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    ApsaraVideo VOD:JSON functions

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    ApsaraVideo VOD:JSON functions

    Last Updated:Jul 10, 2026

    ApsaraVideo VOD provides JSON functions for encoding and decoding JSON data in scripts.

    json_enc

    The following table describes this function.
    Item Description
    Syntax json_enc(d)
    Description Encodes a dictionary object into a JSON string.
    Parameter d: the dictionary object to encode.
    Return value If the function succeeds, a JSON-encoded string is returned. Otherwise, false is returned.
    Example 
    var_a = []
var_b = ['v1', 'v2']
set(var_a, 'k1', 'v1')
set(var_a, 'k2', var_b)
var_c = '{"k1":"v1","k2":["v1","v2"]}'
say(concat('json_enc=', json_enc(var_a)))
say(concat('json_dec=', get(json_dec(var_c), 'k1')))

Output:
json_enc={"k1":"v1","k2":["v1","v2"]}
json_dec=v1

    json_dec

    The following table describes this function.
    Item Description
    Syntax json_dec(s)
    Description Decodes a JSON string into a dictionary.
    Parameter s: the JSON string to decode.
    Return value If the function succeeds, a dictionary is returned. Otherwise, false is returned.
    Example 
    var_a = []
var_b = ['v1', 'v2']
set(var_a, 'k1', 'v1')
set(var_a, 'k2', var_b)
var_c = '{"k1":"v1","k2":["v1","v2"]}'
say(concat('json_enc=', json_enc(var_a)))
say(concat('json_dec=', get(json_dec(var_c), 'k1')))

Output:
json_enc={"k1":"v1","k2":["v1","v2"]}
json_dec=v1