get_json_str_by_uid method

get_json_str_by_uid

Gets the JSON format string from the file cache by the specified unique id.

The JSON format string

def get_json_str_by_uid(self, uid, filename):
    ...

Parameter	Type	Description
uid	str	The unique id for the file cache.
filename	str	Specifies the file name in the JSON. If set to null,the default filename is: book1.