$("#uplodefile").uploadify({

                'swf': '/statics/uploadify/uploadify.swf',

                'uploader': '/contacts/method11',

                'buttonText': '选择文件',

                'height': 20,

                'width': 80,

                'fileTypeDesc': 'Excel 工作表',

                'fileTypeExts': '*.xls;*.xlsx',

                ////'formData': { 'Action': 'UploadTopUpRecordsList' },

                ////选择文件后自动上传

                'auto': false,

                ////设置为true将允许多文件上传

                'multi': false,

                'sizeLimit': '2048000', //最大允许的文件大小为2M

                'displayData': 'speed', //进度条的显示方式

                //'queueID': 'fileQueue',

                'onUploadSuccess': funComplete //完成上传任务

            });

<table style="margin: 0 auto;">

        <tr>

            <td style="position: relative;">

                <input id="uplodefile" name="uplodefile" class="uploadify" type="file" />

            </td>

            <td>

                <a href="javascript:$('#uplodefile').uploadify('upload')" class="easyui-linkbutton" >上传</a>&nbsp;&nbsp;

                <a href="javascript:$('#uplodefile').uploadify('cancel')" class="easyui-linkbutton" >取消上传</a>

            </td>

        </tr>

    </table>

package com.huanshare.service;

import org.springframework.util.FileCopyUtils;

import org.springframework.web.multipart.MultipartFile;

import org.springframework.web.multipart.MultipartHttpServletRequest;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import java.io.File;

import java.io.IOException;

import java.text.SimpleDateFormat;

import java.util.*;

/**

 * Created by huan.liu on 2015/12/17.

 */

@SuppressWarnings("serial")

public class Upload extends HttpServlet {

    @SuppressWarnings("unchecked")

    public void doPost(HttpServletRequest request, HttpServletResponse response)

            throws ServletException, IOException {

        MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;

        MultipartFile multipartFile = multipartRequest.getFile("Filedata");

        String fileName = multipartFile.getOriginalFilename();

        byte[] bytes = multipartFile.getBytes();

        String path=request.getSession().getServletContext().getRealPath("/");

        path = path + "/uploads/";

       // String savePath = "/servlet/Upload";

        File f1 = new File(path);

        System.out.println(path);

        if (!f1.exists()) {

            f1.mkdirs();

        }

        String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase();

        SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss");

        String newFileName = df.format(new Date()) + "_" + new Random().nextInt(1000) + "." + fileExt;

        File f2 = new File(path+newFileName);

        FileCopyUtils.copy(bytes, f2);

    }

}