Method functions for working with JSON files in Python

1. Json.loads () converts a JSON string into a "dictionary" type in Python

Import JSON

#json串是一个字符串
f = open (' Product.json ', encoding= ' utf-8 ')

Res=f.read ()

Product_dic=json.loads (RES)

Print (Product_dic)

Operation Result:

2, Json.load () read the file for processing, the same is to convert the JSON string in the file to a dictionary type

Import JSON

#json串是一个字符串
f = open (' Product.json ', encoding= ' utf-8 ')

Product_dic=json.load (f)

Print (Product_dic)

3. Json.dumps () converts the dictionary data into a string in Python

Import JSON

Dict = {' username ': ' Sammy '}

Res=type (Json.dumps (dict))

Print (' Data type:%s '%res)

Operation Result:

Python in Json.dumps (d, Ensure_ascii=false, indent=4, Sort_keys=true)

Ensure_ascii=false indicates that the output Chinese needs to specify the ENSURE_ASCII parameter to False

Indent=4 indicates how much indentation

Sort_keys indicates whether to align

4. Json.dump () turns the dictionary data into a string in Python and writes its results to a file

Import JSON

Dict = {' username ': ' Sammy '}

Json.dump (Dict,open (' A.json ', ' W ', encoding= ' utf-8 '))

Operation Result:

Generate a A.json file

Method functions for working with JSON files in Python