前端上传文件后端到服务器,前端js上传文件 到后端接收文件

下面是前端js代码：

File upload

enctype="multipart/form-data">

File:

下面是后端的java代码：

package com.zj.sample;

import java.io.File;

import java.io.IOException;

import java.util.Iterator;

import java.util.List;

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 org.apache.commons.fileupload.FileItem;

import org.apache.commons.fileupload.disk.DiskFileItemFactory;

import org.apache.commons.fileupload.servlet.ServletFileUpload;

/**

* Servlet implementation class Upload

*/

@WebServlet("/Upload")

public class Upload extends HttpServlet {

private static final long serialVersionUID = 1L;

private String uploadPath = "D:\\temp"; // 上传文件的目录

private String tempPath = "d:\\temp\\buffer\\"; // 临时文件目录

File tempPathFile;

/**

* @see HttpServlet#HttpServlet()

*/

public Upload() {