flex利用webservice上传照片

WebService端代码

        /// <summary>

        /// 上传文件到远程server

        /// </summary>

        /// <param name="fileBytes">文件流</param>

        /// <param name="fileName">文件名称</param>

        /// <returns>字符串</returns>

        [WebMethod(Description = "上传文件到远程server.")]

        public string UploadFile(byte[] fileBytes, string fileName)

        {

            try

            {

                MemoryStream memoryStream = new MemoryStream(fileBytes); //1.定义并实例化一个内存流，以存放提交上来的字节数组。

                FileStream fileUpload = new FileStream(Server.MapPath(".") + "\\" + fileName, FileMode.Create); ///2.定义实际文件对象，保存上载的文件。

                memoryStream.WriteTo(fileUpload); ///3.把内存流里的数据写入物理文件

                memoryStream.Close();

                fileUpload.Close();

                fileUpload = null;

                memoryStream = null;

                return "文件已经上传成功";

            }

            catch (Exception ex)

            {

                return ex.Message;

            }

        } 

Flexclient代码

<?xml version="1.0" encoding="utf-8"?>

<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"

			   xmlns:s="library://ns.adobe.com/flex/spark"

			   xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600" creationComplete="application1_creationCompleteHandler(event)">

	<fx:Script>

		<![CDATA[

			import mx.controls.Alert;

			import mx.events.FlexEvent;

			import mx.graphics.codec.JPEGEncoder;

			import mx.rpc.events.FaultEvent;

			import mx.rpc.events.ResultEvent;

			protected function application1_creationCompleteHandler(event:FlexEvent):void

			{

				var width :int = imgID.width;

				var height :int = imgID.height;

				var bitmapData:BitmapData =new BitmapData(width,height);

				bitmapData.draw(imgID);

				var byteArr:ByteArray = bitmapData.getPixels(new Rectangle(0,0,width,height));

				var byteArr123:ByteArray  =new JPEGEncoder().encodeByteArray(byteArr,width,height);

				webService.UploadFile(byteArr123,"123.png");

			}

			protected function webService_faultHandler(event:FaultEvent):void

			{

				Alert.show(event.fault.toString());

			}

			protected function webService_successHandler(event:ResultEvent):void

			{

				Alert.show(event.result.toString());

			}

		]]>

	</fx:Script>

	<fx:Declarations>

		<!-- 将非可视元素（比如服务、值对象）放在此处 -->

		<s:WebService id="webService" wsdl="http://10.19.1.48/upImg/Service1.asmx?WSDL" fault="webService_faultHandler(event)">

			<s:operation name="UploadFile" result="webService_successHandler(event)"></s:operation>

		</s:WebService>

	</fx:Declarations>

	<mx:Image id="imgID" x="186" y="103" width="583" height="397" source="file:/G:/360云盘/照片/2013Beijing MapOfSubway.jpg"/>

</s:Application>