通过Http post方式发送json，然后获取返回的json
思路：将发送的json转换为xml
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示例代码
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package{import com.adobe.serialization.json.JSON;import flash.display.Sprite;import flash.events.Event;import flash.events.KeyboardEvent;import flash.net.URLLoader;import flash.net.URLRequest;import flash.net.URLRequestMethod;import flash.text.TextField;import flash.text.TextFieldType;import flash.ui.Keyboard;import flash.xml.XMLDocument;[SWF(width="500", height="200" )]public class JsonDemo extends Sprite{private var result:TextField;private var cell_id:TextField;private var tip:TextField;private var request:URLRequest;private var loader:URLLoader;public function JsonDemo(){initUI();PostAndLoad();}private function initUI():void{result = new TextField();result.x = 10;result.y = 50;result.width = 480;result.height = 100;result.border = true;result.background = true;result.wordWrap = true;result.type = TextFieldType.DYNAMIC;cell_id = new TextField();cell_id.x = 390;cell_id.y = 10;cell_id.width = 100;cell_id.height = 20;cell_id.border = true;cell_id.background = true;cell_id.type = TextFieldType.INPUT;cell_id.text = "36526";// 设置初始值tip = new TextField();tip.x = 260;tip.y = 10;tip.width = 160;tip.height = 20;tip.type = TextFieldType.DYNAMIC;tip.htmlText = "<font color='#9933FF'><b>输入Cell_ID按回车</b></font>";addChild(tip);addChild(cell_id);addChild(result);addEventListener(KeyboardEvent.KEY_DOWN, KeyDownHandler)}// 回车发送 事件private function KeyDownHandler(e:KeyboardEvent):void{switch(e.keyCode){case Keyboard.ENTER:PostAndLoad(parseInt(cell_id.text));cell_id.text = "";break;}}/** * 发送经过xml的json 获取xml的json * @param cell_id:int = 36526 */private function PostAndLoad(cell_id:int = 36526):void{var arr:Array = [];// cell_id作为可变参数arr.push({"version": "1.1.0" ,"host": "maps.google.com","access_token": "2:k7j3G6LaL6u_lafw:4iXOeOpTh1glSXe","home_mobile_country_code": 460,"home_mobile_network_code":0,"address_language": "zh_CN","radio_type": "gsm","request_address": true ,"cell_towers":[{"cell_id":cell_id,"location_area_code":14556,"mobile_country_code":460,"mobile_network_code":0,"timing_advance":5555}]});var dataAsObject:Object = arr.shift();var dataAsString:String = JSON.encode(dataAsObject);trace(dataAsString);// 转换将发送的Json数据var send_xml:XML = new XML(dataAsString);trace(send_xml.toXMLString());// Http请求request = new URLRequest("http://www.google.com/loc/json");request.method = URLRequestMethod.POST;request.data = send_xml;// 加载请求返回数据loader = new URLLoader();loader.load(request);loader.addEventListener(Event.COMPLETE,LoaderHandler);// 监听}// 处理加载得到的数据private function LoaderHandler(evt:Event):void{var load_xml:XML = new XML(evt.target.data);trace("返回的数据：" + load_xml.toXMLString());trace("------------ " + load_xml);result.htmlText = load_xml.toXMLString();}}}?
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用到的库：as3corelib
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