Springmvc Upload File Progress display

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Fileuploadcontroller.java

Import Java.io.file;import java.util.List;  Import Javax.servlet.http.HttpServletRequest;  Import Javax.servlet.http.HttpServletResponse;    Import javax.servlet.http.HttpSession;  Import Org.apache.commons.fileupload.fileitem;import org.apache.commons.fileupload.FileItemFactory;  Import Org.apache.commons.fileupload.ProgressListener;  Import Org.apache.commons.fileupload.disk.DiskFileItemFactory;  Import Org.apache.commons.fileupload.servlet.ServletFileUpload;  Import Org.apache.log4j.Logger;  Import Org.springframework.stereotype.Controller;  Import org.springframework.web.bind.annotation.RequestMapping;  Import Org.springframework.web.bind.annotation.RequestMethod;  Import Org.springframework.web.bind.annotation.ResponseBody;    Import Org.springframework.web.servlet.ModelAndView;            @Controller public class Fileuploadcontroller {Logger log = Logger.getlogger (Fileuploadcontroller.class); @RequestMapping (value = "/touploadfile", method = Requestmethod.get) public Modelandview Toupload (httpservletrequest request, httpservletresponse response) throws Exception{return new        Modelandview ("Upload2");      }/** * Upload upload file * @param request * @param response * @return * @throws Exception */ @RequestMapping (value = "/uploadfile2", method = requestmethod.post) public Modelandview upload (httpservletreque St request, httpservletresponse Response) throws Exception {final HttpSession hs = Request.getsessi          On ();        Modelandview mv = new Modelandview ();          Boolean ismultipart = servletfileupload.ismultipartcontent (request);          if (!ismultipart) {return MV;            }//Create a factory for disk-based file items Fileitemfactory factory = new Diskfileitemfactory ();          Create a new file upload handler servletfileupload upload = new Servletfileupload (factory); Upload.setprogresslistener (New Progresslistener ({public void update (long pbytesread, long pcontentlength, int pitems) {ProcessInfo                     pri = new ProcessInfo ();                     Pri.itemnum = Pitems;                     Pri.readsize = Pbytesread;                     Pri.totalsize = Pcontentlength;                     Pri.show = pbytesread+ "/" +pcontentlength+ "byte";                     Pri.rate = Math.Round (new float (pbytesread)/new float (pcontentlength) *100);                 Hs.setattribute ("Proinfo", PRI);          }              });        list<fileitem> items = upload.parserequest (request);        String path = Request.getsession (). Getservletcontext (). Getrealpath ("Upload");        SYSTEM.OUT.PRINTLN (path); for (Fileitem item:items) {if (Item.isformfield ()) {}else{system.out.println (path + "/" + item.getfieldname ()); File TargetFile = new file (path + "/" + Item.getname ()), if (!targetfile.exists ()) {targetfile.createnewfile ();}        Item.write (TargetFile);}} System.out.prinTLN ("Number of uploaded files:" + items.size ());    return MV; }/** * Process get progress * @param request * @param response * @return * @throws exce Ption */@RequestMapping (value = "/process", method = Requestmethod.get) @ResponseBody public Object p Rocess (HttpServletRequest request, httpservletresponse response) throws Exception {return (Process      Info) request.getsession (). getattribute ("Proinfo");          } class processinfo{public long totalsize = 1;          public long readsize = 0;          Public String show = "";          public int itemnum = 0;      public int rate = 0;   }        }

upload.jsp

<! DOCTYPE html><%@ page contenttype= "Text/html;charset=utf-8"%> <%@ taglib prefix= "C" uri= "/HTTP/ Java.sun.com/jsp/jstl/core "%> 

Springmvc Upload File Progress display