as a dictionary in Python with key values.Array:Using [] in JavaScript can be understood as a list in Python.2. Read JSONWe can call the loads () method of the Python
of as inertia, is to first convert the object to a JSON string:
Copy Code code as follows:
"Data" => {"Obj1" => @obj1. To_json, "Obj2" => @obj2. To_json}
The above code output:
Copy Code code as follows:
JSON string of obj = {"Json_class": "obj", "data": {"obj1": "{\ json_class\": \ "obj1\", \ "data\": {\ "var1\": \ "I
When the data structure is simple enough for a two-dimensional table to describe the format,
The comma interval represents the column, \ r \ n represents the row, and the first row is the corresponding property name.
Like
ColName1, ColName2, ColName3
1, "title", "Http://ss.ss.com/ss"
2, "title", "Http://ss.ss.com/ss"
3, "title", "Http://ss.ss.com/ss"
In this way, remove the redundant attribute tags such as xml,json, reduce the bandwidth pressur
This article mainly introduces the method of extracting multilayer nested JSON data from ASP, using the third party class library Newtonsoft.json to extract multilayer nested JSON data, which is interesting to understand.
In this paper, we describe the method of extracting multiple layers of
Detailed description of ASP. NET's method for extracting multi-layer nested json data, asp. netjson
This example describes how ASP. NET uses the third-party class library Newtonsoft. Json to extract multi-layer nested json data. The example is as follows.
Assume that the
JSON (JavaScript Object Notation) is a lightweight data interchange format with good cross-platform features. In recent years, as XML has become a widely used data format in the C/s architecture. For more information on JSON, refer to the following: http://json.org/json-zh.htmlCommunication between the server and client using the
The example in this article describes the ASP.net method for extracting multiple layers of nested JSON data. Share to everyone for your reference, specific as follows:
Extract such JSON in. NET 2.0:
Copy Code code as follows:
{"Name": "Lily", "Age": "addr": {"City": Guangzhou, "Province": Guangdong}}
Referencing namespaces:
Using Newto
# Include "jsoncpp/include/JSON. H"
// Use the JSON class downloaded from the internet
JSON: Value root;JSON: Value var;JSON: Value jfdata;
// For example, a directory level is as follows:
C: // files // testfile // datas // {1. Text, 2. Text, 3. Text. 4. Text}
// The ge
During development and testing, it is often necessary to convert a JSON object containing Chinese characters into a JSON string. If you use STR (json_obj) or JSON. dumps (json_obj) Conversion generates: {'A': {'B': U' \ u4e2d \ u6587 '}, but the result is: {'A': {'B': 'Chinese '}}.
In the early stage, a
Currently, it is quite simple to convert a Java object to a JSON object. However, it is more complicated to convert a JSON object to a Java object.
The first method is JSON-lib.
The second method is JACKSON.
The first two methods are relatively easy for relatively simple Poj
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