Flex 上传文件，服务端.net

服务端代码 aspx文件中

using  System;
using  System.Data;
using  System.Configuration;
using  System.Collections;
using  System.Web;
using  System.Web.Security;
using  System.Web.UI;
using  System.Web.UI.WebControls;
using  System.Web.UI.WebControls.WebParts;
using  System.Web.UI.HtmlControls;

public  partial  class  upload : System.Web.UI.Page
{
     protected   void  Page_Load( object  sender, EventArgs e)
    {
        HttpFileCollection uploadedFiles  =  Request.Files;
         string  Path  =  Server.MapPath( " upload " );
         for  ( int  i  =   0 ; i  <  uploadedFiles.Count; i ++ )
        {
            HttpPostedFile F  =  uploadedFiles[i];
             if  (uploadedFiles[i]  !=   null   &&  F.ContentLength  >   0 )
            {
                 string  newName  =  F.FileName.Substring(F.FileName.LastIndexOf( " \\ " )  +   1 );
                F.SaveAs(Path  +   " // "   +  newName);
            }
        }
    }
}

Flex代码 from FlexHelp

package  {
     import  flash.display.Sprite;
     import  flash.events. * ;
     import  flash.net.FileFilter;
     import  flash.net.FileReference;
     import  flash.net.URLRequest;

     public   class  FileReferenceExample  extends  Sprite {
         private  var uploadURL:URLRequest;
         private  var file:FileReference;

         public  function FileReferenceExample() {
            uploadURL  =   new  URLRequest();
            uploadURL.url  =   " http://localhost:8081/upload.aspx " ;
            file  =   new  FileReference();
            configureListeners(file);
            file.browse(getTypes());
        }

         private  function configureListeners(dispatcher:IEventDispatcher): void  {
            dispatcher.addEventListener(Event.CANCEL, cancelHandler);
            dispatcher.addEventListener(Event.COMPLETE, completeHandler);
            dispatcher.addEventListener(HTTPStatusEvent.HTTP_STATUS, httpStatusHandler);
            dispatcher.addEventListener(IOErrorEvent.IO_ERROR, ioErrorHandler);
            dispatcher.addEventListener(Event.OPEN, openHandler);
            dispatcher.addEventListener(ProgressEvent.PROGRESS, progressHandler);
            dispatcher.addEventListener(SecurityErrorEvent.SECURITY_ERROR, securityErrorHandler);
            dispatcher.addEventListener(Event.SELECT, selectHandler);
        }

         private  function getTypes():Array {
            var allTypes:Array  =   new  Array(getImageTypeFilter(), getTextTypeFilter());
             return  allTypes;
        }

         private  function getImageTypeFilter():FileFilter {
             return   new  FileFilter( " Images (*.jpg, *.jpeg, *.gif, *.png) " ,  " *.jpg;*.jpeg;*.gif;*.png " );
        }

         private  function getTextTypeFilter():FileFilter {
             return   new  FileFilter( " Text Files (*.txt, *.rtf) " ,  " *.txt;*.rtf " );
        }

         private  function cancelHandler(event:Event): void  {
            trace( " cancelHandler:  "   +  event);
        }

         private  function completeHandler(event:Event): void  {
            trace( " completeHandler:  "   +  event);
        }

         private  function httpStatusHandler(event:HTTPStatusEvent): void  {
            trace( " httpStatusHandler:  "   +  event);
        }
        
         private  function ioErrorHandler(event:IOErrorEvent): void  {
            trace( " ioErrorHandler:  "   +  event);
        }

         private  function openHandler(event:Event): void  {
            trace( " openHandler:  "   +  event);
        }

         private  function progressHandler(event:ProgressEvent): void  {
            var file:FileReference  =  FileReference(event.target);
            trace( " progressHandler name= "   +  file.name  +   "  bytesLoaded= "   +  event.bytesLoaded  +   "  bytesTotal= "   +  event.bytesTotal);
        }

         private  function securityErrorHandler(event:SecurityErrorEvent): void  {
            trace( " securityErrorHandler:  "   +  event);
        }

         private  function selectHandler(event:Event): void  {
            var file:FileReference  =  FileReference(event.target);
            trace( " selectHandler: name= "   +  file.name  +   "  URL= "   +  uploadURL.url);
            file.upload(uploadURL);
        }
    }
}