package com.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.servlet.ServletConfig;
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.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.jivesoftware.openfire.plugin.db.DbManager;

/******************************************************************??
**?? 文 件 名:?? Up.java
**?? Copyright?? (c)?? 2007-2011? dhdu@qq.com??
**?? 创 建 人:?? dhdu@qq.com
**?? 日??? 期:?? 2011-05-04
**?? 修 改 人:??
**?? 日??? 期:??
**?? 描??? 述:?? upload??Servlet
**?? ???jsp page <form action="u" method="post"? enctype="multipart/form-data" >
**?? 版??? 本:??
**??
**? ==============================================================
**
**?? 修改记录
**
**?? 版本号??? 修改编号??? 修改者?????? 修改日期?????? 修改说明
**?? ======?? ======== ?? ========???? ==========??? ===========
**?? 0001??
**?? 0002?????
**
********************************************************************/
public class Up extends HttpServlet {
?private static final long serialVersionUID = 1L;

?public void init(ServletConfig config) throws ServletException {
??super.init(config);
?}

?public void destroy() {
??super.destroy();
?}

?private void up(HttpServletRequest request, HttpServletResponse response)
???throws ServletException, IOException {
??response.setContentType("text/html;charset=UTF-8");
??PrintWriter out = response.getWriter();
??String p = "", filename = null;
??Map map = new HashMap();
??byte[] bytes = null;
??try {

???// 文件大小限制10M
???int maxPostSize = 10 * 1024 * 1024;
???// 文件工厂类
???DiskFileItemFactory factory = new DiskFileItemFactory();
???// factory.setSizeThreshold(4096);
???ServletFileUpload upload = new ServletFileUpload(factory);
???// upload.setHeaderEncoding("UTF-8");
???// upload.setSizeMax(maxPostSize);
???List fileItems = upload.parseRequest(request);
???if (fileItems != null && fileItems.size() > 0) {
????Iterator iter = fileItems.iterator();
????while (iter.hasNext()) {
?????FileItem item = (FileItem) iter.next();
?????if (item.isFormField()) {
??????if (!"submit".equals(item.getFieldName())) {
???????p = item.getString("UTF-8");
???????System.out.println(item.getFieldName() + " :" + p);

???????map.put(item.getFieldName(), p);
??????}
?????} else {

??????bytes = item.get();
??????if (bytes.length > 0) {
???????filename = item.getName();
???????System.out.println(filename);
???????// item.write(new File("d:/"+filename));
??????}
?????}
????}
???}
???if (bytes != null && bytes.length > 0)
????DbManager.getInstance().saveFile(bytes, filename, map);

???out.write("ok!!!" + p);

??} catch (Exception e) {
???e.printStackTrace();
???out.write("Exception!!!");
??} finally {

??}

?}

?protected void doGet(HttpServletRequest req, HttpServletResponse resp)
???throws ServletException, IOException {
??doPost(req, resp);
?}

?protected void doPost(HttpServletRequest req, HttpServletResponse resp)
???throws ServletException, IOException {
??req.setCharacterEncoding("UTF-8");
??up(req, resp);
?}

?

?/*

? * ------这个是后台用jsp实现

? *
? * <% DiskFileItemFactory factory = new DiskFileItemFactory();
? * ServletFileUpload upload = new ServletFileUpload(factory); try {List
? * items = upload.parseRequest(request);Iterator i