How to parse JSON (AS3)

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春和景丽
春和景丽 2021-01-04 19:55

How to parse downloaded .json file with a string inside it to a string variable? With as3corelib.swc.

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  •  耶瑟儿~
    2021-01-04 20:39

    And here we go, full-working example from my current project:

    protected function loadConfigFromUrl():void
    {
        var urlRequest:URLRequest  = new URLRequest(CONFIG_URL);
    
        var urlLoader:URLLoader = new URLLoader();
        urlLoader.addEventListener(Event.COMPLETE, completeHandler);
    
        try{
            urlLoader.load(urlRequest);
        } catch (error:Error) {
            trace("Cannot load : " + error.message);
        }
    }
    
    private static function completeHandler(event:Event):void {
        var loader:URLLoader = URLLoader(event.target);
        trace("completeHandler: " + loader.data);
    
        var data:Object = JSON.parse(loader.data);
        trace("The answer is " + data.id+" ; "+data.first_var+" ; "+data.second_var);
        //All fields from JSON are accessible by theit property names here/
    }
    

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