5、 Flex中Image控件相关之Java+Flex项目中利用JSPSmartUpload进行文件上传。（文件上传）

Flex中Image控件相关之Java+Flex项目中利用JSPSmartUpload进行文件上传。（文件上传）

<?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="creationHandler(event)">
	
	<fx:Script>
		<![CDATA[
			import mx.controls.Alert;
			import mx.events.FlexEvent;
			
			import org.osmf.media.URLResource;
			private var fileRefer:FileReference = new FileReference();
			
			protected function bordercontainer1_clickHandler(event:MouseEvent):void
			{
				// TODO Auto-generated method stub
				fileRefer.browse([new FileFilter("图片(*.jpg;*.png;*.gif)","*.jpg;*.png;*.gif")]);
			}
			
			protected function creationHandler(event:FlexEvent):void
			{
				// TODO Auto-generated method stub
				fileRefer.addEventListener(Event.SELECT,selectHandler);
				fileRefer.addEventListener(Event.COMPLETE,completeHandler);
			}
			
			private function selectHandler(event:Event):void{
				fileRefer.load();
			}
			
			private function completeHandler(event:Event):void{
				btn_source.source = fileRefer.data;
				Alert.show("成功...");
			}
			
			protected function button1_clickHandler(event:MouseEvent):void
			{
				// TODO Auto-generated method stub
				var vars:URLVariables = new URLVariables();
				vars['username'] = lab_username.text;
				var request:URLRequest = new URLRequest("http://localhost:9080/ComponentAll/upload");
				request.method = URLRequestMethod.POST;
				request.data = vars;
				fileRefer.upload(request);
			}
			
		]]>
	</fx:Script>
	
	<fx:Declarations>
	</fx:Declarations>
	<s:BorderContainer x="5" y="8" width="200" height="200" click="bordercontainer1_clickHandler(event)">
		<s:Image id="btn_source" left="2" right="2" top="2" bottom="2" />
	</s:BorderContainer>
	<s:TextInput x="266" y="190.55" id="lab_username"/>
	<s:Label x="213" y="195" text="姓名" />
	<s:Button x="427" y="189.5" label="提交" click="button1_clickHandler(event)"/>
</s:Application>

 package com.lmx.servlet;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.jspsmart.upload.SmartUpload;
import com.jspsmart.upload.SmartUploadException;

/**
 * Servlet implementation class UploadServlet
 */
@WebServlet("/upload")
public class UploadServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public UploadServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doPost(request, response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	@SuppressWarnings("deprecation")
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		//实例化
		  SmartUpload smart = new SmartUpload();
		  //初始化
		  smart.initialize(this.getServletConfig(), request, response);
		  //上传准备,保存路劲
		  try {
		   smart.upload();
		   System.out.println(request.getRealPath("upload"));
		   smart.save("upload");  //需要在项目下建立一个upload包
		   System.out.println(smart.getFiles().getFile(0).getFileName());
		   System.out.println(smart.getRequest().getParameter("username"));
		  } catch (SmartUploadException e) {
		   // TODO Auto-generated catch block
		   e.printStackTrace();
		  }
	}

}