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     }