FGL ==========>>>>>> JSON ===========>>> String:
IMPORT util MAIN DEFINE cust_rec RECORD cust_num INTEGER, cust_name VARCHAR(30), order_ids DYNAMIC ARRAY OF INTEGER END RECORD DEFINE obj util.JSONObject 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 obj = util.JSONObject.fromFGL(cust_rec) DISPLAY obj.toString() END MAIN
String ==========>>>>>> JSON ==========>>>>>> FGL:
IMPORT util MAIN DEFINE cust_rec RECORD cust_num INTEGER, cust_name VARCHAR(30), order_ids DYNAMIC ARRAY OF INTEGER END RECORD DEFINE js STRING DEFINE obj util.JSONObject LET js='{ "cust_num":2735, "cust_name":"McCarlson", "order_ids":[234,3456,24656,34561] }' LET obj = util.JSONObject.parse( js ) CALL obj.toFGL( cust_rec ) DISPLAY cust_rec.cust_name DISPLAY cust_rec.order_ids[4] END MAIN
======遍历JSON取值======
FOR i=1 TO l_json.getLength() DISPLAY l_json.name(i),":",l_json.get(l_json.name(i)) END FOR
======修改、删除JSON的值======
IMPORT util MAIN DEFINE obj util.JSONObject DEFINE rec RECORD id INTEGER, name STRING END RECORD DEFINE arr DYNAMIC ARRAY OF INTEGER LET obj = util.JSONObject.create() CALL obj.put("simple", 234) LET rec.id = 234 LET rec.name = "Barton" CALL obj.put("record", rec) LET arr[1] = 234 LET arr[2] = 2837 CALL obj.put("array", arr) DISPLAY obj.toString() END MAIN
IMPORT util MAIN DEFINE obj util.JSONObject LET obj = util.JSONObject.create() CALL obj.put("address", "5 Brando Street") CALL obj.remove("address") DISPLAY obj.get("address") END MAIN
以上来自Genero Studio Help帮助文档。