JSON Basic Learning

Defined

JSON-Lightweight Text data Interchange Format, language independent, smaller and faster and easier to parse than XML

JSON parser and JSON library support for different programming languages

4 Basic Rules

1. Use commas between the parallel data,

2. The map is represented by a colon

3. Parallel data sets (arrays) are denoted by square brackets []

4. The mapped collection (object) is represented by curly braces {}

For example, Beijing area 16800 square kilometers population 16 million people Shanghai area 6400 square kilometers, population 18 million people

[City: Beijing, Area: 16800, Population: 1600},{City: Shanghai, Area: 6400, population: 1800}]

Advantages

1 simple, small 2. Multi-lingual support

Disadvantages

The character set must be Unicode

Using JSON in Python

function	Program Library
Encode	Encodes a Python object as a JSON string representation.
Decode	Decodes a JSON-encoded string into a Python object.

JSON Basic Learning