jquery.uploadify-v2.1.4上传文件完整例子

      package com.wxh.jQyery;

import java.io.File;
import java.io.IOException;
import java.text.DecimalFormat;
import java.util.Calendar;
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.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

/**
 * jQuery uploadify 实现文件上传
 * 
 * @author wang_xh
 * 
 * SoftWare Group 58156559
 * 
 * 技术交流QQ群，欢迎大家加入
 * 
 */
public class JQUploayify extends HttpServlet {

	/**
	 * 
	 */
	private static final long serialVersionUID = 7942326848801679254L;

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doPost(request, response);
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		response.setContentType("text/html");
		response.setCharacterEncoding("UTF-8");
		// 得到项目路径
		String path = this.getServletContext().getRealPath("/");
		String fileD = request.getParameter("folder");
		path = path + fileD + "/";
		File file = new File(path);
		if (!file.exists()) {
			file.mkdirs();
		}

		ServletFileUpload sfu = new ServletFileUpload(new DiskFileItemFactory());
		sfu.setHeaderEncoding("UFT-8");
		try {
			List fileList = sfu.parseRequest(request);
			String name = "";
			String extName = "";
			for (int i = 0; i < fileList.size(); i++) {
				FileItem fi = (FileItem) fileList.get(i);
				if (!fi.isFormField()) {
					name = fi.getName();
					if (name == null || "".equals(name.trim())) {
						continue;
					}
					if (name.lastIndexOf(".") >= 0) {
						extName = name.substring(name.lastIndexOf("."));
					}

					Calendar ca = Calendar.getInstance();
					DecimalFormat df = new DecimalFormat();
					df.setMinimumIntegerDigits(2);
					String st = "650000";
					if (st != null && st.length() > 6) {
						st = st.substring(0, 6);
					}
					String dateTime = ca.get(Calendar.YEAR) + ""
							+ df.format(ca.get(Calendar.MONDAY)) + ""
							+ df.format(ca.get(Calendar.DATE)) + ""
							+ df.format(ca.get(Calendar.HOUR)) + ""
							+ df.format(ca.get(Calendar.MINUTE)) + ""
							+ df.format(ca.get(Calendar.SECOND));

					String fileName = st + "_SBGL_" + dateTime + extName;

					File saveFile = new File(path + fileName);
					fi.write(saveFile);
					System.out.println(fileName + " 文件上传成功！");
				}
			}
			response.getWriter().println("1");
		} catch (FileUploadException e) {
			response.getWriter().println("0");
			e.printStackTrace();
		} catch (Exception e) {
			response.getWriter().println("0");
			e.printStackTrace();
		}
	}
}