package com.sole.util{    import flash.events.Event;    import flash.events.HTTPStatusEvent;    import flash.events.IEventDispatcher;    import flash.events.IOErrorEvent;    import flash.events.ProgressEvent;    import flash.events.SecurityErrorEvent;    import flash.net.URLLoader;    import flash.net.URLLoaderDataFormat;    import flash.net.URLRequest;    import flash.net.URLRequestMethod;    import flash.net.URLVariables;      public class HttpConnent    {        /**请求的url*/          public var url:String;        /**请求的参数*/          public var urlVariables:URLVariables;  //        public var resultStr:String;          public var inputstream:Object;                private var urlLoader:URLLoader;          private var request:URLRequest;                  public var completeFun:Function;        public var errFun:Function;                /**         *连接提交请求         * @method 请求类型         * post或get  默认post         * @isstream 是否数据流请求         */        public function gotoConn(method:String=URLRequestMethod.POST,isstream:Boolean=false):void{              urlLoader = new URLLoader();              //URLLoader 类以文本、二进制数据或 URL 编码变量的形式从 URL 下载数据              request= new URLRequest(url);               request.method = method;//设置请求的类型             if(isstream){                request.contentType= "application/octet-stream";                  request.data=inputstream;                urlLoader.dataFormat = URLLoaderDataFormat.BINARY;              }            if(urlVariables)                request.data = urlVariables;//将url请求的数据放入request中                             configureListeners(urlLoader);//给urlloader对象添加监听事件               try {                  urlLoader.load(request);//开始发送请求               } catch (error:Error) {                  trace(error);                  urlLoader.close();            }         }                  private function configureListeners(dispatcher:IEventDispatcher):void {                //加载完成事件;                 dispatcher.addEventListener(Event.COMPLETE, loaderHandler);                //开始访问事件;                 dispatcher.addEventListener(Event.OPEN, loaderHandler);                //加载进度事件;                 dispatcher.addEventListener(ProgressEvent.PROGRESS, loaderHandler);                //跨域访问安全策略事件;                 dispatcher.addEventListener(SecurityErrorEvent.SECURITY_ERROR, loaderHandler);                //Http状态事件;                 dispatcher.addEventListener(HTTPStatusEvent.HTTP_STATUS, loaderHandler);                //访问出错事件;                 dispatcher.addEventListener(IOErrorEvent.IO_ERROR, loaderHandler);           }           private function loaderHandler(event:*):void           {               switch(event.type) {                   case Event.COMPLETE:                       trace("成功: ");                      if(completeFun!=null){                        completeFun.call(null,event);                    }                    break;                   case Event.OPEN:                       trace("open: " + event);                       break;                   case ProgressEvent.PROGRESS:                       trace("progress: " + event);                       break;                   case SecurityErrorEvent.SECURITY_ERROR:                       trace("securityError: " + event);                      if(errFun!=null){                        errFun.call(null);                    }                    break;                   case HTTPStatusEvent.HTTP_STATUS:                       trace("httpStatus: " + event);                       break;                   case IOErrorEvent.IO_ERROR:                       trace("ioError: " + event);                       if(errFun!=null){                        errFun.call(null);                    }                    break;                               }          }      }}