学步园

   flex多文件上传工具（自用）

JAVA类

package com.shine.framework.flexUpload;</p> <p>import java.io.File;<br /> import java.io.IOException;<br /> import java.io.PrintWriter;<br /> import java.util.Iterator;<br /> import java.util.List;</p> <p>import javax.servlet.ServletException;<br /> import javax.servlet.http.HttpServlet;<br /> import javax.servlet.http.HttpServletRequest;<br /> import javax.servlet.http.HttpServletResponse;</p> <p>import org.apache.commons.fileupload.FileItem;<br /> import org.apache.commons.fileupload.FileUploadException;<br /> import org.apache.commons.fileupload.disk.DiskFileItemFactory;<br /> import org.apache.commons.fileupload.servlet.ServletFileUpload;</p> <p>import com.shine.framework.config.FrameworkConfigFactory;</p> <p>public class FileUploaded extends HttpServlet {</p> <p> // 定义文件的上传路径<br /> private String uploadPath = FrameworkConfigFactory.getConfig().getSysPath()<br /> + "//upload//";</p> <p> // 限制文件的上传大小</p> <p> private int maxPostSize = 100 * 1024 * 1024;</p> <p> public FileUploaded() {<br /> super();<br /> }</p> <p> public void destroy() {<br /> super.destroy();<br /> }</p> <p> public void processRequest(HttpServletRequest request,<br /> HttpServletResponse response) throws ServletException, IOException {<br /> System.out.println("Access !");<br /> response.setContentType("text/html;charset=utf-8");<br /> PrintWriter out = response.getWriter();</p> <p> // 保存文件到服务器中</p> <p> DiskFileItemFactory factory = new DiskFileItemFactory();<br /> factory.setSizeThreshold(4096);<br /> ServletFileUpload upload = new ServletFileUpload(factory);<br /> upload.setSizeMax(maxPostSize);<br /> try {<br /> List fileItems = upload.parseRequest(request);<br /> Iterator iter = fileItems.iterator();<br /> while (iter.hasNext()) {<br /> FileItem item = (FileItem) iter.next();<br /> if (!item.isFormField()) {<br /> String name = new String(item.getName().getBytes("gbk"),"utf-8");<br /> System.out.println(name);<br /> try {<br /> item.write(new File(uploadPath + name));<br /> // SaveFile s = new SaveFile();</p> <p> // s.saveFile(name);</p> <p> } catch (Exception e) {<br /> e.printStackTrace();<br /> }<br /> }<br /> }<br /> } catch (FileUploadException e) {<br /> e.printStackTrace();<br /> System.out.println(e.getMessage() + "结束");<br /> }<br /> }</p> <p> // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on<br /> // the + sign on the left to edit the code."></p> <p> public void doGet(HttpServletRequest request,<br /> HttpServletResponse response) throws ServletException, IOException {<br /> processRequest(request, response);<br /> }</p> <p> public void doPost(HttpServletRequest request,<br /> HttpServletResponse response) throws ServletException, IOException {<br /> processRequest(request, response);<br /> }</p> <p> public String getServletInfo() {<br /> return "Short description";<br /> }<br /> // </editor-fold></p> <p>}<br />

Flex类

<?xml version="1.0" encoding="utf-8"?><br /> <!-- viruscodecn@gmail.com --><br /> <BaseSimpleCanvas xmlns="com.shine.framework.view.*"<br /> xmlns:mx="http://www.adobe.com/2006/mxml"<br /> creationComplete="{this.completeLoading()}"><br /> <mx:Script><br /> <!--[CDATA[<br /> import mx.controls.ProgressBar;<br /> import mx.controls.Label;<br /> import mx.containers.HBox;<br /> import mx.events.CloseEvent;<br /> import mx.collections.ArrayCollection;<br /> import mx.controls.Alert;</p> <p> public var fileArray:FileUpdataUtil=new FileUpdataUtil;<br /> private var f:FileReference;<br /> private var n:int=0;</p> <p> public var targetUrl:String="/SaleSystem/FileUploaded";<br /> //格式:*.jpg;*.jpeg;*.png<br /> public var fileType:String="*.*";</p> <p> public var fileCount:int=999;</p> <p> private function browseFile():void<br /> {<br /> if (fileArray.length < fileCount)<br /> {<br /> var file:FileReference=new FileReference();<br /> file.addEventListener(Event.SELECT, onSelect);<br /> file.addEventListener(ProgressEvent.PROGRESS, onProgress);<br /> file.addEventListener(Event.COMPLETE, completeHandle);</p> <p> var types:FileFilter=new FileFilter(fileType, fileType);<br /> var allTypes:Array=new Array(types);<br /> file.browse(allTypes);<br /> file.browse();<br /> }<br /> else<br /> {<br /> Alert.show("超过了本次上传限制了");<br /> }<br /> }</p> <p> private function cleanUpload():void<br /> {<br /> cVBox.removeAllChildren();<br /> fileArray.removeAll();<br /> }</p> <p> private function onSelect(e:Event):void<br /> {<br /> f=FileReference(e.target);<br /> if (f.name.length < 11)<br /> {<br /> Alert.show("添加 " + f.name + " (共 " + Math.round(f.size) + " 字节)?", "确认添加", Alert.YES | Alert.NO, null, addFileUpload);<br /> }<br /> else<br /> {<br /> Alert.show("上传文件名过长，请控制在7个字以内...");<br /> }<br /> }</p> <p> private function addFileUpload(e:CloseEvent):void<br /> {<br /> var hBox:HBox=new HBox;<br /> hBox.width=cVBox.width;<br /> hBox.height=40;<br /> cVBox.addChild(hBox);</p> <p> var label:Label=new Label;<br /> label.text=f.name;<br /> label.height=40;<br /> label.width=50;<br /> label.toolTip=f.name;<br /> hBox.addChild(label);</p> <p> var progressBar:ProgressBar=new ProgressBar;<br /> progressBar.width=hBox.width - 60;<br /> progressBar.height=40;<br /> progressBar.mode="manual";<br /> progressBar.setStyle("themeColor", "0xF20D7A");<br /> hBox.addChild(progressBar);</p> <p> var fileUpdataModel:FileUpdataModel=new FileUpdataModel;<br /> fileUpdataModel.file=f;<br /> fileUpdataModel.progressBar=progressBar;<br /> fileArray.addItem(fileUpdataModel);<br /> }</p> <p> private function proceedWithUpload():void<br /> {<br /> var request:URLRequest=new URLRequest(targetUrl);<br /> FileReference((fileArray.getItemAt(n) as FileUpdataModel).file).upload(request);<br /> tip.text="正在上传：" + FileReference((fileArray.getItemAt(n) as FileUpdataModel).file).name;<br /> }</p> <p> private function onProgress(e:ProgressEvent):void<br /> {<br /> var proc:uint=e.bytesLoaded / e.bytesTotal * 100;<br /> ProgressBar((fileArray.getItemAt(n) as FileUpdataModel).progressBar).setProgress(proc, 100);<br /> ProgressBar((fileArray.getItemAt(n) as FileUpdataModel).progressBar).label="当前进度: " + " " + proc + "%";<br /> }</p> <p> private function completeHandle(event:Event):void<br /> {<br /> n++;<br /> if (n < fileArray.length)<br /> {<br /> var request:URLRequest=new URLRequest(targetUrl);<br /> FileReference((fileArray.getItemAt(n) as FileUpdataModel).file).upload(request);<br /> tip.text="正在上传：" + FileReference((fileArray.getItemAt(n) as FileUpdataModel).file).name;<br /> }<br /> else<br /> {<br /> tip.text="全部上传完成";<br /> n=0;<br /> }<br /> }<br /> ]]--><br /> </mx:Script><br /> <mx:VBox id="vBox"<br /> width="100%"<br /> height="100%"><br /> <mx:HBox><br /> <mx:Button id="browseButton"<br /> label="浏览"<br /> click="browseFile()"/><br /> <mx:Button id="upLoadButton"<br /> label="上传"<br /> click="proceedWithUpload()"/><br /> <mx:Button id="cleanButton"<br /> label="清理记录"<br /> click="cleanUpload()"/><br /> <mx:VBox><br /> <mx:Label id="tip"<br /> text="上传文件"<br /> height="20"/><br /> <mx:HRule width="{this.width-40-browseButton.width-upLoadButton.width-cleanButton.width}"/><br /> </mx:VBox><br /> </mx:HBox><br /> <mx:VBox id="cVBox"<br /> width="98%"<br /> height="98%"/><br /> </mx:VBox><br /> </BaseSimpleCanvas><br />

web.xml

<!-- For file uploaded --><br /> <servlet><br /> <servlet-name>FileUploaded</servlet-name><br /> <servlet-class>com.shine.framework.flexUpload.FileUploaded</servlet-class><br /> </servlet></p> <p> <servlet-mapping><br /> <servlet-name>FileUploaded</servlet-name><br /> <url-pattern>/FileUploaded</url-pattern><br /> </servlet-mapping>