struts1 文件上传 文件下载

/* * Generated by MyEclipse Struts * Template path: templates/java/JavaClass.vtl */ package com.li.action; import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; import org.apache.struts.actions.DispatchAction; import org.apache.struts.upload.FormFile; import com.li.form.UploadForm; public class UploadAction extends DispatchAction { @SuppressWarnings("unchecked") ArrayList list = new ArrayList(); public ActionForward fileDown(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { /*InputStream bis=null; OutputStream bos=null; String fileName = new String(request.getParameter("filename").getBytes( "ISO-8859-1"), "GB2312"); String path="D:\\files\\"+fileName; response.reset(); response.setContentType("application/x-msdownload"); response.addHeader("Content-Disposition", "attachment;filename=\"" + new String(fileName.getBytes("GB2312"), "ISO-8859-1") + "\""); try { bis = new BufferedInputStream(new FileInputStream(path)); bos = new BufferedOutputStream(response.getOutputStream()); byte[] buff = new byte[20480]; while ((bis.read(buff, 0, buff.length)) != -1) { bos.write(buff, 0, buff.length); } bos.flush(); } catch (Exception e) { e.printStackTrace(); } finally { bos.close(); bis.close(); } */ String fileName = new String(request.getParameter("filename").getBytes("ISO-8859-1"), "GB2312"); System.out.println(fileName); String path="D:\\files\\"+fileName; try { // path是指欲下载的文件的路径。 File file = new File(path); // 以流的形式下载文件。 InputStream fis = new BufferedInputStream(new FileInputStream(path)); byte[] buffer = new byte[fis.available()]; fis.read(buffer); fis.close(); // 清空response response.reset(); // 设置response的Header response.setContentType("application/x-msdownload"); response.addHeader("Content-Disposition", "attachment;filename=\"" + new String(fileName.getBytes("uft-8"), "ISO-8859-1") + "\""); OutputStream toClient = new BufferedOutputStream(response.getOutputStream()); toClient.write(buffer); toClient.flush(); toClient.close(); } catch (IOException ex) { ex.printStackTrace(); } return null; } @SuppressWarnings("static-access") public ActionForward fileUpLoad(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { UploadForm uploadForm = (UploadForm) form; FormFile fFile = uploadForm.getMyFile(); String fileType=fFile.getContentType(); int fileSize=fFile.getFileSize(); System.out.println("文件类型"+fileType); System.out.println("文件大小"+fileSize); FileOutputStream fos=null; try { byte[] data=fFile.getFileData(); String fileName=fFile.getFileName(); int a=fileName.lastIndexOf("."); String st = fileName.substring(a); String newFileName = System.currentTimeMillis() + st; //修改上传文件的名称 System.out.println("文件名称"+newFileName); /*ServletContext application =this.getServlet().getServletContext(); //保存到tomcat目录下 String realPath = application.getRealPath("/FILES/");*/ this.isNewFile(); //判断文件夹是否存在 String realPath = "D:\\files\\"; fos = new FileOutputStream(realPath + newFileName); fos.write(data); } catch (Exception e) { e.printStackTrace(); } finally { try { fos.close(); } catch (IOException e) { e.printStackTrace(); } } list = showAllFiles(); //查找文件夹下的文件 request.setAttribute("list",list); return mapping.findForward("SHOW"); } @SuppressWarnings({ "unchecked", "static-access" }) public ActionForward moreFileUpLoad(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { UploadForm uploadForm = (UploadForm) form; ArrayList myFlies = uploadForm.getMyFiles(); FileOutputStream fos=null; this.isNewFile(); //判断文件夹是否存在 for(int i=0;i<myFlies.size();i++) { try { //System.out.println(phones.get(i)); FormFile ff = (FormFile)myFlies.get(i); byte[] data=ff.getFileData(); String fileName=ff.getFileName(); /*int a=fileName.lastIndexOf("."); String st = fileName.substring(a); String newFileName = System.currentTimeMillis() + st;*/ System.out.println("文件名称"+fileName); /*ServletContext application =this.getServlet().getServletContext(); String realPath = application.getRealPath("/FILES/");*/ String realPath = "D:\\files\\"; //fos = new FileOutputStream(realPath + "/" + fileName); fos = new FileOutputStream(realPath + fileName); fos.write(data); } catch (Exception e) { e.printStackTrace(); } finally { try { fos.close(); } catch (IOException e) { e.printStackTrace(); } } } list = showAllFiles(); request.setAttribute("list",list); return mapping.findForward("SHOW"); } public static void isNewFile() throws IOException { File f = new File("D:\\files\\"); boolean b = f.exists(); if (b == false) { f.mkdir(); } else { System.out.println("文件夹已存在"); } } @SuppressWarnings("unchecked") public static ArrayList showAllFiles() throws Exception { File root = new File("D:\\files\\"); ArrayList aList = new ArrayList(); File[] fs = root.listFiles(); for(int i=0; i<fs.length; i++) { aList.add(fs[i].getName()); } /*for(int j=0;j<aList.size();j++) { System.out.println(aList.get(j)); }*/ return aList; } public static void main(String[] args) throws Exception { System.out.println(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date())); //showAllFiles(); } }