fileUpload 上传下载demo

1、 FILEUPLOAD1. fileUpload 是apache下的commons下的。下载地址是/fileupload/；2. 需要用到的jar包：3. 源代码1. web.xml fileupload index.html index.htm index.jsp default.html default.htm default.jsp 文件上传 upload upload com.fei.Upload upload /upload 2. index.jspInsert title here3. Upload.java这里就是一个简单的Serv

2、letpackage com.fei;import java.io.File;import java.io.IOException;import java.util.List;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import mons.fileupload.FileItem

3、;import mons.fileupload.FileItemFactory;import mons.fileupload.FileUploadException;import mons.fileupload.disk.DiskFileItemFactory;import mons.fileupload.servlet.ServletFileUpload;/* * Servlet implementation class Upload */public class Upload e

4、xtends HttpServlet private static final long serialVersionUID = 1L; /* * see HttpServlet#HttpServlet() */ public Upload() super(); /* * see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */protected void doGet(HttpServletRequest request, HttpServletResponse response) thr

5、ows ServletException, IOException doPost(request, response);/* * see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException System.out.println(request.getParam

6、eter(file1);System.out.println(request.getParameter(name);/问号传参，传过来的文件名String name = request.getParameter(name);FileItemFactory factory = new DiskFileItemFactory();ServletFileUpload file = new ServletFileUpload(factory); try /获取多个上传的文件List fileItems = file.parseRequest(request);for (Object object : fileItems) FileItem tmp = (FileItem) object;System.out.println(tmp.getName();System.out.println(tmp.getString();/文件名String fileName = tmp.getName().substring(tmp.getName().lastIndexOf()+1);File tfile = new File(F:+name+.xls);System.out.println(tfile.toString();t