Flash 二进制传图片到后台Java服务器接收

• 需求：把客户端处理过的图片返还给服务器
  Flash端代码

  01 package {
  02     import com.adobe.images.JPGEncoder;    
  03     import flash.display.Sprite;
  04     import flash.events.Event;
  05     import flash.events.IOErrorEvent;
  06     import flash.net.URLLoader;
  07     import flash.net.URLRequest;
  08     import flash.net.URLRequestMethod;
  09     import flash.text.TextField;
  10     import flash.utils.ByteArray;    
  11     import mx.core.BitmapAsset;
  12 
  13    [SWC(width='400',height='400',backgroundColor='0x4c4c4c',frameRate='30')]
  14     public class Base extends Sprite
  15     { 
  16         [Embed(source="../1.jpg")]  // same png / gif files
  17         private var Photo:Class ;
  18         
  19         private var url:String ="http://localhost:8080/PicSample/aaa" ;
  20         private var _loader:URLLoader = newURLLoader();;
  21         private var reposeTxt:TextField;
  22         
  23         public function Base()
  24         {
  25             reposeTxt = new TextField();
  26             addChild(reposeTxt);
  27             reposeTxt.text = "waiting....";
  28             
  29             var photo:BitmapAsset = new Photo();
  30             var urlRequest:URLRequest = newURLRequest(url);
  31                         
  32             var JPG:JPGEncoder = new JPGEncoder(70);
  33             var bary:ByteArray =JPG.encode(photo.bitmapData);            
  34             urlRequest.data=bary;
  35             urlRequest.method=URLRequestMethod.POST;
  36             urlRequest.contentType ="application/octet-stream";
  37             _loader.addEventListener(Event.COMPLETE,completeHandler);
  38             _loader.addEventListener(IOErrorEvent.IO_ERROR,ioErrorHandler);
  39             _loader.load(urlRequest);
  40             
  41         }
  42         private functioncompleteHandler(evt:Event):void {
  43             reposeTxt.text = "成功";
  44         }
  45         private functionioErrorHandler(evt:IOErrorEvent):void {
  46             reposeTxt.text = "失败";
  47         }
  48     }
  49 }

   

  Java Servlet

  01 @Override
  02     protected void doPost(HttpServletRequest request,HttpServletResponse response)
  03             throws ServletException, IOException {
  04         
  05         ServletInputStream in =request.getInputStream();
  06         OutputStream outStream = newFileOutputStream("e:/m34.jpg");
  07         int b =0;
  08         while(b!= -1)
  09         {
  10             in.available();
  11             b = in.read();
  12             if(b!= -1)
  13                 outStream.write(b);
  14         }
  15         outStream.close();
  16     }