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
,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
One: on Mac If you use Excel to open Windows exported CSV format document, you will find that all the content in the table is displayed in column A. So, how to get back to normal, you can import the CSV format of the document into the Excel document, so that the normal display.1.2.3.4.5.6.7.8.9.Two: Chinese garbled solution methodOpen the document using the numbe
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
.
Case 2: convert a JSON object to a string
In this example, the JSON object is converted into a string representation.
1. Create an applicationProgramProject.
2. the UI of mainpage. XAML is as follows:
Click the button to generate a JSON object and display the converted string in the textbox below.
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