util.JSON.stringify() turns a record variable into a flat JSON string.
Syntax:
util.JSON.stringify(record_var)
Parameters:
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record_var |
a RECORD or DYNAMIC ARRAY program variable that must be turned into a JSON string |
Usage and examples:
util.JSON.stringify() takes a RECORD or DYNAMIC ARRAY variable as a parameter, and turns it into a JSON string based on the general rules and specifications provided by json.org and implemented for Lycia.
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example code |
MAIN DEFINE cust_rec RECORD cust_num INTEGER, cust_name VARCHAR(30), order_ids DYNAMIC ARRAY OF INTEGER END RECORD DEFINE js STRING
LET cust_rec.cust_num = 345 LET cust_rec.cust_name = "McMaclum" LET cust_rec.order_ids[1] = 4732 LET cust_rec.order_ids[2] = 9834 LET cust_rec.order_ids[3] = 2194 LET js = util.JSON.stringify(cust_rec) DISPLAY js
CALL fgl_getkey() END MAIN
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obtained results |
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For greater details on how fgl data types are converted into JSON strings (and vice versa), refer here and here.
If the JSON string cannot be generated, the -8110 error - JSON serialization failed. See the description for more details - is returned to the user.
Example programs:
CVS server: client.querix.com
CVS repository: /lycia_doc_examples
User: client
Project: auxiliary_features/json
Program: util_JSON_stringify
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