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(Go) Loading and Parsing a JSON ArrayA JSON array is JSON that begins with "[" and ends with "]". For example, this is a JSON array that contains 3 JSON objects. [{"name":"jack"},{"name":"john"},{"name":"joe"}]A JSON object, however, is JSON that begins with "{" and ends with "}". For example, this JSON is an object that contains an array. {"pets":[{"name":"jack"},{"name":"john"},{"name":"joe"}]}This example shows how loading a JSON array is different than loading a JSON object.
strJsonArray := "[{\"name\":\"jack\"},{\"name\":\"john\"},{\"name\":\"joe\"}]" strJsonObject := "{\"pets\":[{\"name\":\"jack\"},{\"name\":\"john\"},{\"name\":\"joe\"}]}" // A JSON array must be loaded using JsonArray: jsonArray := chilkat.NewJsonArray() jsonArray.Load(strJsonArray) // Examine the values: i := 0 for i < jsonArray.Size() { jsonObj := jsonArray.ObjectAt(i) fmt.Println(i, ": ", *jsonObj.StringOf("name")) jsonObj.DisposeJsonObject() i = i + 1 } // Output is: // 0: jack // 1: john // 2: joe // A JSON object must be loaded using JsonObject jsonObject := chilkat.NewJsonObject() jsonObject.Load(strJsonObject) // Examine the values: i = 0 numPets := jsonObject.SizeOfArray("pets") for i < numPets { jsonObject.SetI(i) fmt.Println(i, ": ", *jsonObject.StringOf("pets[i].name")) i = i + 1 } // Output is: // 0: jack // 1: john // 2: joe jsonArray.DisposeJsonArray() jsonObject.DisposeJsonObject() |
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