Jsp+servlet implementation of multiple file upload __js

JSP Code <%@ page language= "java" import= "java.util.*" pageencoding= "UTF-8"%> <%@ taglib "uri=" http:// Java.sun.com/jsp/jstl/core "prefix=" C "%> <%@ taglib uri=" http://java.sun.com/jsp/jstl/functions "prefix=" FN "% > <%@ taglib uri= "http://java.sun.com/jsp/jstl/fmt" prefix= "FMT"%> <fmt:setbundle basename= "Csdn"/> & lt;! DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" >  









Java code, Web.xml is registered in the/uplodes.action package servlet;
Import Java.io.File;
Import Java.io.FileOutputStream;
Import java.io.IOException;
Import Java.io.InputStream;

Import java.util.List;
Import javax.servlet.ServletException;
Import Javax.servlet.http.HttpServlet;
Import Javax.servlet.http.HttpServletRequest;

Import Javax.servlet.http.HttpServletResponse;
Import Org.apache.commons.fileupload.FileItem;
Import org.apache.commons.fileupload.FileUploadException;
Import Org.apache.commons.fileupload.UploadContext;
Import Org.apache.commons.fileupload.disk.DiskFileItemFactory;

Import Org.apache.commons.fileupload.servlet.ServletFileUpload;
	public class Uplodesservlet extends HttpServlet {private int maxfilesize = 1024 * 1024 * 10;

	Defines the path to the file private String path = "d:\\";

	Private String FileType = "";  public void doget (HttpServletRequest request, httpservletresponse response) throws Servletexception, IOException {//

		Resolve files in Chinese garbled request.setcharacterencoding ("UTF-8"); CreateDisk File factory Processing object Diskfileitemfactory diskfileitemfactory = new Diskfileitemfactory ();
		Create server File Upload Processing object servletfileupload servletfileupload = new Servletfileupload (diskfileitemfactory);
			* *//Set file maximum upload size Servletfileupload.setfilesizemax (maxfilesize);//10M/try {//Resolve fields and requests in request requests

			list<fileitem> Fileitems = servletfileupload.parserequest (request); Iterate through the parsed list for (Fileitem fileitem:fileitems) {//judge whether the parsed is a plain text field if (Fileitem.isformfield ()) {/
					/Get field name String Filedname = Fileitem.getname ();

					Gets the value of the field name String Filedvalue = fileitem.getstring ("UTF-8");
				Output text box content System.out.println (filedname + "==================" + filedvalue); else {//Determine if the resource file size is legitimate if (fileitem.getsize () <= maxfilesize) {//Get field name String fileName = File

						Item.getname ();
						Troubleshoot file path problems with different browsers/IE or the other is this path C:\Users\chenhongjun\Desktop\tag_1388040641790.txt//Firefox only filenameD:\ Video \day52\ Videos 12.avi if (!filename.equals ("")) {//Get upload file type System.out.println (fileitem.getconte
							Nttype ()); Determines whether the specified type file if (Fileitem.getcontenttype (). Equals ("Image/jpeg")) {//whether to include "\" int index = File
								Name.lastindexof ("\");
								if (index!=-1) {fileName = filename.substring (index + 1);

								//Specifies the path to the file store filename = new file (path, newfilename);

								Create output stream FileOutputStream fos = new FileOutputStream (file);

								Gets the input stream InputStream is = Fileitem.getinputstream () that is parsed in the request;
								Create buffer area byte[] buffer = new byte[1024];
								int len = 0;
								while (len = (is.read (buffer))!=-1) {//write out the contents of the buffer fos.write (buffer, 0, Len);
								} fos.flush ();
								Fos.close ();

								Is.close ();

								Delete temporary files fileitem.delete ();
							SYSTEM.OUT.PRINTLN ("Success");
		} else {						System.out.println ("Please upload the specified file type");
						} else {System.out.println ("Please select File to upload");
					} else {System.out.println ("file too large, exceeding" + maxfilesize);
		catch (Fileuploadexception e) {//TODO auto-generated catch block E.printstacktrace (); } public void DoPost (HttpServletRequest request, httpservletresponse response) throws Servletexception, Ioexcepti
	On {this.doget (request, response); The handling of//filename is public string newfilename (string oldfilename) {//Get Last "."
		The position that appears is subscript int index = Oldfilename.lastindexof ("."); Intercept the last "."
		Previous content String Frontstr = oldfilename.substring (0, index); Get the last "."
		After the content String behindstr = oldfilename.substring (index);

		Re-stitching file name String NewFileName = frontstr + system.currenttimemillis () + "_" + behindstr;
	return newfilename;
 }

}