[AS3]as3加载JSON数据 as3与json交互源代码示例

[AS3]as3加载JSON数据 as3与json交互代码示例

package   
{  
        import flash.display.Sprite;  
        import flash.events.Event;  
        import flash.net.URLLoader;  
        import flash.net.URLRequest;  
          
        import com.adobe.serialization.json.JSON;  
          
   
        public class Main extends Sprite   
        {  
                  
                private var _jsonPath:String = "json_example.txt";  
                  
                public function Main():void   
                {  
                        if (stage) init();  
                        else addEventListener(Event.ADDED_TO_STAGE, init);  
                }  
                  
                private function init(e:Event = null):void   
                {  
                        removeEventListener(Event.ADDED_TO_STAGE, init);  
                          
                        var loader:URLLoader = new URLLoader();  
                        var request:URLRequest = new URLRequest();  
                        request.url = _jsonPath;  
                        loader.addEventListener(Event.COMPLETE, onLoaderComplete);  
                        loader.load(request);  
                }  
                  
                  
                private function onLoaderComplete(e:Event):void   
                {  
                        var loader:URLLoader = URLLoader(e.target);  
                        var jsonArray:Array = JSON.decode(loader.data);  
                          
                        trace("loader.data: " + loader.data);  
   
                        trace(jsonArray[0].Id);  
                        // 7  
                          
                        trace(jsonArray[0].Mentions[0].Id);  
                        // 5  
                          
                        trace(jsonArray[0].Mentions[0].StatusId);  
                        // 34  
                          
                        trace(jsonArray[0].Mentions[0].CreatedDateTime);  
                        // /Date(1310051914617+0100)/  
                          
                        trace(jsonArray[0].Mentions[0].Text);  
                        // Text  
                          
                        trace(jsonArray[0].Mentions[0].UserName);  
                        // Username  
                          
                        trace(jsonArray[0].Mentions[0].UserLocation);  
                        // UK  
                          
                        trace(jsonArray[0].Mentions[0].UserLanguage);  
                        // en-GB  
                          
                        trace(jsonArray[0].Mentions[0].IsCheckIn);  
                        // true  
                          
                        trace(jsonArray[0].Tips[0].Id);  
                        // 5  
                          
                        trace(jsonArray[0].Tips[0].FourSquareId);  
                        // 7e06c4b2-1fb5-4f35-9619-c99a384f5ae7  
                          
                        trace(jsonArray[0].Tips[0].CreatedAt);  
                        // /Date(1310051914636+0100)/  
                          
                        trace(jsonArray[0].Tips[0].Text);  
                        // Text  
                          
                        trace(jsonArray[0].Tips[0].Username);  
                        // Username  
                          
                        trace(jsonArray[0].Checkins);  
                        // 0  
                          
                        trace(jsonArray[0].HereNow);  
                        // 0  
                          
                        trace(jsonArray[0].TimeStamp);  
                        // /Date(1310051914639+0100)/  
                          
                        trace(jsonArray[0].Venue.Id);  
                        // 7  
                          
                        trace(jsonArray[0].Venue.FoursquareId);  
                        // cacbf3bd-f0aa-403d-9f9b-2056b4985ba1  
                          
                        trace(jsonArray[0].Venue.Name);  
                        // Venue Name  
                          
                }  
   
        }  
}  
   
   
   
////////////////////////////////////////////////////////  
// Here is the contents of the 'json_example.txt' file  
////////////////////////////////////////////////////////  
/*  
   
[  
  {  
    "Id": 7,  
    "Mentions": [  
      {  
        "Id": 5,  
        "StatusId": 34,  
        "CreatedDateTime": "\/Date(1310051914617+0100)\/",  
        "Text": "Text",  
        "UserName": "Username",  
        "UserLocation": "UK",  
        "UserLanguage": "en-GB",  
        "IsCheckIn": "true"   
      }  
    ],  
    "Tips": [  
      {  
        "Id": 5,  
        "FourSquareId": "7e06c4b2-1fb5-4f35-9619-c99a384f5ae7",  
        "CreatedAt": "\/Date(1310051914636+0100)\/",  
        "Text": "Text",  
        "Username": "Username"  
      }  
    ],  
    "Checkins": 0,  
    "HereNow": 0,  
    "TimeStamp": "\/Date(1310051914639+0100)\/",  
    "Venue": {  
      "Id": 7,  
      "FoursquareId": "cacbf3bd-f0aa-403d-9f9b-2056b4985ba1",  
      "Name": "Venue Name"  
    }  
  }  
]  
   
*/