SWFupload+servlet 实现多图片上传

SWFupload实现多文件上传，效果图如qq文件上传那样

package com.sh.common;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Iterator;
import java.util.List;
import java.util.UUID;

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.FileItemFactory;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

import com.sun.org.apache.xml.internal.security.exceptions.base64DecodingException;
import com.sun.org.apache.xml.internal.security.utils.base64;


public class FileUploadServlet extends HttpServlet {

	private static final int UPLOAD_SUCCSSS=0;    // “上传文件成功！“ 
	private static final int UPLOAD_FAILURE=1;    // “上传文件失败！“） 
	private static final int UPLOAD_TYPE_ERROR=2; // “上传文件类型错误！“） 
	private static final int UPLOAD_OVERSIZE=3;   // “上传文件过大！“）
	private static final int UPLOAD_ZEROSIZE=4;   // “上传文件为空！“）
	private static final int UPLOAD_NOTFOUND=5;   // “上传文件路径错误！“）

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

		doPost（requestresponse）;
	}

	public void doPost（HttpServletRequest request HttpServletResponse response）
			throws ServletException IOException {
		
		response.setContentType（“text/html; charset=UTF-8“）;
		
		PrintWriter out=response.getWriter（）;
		 String rootPath = request.getParameter（“rootPath“）;  
	
		 String param = request.getParameter（“param“）;
		 
		 if（rootPath == null） rootPath = ““;  
		    rootPath = rootPath.trim（）;  
		 if（rootPath.equals（““））{  
			 rootPath = this.getServletContext（）.getRealPath（““）;  
		 }  
		
		 //上传操作  
		  FileItemFactory factory = new DiskFileItemFactory（）;  
		  ServletFileUpload upload = new ServletFileUpload（factory）;  
		  upload.setHeaderEncoding（“UTF-8“）;  
		  try{  
		      List items = upload.parseRequest（request）;  
		      if（null != items）{  
		          Iterator itr = items.iterator（）;  
		          while（itr.hasNext（））{  
		              FileItem item = （FileItem）itr.next（）;
		              if（item.isFormField（））{  
		                 continue;  
		              }else{  
		                   //以当前精确到秒的日期为上传的文件的文件名  
		                  SimpleDateFormat sdf=new SimpleDateFormat（“yyyyMMddkkmmss“）; 
		                  String path=“/files“;
		                  File savedFile = new File（rootPath+pathitem.getName（））;  
		                  item.write（savedFile）; 
		                  
		                  out.print（“{status:“+this.UPLOAD_SUCCSSS+“message:‘“+path+“/“+item.getName（）+“‘}“）;
		              }  
		          }  
		      }  
		  }catch（Exception e）{  
		      e.printStackTrace（）;  
		  }
			
	}

	 /** 
     * ne

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2012-12-26 18:58  swfupload\
     文件         529  2012-12-13 15:49  swfupload\.classpath
     目录           0  2012-12-27 14:07  swfupload\.myeclipse\
     文件         300  2012-12-24 19:20  swfupload\.mymetadata
     文件        1752  2012-12-13 17:54  swfupload\.project
     目录           0  2012-12-13 15:49  swfupload\.settings\
     文件         500  2012-12-13 15:49  swfupload\.settings\.jsdtscope
     文件         364  2012-12-13 15:49  swfupload\.settings\org.eclipse.jdt.core.prefs
     文件         465  2012-12-13 15:49  swfupload\.settings\org.eclipse.wst.common.component
     文件         252  2012-12-13 15:49  swfupload\.settings\org.eclipse.wst.common.project.facet.core.xml
     文件          49  2012-12-13 15:49  swfupload\.settings\org.eclipse.wst.jsdt.ui.superType.container
     文件           6  2012-12-13 15:49  swfupload\.settings\org.eclipse.wst.jsdt.ui.superType.name
     目录           0  2012-12-26 16:06  swfupload\WebRoot\
     目录           0  2012-12-13 15:49  swfupload\WebRoot\meta-INF\
     文件          36  2012-12-13 15:49  swfupload\WebRoot\meta-INF\MANIFEST.MF
     目录           0  2012-12-13 15:49  swfupload\WebRoot\WEB-INF\
     目录           0  2012-12-26 21:18  swfupload\WebRoot\WEB-INF\classes\
     目录           0  2012-12-26 21:18  swfupload\WebRoot\WEB-INF\classes\com\
     目录           0  2012-12-26 21:18  swfupload\WebRoot\WEB-INF\classes\com\sh\
     目录           0  2012-12-26 21:18  swfupload\WebRoot\WEB-INF\classes\com\sh\common\
     文件        3978  2012-12-26 21:18  swfupload\WebRoot\WEB-INF\classes\com\sh\common\FileUploadServlet.class
     目录           0  2012-12-13 15:50  swfupload\WebRoot\WEB-INF\lib\
     文件       53082  2012-12-13 15:50  swfupload\WebRoot\WEB-INF\lib\commons-fileupload-1.2.jar
     文件       87776  2012-12-13 15:50  swfupload\WebRoot\WEB-INF\lib\commons-io-1.3.2.jar
     文件        1088  2012-12-21 14:18  swfupload\WebRoot\WEB-INF\web.xml
     目录           0  2012-12-26 21:37  swfupload\WebRoot\css\
     文件        4201  2012-12-27 00:20  swfupload\WebRoot\css\swfupload-default.css
     目录           0  2012-12-27 14:07  swfupload\WebRoot\files\
     目录           0  2012-12-26 16:29  swfupload\WebRoot\images\
     文件         788  2012-12-23 10:36  swfupload\WebRoot\images\background.png
     文件        8299  2012-12-23 10:36  swfupload\WebRoot\images\default.png
............此处省略14个文件信息