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  • 使用FLEX实现简单WEB在线拍照功能


    Flex2中的代码片段,用于实现拍照功能.
     1            private function getSnapshotJPEG():void {
     2                var jpegEnc:JPEGEncoder = new JPEGEncoder(100);
     3                var jpegData:ByteArray = jpegEnc.encode(cameraStream.getSnapshotBitmapData());
     4                
     5                //var req:URLRequest = new URLRequest('http://127.0.0.1/php/UploadImg.php');
     6                var req:URLRequest = new URLRequest('http://127.0.0.1/dotnet/FlexWebCam.aspx');
     7                var loader:URLLoader = new URLLoader();
     8                saveImageListeners(loader);
     9                //loader.addEventListener('complete', onComplete);
    10                
    11                req.contentType = 'applicatoin/octet-stream';
    12                //req.contentType = 'multipart/form-data';
    13                req.method = URLRequestMethod.POST;
    14                req.data = jpegData;
    15                
    16                try {
    17                    loader.load(req);                    
    18                }
     
    19                catch (error:Error) {
    20                    trace('unable to load request');
    21                }

    22                
    23                function saveImageListeners(dispatcher:IEventDispatcher):void {
    24                    dispatcher.addEventListener(Event.COMPLETE, onComplete);
    25                }

    26                
    27                function onComplete(e:Event):void {
    28                    //navigateToURL(new URLRequest("http://127.0.0.1/php/UploadImg.php"),"_self");
    29                    var loader:URLLoader = URLLoader(e.target);
    30                    trace('返回数据:'+loader.data);
    31                }
                
    32            }


    FLEX实现抓取图像,通过JPEGEncoder转换成ByteArray,返回.

    剩下的工作简单了,获取图像保存而 已

    php 实现

    1$fp = fopen('php.jpg', 'wb');
    2fwrite($fp, $GLOBALS['HTTP_RAW_POST_DATA']);
    3fclose($fp);

    C# 实现

    1        System.Drawing.Image img = System.Drawing.Image.FromStream(Request.InputStream);
    2        img.Save(@"D:\path\asp.jpg");
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  • 原文地址:https://www.cnblogs.com/nianshi/p/1752249.html
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